import {z} from 'zod'

export type Date = {day?: number | undefined, month?: number | undefined, year?: number | undefined};

export type DateRange = {endDate?: Date | undefined, startDate?: Date | undefined};

export type CampaignDuration = {dateRange?: DateRange | undefined, durationDays?: number | undefined};

export type FrequencyCap = {maxImpressions?: number | undefined, maxViews?: number | undefined, timeUnit?: ('TIME_UNIT_UNSPECIFIED' | 'TIME_UNIT_LIFETIME' | 'TIME_UNIT_MONTHS' | 'TIME_UNIT_WEEKS' | 'TIME_UNIT_DAYS' | 'TIME_UNIT_HOURS' | 'TIME_UNIT_MINUTES') | undefined, timeUnitCount?: number | undefined, unlimited?: boolean | undefined};

export type SurfaceTargetingSettings = {surfaces?: (Array<'PLANNABLE_SURFACE_UNSPECIFIED' | 'PLANNABLE_SURFACE_IN_FEED' | 'PLANNABLE_SURFACE_IN_STREAM_BUMPER' | 'PLANNABLE_SURFACE_IN_STREAM_NON_SKIPPABLE' | 'PLANNABLE_SURFACE_IN_STREAM_SKIPPABLE' | 'PLANNABLE_SURFACE_SHORTS' | 'PLANNABLE_SURFACE_DISCOVER_FEED' | 'PLANNABLE_SURFACE_GMAIL' | 'PLANNABLE_SURFACE_GOOGLE_DISPLAY_NETWORK' | 'PLANNABLE_SURFACE_IN_STREAM_NON_SKIPPABLE_THIRTY_SECONDS'>) | undefined};

export type TargetFrequency = {targetCount?: unknown | undefined, timeUnit?: ('TIME_UNIT_UNSPECIFIED' | 'TIME_UNIT_LIFETIME' | 'TIME_UNIT_MONTHS' | 'TIME_UNIT_WEEKS' | 'TIME_UNIT_DAYS' | 'TIME_UNIT_HOURS' | 'TIME_UNIT_MINUTES') | undefined, timeUnitCount?: number | undefined};

export type YouTubeSelectSettings = {lineupId?: unknown | undefined};

export type AdvancedProductTargeting = {ageRange?: ('PLANNABLE_AGE_RANGE_UNSPECIFIED' | 'PLANNABLE_AGE_RANGE_18_24' | 'PLANNABLE_AGE_RANGE_18_34' | 'PLANNABLE_AGE_RANGE_18_44' | 'PLANNABLE_AGE_RANGE_18_49' | 'PLANNABLE_AGE_RANGE_18_54' | 'PLANNABLE_AGE_RANGE_18_64' | 'PLANNABLE_AGE_RANGE_18_65_UP' | 'PLANNABLE_AGE_RANGE_21_34' | 'PLANNABLE_AGE_RANGE_21_44' | 'PLANNABLE_AGE_RANGE_21_49' | 'PLANNABLE_AGE_RANGE_21_54' | 'PLANNABLE_AGE_RANGE_21_64' | 'PLANNABLE_AGE_RANGE_21_65_UP' | 'PLANNABLE_AGE_RANGE_25_34' | 'PLANNABLE_AGE_RANGE_25_44' | 'PLANNABLE_AGE_RANGE_25_49' | 'PLANNABLE_AGE_RANGE_25_54' | 'PLANNABLE_AGE_RANGE_25_64' | 'PLANNABLE_AGE_RANGE_25_65_UP' | 'PLANNABLE_AGE_RANGE_35_44' | 'PLANNABLE_AGE_RANGE_35_49' | 'PLANNABLE_AGE_RANGE_35_54' | 'PLANNABLE_AGE_RANGE_35_64' | 'PLANNABLE_AGE_RANGE_35_65_UP' | 'PLANNABLE_AGE_RANGE_45_54' | 'PLANNABLE_AGE_RANGE_45_64' | 'PLANNABLE_AGE_RANGE_45_65_UP' | 'PLANNABLE_AGE_RANGE_50_65_UP' | 'PLANNABLE_AGE_RANGE_55_64' | 'PLANNABLE_AGE_RANGE_55_65_UP' | 'PLANNABLE_AGE_RANGE_65_UP') | undefined, dateRange?: DateRange | undefined, devices?: (Array<'DEVICE_TYPE_UNSPECIFIED' | 'DEVICE_TYPE_COMPUTER' | 'DEVICE_TYPE_CONNECTED_TV' | 'DEVICE_TYPE_SMART_PHONE' | 'DEVICE_TYPE_TABLET' | 'DEVICE_TYPE_CONNECTED_DEVICE'>) | undefined, frequencyCap?: FrequencyCap | undefined, genders?: (Array<'GENDER_UNSPECIFIED' | 'GENDER_MALE' | 'GENDER_FEMALE' | 'GENDER_UNKNOWN'>) | undefined, network?: ('PLANNABLE_NETWORK_UNSPECIFIED' | 'PLANNABLE_NETWORK_YOUTUBE' | 'PLANNABLE_NETWORK_GOOGLE_VIDEO_PARTNERS' | 'PLANNABLE_NETWORK_YOUTUBE_AND_GOOGLE_VIDEO_PARTNERS') | undefined, plannableLocationIds?: Array<unknown> | undefined, surfaceTargetingSettings?: SurfaceTargetingSettings | undefined, targetFrequency?: TargetFrequency | undefined, userInterestIds?: Array<string> | undefined, userListIds?: Array<string> | undefined, youtubeSelectSettings?: YouTubeSelectSettings | undefined};

export type PlannedProduct = {advancedProductTargeting?: AdvancedProductTargeting | undefined, budgetMicros?: unknown | undefined, plannableProductCode?: string | undefined};

