import {z} from 'zod'

export type TimeComparison = {value: number, operator: 'eq' | 'gt' | 'gte' | 'lt' | 'lte' | 'neq'};

export type SortOptionsDto = {status?: ('ASC' | 'DESC') | undefined, partnerId?: ('ASC' | 'DESC') | undefined, startTime?: ('ASC' | 'DESC') | undefined, endTime?: ('ASC' | 'DESC') | undefined, questionText?: ('ASC' | 'DESC') | undefined, marketingText?: ('ASC' | 'DESC') | undefined};

export type GetApiV1AdminMeterAdsArgs = {partnerId?: string | undefined, questionText?: string | undefined, marketingText?: string | undefined, status?: ('DRAFT' | 'PUBLISHED' | 'CANCELLED') | undefined, startTime?: TimeComparison | undefined, endTime?: TimeComparison | undefined, sort?: SortOptionsDto | undefined, page?: number | undefined, pageSize?: number | undefined};

export type GetApiV1AdminMeterAdsOptions = {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 paginatedMeterAdsDto = z.object({items: z.array(meterAd), total: z.number(), page: z.number(), pageSize: z.number(), pageCount: z.number()});

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
};

/**
 * List meter ads, filtered by search terms and sort options.
 * 
 * GET /v1/admin/meter-ads
 */
export const getApiV1AdminMeterAds = async (args: GetApiV1AdminMeterAdsArgs, options: GetApiV1AdminMeterAdsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, accessToken} = options ?? {}

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

if (args.partnerId != null) query.append("partnerId", String(args.partnerId))
if (args.questionText != null) query.append("questionText", String(args.questionText))
if (args.marketingText != null) query.append("marketingText", String(args.marketingText))
if (args.status != null) query.append("status", String(args.status))
if (args.startTime != null) query.append("startTime", JSON.stringify(args.startTime))
if (args.endTime != null) query.append("endTime", JSON.stringify(args.endTime))
if (args.sort != null) query.append("sort", JSON.stringify(args.sort))
if (args.page != null) query.append("page", String(args.page))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
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: "GET", headers})

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

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