use axum::{
    Router, middleware,
    routing::{delete, get, post},
};

use crate::{
    auth::{require_session, require_workspace_session},
    routes::{
        access::{
            create_invitation, create_platform_api_key, delete_invitation, delete_platform_api_key,
            list_invitations, list_memberships, list_platform_api_keys, revoke_platform_api_key,
        },
        agents::{
            create_agent, delete_agent, get_agent, get_agent_version, list_agents, publish_agent,
            save_agent_bindings, update_agent,
        },
        auth::{get_session, login, logout},
        auth_profiles::{create_auth_profile, get_auth_profile, list_auth_profiles},
        observability::{get_agent_usage, get_log, get_operation_usage, get_usage, list_logs},
        operations::{
            archive_operation, create_operation, create_version, delete_operation,
            export_operation, generate_draft, get_operation, get_operation_version,
            list_grpc_services, list_operations, publish_operation, run_test, update_operation,
            upload_descriptor_set, upload_input_json, upload_output_json, upload_proto_descriptor,
        },
        workspaces::{create_workspace, get_workspace, list_workspaces, update_workspace},
    },
    state::AppState,
};

pub fn build_app(state: AppState) -> Router {
    let workspace_router = Router::new()
        .route("/operations", get(list_operations).post(create_operation))
        .route("/operations/import", post(import_operation))
        .route(
            "/operations/{operation_id}",
            get(get_operation)
                .patch(update_operation)
                .delete(delete_operation),
        )
        .route("/operations/{operation_id}/versions", post(create_version))
        .route(
            "/operations/{operation_id}/versions/{version}",
            get(get_operation_version),
        )
        .route(
            "/operations/{operation_id}/publish",
            post(publish_operation),
        )
        .route(
            "/operations/{operation_id}/archive",
            post(archive_operation),
        )
        .route("/operations/{operation_id}/test-runs", post(run_test))
        .route(
            "/operations/{operation_id}/samples/input-json",
            post(upload_input_json),
        )
        .route(
            "/operations/{operation_id}/samples/output-json",
            post(upload_output_json),
        )
        .route(
            "/operations/{operation_id}/descriptors/proto",
            post(upload_proto_descriptor),
        )
        .route(
            "/operations/{operation_id}/descriptors/descriptor-set",
            post(upload_descriptor_set),
        )
        .route(
            "/operations/{operation_id}/grpc/services",
            get(list_grpc_services),
        )
        .route(
            "/operations/{operation_id}/drafts/generate",
            post(generate_draft),
        )
        .route("/operations/{operation_id}/export", get(export_operation))
        .route("/agents", get(list_agents).post(create_agent))
        .route(
            "/agents/{agent_id}",
            get(get_agent).patch(update_agent).delete(delete_agent),
        )
        .route(
            "/agents/{agent_id}/versions/{version}",
            get(get_agent_version),
        )
        .route("/agents/{agent_id}/bindings", post(save_agent_bindings))
        .route("/agents/{agent_id}/publish", post(publish_agent))
        .route(
            "/auth-profiles",
            get(list_auth_profiles).post(create_auth_profile),
        )
        .route("/auth-profiles/{auth_profile_id}", get(get_auth_profile))
        .route("/members", get(list_memberships))
        .route(
            "/invitations",
            get(list_invitations).post(create_invitation),
        )
        .route("/invitations/{invitation_id}", delete(delete_invitation))
        .route(
            "/platform-api-keys",
            get(list_platform_api_keys).post(create_platform_api_key),
        )
        .route(
            "/platform-api-keys/{key_id}/revoke",
            post(revoke_platform_api_key),
        )
        .route(
            "/platform-api-keys/{key_id}",
            delete(delete_platform_api_key),
        )
        .route("/logs", get(list_logs))
        .route("/logs/{log_id}", get(get_log))
        .route("/usage", get(get_usage))
        .route("/usage/operations/{operation_id}", get(get_operation_usage))
        .route("/usage/agents/{agent_id}", get(get_agent_usage));

    let workspace_root_router = Router::new()
        .route("/workspaces", get(list_workspaces).post(create_workspace))
        .layer(middleware::from_fn_with_state(
            state.clone(),
            require_session,
        ));

    let workspace_scoped_router = Router::new()
        .route(
            "/workspaces/{workspace_id}",
            get(get_workspace).patch(update_workspace),
        )
        .nest("/workspaces/{workspace_id}", workspace_router)
        .layer(middleware::from_fn_with_state(
            state.clone(),
            require_workspace_session,
        ));

    let admin_router = workspace_root_router.merge(workspace_scoped_router);

    Router::new()
        .route("/health", get(crate::routes::health))
        .nest(
            "/api/auth",
            Router::new()
                .route("/login", post(login))
                .route("/logout", post(logout))
                .route("/session", get(get_session)),
        )
        .nest("/api/admin", admin_router)
        .with_state(state)
}

use crate::routes::operations::import_operation;

