/**
 * Location Management Hooks
 *
 * Provides hooks for managing business locations in a multi-location setup.
 */

import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query';
import apiClient from '../api/client';
import { Location } from '../types';

interface LocationFilters {
  includeInactive?: boolean;
}

/**
 * Hook to fetch locations with optional inactive filter
 */
export const useLocations = (filters?: LocationFilters) => {
  return useQuery<Location[]>({
    queryKey: ['locations', filters],
    queryFn: async () => {
      let url = '/locations/';
      if (filters?.includeInactive) {
        url += '?include_inactive=true';
      }
      const { data } = await apiClient.get(url);
      return data;
    },
  });
};

/**
 * Hook to get a single location by ID
 */
export const useLocation = (id: number | undefined) => {
  return useQuery<Location>({
    queryKey: ['locations', id],
    queryFn: async () => {
      const { data } = await apiClient.get(`/locations/${id}/`);
      return data;
    },
    enabled: id !== undefined,
  });
};

/**
 * Hook to create a new location
 */
export const useCreateLocation = () => {
  const queryClient = useQueryClient();

  return useMutation({
    mutationFn: async (locationData: Partial<Location>) => {
      const { data } = await apiClient.post('/locations/', locationData);
      return data;
    },
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['locations'] });
    },
  });
};

/**
 * Hook to update a location
 */
export const useUpdateLocation = () => {
  const queryClient = useQueryClient();

  return useMutation({
    mutationFn: async ({ id, updates }: { id: number; updates: Partial<Location> }) => {
      const { data } = await apiClient.patch(`/locations/${id}/`, updates);
      return data;
    },
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['locations'] });
    },
  });
};

/**
 * Hook to delete a location
 */
export const useDeleteLocation = () => {
  const queryClient = useQueryClient();

  return useMutation({
    mutationFn: async (id: number) => {
      await apiClient.delete(`/locations/${id}/`);
    },
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['locations'] });
    },
  });
};

/**
 * Hook to set a location as primary
 */
export const useSetPrimaryLocation = () => {
  const queryClient = useQueryClient();

  return useMutation({
    mutationFn: async (id: number) => {
      const { data } = await apiClient.post(`/locations/${id}/set_primary/`);
      return data;
    },
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['locations'] });
    },
  });
};

/**
 * Hook to activate or deactivate a location
 */
export const useSetLocationActive = () => {
  const queryClient = useQueryClient();

  return useMutation({
    mutationFn: async ({ id, isActive }: { id: number; isActive: boolean }) => {
      const { data } = await apiClient.post(`/locations/${id}/set_active/`, {
        is_active: isActive,
      });
      return data;
    },
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['locations'] });
    },
  });
};

/**
 * Hook to get only active locations (convenience wrapper)
 */
export const useActiveLocations = () => {
  return useLocations();
};

/**
 * Hook to get all locations including inactive
 */
export const useAllLocations = () => {
  return useLocations({ includeInactive: true });
};

/**
 * Hook to get the primary location
 */
export const usePrimaryLocation = () => {
  const { data: locations, ...rest } = useLocations();
  const primaryLocation = locations?.find(loc => loc.is_primary);
  return { data: primaryLocation, locations, ...rest };
};