import { serve } from 'https://deno.land/std@0.168.0/http/server.ts';
import { createClient } from 'https://esm.sh/@supabase/supabase-js@2.57.4';
import { edgeLogger } from '../_shared/logger.ts';

const corsHeaders = {
  'Access-Control-Allow-Origin': '*',
  'Access-Control-Allow-Headers': 'authorization, x-client-info, apikey, content-type',
};

serve(async (req: Request) => {
  if (req.method === 'OPTIONS') {
    return new Response(null, { headers: corsHeaders });
  }

  const requestId = crypto.randomUUID();

  try {
    edgeLogger.info('Starting scheduled maintenance', { requestId });

    const supabase = createClient(
      Deno.env.get('SUPABASE_URL')!,
      Deno.env.get('SUPABASE_SERVICE_ROLE_KEY')!
    );

    // Run system maintenance (orphaned image cleanup)
    const { data, error } = await supabase.rpc('run_system_maintenance');
    
    if (error) {
      edgeLogger.error('Maintenance failed', { requestId, error: error.message });
      return new Response(
        JSON.stringify({ 
          success: false, 
          error: error.message,
          requestId 
        }), 
        { 
          status: 500,
          headers: { ...corsHeaders, 'Content-Type': 'application/json' }
        }
      );
    }

    edgeLogger.info('Maintenance completed successfully', { 
      requestId, 
      result: data 
    });

    return new Response(
      JSON.stringify({ 
        success: true, 
        result: data,
        requestId 
      }), 
      { 
        status: 200,
        headers: { ...corsHeaders, 'Content-Type': 'application/json' }
      }
    );
  } catch (error) {
    edgeLogger.error('Maintenance exception', { 
      requestId, 
      error: error instanceof Error ? error.message : String(error) 
    });
    
    return new Response(
      JSON.stringify({ 
        success: false, 
        error: 'Internal server error',
        requestId 
      }), 
      { 
        status: 500,
        headers: { ...corsHeaders, 'Content-Type': 'application/json' }
      }
    );
  }
});