#[cfg(test)]
mod tests {
    use std::{
        collections::BTreeMap,
        env, fmt,
        time::{SystemTime, UNIX_EPOCH},
    };

    use axum::{Json, Router, routing::post};
    use crank_adapter_grpc::test_support as grpc_test_support;
    use crank_core::{
        DescriptorId, ExecutionConfig, GraphqlOperationType, GraphqlTarget, GrpcTarget, HttpMethod,
        MembershipRole, Protocol, RestTarget, Target, ToolDescription, WorkspaceId,
    };
    use crank_mapping::{MappingRule, MappingSet};
    use crank_registry::PostgresRegistry;
    use crank_schema::{Schema, SchemaKind};
    use serde_json::{Value, json};
    use serial_test::serial;
    use sqlx::{Connection, Executor, PgConnection};
    use tokio::net::TcpListener;

    use crate::{
        app::build_app,
        auth::{AuthSettings, BootstrapAdminConfig, hash_password},
        service::{AdminService, OperationPayload},
        state::AppState,
    };

    const DEFAULT_WORKSPACE_ID: &str = "ws_default";
    const TEST_AUTH_EMAIL: &str = "owner@crank.local";
    const TEST_AUTH_PASSWORD: &str = "test-password";
    const TEST_PASSWORD_PEPPER: &str = "test-password-pepper";
    const TEST_SESSION_SECRET: &str = "test-session-secret";

    struct TestServer {
        base_url: String,
        shutdown: Option<tokio::sync::oneshot::Sender<()>>,
        handle: Option<tokio::task::JoinHandle<()>>,
    }

    impl Drop for TestServer {
        fn drop(&mut self) {
            let shutdown = self.shutdown.take();
            let handle = self.handle.take();

            tokio::task::block_in_place(|| {
                if let Some(shutdown) = shutdown {
                    let _ = shutdown.send(());
                }
                if let Some(handle) = handle {
                    let _ = tokio::runtime::Handle::current().block_on(handle);
                }
            });
        }
    }

    impl fmt::Display for TestServer {
        fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
            formatter.write_str(&self.base_url)
        }
    }

    impl AsRef<str> for TestServer {
        fn as_ref(&self) -> &str {
            &self.base_url
        }
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn creates_publishes_and_tests_rest_operation() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("lifecycle");
        let upstream_base_url = spawn_upstream_server().await;
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let created = client
            .post(format!("{base_url}/operations"))
            .json(&test_operation_payload(
                &upstream_base_url,
                "crm_create_lead",
            ))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let operation_id = created["operation_id"].as_str().unwrap().to_owned();

        let listed = client
            .get(format!("{base_url}/operations"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let published = client
            .post(format!("{base_url}/operations/{operation_id}/publish"))
            .json(&json!({ "version": 1 }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let test_run = client
            .post(format!("{base_url}/operations/{operation_id}/test-runs"))
            .json(&json!({
                "version": 1,
                "input": { "email": "user@example.com" }
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();

        assert_eq!(listed["items"][0]["name"], "crm_create_lead");
        assert_eq!(
            listed["items"][0]["target_url"],
            format!("{upstream_base_url}/crm/leads")
        );
        assert_eq!(listed["items"][0]["target_action"], "POST");
        assert_eq!(published["published_version"], 1);
        assert_eq!(test_run["ok"], true);
        assert_eq!(
            test_run["request_preview"]["body"]["email"],
            "user@example.com"
        );
        assert_eq!(test_run["response_preview"]["id"], "lead_123");
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn updates_archives_and_deletes_operation() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("operation_mutations");
        let upstream_base_url = spawn_upstream_server().await;
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let created = client
            .post(format!("{base_url}/operations"))
            .json(&test_operation_payload(
                &upstream_base_url,
                "crm_mutable_operation",
            ))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let operation_id = created["operation_id"].as_str().unwrap().to_owned();

        let listed = client
            .get(format!("{base_url}/operations"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        assert_eq!(listed["total"], 1);
        assert_eq!(listed["items"][0]["category"], "sales");
        assert_eq!(
            listed["items"][0]["target_url"],
            format!("{upstream_base_url}/crm/leads")
        );
        assert_eq!(listed["items"][0]["target_action"], "POST");

