//! erp-health 随访管理集成测试
//!
//! 验证随访任务 CRUD、状态流转、批量操作、记录创建、租户隔离、乐观锁。

use erp_health::dto::follow_up_dto::*;
use erp_health::service::follow_up_service;

use super::test_fixture::TestApp;

fn default_create_task(patient_id: uuid::Uuid) -> CreateFollowUpTaskReq {
    CreateFollowUpTaskReq {
        patient_id,
        assigned_to: None,
        follow_up_type: "phone".to_string(),
        planned_date: chrono::NaiveDate::from_ymd_opt(2026, 5, 15).unwrap(),
        content_template: Some("请询问血压情况".to_string()),
        related_appointment_id: None,
    }
}

// ---------------------------------------------------------------------------
// 测试 1: 创建 + 查询随访任务
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_follow_up_task_create_and_get() {
    let app = TestApp::new().await;
    let patient_id = app.create_patient("随访患者").await;

    let task = follow_up_service::create_task(
        app.health_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_task(patient_id),
    )
    .await
    .expect("创建任务应成功");

    assert_eq!(task.patient_id, patient_id);
    assert_eq!(task.follow_up_type, "phone");
    assert_eq!(task.status, "pending");
    assert_eq!(task.version, 1);

    let fetched = follow_up_service::get_task(app.health_state(), app.tenant_id(), task.id)
        .await
        .expect("查询应成功");
    assert_eq!(fetched.id, task.id);
}

// ---------------------------------------------------------------------------
// 测试 2: 列表按患者过滤
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_follow_up_task_list_by_patient() {
    let app = TestApp::new().await;
    let patient_a = app.create_patient("列表A").await;
    let patient_b = app.create_patient("列表B").await;

    follow_up_service::create_task(
        app.health_state(), app.tenant_id(), None,
        default_create_task(patient_a),
    )
    .await
    .unwrap();
    follow_up_service::create_task(
        app.health_state(), app.tenant_id(), None,
        default_create_task(patient_a),
    )
    .await
    .unwrap();
    follow_up_service::create_task(
        app.health_state(), app.tenant_id(), None,
        default_create_task(patient_b),
    )
    .await
    .unwrap();

    let list_a = follow_up_service::list_tasks(
        app.health_state(), app.tenant_id(), 1, 20, Some(patient_a), None, None,
    )
    .await
    .unwrap();
    assert_eq!(list_a.total, 2);

    let list_b = follow_up_service::list_tasks(
        app.health_state(), app.tenant_id(), 1, 20, Some(patient_b), None, None,
    )
    .await
    .unwrap();
    assert_eq!(list_b.total, 1);
}

// ---------------------------------------------------------------------------
// 测试 3: 状态流转 pending → in_progress → completed
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_follow_up_task_status_flow() {
    let app = TestApp::new().await;
    let patient_id = app.create_patient("流转患者").await;

    let task = follow_up_service::create_task(
        app.health_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_task(patient_id),
    )
    .await
    .unwrap();
    assert_eq!(task.status, "pending");

    // pending → in_progress
    let started = follow_up_service::update_task(
        app.health_state(), app.tenant_id(), task.id, Some(app.operator_id()),
        UpdateFollowUpTaskReq {
            status: Some("in_progress".to_string()),
            assigned_to: None, follow_up_type: None, planned_date: None,
            content_template: None,
        },
        task.version,
    )
    .await
    .expect("开始应成功");
    assert_eq!(started.status, "in_progress");

    // in_progress → completed
    let completed = follow_up_service::update_task(
        app.health_state(), app.tenant_id(), task.id, Some(app.operator_id()),
        UpdateFollowUpTaskReq {
            status: Some("completed".to_string()),
            assigned_to: None, follow_up_type: None, planned_date: None,
            content_template: None,
        },
        started.version,
    )
    .await
    .expect("完成应成功");
    assert_eq!(completed.status, "completed");
}

// ---------------------------------------------------------------------------
// 测试 4: 乐观锁冲突
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_follow_up_task_version_conflict() {
    let app = TestApp::new().await;
    let patient_id = app.create_patient("乐观锁患者").await;

    let task = follow_up_service::create_task(
        app.health_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_task(patient_id),
    )
    .await
    .unwrap();

