//! erp-health 预约排班集成测试
//!
//! 验证预约 CRUD、租户隔离、CAS 排班名额等核心行为。
//! 使用 TestDb 创建隔离 PostgreSQL 数据库，直接调用 service 层函数。
//! 预约创建依赖患者 + 医护档案 + 排班三条前置数据。

use erp_core::events::EventBus;
use erp_health::dto::appointment_dto::CreateAppointmentReq;
use erp_health::dto::doctor_dto::CreateDoctorReq;
use erp_health::dto::patient_dto::CreatePatientReq;
use erp_health::service::{
    appointment_service, doctor_service, patient_service,
};
use erp_health::state::HealthState;
use erp_core::crypto::PiiCrypto;

use super::test_db::TestDb;

/// 构建测试用 HealthState
fn make_state(db: &sea_orm::DatabaseConnection) -> HealthState {
    HealthState {
        db: db.clone(),
        event_bus: EventBus::new(100),
        crypto: PiiCrypto::dev_default(),
    }
}

/// 创建患者并返回其 ID
async fn seed_patient(
    state: &HealthState,
    tenant_id: uuid::Uuid,
    name: &str,
) -> uuid::Uuid {
    let req = CreatePatientReq {
        name: name.to_string(),
        gender: Some("male".to_string()),
        birth_date: None,
        blood_type: None,
        id_number: None,
        allergy_history: None,
        medical_history_summary: None,
        emergency_contact_name: None,
        emergency_contact_phone: None,
        source: None,
        notes: None,
    };
    let patient = patient_service::create_patient(state, tenant_id, None, req)
        .await
        .expect("创建患者应成功");
    patient.id
}

/// 创建医护档案并返回其 ID
async fn seed_doctor(
    state: &HealthState,
    tenant_id: uuid::Uuid,
    name: &str,
) -> uuid::Uuid {
    let req = CreateDoctorReq {
        user_id: None,
        name: name.to_string(),
        department: Some("内科".to_string()),
        title: Some("主治医师".to_string()),
        specialty: Some("心血管内科".to_string()),
        license_number: None,
        bio: None,
    };
    let doctor = doctor_service::create_doctor(state, tenant_id, None, req)
        .await
        .expect("创建医护档案应成功");
    doctor.id
}

/// 创建排班并返回其 ID
async fn seed_schedule(
    state: &HealthState,
    tenant_id: uuid::Uuid,
    doctor_id: uuid::Uuid,
    date: chrono::NaiveDate,
) -> uuid::Uuid {
    let req = erp_health::dto::appointment_dto::CreateScheduleReq {
        doctor_id,
        schedule_date: date,
        period_type: Some("am".to_string()),
        start_time: chrono::NaiveTime::from_hms_opt(9, 0, 0).unwrap(),
        end_time: chrono::NaiveTime::from_hms_opt(12, 0, 0).unwrap(),
        max_appointments: 10,
    };
    let schedule = appointment_service::create_schedule(state, tenant_id, None, req)
        .await
        .expect("创建排班应成功");
    schedule.id
}

// ---------------------------------------------------------------------------
// 测试 1: 创建预约
// ---------------------------------------------------------------------------

#[tokio::test]
async fn test_create_appointment() {
    let test_db = TestDb::new().await;
    let state = make_state(test_db.db());
    let tenant_id = uuid::Uuid::new_v4();
    let operator_id = uuid::Uuid::new_v4();

    // 前置：患者 + 医护 + 排班
    let patient_id = seed_patient(&state, tenant_id, "预约测试患者").await;
    let doctor_id = seed_doctor(&state, tenant_id, "预约测试医生").await;
    let date = chrono::NaiveDate::from_ymd_opt(2026, 5, 10).unwrap();
    seed_schedule(&state, tenant_id, doctor_id, date).await;

    let req = CreateAppointmentReq {
        patient_id,
        doctor_id: Some(doctor_id),
        appointment_type: Some("outpatient".to_string()),
        appointment_date: date,
        start_time: chrono::NaiveTime::from_hms_opt(9, 0, 0).unwrap(),
        end_time: chrono::NaiveTime::from_hms_opt(9, 30, 0).unwrap(),
        notes: Some("首次就诊".to_string()),
    };

    let appointment =
        appointment_service::create_appointment(&state, tenant_id, Some(operator_id), req)
            .await
            .expect("创建预约应成功");

    assert_eq!(appointment.patient_id, patient_id);
    assert_eq!(appointment.doctor_id, Some(doctor_id));
    assert_eq!(appointment.appointment_type, "outpatient");
    assert_eq!(appointment.status, "pending");
    assert_eq!(appointment.version, 1);
    assert_eq!(
        appointment.notes,
        Some("首次就诊".to_string())
    );

