thrilltrack-explorer/src/hooks/moderation/useModerationActions.ts

import { useCallback } from 'react';
import { supabase } from '@/integrations/supabase/client';
import { useToast } from '@/hooks/use-toast';
import { logger } from '@/lib/logger';
import { getErrorMessage } from '@/lib/errorHandler';
import type { User } from '@supabase/supabase-js';
import type { ModerationItem } from '@/types/moderation';

/**
 * Configuration for moderation actions
 */
export interface ModerationActionsConfig {
  user: User | null;
  onActionStart: (itemId: string) => void;
  onActionComplete: () => void;
  currentLockSubmissionId?: string | null;
}

/**
 * Return type for useModerationActions
 */
export interface ModerationActions {
  performAction: (item: ModerationItem, action: 'approved' | 'rejected', moderatorNotes?: string) => Promise<void>;
  deleteSubmission: (item: ModerationItem) => Promise<void>;
  resetToPending: (item: ModerationItem) => Promise<void>;
  retryFailedItems: (item: ModerationItem) => Promise<void>;
}

/**
 * Hook for moderation action handlers
 * Extracted from useModerationQueueManager for better separation of concerns
 * 
 * @param config - Configuration object with user, callbacks, and dependencies
 * @returns Object with action handler functions
 */
export function useModerationActions(config: ModerationActionsConfig): ModerationActions {
  const { user, onActionStart, onActionComplete } = config;
  const { toast } = useToast();

  /**
   * Perform moderation action (approve/reject)
   */
  const performAction = useCallback(
    async (item: ModerationItem, action: 'approved' | 'rejected', moderatorNotes?: string) => {
      onActionStart(item.id);

      try {
        // Handle photo submissions
        if (action === 'approved' && item.submission_type === 'photo') {
          const { data: photoSubmission, error: fetchError } = await supabase
            .from('photo_submissions')
            .select(`
              *,
              items:photo_submission_items(*),
              submission:content_submissions!inner(user_id)
            `)
            .eq('submission_id', item.id)
            .single();

          // Add explicit error handling
          if (fetchError) {
            throw new Error(`Failed to fetch photo submission: ${fetchError.message}`);
          }

          if (!photoSubmission) {
            throw new Error('Photo submission not found');
          }

          // Type assertion with validation
          const typedPhotoSubmission = photoSubmission as {
            id: string;
            entity_id: string;
            entity_type: string;
            items: Array<{
              id: string;
              cloudflare_image_id: string;
              cloudflare_image_url: string;
              caption?: string;
              title?: string;
              date_taken?: string;
              date_taken_precision?: string;
              order_index: number;
            }>;
            submission: { user_id: string };
          };

          // Validate required fields
          if (!typedPhotoSubmission.items || typedPhotoSubmission.items.length === 0) {
            throw new Error('No photo items found in submission');
          }

          const { data: existingPhotos } = await supabase
            .from('photos')
            .select('id')
            .eq('submission_id', item.id);

          if (!existingPhotos || existingPhotos.length === 0) {
            const photoRecords = typedPhotoSubmission.items.map((photoItem) => ({
              entity_id: typedPhotoSubmission.entity_id,
              entity_type: typedPhotoSubmission.entity_type,
              cloudflare_image_id: photoItem.cloudflare_image_id,
              cloudflare_image_url: photoItem.cloudflare_image_url,
              title: photoItem.title || null,
              caption: photoItem.caption || null,
              date_taken: photoItem.date_taken || null,
              order_index: photoItem.order_index,
              submission_id: item.id,
              submitted_by: typedPhotoSubmission.submission?.user_id,
              approved_by: user?.id,
              approved_at: new Date().toISOString(),
            }));

            await supabase.from('photos').insert(photoRecords);
          }
        }

        // Check for submission items
        const { data: submissionItems } = await supabase
          .from('submission_items')
          .select('id, status')
          .eq('submission_id', item.id)
          .in('status', ['pending', 'rejected']);

        if (submissionItems && submissionItems.length > 0) {
          if (action === 'approved') {
            await supabase.functions.invoke('process-selective-approval', {
              body: {
                itemIds: submissionItems.map((i) => i.id),
                submissionId: item.id,
              },
            });

            toast({
              title: 'Submission Approved',
              description: `Successfully processed ${submissionItems.length} item(s)`,
            });
            return;
          } else if (action === 'rejected') {
            await supabase
              .from('submission_items')
              .update({
                status: 'rejected',
                rejection_reason: moderatorNotes || 'Parent submission rejected',
                updated_at: new Date().toISOString(),
              })
              .eq('submission_id', item.id)
              .eq('status', 'pending');
          }
        }

