import {z} from 'zod'

export type PaymentCredential = {type: string} | {[key: string]: unknown};

export type EvmAuthCaptureEscrowInstrument = {id: string, handler_id: string, type: 'evm_auth_capture_escrow', billing_address?: ({extended_address?: string | undefined, street_address?: string | undefined, address_locality?: string | undefined, address_region?: string | undefined, address_country?: string | undefined, postal_code?: string | undefined, first_name?: string | undefined, last_name?: string | undefined, phone_number?: string | undefined}) | undefined, credential?: PaymentCredential | undefined, display?: {[key: string]: unknown} | undefined, payment_info_hash: string, operator: string, payer: string, receiver: string, token: {address?: string | undefined, symbol: string, decimals: number}, max_amount: {value: string, currency: {chain_id: number, address: string, decimals: number}}, preapproval_expires_at: string, authorization_expires_at: string, refund_expires_at: string, nonce: string, chain_id: number, contract: string, amount: {value: string, currency: {chain_id: number, address: string, decimals: number}}} | {[key: string]: unknown};

export type CreateApiPaymentInstrumentsArgs = {body: EvmAuthCaptureEscrowInstrument};

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

export const paymentCredential = z.object({type: z.string()}).and(z.record(z.string(), z.unknown()));

export const evmAuthCaptureEscrowInstrument = z.object({id: z.string(), handler_id: z.string(), type: z.literal("evm_auth_capture_escrow"), billing_address: z.object({extended_address: z.string().optional(), street_address: z.string().optional(), address_locality: z.string().optional(), address_region: z.string().optional(), address_country: z.string().optional(), postal_code: z.string().optional(), first_name: z.string().optional(), last_name: z.string().optional(), phone_number: z.string().optional()}).optional(), credential: paymentCredential.optional(), display: z.record(z.string(), z.unknown()).optional(), payment_info_hash: z.string(), operator: z.string(), payer: z.string(), receiver: z.string(), token: z.object({address: z.string().optional(), symbol: z.string(), decimals: z.number().int().gte(0).lte(255)}), max_amount: z.object({value: z.string(), currency: z.object({chain_id: z.number().int().gte(1), address: z.string(), decimals: z.number().int().gte(0).lte(255)})}), preapproval_expires_at: z.string(), authorization_expires_at: z.string(), refund_expires_at: z.string(), nonce: z.string(), chain_id: z.number().int().gte(1), contract: z.string(), amount: z.object({value: z.string(), currency: z.object({chain_id: z.number().int().gte(1), address: z.string(), decimals: z.number().int().gte(0).lte(255)})})}).and(z.record(z.string(), z.unknown()));

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
};

/**
 * Register payment instrument
 * 
 * POST /payment-instruments
 */
export const createApiPaymentInstruments = async (args: CreateApiPaymentInstrumentsArgs, options?: CreateApiPaymentInstrumentsOptions) => {
const {baseUrl = "http://localhost:8000", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/payment-instruments${query.size > 0 ? `?${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(evmAuthCaptureEscrowInstrument, await res.json())
};