import {z} from 'zod'

export type ValidityTimeframe = {duration?: string | undefined, interval?: string | undefined};

export type ValidityDayOfWeek = Array<0 | 1 | 2 | 3 | 4 | 5 | 6>;

export type SimpleLoyaltyCard = {points: number, balance?: number | undefined, next_expiration_date?: string | undefined, next_expiration_points?: number | undefined, pending_points?: number | undefined, expired_points?: number | undefined, subtracted_points?: number | undefined};

export type VoucherImportLoyaltyCard = {code: string, redemption?: ({quantity?: number | undefined}) | undefined, active?: boolean | undefined, metadata?: Record<string, never> | undefined, category?: string | undefined, start_date?: string | undefined, expiration_date?: string | undefined, validity_timeframe?: ValidityTimeframe | undefined, validity_day_of_week?: ValidityDayOfWeek | undefined, additional_info?: string | undefined, type?: 'LOYALTY_CARD' | undefined, loyalty_card: SimpleLoyaltyCard};

export type Gift = {amount: number, subtracted_amount?: number | undefined, balance: number, effect?: ('APPLY_TO_ORDER' | 'APPLY_TO_ITEMS') | undefined};

export type VoucherImportGift = {code: string, redemption?: ({quantity?: number | undefined}) | undefined, active?: boolean | undefined, metadata?: Record<string, never> | undefined, category?: string | undefined, start_date?: string | undefined, expiration_date?: string | undefined, validity_timeframe?: ValidityTimeframe | undefined, validity_day_of_week?: ValidityDayOfWeek | undefined, additional_info?: string | undefined, type?: 'GIFT_VOUCHER' | undefined, gift: Gift};

export type DiscountAmountVouchersEffectTypes = 'APPLY_TO_ORDER' | 'APPLY_TO_ITEMS' | 'APPLY_TO_ITEMS_PROPORTIONALLY' | 'APPLY_TO_ITEMS_PROPORTIONALLY_BY_QUANTITY' | 'APPLY_TO_ITEMS_BY_QUANTITY';

export type DiscountUnitVouchersEffectTypes = 'ADD_MISSING_ITEMS' | 'ADD_NEW_ITEMS' | 'ADD_MANY_ITEMS' | 'ADD_SAME_ITEMS';

export type SimpleProductDiscountUnit = {id: string, source_id?: string | undefined, name: string};

export type SimpleSkuDiscountUnit = {id: string, source_id?: string | undefined, name: string};

export type DiscountUnitMultipleOneUnit = {unit_off?: number | undefined, unit_off_formula?: string | undefined, effect: 'ADD_NEW_ITEMS' | 'ADD_MISSING_ITEMS', unit_type: string, product?: SimpleProductDiscountUnit | undefined, sku?: SimpleSkuDiscountUnit | undefined};

export type DiscountPercentVouchersEffectTypes = 'APPLY_TO_ORDER' | 'APPLY_TO_ITEMS';

export type DiscountFixedVouchersEffectTypes = 'APPLY_TO_ORDER' | 'APPLY_TO_ITEMS';

export type Discount = {type: 'AMOUNT', amount_off: number, amount_off_formula?: string | undefined, aggregated_amount_limit?: number | undefined, effect?: DiscountAmountVouchersEffectTypes | undefined, is_dynamic?: boolean | undefined} | {type: 'UNIT', unit_off?: number | undefined, unit_off_formula?: string | undefined, effect?: DiscountUnitVouchersEffectTypes | undefined, unit_type: string, product?: SimpleProductDiscountUnit | undefined, sku?: SimpleSkuDiscountUnit | undefined, is_dynamic?: boolean | undefined} | {type: 'UNIT', effect?: 'ADD_MANY_ITEMS' | undefined, units: Array<DiscountUnitMultipleOneUnit>} | {type: 'PERCENT', percent_off: number, percent_off_formula?: string | undefined, amount_limit?: number | undefined, aggregated_amount_limit?: number | undefined, effect?: DiscountPercentVouchersEffectTypes | undefined, is_dynamic?: boolean | undefined} | {type: 'FIXED', fixed_amount: number, fixed_amount_formula?: string | undefined, effect?: DiscountFixedVouchersEffectTypes | undefined, is_dynamic?: boolean | undefined};

export type VoucherImportDiscount = {code: string, redemption?: ({quantity?: number | undefined}) | undefined, active?: boolean | undefined, metadata?: Record<string, never> | undefined, category?: string | undefined, start_date?: string | undefined, expiration_date?: string | undefined, validity_timeframe?: ValidityTimeframe | undefined, validity_day_of_week?: ValidityDayOfWeek | undefined, additional_info?: string | undefined, type?: 'DISCOUNT_VOUCHER' | undefined, discount: Discount};

export type CampaignsImportVoucherItem = VoucherImportLoyaltyCard | VoucherImportGift | VoucherImportDiscount;

export type CampaignsImportCreateRequestBody = Array<CampaignsImportVoucherItem>;

export type CreateApiV1CampaignsCampaignIdImportArgs = {body: CampaignsImportCreateRequestBody};

export type CreateApiV1CampaignsCampaignIdImportOptions = {baseUrl?: string | undefined, XAppId?: string | undefined, XAppToken?: string | undefined, fetch?: typeof fetch | undefined};

export const campaignsImportCreateResponseBody = z.object({async_action_id: 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
};

/**
 * Import Vouchers to Campaign
 * 
 * POST /v1/campaigns/{campaignId}/import
 * 
 * Also accepts auth: X-Voucherify-OAuth
 */
export const createApiV1CampaignsCampaignIdImport = async (args: CreateApiV1CampaignsCampaignIdImportArgs, options?: CreateApiV1CampaignsCampaignIdImportOptions) => {
const {baseUrl = "https://api.voucherify.io", fetch: fetchFn = fetch, XAppId, XAppToken} = options ?? {}

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

if (XAppId !== undefined) headers.set("X-App-Id", XAppId)
if (XAppToken !== undefined) headers.set("X-App-Token", XAppToken)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/campaigns/${encodeURIComponent(String(args.campaignId))}/import${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(campaignsImportCreateResponseBody, await res.json())
};