import {z} from 'zod'

export type Destination = {country?: string | undefined, googlePlaceId?: string | undefined, state?: string | undefined};

export type StandardCoverageOptionRequestDto = {selected?: boolean | undefined};

export type InitialDepositBaseCoverageOptionRequestDto = {selected?: boolean | undefined, initialDepositDate?: string | undefined};

export type CarDateDto = {startDate: string, endDate: string, noOfCars?: number | undefined};

export type CarRentalCoverageRequestDto = {selected?: boolean | undefined, carDatesDto: Array<CarDateDto>, noOfCars?: number | undefined};

export type AddonsRequestDto = {petOption?: StandardCoverageOptionRequestDto | undefined, trcOption?: StandardCoverageOptionRequestDto | undefined, cfarOption?: InitialDepositBaseCoverageOptionRequestDto | undefined, cfwrOption?: InitialDepositBaseCoverageOptionRequestDto | undefined, adventureOption?: StandardCoverageOptionRequestDto | undefined, vacationRentalOption?: StandardCoverageOptionRequestDto | undefined, medicalUpgrade?: StandardCoverageOptionRequestDto | undefined, carRentalOption?: CarRentalCoverageRequestDto | undefined};

export type AddressDto = {addressLine1: string, addressLine2?: string | undefined, city: string, state: string, zip: string, country: string};

export type ProspectiveCustomerDto = {firstName: string, lastName: string, email?: string | undefined, dob: string};

export type UtmDto = {key: string, value: string};

export type CreatePurchaseDto = {advisorId?: string | undefined, departureDate: string, returnDate: string, destination: Array<Destination>, tripCost?: number | undefined, coverageOptions?: AddonsRequestDto | undefined, productId?: ('PR-STANDARD-01' | 'PR-SPORTS-01' | 'PR-CFAR-01' | 'PR-STANDARD-DO' | 'PR-SPORTS-DO' | 'PR-CFAR-DO' | 'PR-STR' | 'PR-GENERAL-STR' | 'RETAIL' | 'PR-FirstCountrywide' | 'PR-ForwardCountrywide' | 'PR-FlagshipCountrywide') | undefined, productIds?: Array<string> | undefined, productCode: string, timezone?: string | undefined, address: AddressDto, primaryEmail: string, travelerDetails: Array<ProspectiveCustomerDto>, paymentToken?: string | undefined, paymentIntent?: string | undefined, paymentMethod?: string | undefined, paymentCustomerId?: string | undefined, paymentService?: ('stripe' | 'checkOut') | undefined, expectedPrice: number, externalId?: string | undefined, noTravellers?: number | undefined, utms?: Array<UtmDto> | undefined};

export type CreateApiV1PurchaseArgs = {Authorization?: string | undefined, body: CreatePurchaseDto};

export type CreateApiV1PurchaseOptions = {baseUrl?: string | undefined, bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const policyholderDto = z.object({name: z.string(), planId: z.string()});

export const purchasePolicyDto = z.object({purchaseId: z.string(), plans: z.array(policyholderDto).optional(), totalPrice: z.number().multipleOf(0.01), paymentIntent: z.string().optional(), policyUrl: z.string().optional(), receiptUrl: z.string().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
};

/**
 * Purchase coverage
 * 
 * POST /v1/purchase
 */
export const createApiV1Purchase = async (args: CreateApiV1PurchaseArgs, options?: CreateApiV1PurchaseOptions) => {
const {baseUrl = "https://partnerapi.withfaye.com", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))
if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/purchase${query.size > 0 ? `?${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(purchasePolicyDto, await res.json())
};