        let updated = client
            .patch(format!("{base_url}/operations/{operation_id}"))
            .json(&json!({
                "display_name": "Create Lead Updated",
                "category": "marketing",
                "target": {
                    "kind": "rest",
                    "base_url": upstream_base_url,
                    "method": "POST",
                    "path_template": "/crm/leads",
                    "static_headers": {}
                },
                "input_schema": {
                    "type": "object",
                    "required": true,
                    "nullable": false,
                    "fields": {
                        "email": {
                            "type": "string",
                            "required": true,
                            "nullable": false
                        }
                    }
                },
                "output_schema": {
                    "type": "object",
                    "required": true,
                    "nullable": false,
                    "fields": {
                        "id": {
                            "type": "string",
                            "required": true,
                            "nullable": false
                        }
                    }
                },
                "input_mapping": {
                    "rules": [
                        {
                            "source": "$.mcp.email",
                            "target": "$.request.body.email",
                            "required": true
                        }
                    ]
                },
                "output_mapping": {
                    "rules": [
                        {
                            "source": "$.response.body.id",
                            "target": "$.output.id",
                            "required": true
                        }
                    ]
                },
                "execution_config": {
                    "timeout_ms": 1000,
                    "headers": {}
                },
                "tool_description": {
                    "title": "Create Lead Updated",
                    "description": "Creates a CRM lead",
                    "tags": ["crm"]
                }
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        assert_eq!(updated["status"], "draft");

        let detail = client
            .get(format!("{base_url}/operations/{operation_id}"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        assert_eq!(detail["display_name"], "Create Lead Updated");
        assert_eq!(detail["category"], "marketing");

        let archived = client
            .post(format!("{base_url}/operations/{operation_id}/archive"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        assert_eq!(archived["status"], "archived");

        let deleted = client
            .delete(format!("{base_url}/operations/{operation_id}"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        assert_eq!(deleted["operation_id"], operation_id);

        let missing = client
            .get(format!("{base_url}/operations/{operation_id}"))
            .send()
            .await
            .unwrap();
        assert_eq!(missing.status(), reqwest::StatusCode::NOT_FOUND);
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn creates_binds_and_publishes_agent() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("agent_lifecycle");
        let upstream_base_url = spawn_upstream_server().await;
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let operation = client
            .post(format!("{base_url}/operations"))
            .json(&test_operation_payload(
                &upstream_base_url,
                "crm_create_lead_agent",
            ))
            .send()
            .await
            .unwrap();
        let operation = assert_success_json(operation).await;
        let operation_id = operation["operation_id"].as_str().unwrap().to_owned();

        client
            .post(format!("{base_url}/operations/{operation_id}/publish"))
            .json(&json!({ "version": 1 }))
            .send()
            .await
            .unwrap();

        let agent = client
            .post(format!("{base_url}/agents"))
            .json(&json!({
                "slug": "sales-assistant",
                "display_name": "Sales Assistant",
                "description": "Curated sales toolset",
                "instructions": {},
                "tool_selection_policy": {}
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let agent_id = agent["agent_id"].as_str().unwrap().to_owned();

        let bindings = client
            .post(format!("{base_url}/agents/{agent_id}/bindings"))
            .json(&json!([
                {
                    "operation_id": operation_id,
                    "operation_version": 1,
                    "tool_name": "crm_create_lead_agent",
                    "tool_title": "Create Lead",
                    "enabled": true
                }
            ]))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let published = client
            .post(format!("{base_url}/agents/{agent_id}/publish"))
            .json(&json!({ "version": 1 }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();

        assert_eq!(
            bindings["bindings"][0]["tool_name"],
            "crm_create_lead_agent"
        );
        assert_eq!(published["published_version"], 1);
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn updates_lists_and_deletes_agent() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("agent_mutations");
        let upstream_base_url = spawn_upstream_server().await;
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let operation = client
            .post(format!("{base_url}/operations"))
            .json(&test_operation_payload(
                &upstream_base_url,
                "crm_create_lead_agents_page",
            ))
            .send()
            .await
            .unwrap();
        let operation = assert_success_json(operation).await;
        let operation_id = operation["operation_id"].as_str().unwrap().to_owned();

        client
            .post(format!("{base_url}/operations/{operation_id}/publish"))
            .json(&json!({ "version": 1 }))
            .send()
            .await
            .unwrap();

        let created = client
            .post(format!("{base_url}/agents"))
            .json(&json!({
                "slug": "support-team",
                "display_name": "Support Team",
                "description": "Support workflows",
                "instructions": {},
                "tool_selection_policy": {}
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let agent_id = created["agent_id"].as_str().unwrap().to_owned();

        client
            .post(format!("{base_url}/agents/{agent_id}/bindings"))
            .json(&json!([
                {
                    "operation_id": operation_id,
                    "operation_version": 1,
                    "tool_name": "crm_create_lead_agents_page",
                    "tool_title": "Create Lead",
                    "tool_description_override": null,
                    "enabled": true
                }
            ]))
            .send()
            .await
            .unwrap();

        client
            .post(format!("{base_url}/agents/{agent_id}/publish"))
            .json(&json!({ "version": 1 }))
            .send()
            .await
            .unwrap();

