use axum::Router;
use uuid::Uuid;

use erp_core::error::AppResult;
use erp_core::events::EventBus;
use erp_core::module::{ErpModule, PermissionDescriptor};

use crate::handler::{
    appointment_handler, article_handler, consultation_handler, doctor_handler, follow_up_handler,
    health_data_handler, patient_handler,
};

pub struct HealthModule;

impl HealthModule {
    pub fn new() -> Self {
        Self
    }

    pub fn public_routes<S>() -> Router<S>
    where
        crate::state::HealthState: axum::extract::FromRef<S>,
        S: Clone + Send + Sync + 'static,
    {
        Router::new()
    }

    pub fn protected_routes<S>() -> Router<S>
    where
        crate::state::HealthState: axum::extract::FromRef<S>,
        S: Clone + Send + Sync + 'static,
    {
        Router::new()
            // 患者管理
            .route(
                "/health/patients",
                axum::routing::get(patient_handler::list_patients)
                    .post(patient_handler::create_patient),
            )
            .route(
                "/health/patients/{id}",
                axum::routing::get(patient_handler::get_patient)
                    .put(patient_handler::update_patient)
                    .delete(patient_handler::delete_patient),
            )
            .route(
                "/health/patients/{id}/tags",
                axum::routing::post(patient_handler::manage_patient_tags),
            )
            .route(
                "/health/patients/{id}/health-summary",
                axum::routing::get(patient_handler::get_health_summary),
            )
            .route(
                "/health/patients/{id}/family-members",
                axum::routing::get(patient_handler::list_family_members)
                    .post(patient_handler::create_family_member),
            )
            .route(
                "/health/patients/{id}/family-members/{fid}",
                axum::routing::put(patient_handler::update_family_member)
                    .delete(patient_handler::delete_family_member),
            )
            .route(
                "/health/patients/{id}/doctors",
                axum::routing::post(patient_handler::assign_doctor),
            )
            .route(
                "/health/patients/{id}/doctors/{did}",
                axum::routing::delete(patient_handler::remove_doctor),
            )
            // 健康数据
            .route(
                "/health/patients/{id}/vital-signs",
                axum::routing::get(health_data_handler::list_vital_signs)
                    .post(health_data_handler::create_vital_signs),
            )
            .route(
                "/health/patients/{id}/vital-signs/{vid}",
                axum::routing::put(health_data_handler::update_vital_signs)
                    .delete(health_data_handler::delete_vital_signs),
            )
            .route(
                "/health/patients/{id}/lab-reports",
                axum::routing::get(health_data_handler::list_lab_reports)
                    .post(health_data_handler::create_lab_report),
            )
            .route(
                "/health/patients/{id}/lab-reports/{rid}",
                axum::routing::put(health_data_handler::update_lab_report)
                    .delete(health_data_handler::delete_lab_report),
            )
            .route(
                "/health/patients/{id}/health-records",
                axum::routing::get(health_data_handler::list_health_records)
                    .post(health_data_handler::create_health_record),
            )
            .route(
                "/health/patients/{id}/health-records/{rid}",
                axum::routing::put(health_data_handler::update_health_record)
                    .delete(health_data_handler::delete_health_record),
            )
            .route(
                "/health/patients/{id}/trends",
                axum::routing::get(health_data_handler::list_trends),
            )
            .route(
                "/health/patients/{id}/trends/generate",
                axum::routing::post(health_data_handler::generate_trend),
            )
            .route(
                "/health/patients/{id}/trends/{indicator}",
                axum::routing::get(health_data_handler::get_indicator_timeseries),
            )
            // 小程序趋势查询（通过 JWT user_id 关联 patient，无需传 patient_id）
            .route(
                "/health/vital-signs/trend",
                axum::routing::get(health_data_handler::get_mini_trend),
            )
            // 小程序今日体征摘要
            .route(
                "/health/vital-signs/today",
                axum::routing::get(health_data_handler::get_mini_today),
            )
            // 预约排班
            .route(
                "/health/appointments",
                axum::routing::get(appointment_handler::list_appointments)
                    .post(appointment_handler::create_appointment),
            )
            .route(
                "/health/appointments/{id}/status",
                axum::routing::put(appointment_handler::update_appointment_status),
            )
            .route(
                "/health/doctor-schedules",
                axum::routing::get(appointment_handler::list_schedules)
                    .post(appointment_handler::create_schedule),
            )
            .route(
                "/health/doctor-schedules/{id}",
                axum::routing::put(appointment_handler::update_schedule),
            )
            .route(
                "/health/doctor-schedules/calendar",
                axum::routing::get(appointment_handler::calendar_view),
            )
            // 随访管理
            .route(
                "/health/follow-up-tasks",
                axum::routing::get(follow_up_handler::list_tasks)
                    .post(follow_up_handler::create_task),
            )
            .route(
                "/health/follow-up-tasks/{id}",
                axum::routing::put(follow_up_handler::update_task)
                    .delete(follow_up_handler::delete_task),
            )
            .route(
                "/health/follow-up-tasks/{id}/records",
                axum::routing::post(follow_up_handler::create_record),
            )
            .route(
                "/health/follow-up-records",
                axum::routing::get(follow_up_handler::list_records),
            )
            // 咨询管理
            .route(
                "/health/consultation-sessions",
                axum::routing::get(consultation_handler::list_sessions)
                    .post(consultation_handler::create_session),
            )
            .route(
                "/health/consultation-sessions/{id}/messages",
                axum::routing::get(consultation_handler::list_messages),
            )
            .route(
                "/health/consultation-sessions/{id}/close",
                axum::routing::put(consultation_handler::close_session),
            )
            .route(
                "/health/consultation-messages",
                axum::routing::post(consultation_handler::create_message),
            )
            .route(
                "/health/consultation-sessions/export",
                axum::routing::get(consultation_handler::export_sessions),
            )
            // 医护管理
            .route(
                "/health/doctors",
                axum::routing::get(doctor_handler::list_doctors)
                    .post(doctor_handler::create_doctor),
            )
            .route(
                "/health/doctors/{id}",
                axum::routing::get(doctor_handler::get_doctor)
                    .put(doctor_handler::update_doctor)
                    .delete(doctor_handler::delete_doctor),
            )
            // 健康资讯
            .route(
                "/health/articles",
                axum::routing::get(article_handler::list_articles),
            )
            .route(
                "/health/articles/{id}",
                axum::routing::get(article_handler::get_article),
            )
    }
}

