import {z} from 'zod'

export type AdSideDto = {label: string, percentage: number, assetUrl: string};

export type CreateMeterAdDto = {partnerId: string, startTime: number, endTime: number, questionText: string, marketingText?: string | undefined, sideA: AdSideDto, sideB: AdSideDto, status: 'DRAFT' | 'PUBLISHED' | 'CANCELLED', url?: string | undefined};

export type CreateApiV1AdminMeterAdsArgs = {body: CreateMeterAdDto};

export type CreateApiV1AdminMeterAdsOptions = {baseUrl: string, accessToken?: string | undefined, fetch?: typeof fetch | undefined};

export const meterAd = z.object({id: z.string(), partnerId: z.string(), startTime: z.number(), endTime: z.number(), questionText: z.string(), marketingText: z.string().optional(), sideA: z.object({label: z.string(), percentage: z.number(), assetUrl: z.string()}).optional(), sideB: z.object({label: z.string(), percentage: z.number(), assetUrl: z.string()}).optional(), status: z.enum(["DRAFT", "PUBLISHED", "CANCELLED"]), createdAt: z.string(), updatedAt: z.string(), url: 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
};

/**
 * Create a new MeterAd
 * 
 * POST /v1/admin/meter-ads
 */
export const createApiV1AdminMeterAds = async (args: CreateApiV1AdminMeterAdsArgs, options: CreateApiV1AdminMeterAdsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, accessToken} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/admin/meter-ads${query.size > 0 ? `?${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(meterAd, await res.json())
};