export type Targeting = {ageRange?: ('PLANNABLE_AGE_RANGE_UNSPECIFIED' | 'PLANNABLE_AGE_RANGE_18_24' | 'PLANNABLE_AGE_RANGE_18_34' | 'PLANNABLE_AGE_RANGE_18_44' | 'PLANNABLE_AGE_RANGE_18_49' | 'PLANNABLE_AGE_RANGE_18_54' | 'PLANNABLE_AGE_RANGE_18_64' | 'PLANNABLE_AGE_RANGE_18_65_UP' | 'PLANNABLE_AGE_RANGE_21_34' | 'PLANNABLE_AGE_RANGE_21_44' | 'PLANNABLE_AGE_RANGE_21_49' | 'PLANNABLE_AGE_RANGE_21_54' | 'PLANNABLE_AGE_RANGE_21_64' | 'PLANNABLE_AGE_RANGE_21_65_UP' | 'PLANNABLE_AGE_RANGE_25_34' | 'PLANNABLE_AGE_RANGE_25_44' | 'PLANNABLE_AGE_RANGE_25_49' | 'PLANNABLE_AGE_RANGE_25_54' | 'PLANNABLE_AGE_RANGE_25_64' | 'PLANNABLE_AGE_RANGE_25_65_UP' | 'PLANNABLE_AGE_RANGE_35_44' | 'PLANNABLE_AGE_RANGE_35_49' | 'PLANNABLE_AGE_RANGE_35_54' | 'PLANNABLE_AGE_RANGE_35_64' | 'PLANNABLE_AGE_RANGE_35_65_UP' | 'PLANNABLE_AGE_RANGE_45_54' | 'PLANNABLE_AGE_RANGE_45_64' | 'PLANNABLE_AGE_RANGE_45_65_UP' | 'PLANNABLE_AGE_RANGE_50_65_UP' | 'PLANNABLE_AGE_RANGE_55_64' | 'PLANNABLE_AGE_RANGE_55_65_UP' | 'PLANNABLE_AGE_RANGE_65_UP') | undefined, devices?: (Array<'DEVICE_TYPE_UNSPECIFIED' | 'DEVICE_TYPE_COMPUTER' | 'DEVICE_TYPE_CONNECTED_TV' | 'DEVICE_TYPE_SMART_PHONE' | 'DEVICE_TYPE_TABLET' | 'DEVICE_TYPE_CONNECTED_DEVICE'>) | undefined, genders?: (Array<'GENDER_UNSPECIFIED' | 'GENDER_MALE' | 'GENDER_FEMALE' | 'GENDER_UNKNOWN'>) | undefined, plannableLocationIds?: Array<unknown> | undefined};

export type GenerateReachForecastRequest = {campaignDuration?: CampaignDuration | undefined, currencyCode?: string | undefined, minEffectiveFrequency?: number | undefined, plannedProducts?: Array<PlannedProduct> | undefined, targeting?: Targeting | undefined};

export type CreateApiV4AdvertisersAdvertisersIdReachForecastGenerateReachForecastArgs = {advertisersId: string, body: GenerateReachForecastRequest};

export type CreateApiV4AdvertisersAdvertisersIdReachForecastGenerateReachForecastOptions = {baseUrl?: string | undefined, Oauth2?: string | undefined, Oauth2c?: string | undefined, fetch?: typeof fetch | undefined};

export const onTargetAudienceMetrics = z.object({censusAudienceSize: z.string().optional(), youtubeAudienceSize: z.string().optional()});

export const plannedProductForecast = z.object({onTargetCoviewImpressions: z.string().optional(), onTargetCoviewReach: z.string().optional(), onTargetImpressions: z.string().optional(), onTargetReach: z.string().optional(), totalCoviewImpressions: z.string().optional(), totalCoviewReach: z.string().optional(), totalImpressions: z.string().optional(), totalReach: z.string().optional(), trueviewViews: z.string().optional(), viewableImpressions: z.string().optional()});

export const plannedProductReachForecast = z.object({costMicros: z.string().optional(), plannableProductCode: z.string().optional(), plannedProductForecast: plannedProductForecast.optional()});

export const reachForecast = z.object({costMicros: z.string().optional(), forecast: plannedProductForecast.optional(), plannedProductReachForecasts: z.array(plannedProductReachForecast).optional()});

export const reachCurve = z.object({reachForecasts: z.array(reachForecast).optional()});

export const generateReachForecastResponse = z.object({onTargetAudienceMetrics: onTargetAudienceMetrics.optional(), reachCurve: reachCurve.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
};

/**
 * Generates a reach forecast for a given advertiser and targeting configuration. API support for generating reach forecasts and retrieving related metadata is in beta. This method is only available to allowlisted users.
 * 
 * POST /v4/advertisers/{advertisersId}/reachForecast:generateReachForecast
 */
export const createApiV4AdvertisersAdvertisersIdReachForecastGenerateReachForecast = async (args: CreateApiV4AdvertisersAdvertisersIdReachForecastGenerateReachForecastArgs, options?: CreateApiV4AdvertisersAdvertisersIdReachForecastGenerateReachForecastOptions) => {
const {baseUrl = "https://displayvideo.googleapis.com", fetch: fetchFn = fetch, Oauth2, Oauth2c} = options ?? {}

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

if (Oauth2 !== undefined) headers.set('authorization', `Bearer ${Oauth2}`)
if (Oauth2c !== undefined) headers.set('authorization', `Bearer ${Oauth2c}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v4/advertisers/${encodeURIComponent(String(args.advertisersId))}/reachForecast:generateReachForecast${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(generateReachForecastResponse, await res.json())
};