import { useQuery, useMutation, useQueryClient } from 'react-query';
import api from '../services/api';
import { Tarefa } from '../types/entities';

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

  const { data: tarefas = [], isLoading } = useQuery<Tarefa[]>('tarefas', async () => {
    const response = await api.get('/tarefas');
    return response.data;
  });

  const createTarefa = useMutation(
    async (data: Partial<Tarefa>) => {
      const response = await api.post('/tarefas', data);
      return response.data;
    },
    {
      onSuccess: () => {
        queryClient.invalidateQueries('tarefas');
      }
    }
  );

  const updateTarefa = useMutation(
    async ({ id, data }: { id: string; data: Partial<Tarefa> }) => {
      const response = await api.put(`/tarefas/${id}`, data);
      return response.data;
    },
    {
      onSuccess: () => {
        queryClient.invalidateQueries('tarefas');
      }
    }
  );

  const updateStatus = useMutation(
    async ({ id, status, progresso }: { id: string; status: string; progresso?: number }) => {
      const response = await api.patch(`/tarefas/${id}/status`, { status, progresso });
      return response.data;
    },
    {
      onSuccess: () => {
        queryClient.invalidateQueries('tarefas');
      }
    }
  );

  const deleteTarefa = useMutation(
    async (id: string) => {
      await api.delete(`/tarefas/${id}`); // Remover o /api duplicado
    },
    {
      onSuccess: () => {
        queryClient.invalidateQueries('tarefas');
      },
      onMutate: async (deletedId) => {
        await queryClient.cancelQueries('tarefas');
        const previousTarefas = queryClient.getQueryData<any[]>('tarefas');
        queryClient.setQueryData('tarefas', (old: any[] = []) => 
          old.filter(tarefa => tarefa.id !== deletedId)
        );
        return { previousTarefas };
      },
      onError: (err, variables, context: any) => {
        if (context?.previousTarefas) {
          queryClient.setQueryData('tarefas', context.previousTarefas);
        }
      }
    }
  );

  return {
    tarefas,
    isLoading,
    createTarefa,
    updateTarefa,
    updateStatus,
    deleteTarefa
  };
};