    // 通过 get_appointment 验证存储正确
    let found = appointment_service::get_appointment(&state, tenant_id, appointment.id)
        .await
        .expect("查询预约应成功");
    assert_eq!(found.id, appointment.id);
    assert_eq!(found.status, "pending");
    assert_eq!(found.version, 1);
}

// ---------------------------------------------------------------------------
// 测试 2: 列表查询 — 创建 2 条预约后验证分页计数
// ---------------------------------------------------------------------------

#[tokio::test]
async fn test_list_appointments() {
    let test_db = TestDb::new().await;
    let state = make_state(test_db.db());
    let tenant_id = uuid::Uuid::new_v4();

    let patient_id = seed_patient(&state, tenant_id, "列表测试患者").await;
    let doctor_id = seed_doctor(&state, tenant_id, "列表测试医生").await;
    let date = chrono::NaiveDate::from_ymd_opt(2026, 5, 12).unwrap();
    seed_schedule(&state, tenant_id, doctor_id, date).await;

    // 创建 2 条预约（同一个排班时段，CAS 按排班 start_time 匹配）
    for _i in 0..2 {
        let req = CreateAppointmentReq {
            patient_id,
            doctor_id: Some(doctor_id),
            appointment_type: None,
            appointment_date: date,
            start_time: chrono::NaiveTime::from_hms_opt(9, 0, 0).unwrap(),
            end_time: chrono::NaiveTime::from_hms_opt(9, 30, 0).unwrap(),
            notes: None,
        };
        appointment_service::create_appointment(&state, tenant_id, None, req)
            .await
            .expect("创建预约应成功");
    }

    let result = appointment_service::list_appointments(
        &state,
        tenant_id,
        1,
        10,
        None,
        None,
        None,
        None,
    )
    .await
    .expect("列表查询应成功");

    assert_eq!(result.total, 2, "应有 2 条预约记录");
    assert_eq!(result.data.len(), 2, "当前页应返回 2 条");
}

// ---------------------------------------------------------------------------
// 测试 3: 租户隔离 — 租户 A 的预约对租户 B 不可见
// ---------------------------------------------------------------------------

#[tokio::test]
async fn test_appointment_tenant_isolation() {
    let test_db = TestDb::new().await;
    let state = make_state(test_db.db());
    let tenant_a = uuid::Uuid::new_v4();
    let tenant_b = uuid::Uuid::new_v4();

    // 租户 A 创建完整链路：患者 + 医护 + 排班 + 预约
    let patient_a = seed_patient(&state, tenant_a, "租户A患者").await;
    let doctor_a = seed_doctor(&state, tenant_a, "租户A医生").await;
    let date = chrono::NaiveDate::from_ymd_opt(2026, 6, 1).unwrap();
    seed_schedule(&state, tenant_a, doctor_a, date).await;

    let req = CreateAppointmentReq {
        patient_id: patient_a,
        doctor_id: Some(doctor_a),
        appointment_type: None,
        appointment_date: date,
        start_time: chrono::NaiveTime::from_hms_opt(9, 0, 0).unwrap(),
        end_time: chrono::NaiveTime::from_hms_opt(9, 30, 0).unwrap(),
        notes: None,
    };
    let appointment_a =
        appointment_service::create_appointment(&state, tenant_a, None, req)
            .await
            .expect("租户 A 创建预约应成功");

    // 租户 B 列表查询应看不到租户 A 的预约
    let result_b = appointment_service::list_appointments(
        &state,
        tenant_b,
        1,
        10,
        None,
        None,
        None,
        None,
    )
    .await
    .expect("租户 B 列表查询应成功");
    assert_eq!(result_b.total, 0, "租户 B 不应看到租户 A 的预约");
    assert!(result_b.data.is_empty());

    // 租户 B 通过 ID 查询租户 A 的预约应返回错误
    let lookup_result =
        appointment_service::get_appointment(&state, tenant_b, appointment_a.id).await;
    assert!(
        lookup_result.is_err(),
        "跨租户查询预约应返回错误"
    );
}