import {z} from 'zod'

export type AdGroupAudienceSizingCreativeTypes = 'REGULAR' | 'VIDEO' | 'SHOPPING' | 'CAROUSEL' | 'MAX_VIDEO' | 'SHOP_THE_PIN' | 'COLLECTION' | 'IDEA';

export type NullalbleMatchType = 'BROAD' | 'PHRASE' | 'EXACT' | 'EXACT_NEGATIVE' | 'PHRASE_NEGATIVE' | 'null' | null;

export type AdGroupDeliveryEstimatesKeywordsItems = {match_type: NullalbleMatchType | null, value: string};

export type AttributionWindows = {click_window_days?: number | undefined, engagement_window_days?: number | undefined, view_window_days?: number | undefined};

export type ConversionEvent = 'PAGE_VISIT' | 'SIGNUP' | 'CHECKOUT' | 'CUSTOM' | 'VIEW_CATEGORY' | 'SEARCH' | 'ADD_TO_CART' | 'WATCH_VIDEO' | 'LEAD' | 'APP_INSTALL';

export type ConversionTagV3GoalMetadata = {attribution_windows?: AttributionWindows | undefined, conversion_event?: ConversionEvent | undefined, conversion_tag_id?: string | undefined, cpa_goal_value_in_micro_currency?: string | undefined, is_roas_optimized?: (boolean | null) | undefined, reporting_event?: string | undefined};

export type FrequencyGoalMetadataTimerange = 'THIRTY_DAY' | 'DAY' | 'SEVEN_DAY' | 'TWENTY_MINUTE' | 'TEN_MINUTE' | 'TWENTY_FOUR_HOUR';

export type FrequencyGoalMetadata = {frequency?: number | undefined, timerange?: FrequencyGoalMetadataTimerange | undefined};

export type ScrollupGoalMetadata = {scrollup_goal_value_in_micro_currency?: (string | null) | undefined};

export type OptimizationGoalMetadata = {conversion_tag_v3_goal_metadata?: ConversionTagV3GoalMetadata | undefined, frequency_goal_metadata?: FrequencyGoalMetadata | undefined, scrollup_goal_metadata?: ScrollupGoalMetadata | undefined};

export type OptimizationType = 'CLICKTHROUGH' | 'IMPRESSION' | 'WEB_CONVERSION' | 'ROAS' | 'OUTBOUND_CLICK';

export type PlacementGroupType = 'ALL' | 'SEARCH' | 'BROWSE' | 'OTHER';

export type DeliveryEstimatesProductGroupId = string;

export type TargetingSpecAgeBucket = '18-24' | '19+' | '20+' | '21+' | '25-34' | '35-44' | '45-49' | '50-54' | '55-64' | '65+';

export type TargetingSpecAppType = 'android_mobile' | 'android_tablet' | 'ipad' | 'iphone' | 'web' | 'web_mobile';

export type PinterestLibIntegerFormatType = string;

export type TargetingSpecGender = 'unknown' | 'male' | 'female';

export type TargetingSpecShoppingRetargeting = {exclusion_window?: number | undefined, lookback_window?: number | undefined, tag_types?: Array<number> | undefined};

export type TargetingStrategy = 'CHOOSE_YOUR_OWN' | 'FIND_NEW_CUSTOMERS' | 'RECONNECT_WITH_USERS';

export type TargetingSpecOptimal = {AGE_BUCKET?: (Array<TargetingSpecAgeBucket> | null) | undefined, APPTYPE?: (Array<TargetingSpecAppType> | null) | undefined, AUDIENCE_EXCLUDE?: (Array<PinterestLibIntegerFormatType> | null) | undefined, AUDIENCE_INCLUDE?: (Array<PinterestLibIntegerFormatType> | null) | undefined, GENDER?: (Array<TargetingSpecGender> | null) | undefined, GEO?: (Array<string> | null) | undefined, GEO_EXCLUDE?: Array<string> | undefined, INTEREST?: Array<string> | undefined, LOCALE?: (Array<string> | null) | undefined, LOCATION?: (Array<string> | null) | undefined, LOCATION_EXCLUDE?: Array<string> | undefined, MAXIMUM_AGE?: string | undefined, MINIMUM_AGE?: string | undefined, SHOPPING_RETARGETING?: (Array<TargetingSpecShoppingRetargeting> | null) | undefined, TARGETING_STRATEGY?: (Array<TargetingStrategy> | null) | undefined};