        // Standard update
        const table = item.type === 'review' ? 'reviews' : 'content_submissions';
        const statusField = item.type === 'review' ? 'moderation_status' : 'status';
        const timestampField = item.type === 'review' ? 'moderated_at' : 'reviewed_at';
        const reviewerField = item.type === 'review' ? 'moderated_by' : 'reviewer_id';

        const updateData: any = {
          [statusField]: action,
          [timestampField]: new Date().toISOString(),
        };

        if (user) {
          updateData[reviewerField] = user.id;
        }

        if (moderatorNotes) {
          updateData.reviewer_notes = moderatorNotes;
        }

        const { error } = await supabase.from(table).update(updateData).eq('id', item.id);

        if (error) throw error;

        toast({
          title: `Content ${action}`,
          description: `The ${item.type} has been ${action}`,
        });

        logger.log(`✅ Action ${action} completed for ${item.id}`);
      } catch (error) {
        logger.error('❌ Error performing action:', error);
        toast({
          title: 'Error',
          description: getErrorMessage(error) || `Failed to ${action} content`,
          variant: 'destructive',
        });
        throw error;
      } finally {
        onActionComplete();
      }
    },
    [user, toast, onActionStart, onActionComplete]
  );

  /**
   * Delete a submission permanently
   */
  const deleteSubmission = useCallback(
    async (item: ModerationItem) => {
      if (item.type !== 'content_submission') return;

      onActionStart(item.id);

      try {
        const { error } = await supabase.from('content_submissions').delete().eq('id', item.id);

        if (error) throw error;

        toast({
          title: 'Submission deleted',
          description: 'The submission has been permanently deleted',
        });

        logger.log(`✅ Submission ${item.id} deleted`);
      } catch (error) {
        logger.error('❌ Error deleting submission:', error);
        toast({
          title: 'Error',
          description: getErrorMessage(error),
          variant: 'destructive',
        });
        throw error;
      } finally {
        onActionComplete();
      }
    },
    [toast, onActionStart, onActionComplete]
  );

  /**
   * Reset submission to pending status
   */
  const resetToPending = useCallback(
    async (item: ModerationItem) => {
      onActionStart(item.id);

      try {
        const { resetRejectedItemsToPending } = await import('@/lib/submissionItemsService');
        await resetRejectedItemsToPending(item.id);

        toast({
          title: 'Reset Complete',
          description: 'Submission and all items have been reset to pending status',
        });

        logger.log(`✅ Submission ${item.id} reset to pending`);
      } catch (error) {
        logger.error('❌ Error resetting submission:', error);
        toast({
          title: 'Reset Failed',
          description: getErrorMessage(error),
          variant: 'destructive',
        });
      } finally {
        onActionComplete();
      }
    },
    [toast, onActionStart, onActionComplete]
  );

  /**
   * Retry failed items in a submission
   */
  const retryFailedItems = useCallback(
    async (item: ModerationItem) => {
      onActionStart(item.id);

      try {
        const { data: failedItems } = await supabase
          .from('submission_items')
          .select('id')
          .eq('submission_id', item.id)
          .eq('status', 'rejected');

        if (!failedItems || failedItems.length === 0) {
          toast({
            title: 'No Failed Items',
            description: 'All items have been processed successfully',
          });
          return;
        }

        const { error } = await supabase.functions.invoke('process-selective-approval', {
          body: {
            itemIds: failedItems.map((i) => i.id),
            submissionId: item.id,
          },
        });

        if (error) throw error;

        toast({
          title: 'Items Retried',
          description: `Successfully retried ${failedItems.length} failed item(s)`,
        });

        logger.log(`✅ Retried ${failedItems.length} failed items for ${item.id}`);
      } catch (error) {
        logger.error('❌ Error retrying items:', error);
        toast({
          title: 'Retry Failed',
          description: getErrorMessage(error) || 'Failed to retry items',
          variant: 'destructive',
        });
      } finally {
        onActionComplete();
      }
    },
    [toast, onActionStart, onActionComplete]
  );

  return {
    performAction,
    deleteSubmission,
    resetToPending,
    retryFailedItems,
  };
}