        let listed = client
            .get(format!("{base_url}/agents"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        assert_eq!(listed["items"][0]["operation_count"], 1);
        assert_eq!(listed["items"][0]["operation_ids"][0], operation_id);
        assert_eq!(
            listed["items"][0]["mcp_endpoint"],
            "/mcp/v1/default/support-team"
        );
        assert_eq!(listed["items"][0]["status"], "published");

        let updated = client
            .patch(format!("{base_url}/agents/{agent_id}"))
            .json(&json!({
                "slug": "support-escalation",
                "display_name": "Support Escalation",
                "description": "Escalation workflows"
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        assert_eq!(updated["agent_id"], agent_id);

        let detail = client
            .get(format!("{base_url}/agents/{agent_id}"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        assert_eq!(detail["slug"], "support-escalation");
        assert_eq!(detail["display_name"], "Support Escalation");
        assert_eq!(detail["operation_count"], 1);
        assert_eq!(detail["mcp_endpoint"], "/mcp/v1/default/support-escalation");

        let deleted = client
            .delete(format!("{base_url}/agents/{agent_id}"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        assert_eq!(deleted["agent_id"], agent_id);

        let missing = client
            .get(format!("{base_url}/agents/{agent_id}"))
            .send()
            .await
            .unwrap();
        assert_eq!(missing.status(), reqwest::StatusCode::NOT_FOUND);
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn manages_platform_access_resources() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("platform_access");
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let members = client
            .get(format!("{base_url}/members"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let created_invitation = client
            .post(format!("{base_url}/invitations"))
            .json(&json!({
                "email": "operator@example.com",
                "role": "operator"
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let invitation_id = created_invitation["invitation"]["invitation"]["id"]
            .as_str()
            .unwrap()
            .to_owned();
        let invitations = client
            .get(format!("{base_url}/invitations"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let created_key = client
            .post(format!("{base_url}/platform-api-keys"))
            .json(&json!({
                "name": "workspace-operator",
                "scopes": ["read", "write"]
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let key_id = created_key["api_key"]["api_key"]["id"]
            .as_str()
            .unwrap()
            .to_owned();
        let listed_keys = client
            .get(format!("{base_url}/platform-api-keys"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let revoke_status = client
            .post(format!("{base_url}/platform-api-keys/{key_id}/revoke"))
            .send()
            .await
            .unwrap()
            .status();
        let delete_invitation_status = client
            .delete(format!("{base_url}/invitations/{invitation_id}"))
            .send()
            .await
            .unwrap()
            .status();
        let delete_key_status = client
            .delete(format!("{base_url}/platform-api-keys/{key_id}"))
            .send()
            .await
            .unwrap()
            .status();

        assert_eq!(members["items"][0]["role"], "owner");
        assert_eq!(
            created_invitation["invitation"]["invitation"]["status"],
            "pending"
        );
        assert!(
            created_invitation["invite_token"]
                .as_str()
                .unwrap()
                .starts_with("invite_")
        );
        assert_eq!(
            invitations["items"][0]["invitation"]["email"],
            "operator@example.com"
        );
        assert_eq!(
            listed_keys["items"][0]["api_key"]["name"],
            "workspace-operator"
        );
        assert!(created_key["secret"].as_str().unwrap().starts_with("crk_"));
        assert_eq!(revoke_status, reqwest::StatusCode::NO_CONTENT);
        assert_eq!(delete_invitation_status, reqwest::StatusCode::NO_CONTENT);
        assert_eq!(delete_key_status, reqwest::StatusCode::NO_CONTENT);
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn exposes_logs_and_usage_from_real_test_runs() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("observability");
        let upstream_base_url = spawn_upstream_server().await;
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let created = client
            .post(format!("{base_url}/operations"))
            .json(&test_operation_payload(
                &upstream_base_url,
                "crm_observability",
            ))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let operation_id = created["operation_id"].as_str().unwrap().to_owned();

        client
            .post(format!("{base_url}/operations/{operation_id}/test-runs"))
            .json(&json!({
                "version": 1,
                "input": { "email": "user@example.com" }
            }))
            .send()
            .await
            .unwrap();

        let logs = client
            .get(format!("{base_url}/logs?period=7d"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let log_id = logs["items"][0]["log"]["id"].as_str().unwrap().to_owned();
        let log_detail = client
            .get(format!("{base_url}/logs/{log_id}"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let usage = client
            .get(format!("{base_url}/usage?period=7d"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let operation_usage = client
            .get(format!(
                "{base_url}/usage/operations/{operation_id}?period=7d"
            ))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();