impl Default for HealthModule {
    fn default() -> Self {
        Self::new()
    }
}

#[async_trait::async_trait]
impl ErpModule for HealthModule {
    fn name(&self) -> &str {
        "health"
    }

    fn version(&self) -> &str {
        env!("CARGO_PKG_VERSION")
    }

    fn dependencies(&self) -> Vec<&str> {
        vec!["auth"]
    }

    fn register_event_handlers(&self, bus: &EventBus) {
        crate::event::register_handlers(bus);
    }

    async fn on_tenant_created(
        &self,
        tenant_id: Uuid,
        db: &sea_orm::DatabaseConnection,
        _event_bus: &EventBus,
    ) -> AppResult<()> {
        crate::service::seed::seed_tenant_health(db, tenant_id)
            .await
            .map_err(|e| erp_core::error::AppError::Internal(e.to_string()))?;
        tracing::info!(tenant_id = %tenant_id, "Health module tenant initialized");
        Ok(())
    }

    async fn on_tenant_deleted(
        &self,
        tenant_id: Uuid,
        db: &sea_orm::DatabaseConnection,
    ) -> AppResult<()> {
        crate::service::seed::soft_delete_tenant_data(db, tenant_id)
            .await
            .map_err(|e| erp_core::error::AppError::Internal(e.to_string()))?;
        tracing::info!(tenant_id = %tenant_id, "Health module tenant data soft-deleted");
        Ok(())
    }

    fn permissions(&self) -> Vec<PermissionDescriptor> {
        vec![
            PermissionDescriptor {
                code: "health.patient.list".into(),
                name: "查看患者列表".into(),
                description: "查看和搜索患者列表、详情".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.patient.manage".into(),
                name: "管理患者".into(),
                description: "创建、编辑、删除患者".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.health-data.list".into(),
                name: "查看健康数据".into(),
                description: "查看体检记录、监测数据、化验报告".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.health-data.manage".into(),
                name: "管理健康数据".into(),
                description: "录入、编辑、删除健康数据".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.appointment.list".into(),
                name: "查看预约".into(),
                description: "查看预约列表和排班".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.appointment.manage".into(),
                name: "管理预约".into(),
                description: "创建、确认、取消预约".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.follow-up.list".into(),
                name: "查看随访".into(),
                description: "查看随访任务和记录".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.follow-up.manage".into(),
                name: "管理随访".into(),
                description: "创建、分配、完成随访任务".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.consultation.list".into(),
                name: "查看咨询".into(),
                description: "查看咨询会话和消息记录".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.consultation.manage".into(),
                name: "管理咨询".into(),
                description: "关闭会话、导出记录".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.doctor.list".into(),
                name: "查看医护".into(),
                description: "查看医护列表和详情".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.doctor.manage".into(),
                name: "管理医护".into(),
                description: "创建、编辑医护档案、排班".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.articles.list".into(),
                name: "查看资讯".into(),
                description: "查看健康资讯文章列表和详情".into(),
                module: "health".into(),
            },
            PermissionDescriptor {
                code: "health.articles.manage".into(),
                name: "管理资讯".into(),
                description: "创建、编辑、删除健康资讯文章".into(),
                module: "health".into(),
            },
        ]
    }

    fn as_any(&self) -> &dyn std::any::Any {
        self
    }
}