import {z} from 'zod'

export type HostedPaymentId = string;

export type GetApiHostedPaymentsIdArgs = {id: HostedPaymentId};

export type GetApiHostedPaymentsIdOptions = {baseUrl: string, ApiSecretKey?: string | undefined, fetch?: typeof fetch | undefined};

export const paymentInterfacesProducts = z.array(z.object({reference: z.string().max(255).optional(), url: z.string().max(1024).optional(), name: z.string().max(255), quantity: z.number().int().gte(1), price: z.number().int().gte(0)}));

export const amountAllocations = z.array(z.object({id: z.string(), amount: z.number().int().gte(0).lte(9999999999), reference: z.string().max(50).optional(), commission: z.object({amount: z.number().int().gte(0).optional(), percentage: z.number().gte(0).lte(100).optional()}).optional()}));

export const getHostedPaymentsResponse = z.discriminatedUnion("status", [z.object({id: z.string().min(16).max(16), status: z.literal("Payment Pending"), payment_id: z.string().optional(), amount: z.number().int(), currency: z.string(), reference: z.string().optional(), description: z.string().optional(), customer: z.object({email: z.string().optional(), name: z.string().optional()}).optional(), billing: z.object({address: z.object({address_line1: z.string().max(200).optional(), address_line2: z.string().max(200).optional(), city: z.string().max(50).optional(), state: z.string().max(3).optional(), zip: z.string().max(50).optional(), country: z.string().min(2).max(2)}), phone: z.object({country_code: z.string().min(1).max(7).optional(), number: z.string().max(25)}).optional()}), products: paymentInterfacesProducts.optional(), metadata: z.object({}).optional(), success_url: z.string(), cancel_url: z.string(), failure_url: z.string(), amount_allocations: amountAllocations.optional(), _links: z.object({self: z.object({href: z.string()}), redirect: z.object({href: z.string()}), payment: z.object({href: z.string()}).optional(), payment_actions: z.object({href: z.string()}).optional()})}), z.object({id: z.string().min(16).max(16), status: z.literal("Payment Received"), payment_id: z.string(), amount: z.number().int(), currency: z.string(), reference: z.string().optional(), description: z.string().optional(), customer: z.object({email: z.string().optional(), name: z.string().optional()}).optional(), billing: z.object({address: z.object({address_line1: z.string().max(200).optional(), address_line2: z.string().max(200).optional(), city: z.string().max(50).optional(), state: z.string().max(3).optional(), zip: z.string().max(50).optional(), country: z.string().min(2).max(2)}), phone: z.object({country_code: z.string().min(1).max(7).optional(), number: z.string().max(25)}).optional()}), products: paymentInterfacesProducts.optional(), metadata: z.object({}).optional(), success_url: z.string(), cancel_url: z.string(), failure_url: z.string(), amount_allocations: amountAllocations.optional(), _links: z.object({self: z.object({href: z.string()}), redirect: z.object({href: z.string()}), payment: z.object({href: z.string()}).optional(), payment_actions: z.object({href: z.string()}).optional()})}), z.object({id: z.string().min(16).max(16), status: z.literal("Expired"), payment_id: z.string().optional(), amount: z.number().int(), currency: z.string(), reference: z.string().optional(), description: z.string().optional(), customer: z.object({email: z.string().optional(), name: z.string().optional()}).optional(), billing: z.object({address: z.object({address_line1: z.string().max(200).optional(), address_line2: z.string().max(200).optional(), city: z.string().max(50).optional(), state: z.string().max(3).optional(), zip: z.string().max(50).optional(), country: z.string().min(2).max(2)}), phone: z.object({country_code: z.string().min(1).max(7).optional(), number: z.string().max(25)}).optional()}), products: paymentInterfacesProducts.optional(), metadata: z.object({}).optional(), success_url: z.string(), cancel_url: z.string(), failure_url: z.string(), amount_allocations: amountAllocations.optional(), _links: z.object({self: z.object({href: z.string()}), redirect: z.object({href: z.string()}), payment: z.object({href: z.string()}).optional(), payment_actions: z.object({href: 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
};

/**
 * Get Hosted Payments Page details
 * 
 * GET /hosted-payments/{id}
 */
export const getApiHostedPaymentsId = async (args: GetApiHostedPaymentsIdArgs, options: GetApiHostedPaymentsIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, ApiSecretKey} = options ?? {}

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

if (ApiSecretKey !== undefined) headers.set("Authorization", ApiSecretKey)

const url = `${baseUrl.replace(/\/+$/, '')}/hosted-payments/${encodeURIComponent(String(args.id))}${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(getHostedPaymentsResponse, await res.json())
};