export type AdGroupDeliveryEstimates = {auto_targeting_enabled?: boolean | undefined, creative_types?: Array<AdGroupAudienceSizingCreativeTypes> | undefined, keywords?: (Array<AdGroupDeliveryEstimatesKeywordsItems> | null) | undefined, monthly_frequency_cap?: number | undefined, optimization_goal_metadata?: OptimizationGoalMetadata | undefined, optimization_type?: OptimizationType | undefined, placement_group?: PlacementGroupType | undefined, product_group_ids?: Array<DeliveryEstimatesProductGroupId> | undefined, targeting_spec?: TargetingSpecOptimal | undefined};

export type BudgetDurationType = 'FIXED_DAILY' | 'FLEXIBLE_DAILY' | 'LIFETIME';

export type DeliveryEstimateObjectiveType = 'AWARENESS' | 'CONSIDERATION' | 'CATALOG_SALES' | 'WEB_CONVERSION';

export type CampaignDeliveryEstimatesCampaign = {ad_groups: Array<AdGroupDeliveryEstimates>, budget_duration_type: BudgetDurationType, daily_spend_cap?: number | undefined, end_date?: string | undefined, lifetime_spend_cap?: number | undefined, objective_type: DeliveryEstimateObjectiveType, start_date: string};

export type CampaignDeliveryEstimatesCampaignRequest = Array<CampaignDeliveryEstimatesCampaign>;

export type CreateApiAdAccountsAdAccountIdCampaignsDeliveryEstimatesArgs = {ad_account_id: string, body: CampaignDeliveryEstimatesCampaignRequest};

export type CreateApiAdAccountsAdAccountIdCampaignsDeliveryEstimatesOptions = {baseUrl?: string | undefined, pinterestOauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const campaignPlanningEstimationType = z.enum(["IMPRESSION", "CLICK", "CONVERSION", "WEEKLY_FREQUENCY", "WEEKLY_REACH", "LIFETIME_FREQUENCY", "LIFETIME_REACH", "CPM", "CPC", "CPA"]);

export const campaignPlanningPointEstimate = z.object({budget: z.number().int(), double_y: z.number().nullable(), max_y: z.number().int().nullable(), min_y: z.number().int().nullable(), y: z.number().int().nullable()});

export const campaignPlanningCurveEstimate = z.object({estimation_type: campaignPlanningEstimationType.optional(), points: z.array(campaignPlanningPointEstimate).optional()});

export const campaignDeliveryEstimatesDerivedMetrics = z.object({cpc: z.number().optional(), cpc_lower: z.number().optional(), cpc_upper: z.number().optional(), cpm: z.number().optional(), cpm_lower: z.number().optional(), cpm_upper: z.number().optional(), lifetime_frequency: z.number().optional(), lifetime_frequency_lower: z.number().optional(), lifetime_frequency_upper: z.number().optional(), lifetime_impression: z.number().optional(), lifetime_impression_lower: z.number().optional(), lifetime_impression_upper: z.number().optional(), lifetime_reach: z.number().optional(), lifetime_reach_lower: z.number().optional(), lifetime_reach_upper: z.number().optional(), weekly_click: z.number().optional(), weekly_click_lower: z.number().optional(), weekly_click_upper: z.number().optional(), weekly_frequency: z.number().optional(), weekly_frequency_lower: z.number().optional(), weekly_frequency_upper: z.number().optional(), weekly_impression: z.number().optional(), weekly_impression_lower: z.number().optional(), weekly_impression_upper: z.number().optional(), weekly_reach: z.number().optional(), weekly_reach_lower: z.number().optional(), weekly_reach_upper: z.number().optional()});

export const campaignDeliveryEstimatesResponse = z.object({curves: z.array(campaignPlanningCurveEstimate).optional(), derived_metrics: campaignDeliveryEstimatesDerivedMetrics.optional(), max_potential_spend: 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
};

/**
 * Get campaign delivery estimates
 * 
 * POST /ad_accounts/{ad_account_id}/campaigns/delivery_estimates
 */
export const createApiAdAccountsAdAccountIdCampaignsDeliveryEstimates = async (args: CreateApiAdAccountsAdAccountIdCampaignsDeliveryEstimatesArgs, options?: CreateApiAdAccountsAdAccountIdCampaignsDeliveryEstimatesOptions) => {
const {baseUrl = "https://api.pinterest.com/v5", fetch: fetchFn = fetch, pinterestOauth2} = options ?? {}

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

if (pinterestOauth2 !== undefined) headers.set('authorization', `Bearer ${pinterestOauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/ad_accounts/${encodeURIComponent(String(args.ad_account_id))}/campaigns/delivery_estimates${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(campaignDeliveryEstimatesResponse, await res.json())
};