import {z} from 'zod'

export type AddAdPackage = {category_id: number, name: string, validity_days: number, amount: number, additional_ads_allowed: number, is_unlimited_ads: number, credit_points: number, points_valid_days: number, is_active: number};

export type CreateApiAdPackagesArgs = {token: unknown, body: AddAdPackage};

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

export const adPackage = z.object({id: z.number().int().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), category_id: z.number().int().optional(), name: z.string().optional(), validity_days: z.number().int().optional(), amount: z.number().optional(), additional_ads_allowed: z.number().int().optional(), is_unlimited_ads: z.number().int().optional(), credit_points: z.number().int().optional(), points_valid_days: z.number().int().optional(), is_active: z.number().int().optional()});

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
};

/**
 * Creates a new ad package
 * 
 * POST /ad_packages
 */
export const createApiAdPackages = async (args: CreateApiAdPackagesArgs, options: CreateApiAdPackagesOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.token != null) query.append("token", String(args.token))

const url = `${baseUrl.replace(/\/+$/, '')}/ad_packages${query.size > 0 ? `?${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(adPackage, await res.json())
};