        assert_eq!(logs["items"][0]["log"]["source"], "admin_test_run");
        assert_eq!(logs["items"][0]["operation_name"], "crm_observability");
        assert_eq!(log_detail["log"]["status"], "ok");
        assert_eq!(usage["summary"]["rollup"]["calls_total"], 1);
        assert_eq!(usage["summary"]["rollup"]["calls_ok"], 1);
        assert_eq!(
            usage["operations"][0]["operation_name"],
            "crm_observability"
        );
        assert_eq!(operation_usage["rollup"]["calls_total"], 1);
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn creates_publishes_and_tests_graphql_operation() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("graphql");
        let upstream_base_url = spawn_graphql_server().await;
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let created = client
            .post(format!("{base_url}/operations"))
            .json(&test_graphql_operation_payload(
                &upstream_base_url,
                "crm_create_lead_graphql",
            ))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let operation_id = created["operation_id"].as_str().unwrap().to_owned();

        let published = client
            .post(format!("{base_url}/operations/{operation_id}/publish"))
            .json(&json!({ "version": 1 }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let test_run = client
            .post(format!("{base_url}/operations/{operation_id}/test-runs"))
            .json(&json!({
                "version": 1,
                "input": { "email": "user@example.com" }
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();

        assert_eq!(published["published_version"], 1);
        assert_eq!(test_run["ok"], true);
        assert_eq!(
            test_run["request_preview"]["variables"]["email"],
            "user@example.com"
        );
        assert_eq!(test_run["response_preview"]["id"], "lead_123");
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn uploads_descriptor_set_and_lists_grpc_services() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("grpc_descriptor");
        let server_addr = grpc_test_support::spawn_unary_echo_server().await;
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let created = client
            .post(format!("{base_url}/operations"))
            .json(&test_grpc_operation_payload(
                &server_addr,
                "echo_descriptor",
            ))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let operation_id = created["operation_id"].as_str().unwrap().to_owned();

        let uploaded = client
            .post(format!(
                "{base_url}/operations/{operation_id}/descriptors/descriptor-set"
            ))
            .header("x-file-name", "echo_descriptor.bin")
            .body(grpc_test_support::echo::FILE_DESCRIPTOR_SET.to_vec())
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let services = client
            .get(format!(
                "{base_url}/operations/{operation_id}/grpc/services"
            ))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();

        assert!(uploaded["descriptor_id"].as_str().is_some());
        assert_eq!(services["services"][0]["package"], "echo");
        assert_eq!(services["services"][0]["service"], "EchoService");
        assert_eq!(services["services"][0]["methods"][0]["name"], "UnaryEcho");
        assert_eq!(services["services"][0]["methods"][0]["kind"], "unary");
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn creates_publishes_and_tests_grpc_operation() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("grpc_runtime");
        let server_addr = grpc_test_support::spawn_unary_echo_server().await;
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let created = client
            .post(format!("{base_url}/operations"))
            .json(&test_grpc_operation_payload(&server_addr, "echo_runtime"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let operation_id = created["operation_id"].as_str().unwrap().to_owned();

        let published = client
            .post(format!("{base_url}/operations/{operation_id}/publish"))
            .json(&json!({ "version": 1 }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let test_run = client
            .post(format!("{base_url}/operations/{operation_id}/test-runs"))
            .json(&json!({
                "version": 1,
                "input": { "message": "hello" }
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();

        assert_eq!(published["published_version"], 1);
        assert_eq!(test_run["ok"], true);
        assert_eq!(test_run["request_preview"]["grpc"]["message"], "hello");
        assert_eq!(test_run["response_preview"]["message"], "hello");
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn manages_auth_profiles_and_yaml_upsert() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("yaml");
        let upstream_base_url = spawn_upstream_server().await;
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let auth_profile = client
            .post(format!("{base_url}/auth-profiles"))
            .json(&json!({
                "name": "crm-header",
                "kind": "api_key_header",
                "config": {
                    "api_key_header": {
                        "header_name": "X-Api-Key",
                        "secret_ref": "secret://crm/api-key"
                    }
                }
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let created = client
            .post(format!("{base_url}/operations"))
            .json(&test_operation_payload(
                &upstream_base_url,
                "crm_export_target",
            ))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let operation_id = created["operation_id"].as_str().unwrap();
        let yaml = client
            .get(format!("{base_url}/operations/{operation_id}/export"))
            .send()
            .await
            .unwrap()
            .text()
            .await
            .unwrap();
        let imported = client
            .post(format!("{base_url}/operations/import?mode=upsert"))
            .body(yaml)
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();

        assert_eq!(auth_profile["kind"], "api_key_header");
        assert_eq!(imported["operation_id"], operation_id);
        assert_eq!(imported["version"], 2);
        assert_eq!(imported["import_mode"], "upsert");
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn roundtrips_graphql_operation_through_yaml_upsert() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("yaml_graphql");
        let upstream_base_url = spawn_graphql_server().await;
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let created = client
            .post(format!("{base_url}/operations"))
            .json(&test_graphql_operation_payload(
                &upstream_base_url,
                "crm_yaml_graphql",
            ))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let operation_id = created["operation_id"].as_str().unwrap().to_owned();

