//! erp-dialysis 透析记录集成测试
//!
//! 验证透析 CRUD、状态流转、PII 加密、乐观锁、租户隔离等核心行为。

use chrono::{NaiveDate, NaiveTime};
use erp_dialysis::dto::dialysis_dto::*;
use erp_dialysis::service::dialysis_service;

use super::test_fixture::TestApp;

fn default_create_req(patient_id: uuid::Uuid) -> CreateDialysisRecordReq {
    CreateDialysisRecordReq {
        patient_id,
        dialysis_date: NaiveDate::from_ymd_opt(2026, 5, 1).unwrap(),
        start_time: Some(NaiveTime::from_hms_opt(8, 0, 0).unwrap()),
        end_time: Some(NaiveTime::from_hms_opt(12, 0, 0).unwrap()),
        dry_weight: Some(65.0),
        pre_weight: Some(68.0),
        post_weight: Some(65.5),
        pre_bp_systolic: Some(140),
        pre_bp_diastolic: Some(90),
        post_bp_systolic: Some(130),
        post_bp_diastolic: Some(85),
        pre_heart_rate: Some(80),
        post_heart_rate: Some(75),
        ultrafiltration_volume: Some(2500),
        dialysis_duration: Some(240),
        blood_flow_rate: Some(300),
        dialysis_type: "HD".to_string(),
        symptoms: None,
        complication_notes: Some("无并发症".to_string()),
    }
}

// ---------------------------------------------------------------------------
// 测试 1: 创建透析记录基本 CRUD
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_dialysis_create_basic() {
    let app = TestApp::new().await;
    let patient_id = app.create_patient("透析患者").await;

    let req = default_create_req(patient_id);
    let record = dialysis_service::create_dialysis_record(
        app.dialysis_state(), app.tenant_id(), Some(app.operator_id()), req,
    )
    .await
    .expect("创建透析记录应成功");

    assert_eq!(record.patient_id, patient_id);
    assert_eq!(record.dialysis_type, "HD");
    assert_eq!(record.status, "draft");
    assert_eq!(record.ultrafiltration_volume, Some(2500));

    // 读取
    let fetched = dialysis_service::get_dialysis_record(
        app.dialysis_state(), app.tenant_id(), record.id,
    )
    .await
    .expect("查询应成功");
    assert_eq!(fetched.id, record.id);
}

// ---------------------------------------------------------------------------
// 测试 2: PII 字段加密存储
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_dialysis_create_pii_encrypted() {
    let app = TestApp::new().await;
    let patient_id = app.create_patient("PII患者").await;

    let mut req = default_create_req(patient_id);
    req.symptoms = Some(serde_json::json!({"头晕": "轻度", "恶心": "无"}));
    req.complication_notes = Some("低血压发作".to_string());

    let record = dialysis_service::create_dialysis_record(
        app.dialysis_state(), app.tenant_id(), Some(app.operator_id()), req,
    )
    .await
    .expect("创建应成功");

    // 通过 service 读取应自动解密
    assert!(record.symptoms.is_some());
    assert_eq!(record.complication_notes, Some("低血压发作".to_string()));
}

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

    let record = dialysis_service::create_dialysis_record(
        app.dialysis_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_req(patient_id),
    )
    .await
    .unwrap();
    assert_eq!(record.status, "draft");

    // 先将状态推进到 completed（draft → completed → reviewed）
    use sea_orm::{EntityTrait, ColumnTrait, QueryFilter};
    use erp_dialysis::entity::dialysis_record;
    let _ = dialysis_record::Entity::update_many()
        .col_expr(dialysis_record::Column::Status, sea_orm::sea_query::Expr::val("completed").into())
        .col_expr(dialysis_record::Column::Version, sea_orm::sea_query::Expr::val(record.version + 1).into())
        .filter(dialysis_record::Column::Id.eq(record.id))
        .exec(app.db())
        .await
        .expect("状态推进应成功");

    // 审核: completed → reviewed
    let reviewed = dialysis_service::review_dialysis_record(
        app.dialysis_state(), app.tenant_id(), record.id, app.operator_id(), record.version + 1,
    )
    .await
    .expect("审核应成功");
    assert_eq!(reviewed.status, "reviewed");
    assert!(reviewed.reviewed_by.is_some());
}

// ---------------------------------------------------------------------------
// 测试 4: 按患者 ID 过滤列表
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_dialysis_list_by_patient() {
    let app = TestApp::new().await;
    let patient_a = app.create_patient("列表患者A").await;
    let patient_b = app.create_patient("列表患者B").await;

    dialysis_service::create_dialysis_record(
        app.dialysis_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_req(patient_a),
    )
    .await
    .unwrap();

    dialysis_service::create_dialysis_record(
        app.dialysis_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_req(patient_a),
    )
    .await
    .unwrap();

    dialysis_service::create_dialysis_record(
        app.dialysis_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_req(patient_b),
    )
    .await
    .unwrap();

    let list_a = dialysis_service::list_dialysis_records(
        app.dialysis_state(), app.tenant_id(), patient_a, 1, 20,
    )
    .await
    .unwrap();
    assert_eq!(list_a.total, 2);

    let list_b = dialysis_service::list_dialysis_records(
        app.dialysis_state(), app.tenant_id(), patient_b, 1, 20,
    )
    .await
    .unwrap();
    assert_eq!(list_b.total, 1);
}

