import {z} from 'zod'

export type GetApiFoodMenuItemsSearchArgs = {query?: string | undefined, minCalories?: number | undefined, maxCalories?: number | undefined, minCarbs?: number | undefined, maxCarbs?: number | undefined, minProtein?: number | undefined, maxProtein?: number | undefined, minFat?: number | undefined, maxFat?: number | undefined, addMenuItemInformation?: boolean | undefined, offset?: number | undefined, number?: number | undefined};

export type GetApiFoodMenuItemsSearchOptions = {baseUrl?: string | undefined, apiKeyScheme?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiFoodMenuItemsSearchResponse = z.object({menuItems: z.array(z.object({id: z.number().int(), title: z.string().min(1), restaurantChain: z.string().min(1), image: z.string().min(1), imageType: z.string().min(1), servings: z.object({number: z.number(), size: z.number(), unit: z.string().min(1)}).optional()})), totalMenuItems: z.number().int(), type: z.string().min(1), offset: z.number().int(), number: z.number().int()});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Search Menu Items
 * 
 * GET /food/menuItems/search
 */
export const getApiFoodMenuItemsSearch = async (args: GetApiFoodMenuItemsSearchArgs, options?: GetApiFoodMenuItemsSearchOptions) => {
const {baseUrl = "https://api.spoonacular.com", fetch: fetchFn = fetch, apiKeyScheme} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.query != null) query.append("query", String(args.query))
if (args.minCalories != null) query.append("minCalories", String(args.minCalories))
if (args.maxCalories != null) query.append("maxCalories", String(args.maxCalories))
if (args.minCarbs != null) query.append("minCarbs", String(args.minCarbs))
if (args.maxCarbs != null) query.append("maxCarbs", String(args.maxCarbs))
if (args.minProtein != null) query.append("minProtein", String(args.minProtein))
if (args.maxProtein != null) query.append("maxProtein", String(args.maxProtein))
if (args.minFat != null) query.append("minFat", String(args.minFat))
if (args.maxFat != null) query.append("maxFat", String(args.maxFat))
if (args.addMenuItemInformation != null) query.append("addMenuItemInformation", String(args.addMenuItemInformation))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.number != null) query.append("number", String(args.number))
if (apiKeyScheme !== undefined) headers.set("x-api-key", apiKeyScheme)

const url = `${baseUrl.replace(/\/+$/, '')}/food/menuItems/search${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiFoodMenuItemsSearchResponse, await res.json())
};