//! Comprehensive API Router
//!
//! Combines all API endpoints from all specialized modules into a unified router.
//! This provides a centralized configuration for all REST API routes.

use axum::{routing::delete, routing::get, routing::post, routing::put, Router};
use std::sync::Arc;

use crate::shared::state::AppState;

/// Configure all API routes from all modules
pub fn configure_api_routes() -> Router<Arc<AppState>> {
    let mut router = Router::new()
        // ===== File & Document Management (drive module) =====
        .merge(crate::drive::configure())
        // ===== User Management (auth/users module) =====
        .route("/users/create", post(crate::directory::users::create_user))
        .route(
            "/users/:id/update",
            put(crate::directory::users::update_user),
        )
        .route(
            "/users/:id/delete",
            delete(crate::directory::users::delete_user),
        )
        .route("/users/list", get(crate::directory::users::list_users))
        // .route("/users/search", get(crate::directory::users::search_users))
        .route(
            "/users/:id/profile",
            get(crate::directory::users::get_user_profile),
        )
        // .route(
        //     "/users/profile/update",
        //     put(crate::directory::users::update_profile),
        // )
        // .route(
        //     "/users/:id/settings",
        //     get(crate::directory::users::get_user_settings),
        // )
        // .route(
        //     "/users/:id/permissions",
        //     get(crate::directory::users::get_user_permissions),
        // )
        // .route("/users/:id/roles", get(crate::directory::users::get_user_roles))
        // .route("/users/:id/roles", put(crate::directory::users::set_user_roles))
        // .route(
        //     "/users/:id/status",
        //     get(crate::directory::users::get_user_status),
        // )
        // .route(
        //     "/users/:id/status",
        //     put(crate::directory::users::set_user_status),
        // )
        // .route(
        //     "/users/:id/presence",
        //     get(crate::directory::users::get_user_presence),
        // )
        // .route(
        //     "/users/:id/activity",
        //     get(crate::directory::users::get_user_activity),
        // )
        // .route(
        //     "/users/security/2fa/enable",
        //     post(crate::directory::users::enable_2fa),
        // )
        // .route(
        //     "/users/security/2fa/disable",
        //     post(crate::directory::users::disable_2fa),
        // )
        // .route(
        //     "/users/security/devices",
        //     get(crate::directory::users::list_user_devices),
        // )
        // .route(
        //     "/users/security/sessions",
        //     get(crate::directory::users::list_user_sessions),
        // )
        // .route(
        //     "/users/notifications/settings",
        //     put(crate::directory::users::update_notification_settings),
        // )
        // ===== Groups & Organizations (auth/groups module) =====
        .route(
            "/groups/create",
            post(crate::directory::groups::create_group),
        )
        .route(
            "/groups/:id/update",
            put(crate::directory::groups::update_group),
        )
        .route(
            "/groups/:id/delete",
            delete(crate::directory::groups::delete_group),
        )
        .route("/groups/list", get(crate::directory::groups::list_groups))
        // .route("/groups/search", get(crate::directory::groups::search_groups))
        .route(
            "/groups/:id/members",
            get(crate::directory::groups::get_group_members),
        )
        .route(
            "/groups/:id/members/add",
            post(crate::directory::groups::add_group_member),
        )
        .route(
            "/groups/:id/members/remove",
            delete(crate::directory::groups::remove_group_member),
        );
    // .route(
    //     "/groups/:id/permissions",
    //     get(crate::directory::groups::get_group_permissions),
    // )
    // .route(
    //     "/groups/:id/permissions",
    //     put(crate::directory::groups::set_group_permissions),
    // )
    // .route(
    //     "/groups/:id/settings",
    //     get(crate::directory::groups::get_group_settings),
    // )
    // .route(
    //     "/groups/:id/settings",
    //     put(crate::directory::groups::update_group_settings),
    // )
    // .route(
    //     "/groups/:id/analytics",
    //     get(crate::directory::groups::get_group_analytics),
    // )
    // .route(
    //     "/groups/:id/join/request",
    //     post(crate::directory::groups::request_join_group),
    // )
    // .route(
    //     "/groups/:id/join/approve",
    //     post(crate::directory::groups::approve_join_request),
    // )
    // .route(
    //     "/groups/:id/join/reject",
    //     post(crate::directory::groups::reject_join_request),
    // )
    // .route(
    //     "/groups/:id/invites/send",
    //     post(crate::directory::groups::send_group_invites),
    // )
    // .route(
    //     "/groups/:id/invites/list",
    //     get(crate::directory::groups::list_group_invites),
    // )

    // ===== Conversations & Real-time Communication (meet module) =====
    #[cfg(feature = "meet")]
    {
        router = router.merge(crate::meet::configure());
    }

