import {z} from 'zod'

export type CreateApiClipArgs = {body: {url?: string | undefined, html?: string | undefined}};

export type CreateApiClipOptions = {baseUrl?: string | undefined, Authorization?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiClipResponse = z.object({title: z.string(), description: z.string().optional(), yield: z.string().optional(), activeTime: z.string().optional(), totalTime: z.string().optional(), source: z.string().optional(), url: z.string().optional(), notes: z.string().optional(), ingredients: z.string().optional(), instructions: z.string().optional(), folder: z.string().optional(), rating: z.number().optional(), lastMadeAt: z.string().nullable().optional(), nutritionInfo: z.string().optional(), nutritionServingSize: z.string().nullable().optional(), nutritionCalories: z.number().nullable().optional(), nutritionTotalFat: z.number().nullable().optional(), nutritionSaturatedFat: z.number().nullable().optional(), nutritionTransFat: z.number().nullable().optional(), nutritionPolyunsaturatedFat: z.number().nullable().optional(), nutritionMonounsaturatedFat: z.number().nullable().optional(), nutritionCholesterol: z.number().nullable().optional(), nutritionSodium: z.number().nullable().optional(), nutritionTotalCarbs: z.number().nullable().optional(), nutritionDietaryFiber: z.number().nullable().optional(), nutritionTotalSugars: z.number().nullable().optional(), nutritionAddedSugars: z.number().nullable().optional(), nutritionProtein: z.number().nullable().optional(), nutritionVitaminD: z.number().nullable().optional(), nutritionCalcium: z.number().nullable().optional(), nutritionIron: z.number().nullable().optional(), nutritionPotassium: z.number().nullable().optional(), nutritionOtherDetails: z.string().nullable().optional(), imageURL: z.string()});

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
};

/**
 * Clip a recipe from a URL or raw HTML
 * 
 * POST /clip
 */
export const createApiClip = async (args: CreateApiClipArgs, options?: CreateApiClipOptions) => {
const {baseUrl = "https://api.recipesage.com", fetch: fetchFn = fetch, Authorization} = options ?? {}

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

if (Authorization !== undefined) headers.set('authorization', `Bearer ${Authorization}`)

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

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

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