import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import { fetchLlmPrompts, createLlmPrompt, updateLlmPrompt, setDefaultLlmPrompt, deleteLlmPrompt } from './llmPromptApi';

export const useLlmPrompts = () => {
  const queryClient = useQueryClient();

  const { data: prompts = [], isLoading, error } = useQuery({
    queryKey: ['llmPrompts'],
    queryFn: fetchLlmPrompts,
  });

  const createMutation = useMutation({
    mutationFn: createLlmPrompt,
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['llmPrompts'] });
    },
  });

  const updateMutation = useMutation({
    mutationFn: updateLlmPrompt,
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['llmPrompts'] });
    },
  });

  const setDefaultMutation = useMutation({
    mutationFn: setDefaultLlmPrompt,
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['llmPrompts'] });
    },
  });

  const deleteMutation = useMutation({
    mutationFn: deleteLlmPrompt,
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['llmPrompts'] });
    },
  });

  return {
    prompts,
    isLoading,
    error: error ? (error instanceof Error ? error.message : 'Failed to fetch prompturations') : null,
    createPrompt: createMutation.mutateAsync,
    updatePrompt: updateMutation.mutateAsync,
    setAsDefaultPrompt: setDefaultMutation.mutateAsync,
    deletePrompt: deleteMutation.mutateAsync,
  };
};