import { apiClient } from './api-client';
import type { z } from 'zod/v4';
import type {
  ShoppingListResponseSchema,
  ShoppingItemSchema,
  CreateShoppingListSchema,
  UpdateShoppingListSchema,
  AddShoppingItemSchema,
  UpdateShoppingItemSchema,
  ShoppingListSyncToPantryResponseSchema,
  BasketStoreComparisonResponseSchema,
} from '@meshitrack/shared';

export type ShoppingListResponse = z.infer<typeof ShoppingListResponseSchema>;
export type ShoppingItem = z.infer<typeof ShoppingItemSchema>;
export type CreateShoppingListInput = z.infer<typeof CreateShoppingListSchema>;
export type UpdateShoppingListInput = z.infer<typeof UpdateShoppingListSchema>;
export type AddShoppingItemInput = z.infer<typeof AddShoppingItemSchema>;
export type UpdateShoppingItemInput = z.infer<typeof UpdateShoppingItemSchema>;
export type ShoppingListSyncToPantryResponse = z.infer<
  typeof ShoppingListSyncToPantryResponseSchema
>;
export type BasketStoreComparisonResponse = z.infer<typeof BasketStoreComparisonResponseSchema>;

export async function getShoppingLists(householdId: string): Promise<ShoppingListResponse[]> {
  return apiClient.get<ShoppingListResponse[]>(`/households/${householdId}/shopping-lists`);
}

export async function getShoppingList(
  householdId: string,
  id: string,
): Promise<ShoppingListResponse> {
  return apiClient.get<ShoppingListResponse>(`/households/${householdId}/shopping-lists/${id}`);
}

export async function createShoppingList(
  householdId: string,
  data: CreateShoppingListInput,
): Promise<ShoppingListResponse> {
  return apiClient.post<ShoppingListResponse>(`/households/${householdId}/shopping-lists`, data);
}

export async function updateShoppingList(
  householdId: string,
  id: string,
  data: UpdateShoppingListInput,
): Promise<ShoppingListResponse> {
  return apiClient.patch<ShoppingListResponse>(
    `/households/${householdId}/shopping-lists/${id}`,
    data,
  );
}

export async function deleteShoppingList(householdId: string, id: string): Promise<void> {
  return apiClient.delete<void>(`/households/${householdId}/shopping-lists/${id}`);
}

// -- Nested Item Operations --

export async function addShoppingItem(
  householdId: string,
  id: string,
  data: AddShoppingItemInput,
): Promise<ShoppingListResponse> {
  return apiClient.post<ShoppingListResponse>(
    `/households/${householdId}/shopping-lists/${id}/items`,
    data,
  );
}

export async function updateShoppingItem(
  householdId: string,
  id: string,
  itemId: string,
  data: UpdateShoppingItemInput,
): Promise<ShoppingListResponse> {
  return apiClient.patch<ShoppingListResponse>(
    `/households/${householdId}/shopping-lists/${id}/items/${itemId}`,
    data,
  );
}

export async function removeShoppingItem(
  householdId: string,
  id: string,
  itemId: string,
): Promise<ShoppingListResponse> {
  return apiClient.delete<ShoppingListResponse>(
    `/households/${householdId}/shopping-lists/${id}/items/${itemId}`,
  );
}

// -- Workflows --

export async function generateFromMealPlan(
  householdId: string,
  mealPlanId: string,
): Promise<ShoppingListResponse> {
  return apiClient.post<ShoppingListResponse>(
    `/households/${householdId}/shopping-lists/from-meal-plan/${mealPlanId}`,
  );
}

export async function syncToPantry(
  householdId: string,
  id: string,
): Promise<ShoppingListSyncToPantryResponse> {
  return apiClient.post<ShoppingListSyncToPantryResponse>(
    `/households/${householdId}/shopping-lists/${id}/sync-to-pantry`,
  );
}

export async function getBasketStoreComparison(
  householdId: string,
  id: string,
): Promise<BasketStoreComparisonResponse> {
  return apiClient.get<BasketStoreComparisonResponse>(
    `/households/${householdId}/shopping-lists/${id}/stores`,
  );
}

/**
 * Generates direct WebSocket path for collaborative checklist syncing.
 */
export function getShoppingListSyncSocketUrl(householdId: string, id: string): string {
  // Derive WS protocol based on configured API baseURL protocol (defaulting to unsafe ws for localhost)
  const baseUrl = apiClient.baseUrl || '';
  const isSecure = baseUrl.startsWith('https');
  const cleanHost = baseUrl.replace(/^https?:\/\//, '');
  const protocol = isSecure ? 'wss' : 'ws';
  return `${protocol}://${cleanHost}/households/${householdId}/shopping-lists/${id}/sync`;
}