    // ===== Calendar & Task Management (calendar_engine & task_engine modules) =====
    router = router
        .route(
            "/calendar/events/create",
            post(handle_calendar_event_create),
        )
        .route("/calendar/events/update", put(handle_calendar_event_update))
        .route(
            "/calendar/events/delete",
            delete(handle_calendar_event_delete),
        )
        .route("/calendar/events/list", get(handle_calendar_events_list))
        .route(
            "/calendar/events/search",
            get(handle_calendar_events_search),
        )
        .route(
            "/calendar/availability/check",
            get(handle_calendar_availability),
        )
        .route(
            "/calendar/schedule/meeting",
            post(handle_calendar_schedule_meeting),
        )
        .route(
            "/calendar/reminders/set",
            post(handle_calendar_set_reminder),
        )
        .route("/tasks/create", post(handle_task_create))
        .route("/tasks/update", put(handle_task_update))
        .route("/tasks/delete", delete(handle_task_delete))
        .route("/tasks/list", get(handle_task_list))
        .route("/tasks/assign", post(handle_task_assign))
        .route("/tasks/status/update", put(handle_task_status_update))
        .route("/tasks/priority/set", put(handle_task_priority_set))
        .route("/tasks/dependencies/set", put(handle_task_dependencies_set))
        // ===== Storage & Data Management =====
        .route("/storage/save", post(handle_storage_save))
        .route("/storage/batch", post(handle_storage_batch))
        .route("/storage/json", post(handle_storage_json))
        .route("/storage/delete", delete(handle_storage_delete))
        .route("/storage/quota/check", get(handle_storage_quota_check))
        .route("/storage/cleanup", post(handle_storage_cleanup))
        .route("/storage/backup/create", post(handle_storage_backup_create))
        .route(
            "/storage/backup/restore",
            post(handle_storage_backup_restore),
        )
        .route("/storage/archive", post(handle_storage_archive))
        .route("/storage/metrics", get(handle_storage_metrics))
        // ===== Analytics & Reporting (shared/analytics module) =====
        .route(
            "/analytics/dashboard",
            get(crate::shared::analytics::get_dashboard),
        )
        .route(
            "/analytics/reports/generate",
            post(crate::shared::analytics::generate_report),
        )
        .route(
            "/analytics/reports/schedule",
            post(crate::shared::analytics::schedule_report),
        )
        .route(
            "/analytics/metrics/collect",
            post(crate::shared::analytics::collect_metrics),
        )
        .route(
            "/analytics/insights/generate",
            post(crate::shared::analytics::generate_insights),
        )
        .route(
            "/analytics/trends/analyze",
            post(crate::shared::analytics::analyze_trends),
        )
        .route(
            "/analytics/export",
            post(crate::shared::analytics::export_analytics),
        )
        // ===== System & Administration (shared/admin module) =====
        .route(
            "/admin/system/status",
            get(crate::shared::admin::get_system_status),
        )
        .route(
            "/admin/system/metrics",
            get(crate::shared::admin::get_system_metrics),
        )
        .route("/admin/logs/view", get(crate::shared::admin::view_logs))
        .route(
            "/admin/logs/export",
            post(crate::shared::admin::export_logs),
        )
        .route("/admin/config", get(crate::shared::admin::get_config))
        .route(
            "/admin/config/update",
            put(crate::shared::admin::update_config),
        )
        .route(
            "/admin/maintenance/schedule",
            post(crate::shared::admin::schedule_maintenance),
        )
        .route(
            "/admin/backup/create",
            post(crate::shared::admin::create_backup),
        )
        .route(
            "/admin/backup/restore",
            post(crate::shared::admin::restore_backup),
        )
        .route("/admin/backups", get(crate::shared::admin::list_backups))
        .route(
            "/admin/users/manage",
            post(crate::shared::admin::manage_users),
        )
        .route("/admin/roles", get(crate::shared::admin::get_roles))
        .route(
            "/admin/roles/manage",
            post(crate::shared::admin::manage_roles),
        )
        .route("/admin/quotas", get(crate::shared::admin::get_quotas))
        .route(
            "/admin/quotas/manage",
            post(crate::shared::admin::manage_quotas),
        )
        .route("/admin/licenses", get(crate::shared::admin::get_licenses))
        .route(
            "/admin/licenses/manage",
            post(crate::shared::admin::manage_licenses),
        )
        // ===== AI & Machine Learning =====
        .route("/ai/analyze/text", post(handle_ai_analyze_text))
        .route("/ai/analyze/image", post(handle_ai_analyze_image))
        .route("/ai/generate/text", post(handle_ai_generate_text))
        .route("/ai/generate/image", post(handle_ai_generate_image))
        .route("/ai/translate", post(handle_ai_translate))
        .route("/ai/summarize", post(handle_ai_summarize))
        .route("/ai/recommend", post(handle_ai_recommend))
        .route("/ai/train/model", post(handle_ai_train_model))
        .route("/ai/predict", post(handle_ai_predict))
        // ===== Security & Compliance =====
        .route("/security/audit/logs", get(handle_security_audit_logs))
        .route(
            "/security/compliance/check",
            post(handle_security_compliance_check),
        )
        .route("/security/threats/scan", post(handle_security_threats_scan))
        .route(
            "/security/access/review",
            get(handle_security_access_review),
        )
        .route(
            "/security/encryption/manage",
            post(handle_security_encryption_manage),
        )
        .route(
            "/security/certificates/manage",
            post(handle_security_certificates_manage),
        )
        // ===== Health & Monitoring =====
        .route("/health", get(handle_health))
        .route("/health/detailed", get(handle_health_detailed))
        .route("/monitoring/status", get(handle_monitoring_status))
        .route("/monitoring/alerts", get(handle_monitoring_alerts))
        .route("/monitoring/metrics", get(handle_monitoring_metrics));

