import {z} from 'zod'

export type CreateApiBillingTerminalInvoicesArgs = {merchant: string, body: {terminalId: string, memo?: string | undefined, items: Array<{description?: string | undefined, accountingCode?: string | undefined, amount?: ({currency: string, value: number, type?: string | undefined}) | undefined, tax?: ({rate?: number | undefined}) | undefined, reference?: string | undefined}>, autoPayment?: boolean | undefined, externalInvoiceId?: string | undefined, customerId?: string | undefined}};

export type CreateApiBillingTerminalInvoicesOptions = {baseUrl?: string | undefined, oauth2Jwt?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiBillingTerminalInvoicesResponse = z.object({id: z.string().optional(), creditNoteId: z.unknown(), documentNumber: z.string().optional(), date: z.string().optional(), dueDate: z.string().optional(), scheduledPaymentDate: z.unknown(), status: z.string().optional(), memo: z.string().optional(), items: z.array(z.object({description: z.string().optional(), amount: z.object({currency: z.string().optional(), value: z.number().int().optional(), type: z.unknown()}).optional(), tax: z.object({rate: z.number().int().optional()}).optional(), id: z.string().optional(), type: z.string().optional(), discounted: z.object({currency: z.string().optional(), value: z.number().int().optional(), type: z.unknown()}).optional(), accountingCode: z.unknown(), reference: z.unknown()})).optional(), amount: z.object({currency: z.string().optional(), value: z.number().int().optional(), type: z.unknown()}).optional(), amountWithoutDiscount: z.object({currency: z.string().optional(), value: z.number().int().optional(), type: z.unknown()}).optional(), totalDiscounted: z.object({currency: z.string().optional(), value: z.number().int().optional(), type: z.unknown()}).optional(), totalRefunded: z.object({currency: z.string().optional(), value: z.number().int().optional(), type: z.unknown()}).optional(), totalTax: z.object({currency: z.string().optional(), value: z.number().optional(), type: z.unknown()}).optional(), customerId: z.unknown(), subscriptionId: z.unknown(), checkoutId: z.unknown(), subscriptionName: z.unknown(), paymentMethodToken: z.unknown(), paymentMethodData: z.unknown(), autoPayment: z.boolean().optional(), processingModel: z.string().optional(), transactionSource: z.unknown(), createdOn: z.string().optional(), payNowUrl: z.unknown(), channel: z.string().optional(), checkoutResult: z.unknown(), customerFirstName: z.unknown(), customerLastName: z.unknown(), terminalId: z.string().optional(), invoiceCategory: z.string().optional(), invoiceSubCategory: 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
};

/**
 * Create A Terminal Invoice
 * 
 * POST /billing/terminal/invoices
 */
export const createApiBillingTerminalInvoices = async (args: CreateApiBillingTerminalInvoicesArgs, options?: CreateApiBillingTerminalInvoicesOptions) => {
const {baseUrl = "https://api-sandbox.ezypay.com/v2", fetch: fetchFn = fetch, oauth2Jwt} = options ?? {}

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

if (args.merchant != null) headers.set("merchant", String(args.merchant))
if (oauth2Jwt !== undefined) headers.set('authorization', `Bearer ${oauth2Jwt}`)

const url = `${baseUrl.replace(/\/+$/, '')}/billing/terminal/invoices${query.size > 0 ? `?${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(createApiBillingTerminalInvoicesResponse, await res.json())
};