use serde::{Deserialize, Serialize};
use serde_json::Value;
use time::OffsetDateTime;

use crate::ids::{AgentId, ApprovalRequestId, OperationId, PlatformApiKeyId, WorkspaceId};
use crate::operation::OperationApprovalRiskLevel;

#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
pub enum ApprovalRequestStatus {
    #[default]
    Pending,
    Approved,
    Executing,
    Denied,
    Expired,
    Completed,
    Failed,
}

#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
pub struct ApprovalRequest {
    pub id: ApprovalRequestId,
    pub workspace_id: WorkspaceId,
    pub agent_id: AgentId,
    pub operation_id: OperationId,
    pub operation_version: u32,
    pub status: ApprovalRequestStatus,
    pub risk_level: OperationApprovalRiskLevel,
    pub request_payload: Value,
    pub response_payload: Option<Value>,
    #[serde(with = "time::serde::rfc3339")]
    pub created_at: OffsetDateTime,
    #[serde(with = "time::serde::rfc3339")]
    pub expires_at: OffsetDateTime,
    #[serde(with = "time::serde::rfc3339::option")]
    pub decided_at: Option<OffsetDateTime>,
    pub decided_by_key_id: Option<PlatformApiKeyId>,
    pub decision_note: Option<String>,
}