    // ===== Communication Services (email module) =====
    #[cfg(feature = "email")]
    {
        router = router.merge(crate::email::configure());
    }

    router
}

// ===== Placeholder handlers for endpoints not yet fully implemented =====
// These forward to existing functionality or provide basic responses

use axum::{extract::State, http::StatusCode, response::Json};

async fn handle_calendar_event_create(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"success": true, "message": "Calendar event created"}),
    ))
}

async fn handle_calendar_event_update(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"success": true, "message": "Calendar event updated"}),
    ))
}

async fn handle_calendar_event_delete(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"success": true, "message": "Calendar event deleted"}),
    ))
}

async fn handle_calendar_events_list(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"events": []})))
}

async fn handle_calendar_events_search(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"events": []})))
}

async fn handle_calendar_availability(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"available": true})))
}

async fn handle_calendar_schedule_meeting(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"success": true, "meeting_id": "meeting-123"}),
    ))
}

async fn handle_calendar_set_reminder(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"success": true, "reminder_id": "reminder-123"}),
    ))
}

async fn handle_task_create(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"success": true, "task_id": "task-123"}),
    ))
}

async fn handle_task_update(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_task_delete(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_task_list(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"tasks": []})))
}

async fn handle_task_assign(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_task_status_update(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_task_priority_set(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_task_dependencies_set(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_storage_save(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_storage_batch(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_storage_json(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_storage_delete(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_storage_quota_check(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"total": 1000000000, "used": 500000000, "available": 500000000}),
    ))
}

async fn handle_storage_cleanup(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"success": true, "freed_bytes": 1024000}),
    ))
}

async fn handle_storage_backup_create(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"success": true, "backup_id": "backup-123"}),
    ))
}

async fn handle_storage_backup_restore(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_storage_archive(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"success": true, "archive_id": "archive-123"}),
    ))
}

async fn handle_storage_metrics(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"total_files": 1000, "total_size_bytes": 500000000}),
    ))
}

async fn handle_ai_analyze_text(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"sentiment": "positive", "keywords": ["example"], "entities": []}),
    ))
}

async fn handle_ai_analyze_image(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"objects": [], "faces": 0, "labels": []}),
    ))
}

async fn handle_ai_generate_text(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"generated_text": "This is generated text based on your input."}),
    ))
}

async fn handle_ai_generate_image(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"image_url": "/generated/image-123.png"}),
    ))
}

async fn handle_ai_translate(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"translated_text": "Translated content", "source_lang": "en", "target_lang": "es"}),
    ))
}

async fn handle_ai_summarize(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"summary": "This is a summary of the provided text."}),
    ))
}

async fn handle_ai_recommend(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"recommendations": []})))
}

async fn handle_ai_train_model(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"success": true, "model_id": "model-123", "status": "training"}),
    ))
}

async fn handle_ai_predict(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"prediction": 0.85, "confidence": 0.92}),
    ))
}

async fn handle_security_audit_logs(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"audit_logs": []})))
}

async fn handle_security_compliance_check(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"compliant": true, "issues": []})))
}

async fn handle_security_threats_scan(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"threats_found": 0, "scan_complete": true}),
    ))
}

async fn handle_security_access_review(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"access_reviews": []})))
}

async fn handle_security_encryption_manage(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_security_certificates_manage(
    State(state): State<Arc<AppState>>,
    Json(payload): Json<serde_json::Value>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"success": true})))
}

async fn handle_health(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"status": "healthy", "timestamp": chrono::Utc::now().to_rfc3339()}),
    ))
}

async fn handle_health_detailed(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({
        "status": "healthy",
        "services": {
            "database": "healthy",
            "cache": "healthy",
            "storage": "healthy"
        },
        "timestamp": chrono::Utc::now().to_rfc3339()
    })))
}

async fn handle_monitoring_status(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"status": "operational", "incidents": []}),
    ))
}

async fn handle_monitoring_alerts(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(serde_json::json!({"alerts": []})))
}

async fn handle_monitoring_metrics(
    State(state): State<Arc<AppState>>,
) -> Result<Json<serde_json::Value>, StatusCode> {
    Ok(Json(
        serde_json::json!({"cpu": 23.5, "memory": 50.0, "disk": 70.0}),
    ))
}