    // 正确版本更新
    follow_up_service::update_task(
        app.health_state(), app.tenant_id(), task.id, Some(app.operator_id()),
        UpdateFollowUpTaskReq {
            status: Some("in_progress".to_string()),
            assigned_to: None, follow_up_type: None, planned_date: None,
            content_template: None,
        },
        task.version,
    )
    .await
    .expect("更新应成功");

    // 旧版本更新应失败
    let result = follow_up_service::update_task(
        app.health_state(), app.tenant_id(), task.id, Some(app.operator_id()),
        UpdateFollowUpTaskReq {
            status: Some("cancelled".to_string()),
            assigned_to: None, follow_up_type: None, planned_date: None,
            content_template: None,
        },
        task.version,
    )
    .await;
    assert!(result.is_err(), "旧版本应失败");
}

// ---------------------------------------------------------------------------
// 测试 5: 软删除后不可见
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_follow_up_task_soft_delete() {
    let app = TestApp::new().await;
    let patient_id = app.create_patient("软删除患者").await;

    let task = follow_up_service::create_task(
        app.health_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_task(patient_id),
    )
    .await
    .unwrap();

    follow_up_service::delete_task(
        app.health_state(), app.tenant_id(), task.id, Some(app.operator_id()), task.version,
    )
    .await
    .expect("删除应成功");

    let result = follow_up_service::get_task(app.health_state(), app.tenant_id(), task.id).await;
    assert!(result.is_err(), "软删除后应不可见");
}

// ---------------------------------------------------------------------------
// 测试 6: 租户隔离
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_follow_up_task_tenant_isolation() {
    let app = TestApp::new().await;
    let patient_id = app.create_patient("隔离患者").await;

    let task = follow_up_service::create_task(
        app.health_state(), app.tenant_id(), None,
        default_create_task(patient_id),
    )
    .await
    .unwrap();

    let other_tenant = uuid::Uuid::new_v4();
    let result = follow_up_service::get_task(app.health_state(), other_tenant, task.id).await;
    assert!(result.is_err(), "不同租户不应看到此任务");
}

// ---------------------------------------------------------------------------
// 测试 7: 批量创建随访任务
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_follow_up_batch_create() {
    let app = TestApp::new().await;
    let patient_a = app.create_patient("批量A").await;
    let patient_b = app.create_patient("批量B").await;

    let result = follow_up_service::batch_create_tasks(
        app.health_state(), app.tenant_id(), Some(app.operator_id()),
        BatchCreateTasksReq {
            patient_ids: vec![patient_a, patient_b],
            assigned_to: None,
            follow_up_type: "phone".to_string(),
            planned_date: chrono::NaiveDate::from_ymd_opt(2026, 5, 20).unwrap(),
            content_template: None,
        },
    )
    .await
    .expect("批量创建应成功");

    assert_eq!(result.succeeded, 2);
    assert_eq!(result.failed, 0);
}

// ---------------------------------------------------------------------------
// 测试 8: 创建随访记录
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_follow_up_record_create() {
    let app = TestApp::new().await;
    let patient_id = app.create_patient("记录患者").await;

    let task = follow_up_service::create_task(
        app.health_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_task(patient_id),
    )
    .await
    .unwrap();

    let record = follow_up_service::create_record(
        app.health_state(), app.tenant_id(), Some(app.operator_id()),
        CreateFollowUpRecordReq {
            task_id: task.id,
            executed_by: Some(app.operator_id()),
            executed_date: chrono::NaiveDate::from_ymd_opt(2026, 5, 16).unwrap(),
            result: "已跟进".to_string(),
            patient_condition: Some("血压正常".to_string()),
            medical_advice: Some("继续服药".to_string()),
            next_follow_up_date: Some(chrono::NaiveDate::from_ymd_opt(2026, 6, 16).unwrap()),
        },
    )
    .await
    .expect("创建记录应成功");

    assert_eq!(record.task_id, task.id);
    assert_eq!(record.result, "已跟进");
    assert_eq!(record.medical_advice, Some("继续服药".to_string()));
}

// ---------------------------------------------------------------------------
// 测试 9: 无效患者返回错误
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_follow_up_task_invalid_patient() {
    let app = TestApp::new().await;
    let fake_patient = uuid::Uuid::new_v4();

    let result = follow_up_service::create_task(
        app.health_state(), app.tenant_id(), None,
        default_create_task(fake_patient),
    )
    .await;
    assert!(result.is_err(), "无效患者应返回错误");
}