        let yaml = client
            .get(format!("{base_url}/operations/{operation_id}/export"))
            .send()
            .await
            .unwrap()
            .text()
            .await
            .unwrap();
        let imported = client
            .post(format!("{base_url}/operations/import?mode=upsert"))
            .body(yaml)
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let test_run = client
            .post(format!("{base_url}/operations/{operation_id}/test-runs"))
            .json(&json!({
                "version": 2,
                "input": { "email": "user@example.com" }
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();

        assert_eq!(imported["operation_id"], operation_id);
        assert_eq!(imported["version"], 2);
        assert_eq!(test_run["ok"], true);
        assert_eq!(test_run["response_preview"]["id"], "lead_123");
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn roundtrips_grpc_operation_through_yaml_upsert() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("yaml_grpc");
        let server_addr = grpc_test_support::spawn_unary_echo_server().await;
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let created = client
            .post(format!("{base_url}/operations"))
            .json(&test_grpc_operation_payload(&server_addr, "echo_yaml_grpc"))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let operation_id = created["operation_id"].as_str().unwrap().to_owned();

        let yaml = client
            .get(format!("{base_url}/operations/{operation_id}/export"))
            .send()
            .await
            .unwrap()
            .text()
            .await
            .unwrap();
        let imported = client
            .post(format!("{base_url}/operations/import?mode=upsert"))
            .body(yaml)
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let test_run = client
            .post(format!("{base_url}/operations/{operation_id}/test-runs"))
            .json(&json!({
                "version": 2,
                "input": { "message": "hello" }
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();

        assert_eq!(imported["operation_id"], operation_id);
        assert_eq!(imported["version"], 2);
        assert_eq!(test_run["ok"], true);
        assert_eq!(test_run["response_preview"]["message"], "hello");
    }

    #[tokio::test(flavor = "multi_thread")]
    #[serial]
    async fn uploads_samples_and_generates_draft() {
        let registry = test_registry().await;
        let storage_root = test_storage_root("draft");
        let upstream_base_url = spawn_upstream_server().await;
        let base_url = spawn_admin_api(build_test_app(registry, storage_root)).await;
        let client = authorized_client(&base_url).await;

        let created = client
            .post(format!("{base_url}/operations"))
            .json(&test_operation_payload(
                &upstream_base_url,
                "crm_draft_target",
            ))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();
        let operation_id = created["operation_id"].as_str().unwrap();

        client
            .post(format!(
                "{base_url}/operations/{operation_id}/samples/input-json"
            ))
            .json(&json!({ "email": "user@example.com", "name": "Ada" }))
            .send()
            .await
            .unwrap();
        client
            .post(format!(
                "{base_url}/operations/{operation_id}/samples/output-json"
            ))
            .json(&json!({ "id": "lead_123", "status": "created" }))
            .send()
            .await
            .unwrap();

        let generated = client
            .post(format!(
                "{base_url}/operations/{operation_id}/drafts/generate"
            ))
            .json(&json!({
                "sources": ["input_json_sample", "output_json_sample"]
            }))
            .send()
            .await
            .unwrap()
            .json::<Value>()
            .await
            .unwrap();

        assert_eq!(generated["generated_draft"]["status"], "available");
        assert_eq!(
            generated["input_schema"]["fields"]["email"]["type"],
            "string"
        );
        assert_eq!(
            generated["output_mapping"]["rules"][0]["target"],
            "$.output.id"
        );
    }

    fn build_test_app(registry: PostgresRegistry, storage_root: std::path::PathBuf) -> Router {
        build_app(AppState {
            service: AdminService::new(registry, storage_root, test_auth_settings()),
        })
    }

    async fn spawn_upstream_server() -> String {
        let app = Router::new().route("/crm/leads", post(create_lead));
        let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
        let address = listener.local_addr().unwrap();

        tokio::spawn(async move {
            axum::serve(listener, app).await.unwrap();
        });

        format!("http://{}", address)
    }

    async fn spawn_graphql_server() -> String {
        let app = Router::new().route("/", post(graphql_handler));
        let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
        let address = listener.local_addr().unwrap();

        tokio::spawn(async move {
            axum::serve(listener, app).await.unwrap();
        });

        format!("http://{}", address)
    }

    async fn spawn_admin_api(app: Router) -> TestServer {
        let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
        let address = listener.local_addr().unwrap();
        let (shutdown_tx, shutdown_rx) = tokio::sync::oneshot::channel();

        let handle = tokio::spawn(async move {
            axum::serve(listener, app)
                .with_graceful_shutdown(async move {
                    let _ = shutdown_rx.await;
                })
                .await
                .unwrap();
        });

