//! 定时任务模块集成测试
//!
//! 覆盖 scheduled_task 模块的 CRUD 端点（5 端点）。

mod common;
use common::*;
use axum::http::StatusCode;

/// 创建 cron 类型任务的请求体
fn cron_task_body(name: &str) -> serde_json::Value {
    serde_json::json!({
        "name": name,
        "schedule": "0 8 * * *",
        "schedule_type": "cron",
        "target": {
            "type": "agent",
            "id": "test-agent-1"
        },
        "description": "测试定时任务",
        "enabled": true
    })
}

/// 创建 interval 类型任务的请求体
fn interval_task_body(name: &str) -> serde_json::Value {
    serde_json::json!({
        "name": name,
        "schedule": "30m",
        "schedule_type": "interval",
        "target": {
            "type": "hand",
            "id": "collector"
        }
    })
}

// ── 创建任务 ───────────────────────────────────────────────────

#[tokio::test]
async fn test_create_cron_task() {
    let (app, _pool) = build_test_app().await;
    let token = register_token(&app, "sched_cron_user").await;

    let (status, body) = send(&app, post(
        "/api/v1/scheduler/tasks",
        &token,
        cron_task_body("每日早报"),
    )).await;
    assert_eq!(status, StatusCode::CREATED, "create cron task failed: {body}");

    assert!(body["id"].is_string(), "missing id");
    assert_eq!(body["name"], "每日早报");
    assert_eq!(body["schedule"], "0 8 * * *");
    assert_eq!(body["schedule_type"], "cron");
    assert_eq!(body["target"]["type"], "agent");
    assert_eq!(body["target"]["id"], "test-agent-1");
    assert_eq!(body["enabled"], true);
    assert!(body["created_at"].is_string());
    assert_eq!(body["run_count"], 0);
}

#[tokio::test]
async fn test_create_interval_task() {
    let (app, _pool) = build_test_app().await;
    let token = register_token(&app, "sched_interval_user").await;

    let (status, body) = send(&app, post(
        "/api/v1/scheduler/tasks",
        &token,
        interval_task_body("定时采集"),
    )).await;
    assert_eq!(status, StatusCode::CREATED, "create interval task failed: {body}");

    assert_eq!(body["schedule_type"], "interval");
    assert_eq!(body["schedule"], "30m");
    assert_eq!(body["target"]["type"], "hand");
}

#[tokio::test]
async fn test_create_once_task() {
    let (app, _pool) = build_test_app().await;
    let token = register_token(&app, "sched_once_user").await;

    let body = serde_json::json!({
        "name": "一次性任务",
        "schedule": "2026-12-31T00:00:00Z",
        "schedule_type": "once",
        "target": {
            "type": "workflow",
            "id": "wf-1"
        }
    });

    let (status, resp) = send(&app, post("/api/v1/scheduler/tasks", &token, body)).await;
    assert_eq!(status, StatusCode::CREATED, "create once task failed: {resp}");
    assert_eq!(resp["schedule_type"], "once");
    assert_eq!(resp["target"]["type"], "workflow");
}

#[tokio::test]
async fn test_create_task_validation() {
    let (app, _pool) = build_test_app().await;
    let token = register_token(&app, "sched_valid_user").await;

    // 空名称
    let (status, _) = send(&app, post("/api/v1/scheduler/tasks", &token,
        serde_json::json!({
            "name": "",
            "schedule": "0 * * * *",
            "schedule_type": "cron",
            "target": { "type": "agent", "id": "a1" }
        })
    )).await;
    assert_eq!(status, StatusCode::BAD_REQUEST, "should reject empty name");

    // 空 schedule
    let (status, _) = send(&app, post("/api/v1/scheduler/tasks", &token,
        serde_json::json!({
            "name": "valid",
            "schedule": "",
            "schedule_type": "cron",
            "target": { "type": "agent", "id": "a1" }
        })
    )).await;
    assert_eq!(status, StatusCode::BAD_REQUEST, "should reject empty schedule");

    // 无效 schedule_type
    let (status, _) = send(&app, post("/api/v1/scheduler/tasks", &token,
        serde_json::json!({
            "name": "valid",
            "schedule": "0 * * * *",
            "schedule_type": "invalid",
            "target": { "type": "agent", "id": "a1" }
        })
    )).await;
    assert_eq!(status, StatusCode::BAD_REQUEST, "should reject invalid schedule_type");

    // 无效 target_type
    let (status, _) = send(&app, post("/api/v1/scheduler/tasks", &token,
        serde_json::json!({
            "name": "valid",
            "schedule": "0 * * * *",
            "schedule_type": "cron",
            "target": { "type": "invalid_type", "id": "a1" }
        })
    )).await;
    assert_eq!(status, StatusCode::BAD_REQUEST, "should reject invalid target_type");
}

// ── 列出任务 ───────────────────────────────────────────────────

#[tokio::test]
async fn test_list_tasks() {
    let (app, _pool) = build_test_app().await;
    let token = register_token(&app, "sched_list_user").await;

    // 创建 2 个任务
    let _ = send(&app, post("/api/v1/scheduler/tasks", &token,
        cron_task_body("任务A")
    )).await;
    let _ = send(&app, post("/api/v1/scheduler/tasks", &token,
        interval_task_body("任务B")
    )).await;

    let (status, body) = send(&app, get("/api/v1/scheduler/tasks", &token)).await;
    assert_eq!(status, StatusCode::OK, "list_tasks failed: {body}");

    let arr = body.as_array().expect("should be array");
    assert_eq!(arr.len(), 2, "expected 2 tasks, got {}", arr.len());
}

