use std::collections::BTreeMap;

use crank_community_mcp::manifest::{analyze_published_tool_catalog, tool_definitions};
use crank_core::{
    ExecutionConfig, HttpMethod, Operation, OperationId, OperationSecurityLevel, OperationStatus,
    Protocol, RestTarget, Target, ToolDescription, WorkspaceId,
};
use crank_mapping::MappingSet;
use crank_registry::{PublishedAgentTool, RegistryOperation};
use crank_schema::{Schema, SchemaKind};
use serde_json::json;
use time::{OffsetDateTime, format_description::well_known::Rfc3339};

#[test]
fn builds_tools_list_manifest_from_published_agent_tool() {
    let definitions = tool_definitions(&published_tool());

    assert_eq!(definitions.len(), 1);
    let definition = &definitions[0];
    assert_eq!(definition["name"], "frankfurter_latest_rate");
    assert_eq!(definition["title"], "Последний курс валюты");
    assert_eq!(
        definition["description"],
        "Возвращает последний курс валюты через Frankfurter."
    );
    assert_eq!(definition["inputSchema"]["type"], "object");
    assert_eq!(definition["inputSchema"]["required"], json!(["base"]));
    assert_eq!(
        definition["inputSchema"]["properties"]["base"],
        json!({ "type": "string" })
    );
    assert_eq!(
        definition["inputSchema"]["properties"]["mode"],
        json!({ "type": "string", "enum": ["latest", "historical"] })
    );
}

#[test]
fn marks_destructive_tools_as_two_step_confirmation_calls() {
    let mut tool = published_tool();
    let Target::Rest(target) = &mut tool.operation.target;
    target.method = HttpMethod::Delete;

    let definitions = tool_definitions(&tool);
    let definition = &definitions[0];

    assert!(
        definition["description"]
            .as_str()
            .unwrap()
            .contains("_crank_confirmation_token")
    );
    assert_eq!(
        definition["inputSchema"]["properties"]["_crank_confirmation_token"]["type"],
        "string"
    );
    assert_eq!(definition["inputSchema"]["required"], json!(["base"]));
}

#[test]
fn catalog_budget_uses_the_same_definitions_as_tools_list() {
    let tool = published_tool();
    let definitions = tool_definitions(&tool);
    let analysis = analyze_published_tool_catalog(&[tool]).unwrap();

    assert_eq!(analysis.budget.tool_count, definitions.len());
    assert_eq!(
        analysis.budget.serialized_bytes,
        serde_json::to_vec(&definitions[0]).unwrap().len()
    );
    assert!(!analysis.budget.exceeds_recommended_budget);
}

fn published_tool() -> PublishedAgentTool {
    PublishedAgentTool {
        workspace_id: WorkspaceId::new("ws_01"),
        workspace_slug: "default".to_owned(),
        agent_id: "agent_01".into(),
        agent_slug: "fx-agent".to_owned(),
        operation: operation(),
        tool_name: "frankfurter_latest_rate".to_owned(),
        tool_title: "Последний курс валюты".to_owned(),
        tool_description: "Возвращает последний курс валюты через Frankfurter.".to_owned(),
    }
}

fn operation() -> RegistryOperation {
    Operation {
        id: OperationId::new("op_01"),
        name: "frankfurter_latest_rate".to_owned(),
        display_name: "Последний курс валюты".to_owned(),
        category: "finance".to_owned(),
        protocol: Protocol::Rest,
        security_level: OperationSecurityLevel::Standard,
        status: OperationStatus::Published,
        version: 1,
        target: Target::Rest(RestTarget {
            base_url: "https://api.frankfurter.dev".to_owned(),
            method: HttpMethod::Get,
            path_template: "/v2/rates".to_owned(),
            static_headers: BTreeMap::new(),
        }),
        input_schema: input_schema(),
        output_schema: Schema {
            kind: SchemaKind::Object,
            description: None,
            required: false,
            nullable: false,
            default_value: None,
            fields: BTreeMap::new(),
            items: None,
            enum_values: Vec::new(),
            variants: Vec::new(),
        },
        input_mapping: MappingSet { rules: Vec::new() },
        output_mapping: MappingSet { rules: Vec::new() },
        execution_config: ExecutionConfig {
            timeout_ms: 10_000,
            retry_policy: None,
            response_cache: None,
            idempotency: None,
            safety: None,
            approval_policy: None,
            auth_profile_ref: None,
            headers: BTreeMap::new(),
        },
        tool_description: ToolDescription {
            title: "Последний курс валюты".to_owned(),
            description: "Возвращает последний курс валюты через Frankfurter.".to_owned(),
            tags: Vec::new(),
            examples: Vec::new(),
        },
        samples: None,
        generated_draft: None,
        config_export: None,
        wizard_state: None,
        created_at: timestamp("2026-06-20T00:00:00Z"),
        updated_at: timestamp("2026-06-20T00:00:00Z"),
        published_at: Some(timestamp("2026-06-20T00:00:00Z")),
    }
}

fn input_schema() -> Schema {
    let mut fields = BTreeMap::new();
    fields.insert(
        "base".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(),
        },
    );
    fields.insert(
        "mode".to_owned(),
        Schema {
            kind: SchemaKind::Enum,
            description: None,
            required: false,
            nullable: false,
            default_value: None,
            fields: BTreeMap::new(),
            items: None,
            enum_values: vec!["latest".to_owned(), "historical".to_owned()],
            variants: Vec::new(),
        },
    );

    Schema {
        kind: SchemaKind::Object,
        description: None,
        required: false,
        nullable: false,
        default_value: None,
        fields,
        items: None,
        enum_values: Vec::new(),
        variants: Vec::new(),
    }
}

fn timestamp(value: &str) -> OffsetDateTime {
    OffsetDateTime::parse(value, &Rfc3339).unwrap()
}