        TestServer {
            base_url: format!(
                "http://{}/api/admin/workspaces/{}",
                address, DEFAULT_WORKSPACE_ID
            ),
            shutdown: Some(shutdown_tx),
            handle: Some(handle),
        }
    }

    async fn authorized_client(workspace_base_url: impl AsRef<str>) -> reqwest::Client {
        let root_url = workspace_base_url
            .as_ref()
            .split("/api/admin/workspaces/")
            .next()
            .unwrap();
        let client = reqwest::Client::builder()
            .cookie_store(true)
            .build()
            .unwrap();

        client
            .post(format!("{root_url}/api/auth/login"))
            .json(&json!({
                "email": TEST_AUTH_EMAIL,
                "password": TEST_AUTH_PASSWORD,
            }))
            .send()
            .await
            .unwrap()
            .error_for_status()
            .unwrap();

        client
    }

    async fn assert_success_json(response: reqwest::Response) -> Value {
        let status = response.status();
        let body = response.text().await.unwrap();

        assert!(
            status.is_success(),
            "request failed with status {status}: {body}"
        );

        serde_json::from_str(&body).unwrap()
    }

    async fn create_lead(Json(payload): Json<Value>) -> Json<Value> {
        Json(json!({
            "id": "lead_123",
            "status": "created",
            "email": payload["email"]
        }))
    }

    async fn graphql_handler(Json(payload): Json<Value>) -> Json<Value> {
        let email = payload
            .get("variables")
            .and_then(|variables| variables.get("email"))
            .and_then(Value::as_str)
            .unwrap_or_default();

        Json(json!({
            "data": {
                "createLead": {
                    "id": "lead_123",
                    "status": "created",
                    "email": email
                }
            }
        }))
    }

    async fn test_registry() -> PostgresRegistry {
        let database_url = env::var("TEST_DATABASE_URL")
            .unwrap_or_else(|_| "postgres://crank:crank@127.0.0.1:5432/crank".to_owned());
        let mut admin_connection = PgConnection::connect(&database_url).await.unwrap();
        let schema = format!(
            "test_admin_api_{}_{}",
            std::process::id(),
            SystemTime::now()
                .duration_since(UNIX_EPOCH)
                .unwrap()
                .as_nanos()
        );

        admin_connection
            .execute(sqlx::query(&format!("create schema {schema}")))
            .await
            .unwrap();
        let registry =
            PostgresRegistry::connect(&format!("{database_url}?options=-csearch_path%3D{schema}"))
                .await
                .unwrap();
        let password_hash = hash_password(TEST_AUTH_PASSWORD, TEST_PASSWORD_PEPPER).unwrap();
        let user_id = registry
            .upsert_bootstrap_user(TEST_AUTH_EMAIL, "Test Owner", &password_hash)
            .await
            .unwrap();
        registry
            .ensure_membership(
                &WorkspaceId::new(DEFAULT_WORKSPACE_ID),
                &user_id,
                MembershipRole::Owner,
            )
            .await
            .unwrap();

        registry
    }

    fn test_storage_root(name: &str) -> std::path::PathBuf {
        env::temp_dir().join(format!(
            "crank_admin_api_{name}_{}_{}",
            std::process::id(),
            SystemTime::now()
                .duration_since(UNIX_EPOCH)
                .unwrap()
                .as_nanos()
        ))
    }

    fn test_auth_settings() -> AuthSettings {
        AuthSettings {
            session_secret: TEST_SESSION_SECRET.to_owned(),
            password_pepper: TEST_PASSWORD_PEPPER.to_owned(),
            session_ttl_hours: 24,
            cookie_secure: false,
            bootstrap_admin: BootstrapAdminConfig {
                email: TEST_AUTH_EMAIL.to_owned(),
                password: TEST_AUTH_PASSWORD.to_owned(),
                display_name: "Test Owner".to_owned(),
            },
        }
    }

    fn test_operation_payload(base_url: &str, name: &str) -> OperationPayload {
        OperationPayload {
            name: name.to_owned(),
            display_name: "Create Lead".to_owned(),
            category: "sales".to_owned(),
            protocol: Protocol::Rest,
            target: Target::Rest(RestTarget {
                base_url: base_url.to_owned(),
                method: HttpMethod::Post,
                path_template: "/crm/leads".to_owned(),
                static_headers: BTreeMap::new(),
            }),
            input_schema: object_schema("email"),
            output_schema: object_schema("id"),
            input_mapping: MappingSet {
                rules: vec![MappingRule {
                    source: "$.mcp.email".to_owned(),
                    target: "$.request.body.email".to_owned(),
                    required: true,
                    default_value: None,
                    transform: None,
                    condition: None,
                    notes: None,
                }],
            },
            output_mapping: MappingSet {
                rules: vec![MappingRule {
                    source: "$.response.body.id".to_owned(),
                    target: "$.output.id".to_owned(),
                    required: true,
                    default_value: None,
                    transform: None,
                    condition: None,
                    notes: None,
                }],
            },
            execution_config: ExecutionConfig {
                timeout_ms: 1_000,
                retry_policy: None,
                auth_profile_ref: None,
                headers: BTreeMap::new(),
                protocol_options: None,
            },
            tool_description: ToolDescription {
                title: "Create Lead".to_owned(),
                description: "Creates a CRM lead".to_owned(),
                tags: vec!["crm".to_owned()],
                examples: Vec::new(),
            },
        }
    }