// ---------------------------------------------------------------------------
// 测试 5: 租户隔离
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_dialysis_tenant_isolation() {
    let app = TestApp::new().await;
    let patient_id = app.create_patient("隔离患者").await;

    let record = dialysis_service::create_dialysis_record(
        app.dialysis_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_req(patient_id),
    )
    .await
    .unwrap();

    // 用不同 tenant_id 查询应失败
    let other_tenant = uuid::Uuid::new_v4();
    let result = dialysis_service::get_dialysis_record(
        app.dialysis_state(), other_tenant, record.id,
    )
    .await;
    assert!(result.is_err(), "不同租户不应看到此记录");
}

// ---------------------------------------------------------------------------
// 测试 6: 乐观锁 — 旧版本更新拒绝
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_dialysis_version_conflict() {
    let app = TestApp::new().await;
    let patient_id = app.create_patient("乐观锁患者").await;

    let record = dialysis_service::create_dialysis_record(
        app.dialysis_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_req(patient_id),
    )
    .await
    .unwrap();

    // 用正确版本更新
    let updated = dialysis_service::update_dialysis_record(
        app.dialysis_state(), app.tenant_id(), record.id, Some(app.operator_id()),
        UpdateDialysisRecordReq {
            dialysis_date: None, start_time: None, end_time: None,
            dry_weight: None, pre_weight: None, post_weight: None,
            pre_bp_systolic: None, pre_bp_diastolic: None,
            post_bp_systolic: None, post_bp_diastolic: None,
            pre_heart_rate: None, post_heart_rate: None,
            ultrafiltration_volume: None, dialysis_duration: None,
            blood_flow_rate: None,
            dialysis_type: Some("HDF".to_string()),
            symptoms: None, complication_notes: None,
        },
        record.version,
    )
    .await
    .expect("更新应成功");
    assert_eq!(updated.dialysis_type, "HDF");

    // 用旧版本更新应失败
    let result = dialysis_service::update_dialysis_record(
        app.dialysis_state(), app.tenant_id(), record.id, Some(app.operator_id()),
        UpdateDialysisRecordReq {
            dialysis_date: None, start_time: None, end_time: None,
            dry_weight: None, pre_weight: None, post_weight: None,
            pre_bp_systolic: None, pre_bp_diastolic: None,
            post_bp_systolic: None, post_bp_diastolic: None,
            pre_heart_rate: None, post_heart_rate: None,
            ultrafiltration_volume: None, dialysis_duration: None,
            blood_flow_rate: None,
            dialysis_type: Some("HD".to_string()),
            symptoms: None, complication_notes: None,
        },
        record.version, // 旧版本
    )
    .await;
    assert!(result.is_err(), "旧版本更新应失败");
}

// ---------------------------------------------------------------------------
// 测试 7: 软删除后不可见
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_dialysis_soft_delete() {
    let app = TestApp::new().await;
    let patient_id = app.create_patient("软删除患者").await;

    let record = dialysis_service::create_dialysis_record(
        app.dialysis_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_req(patient_id),
    )
    .await
    .unwrap();

    // 删除
    dialysis_service::delete_dialysis_record(
        app.dialysis_state(), app.tenant_id(), record.id, Some(app.operator_id()), record.version,
    )
    .await
    .expect("删除应成功");

    // 查询应失败
    let result = dialysis_service::get_dialysis_record(
        app.dialysis_state(), app.tenant_id(), record.id,
    )
    .await;
    assert!(result.is_err(), "软删除后应不可见");

    // 列表中不应出现
    let list = dialysis_service::list_dialysis_records(
        app.dialysis_state(), app.tenant_id(), patient_id, 1, 20,
    )
    .await
    .unwrap();
    assert_eq!(list.total, 0);
}

// ---------------------------------------------------------------------------
// 测试 8: 无效患者 ID 返回错误
// ---------------------------------------------------------------------------
#[tokio::test]
async fn test_dialysis_create_without_patient_returns_error() {
    let app = TestApp::new().await;
    let fake_patient = uuid::Uuid::new_v4();

    let result = dialysis_service::create_dialysis_record(
        app.dialysis_state(), app.tenant_id(), Some(app.operator_id()),
        default_create_req(fake_patient),
    )
    .await;
    assert!(result.is_err(), "无效患者应返回错误");
}