import { createClient, SupabaseClient } from "@supabase/supabase-js";
import { createBrowserClient } from "@supabase/ssr";

export type SupabaseServiceClient = SupabaseClient<Database>;

export interface Database {
  public: {
    Tables: {
      email_queue: {
        Row: {
          id: string;
          mail_from: string;
          mail_to: string;
          reply_to: string | null;
          subject: string;
          html: string;
          body_text: string;
          status: string;
          retry_count: number;
          next_retry_at: string;
          error_last: string | null;
          created_at: string;
        };
        Insert: {
          id?: string;
          mail_from: string;
          mail_to: string;
          reply_to?: string | null;
          subject: string;
          html: string;
          body_text: string;
          status?: string;
          retry_count?: number;
          next_retry_at?: string;
          error_last?: string | null;
          created_at?: string;
        };
        Update: {
          status?: string;
          retry_count?: number;
          next_retry_at?: string;
          error_last?: string | null;
        };
        Relationships: [];
      };
      admin_users: {
        Row: {
          id: string;
          email: string;
          name: string | null;
          password_hash: string;
          aktiv: boolean;
          created_at: string;
        };
        Insert: {
          id?: string;
          email: string;
          name?: string | null;
          password_hash: string;
          aktiv?: boolean;
          created_at?: string;
        };
        Update: {
          email?: string;
          name?: string | null;
          password_hash?: string;
          aktiv?: boolean;
        };
        Relationships: [];
      };
      admin_audit_logs: {
        Row: {
          id: string;
          email: string;
          ip_addr: string;
          user_agent: string;
          success: boolean;
          reason: string | null;
          timestamp: string;
        };
        Insert: {
          id?: string;
          email: string;
          ip_addr: string;
          user_agent: string;
          success: boolean;
          reason?: string | null;
          timestamp?: string;
        };
        Update: Record<string, never>;
        Relationships: [];
      };
      admin_session_blacklist: {
        Row: {
          id: string;
          admin_id: string;
          token_signature: string;
          revoked_at: string;
          reason: string;
          notes: string | null;
        };
        Insert: {
          id?: string;
          admin_id: string;
          token_signature: string;
          revoked_at?: string;
          reason: string;
          notes?: string | null;
        };
        Update: Record<string, never>;
        Relationships: [];
      };
      action_token_blacklist: {
        Row: {
          id: string;
          anfrage_id: string;
          token_signature: string;
          action_type: string;
          used_at: string;
          used_by_ip: string | null;
          notes: string | null;
        };
        Insert: {
          id?: string;
          anfrage_id: string;
          token_signature: string;
          action_type: string;
          used_at?: string;
          used_by_ip?: string | null;
          notes?: string | null;
        };
        Update: Record<string, never>;
        Relationships: [];
      };
      page_views: {
        Row: {
          id: string;
          path: string;
          timestamp: string;
          ip_anon: string | null;
          device_type: string | null;
          browser: string | null;
          os: string | null;
          referrer: string | null;
          session_id: string;
          duration_ms: number | null;
          is_bot: boolean;
        };
        Insert: {
          id?: string;
          path: string;
          timestamp?: string;
          ip_anon?: string | null;
          device_type?: string | null;
          browser?: string | null;
          os?: string | null;
          referrer?: string | null;
          session_id: string;
          duration_ms?: number | null;
          is_bot?: boolean;
        };
        Update: {
          duration_ms?: number | null;
        };
        Relationships: [];
      };
      phone_clicks: {
        Row: {
          id: number;
          phone_number: string;
          source_page: string;
          source_element: string;
          session_id: string | null;
          ip_anonymized: string | null;
          device_type: string | null;
          browser: string | null;
          os: string | null;
          timestamp: string;
        };
        Insert: {
          phone_number: string;
          source_page: string;
          source_element: string;
          session_id?: string | null;
          ip_anonymized?: string | null;
          device_type?: string | null;
          browser?: string | null;
          os?: string | null;
          timestamp?: string;
        };
        Update: Record<string, never>;
        Relationships: [];
      };
      anfragen: {
        Row: {
          id: string;
          name: string;
          email: string;
          betreff: string;
          nachricht: string | null;
          status: string;
          admin_notizen: string | null;
          kunde_id: string | null;
          created_at: string;
        };
        Insert: {
          id?: string;
          name: string;
          email: string;
          betreff: string;
          nachricht?: string | null;
          status?: string;
          admin_notizen?: string | null;
          kunde_id?: string | null;
          created_at?: string;
        };
        Update: {
          status?: string;
          admin_notizen?: string | null;
        };
        Relationships: [];
      };
    };
    Views: Record<string, never>;
    Functions: Record<string, never>;
    Enums: Record<string, never>;
    CompositeTypes: Record<string, never>;
  };
}

let serviceClient: SupabaseServiceClient | null = null;

export function createServiceClient(): SupabaseServiceClient {
  if (serviceClient) return serviceClient;

  const url = process.env.SUPABASE_URL;
  const key = process.env.SUPABASE_SERVICE_ROLE_KEY;

  if (!url || !key) {
    throw new Error("SUPABASE_URL oder SUPABASE_SERVICE_ROLE_KEY fehlt in .env.local");
  }

  serviceClient = createClient<Database>(url, key, {
    auth: { persistSession: false },
  });

  return serviceClient;
}

export function createBrowserSupabaseClient() {
  return createBrowserClient<Database>(
    process.env.NEXT_PUBLIC_SUPABASE_URL!,
    process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!
  );
}