    fn test_graphql_operation_payload(endpoint: &str, name: &str) -> OperationPayload {
        OperationPayload {
            name: name.to_owned(),
            display_name: "Create Lead GraphQL".to_owned(),
            category: "sales".to_owned(),
            protocol: Protocol::Graphql,
            target: Target::Graphql(GraphqlTarget {
                endpoint: endpoint.to_owned(),
                operation_type: GraphqlOperationType::Mutation,
                operation_name: "CreateLead".to_owned(),
                query_template:
                    "mutation CreateLead($email: String!) { createLead(email: $email) { id status email } }"
                        .to_owned(),
                response_path: "$.response.body.data.createLead".to_owned(),
            }),
            input_schema: object_schema("email"),
            output_schema: object_schema("id"),
            input_mapping: MappingSet {
                rules: vec![MappingRule {
                    source: "$.mcp.email".to_owned(),
                    target: "$.request.variables.email".to_owned(),
                    required: true,
                    default_value: None,
                    transform: None,
                    condition: None,
                    notes: None,
                }],
            },
            output_mapping: MappingSet {
                rules: vec![MappingRule {
                    source: "$.response.data.id".to_owned(),
                    target: "$.output.id".to_owned(),
                    required: true,
                    default_value: None,
                    transform: None,
                    condition: None,
                    notes: None,
                }],
            },
            execution_config: ExecutionConfig {
                timeout_ms: 1_000,
                retry_policy: None,
                auth_profile_ref: None,
                headers: BTreeMap::new(),
                protocol_options: None,
            },
            tool_description: ToolDescription {
                title: "Create Lead GraphQL".to_owned(),
                description: "Creates a CRM lead through GraphQL".to_owned(),
                tags: vec!["crm".to_owned(), "graphql".to_owned()],
                examples: Vec::new(),
            },
        }
    }

    fn test_grpc_operation_payload(server_addr: &str, name: &str) -> OperationPayload {
        OperationPayload {
            name: name.to_owned(),
            display_name: "Unary Echo gRPC".to_owned(),
            category: "support".to_owned(),
            protocol: Protocol::Grpc,
            target: Target::Grpc(GrpcTarget {
                server_addr: server_addr.to_owned(),
                package: "echo".to_owned(),
                service: "EchoService".to_owned(),
                method: "UnaryEcho".to_owned(),
                descriptor_ref: DescriptorId::new("desc_echo"),
                descriptor_set_b64: grpc_test_support::descriptor_set_b64(),
            }),
            input_schema: object_schema("message"),
            output_schema: object_schema("message"),
            input_mapping: MappingSet {
                rules: vec![MappingRule {
                    source: "$.mcp.message".to_owned(),
                    target: "$.request.grpc.message".to_owned(),
                    required: true,
                    default_value: None,
                    transform: None,
                    condition: None,
                    notes: None,
                }],
            },
            output_mapping: MappingSet {
                rules: vec![MappingRule {
                    source: "$.response.data.message".to_owned(),
                    target: "$.output.message".to_owned(),
                    required: true,
                    default_value: None,
                    transform: None,
                    condition: None,
                    notes: None,
                }],
            },
            execution_config: ExecutionConfig {
                timeout_ms: 1_000,
                retry_policy: None,
                auth_profile_ref: None,
                headers: BTreeMap::new(),
                protocol_options: None,
            },
            tool_description: ToolDescription {
                title: "Unary Echo gRPC".to_owned(),
                description: "Echoes a unary gRPC payload".to_owned(),
                tags: vec!["grpc".to_owned()],
                examples: Vec::new(),
            },
        }
    }

    fn object_schema(field_name: &str) -> Schema {
        Schema {
            kind: SchemaKind::Object,
            description: None,
            required: true,
            nullable: false,
            default_value: None,
            fields: BTreeMap::from([(
                field_name.to_owned(),
                Schema {
                    kind: SchemaKind::String,
                    description: None,
                    required: true,
                    nullable: false,
                    default_value: None,
                    fields: BTreeMap::new(),
                    items: None,
                    enum_values: Vec::new(),
                    variants: Vec::new(),
                },
            )]),
            items: None,
            enum_values: Vec::new(),
            variants: Vec::new(),
        }
    }
}