#[tokio::test]
async fn test_list_tasks_isolation() {
    let (app, _pool) = build_test_app().await;
    let token_a = register_token(&app, "sched_iso_user_a").await;
    let token_b = register_token(&app, "sched_iso_user_b").await;

    // 用户 A 创建任务
    let _ = send(&app, post("/api/v1/scheduler/tasks", &token_a,
        cron_task_body("A的任务")
    )).await;

    // 用户 B 创建任务
    let _ = send(&app, post("/api/v1/scheduler/tasks", &token_b,
        cron_task_body("B的任务")
    )).await;

    // 用户 A 只能看到自己的任务
    let (_, body_a) = send(&app, get("/api/v1/scheduler/tasks", &token_a)).await;
    let arr_a = body_a.as_array().unwrap();
    assert_eq!(arr_a.len(), 1, "user A should see 1 task");
    assert_eq!(arr_a[0]["name"], "A的任务");

    // 用户 B 只能看到自己的任务
    let (_, body_b) = send(&app, get("/api/v1/scheduler/tasks", &token_b)).await;
    let arr_b = body_b.as_array().unwrap();
    assert_eq!(arr_b.len(), 1, "user B should see 1 task");
    assert_eq!(arr_b[0]["name"], "B的任务");
}

// ── 获取单个任务 ───────────────────────────────────────────────

#[tokio::test]
async fn test_get_task() {
    let (app, _pool) = build_test_app().await;
    let token = register_token(&app, "sched_get_user").await;

    let (_, create_body) = send(&app, post("/api/v1/scheduler/tasks", &token,
        cron_task_body("获取测试")
    )).await;
    let task_id = create_body["id"].as_str().unwrap();

    let (status, body) = send(&app, get(
        &format!("/api/v1/scheduler/tasks/{}", task_id),
        &token,
    )).await;
    assert_eq!(status, StatusCode::OK, "get_task failed: {body}");
    assert_eq!(body["id"], task_id);
    assert_eq!(body["name"], "获取测试");
}

#[tokio::test]
async fn test_get_task_not_found() {
    let (app, _pool) = build_test_app().await;
    let token = register_token(&app, "sched_404_user").await;

    let (status, _) = send(&app, get(
        "/api/v1/scheduler/tasks/nonexistent-id",
        &token,
    )).await;
    assert_eq!(status, StatusCode::NOT_FOUND);
}

#[tokio::test]
async fn test_get_task_wrong_account() {
    let (app, _pool) = build_test_app().await;
    let token_a = register_token(&app, "sched_wa_user_a").await;
    let token_b = register_token(&app, "sched_wa_user_b").await;

    // 用户 A 创建任务
    let (_, create_body) = send(&app, post("/api/v1/scheduler/tasks", &token_a,
        cron_task_body("A私有任务")
    )).await;
    let task_id = create_body["id"].as_str().unwrap();

    // 用户 B 不应看到用户 A 的任务
    let (status, _) = send(&app, get(
        &format!("/api/v1/scheduler/tasks/{}", task_id),
        &token_b,
    )).await;
    assert_eq!(status, StatusCode::NOT_FOUND, "should not see other user's task");
}

// ── 更新任务 ───────────────────────────────────────────────────

#[tokio::test]
async fn test_update_task() {
    let (app, _pool) = build_test_app().await;
    let token = register_token(&app, "sched_update_user").await;

    let (_, create_body) = send(&app, post("/api/v1/scheduler/tasks", &token,
        cron_task_body("原始名称")
    )).await;
    let task_id = create_body["id"].as_str().unwrap();

    let (status, body) = send(&app, patch(
        &format!("/api/v1/scheduler/tasks/{}", task_id),
        &token,
        serde_json::json!({
            "name": "更新后名称",
            "enabled": false,
            "description": "已禁用"
        }),
    )).await;
    assert_eq!(status, StatusCode::OK, "update_task failed: {body}");
    assert_eq!(body["name"], "更新后名称");
    assert_eq!(body["enabled"], false);
    assert_eq!(body["description"], "已禁用");
    // 未更新的字段应保持不变
    assert_eq!(body["schedule"], "0 8 * * *");
}

// ── 删除任务 ───────────────────────────────────────────────────

#[tokio::test]
async fn test_delete_task() {
    let (app, _pool) = build_test_app().await;
    let token = register_token(&app, "sched_del_user").await;

    let (_, create_body) = send(&app, post("/api/v1/scheduler/tasks", &token,
        cron_task_body("待删除任务")
    )).await;
    let task_id = create_body["id"].as_str().unwrap();

    let (status, _) = send(&app, delete(
        &format!("/api/v1/scheduler/tasks/{}", task_id),
        &token,
    )).await;
    assert_eq!(status, StatusCode::NO_CONTENT, "delete should return 204");

    // 确认已删除
    let (status, _) = send(&app, get(
        &format!("/api/v1/scheduler/tasks/{}", task_id),
        &token,
    )).await;
    assert_eq!(status, StatusCode::NOT_FOUND, "deleted task should be 404");
}

#[tokio::test]
async fn test_delete_task_not_found() {
    let (app, _pool) = build_test_app().await;
    let token = register_token(&app, "sched_del404_user").await;

    let (status, _) = send(&app, delete(
        "/api/v1/scheduler/tasks/nonexistent-id",
        &token,
    )).await;
    assert_eq!(status, StatusCode::NOT_FOUND, "delete nonexistent should return 404");
}