import {z} from 'zod'

export type PartnerFee = {factor: number | string};

export type OrderPurposeCategory = string;

export type OrderPurpose = {category?: OrderPurposeCategory | undefined, comment?: string | undefined};

export type CurrencyCode = string;

export type OrderInputType = 'bank_account' | 'bity_account' | 'crypto_address' | 'online_instant_payment';

export type InputAmountEstimateRequestInput = {currency: CurrencyCode, type?: OrderInputType | undefined};

export type OrderOutputType = 'bank_account' | 'bity_account' | 'crypto_address';

export type OutputAmount = string;

export type InputAmountEstimateRequestOutput = {currency: CurrencyCode, type?: OrderOutputType | undefined, amount: OutputAmount};

export type InputAmountEstimateRequest = {fix_invalid_amount?: boolean | undefined, partner_fee?: PartnerFee | undefined, purpose?: OrderPurpose | undefined, input: InputAmountEstimateRequestInput, output: InputAmountEstimateRequestOutput};

export type InputAmount = string;

export type OutputAmountEstimateRequestInput = {currency: CurrencyCode, type?: OrderInputType | undefined, amount: InputAmount};

export type OutputAmountEstimateRequestOutput = {currency: CurrencyCode, type?: OrderOutputType | undefined};

export type OutputAmountEstimateRequest = {fix_invalid_amount?: boolean | undefined, partner_fee?: PartnerFee | undefined, purpose?: OrderPurpose | undefined, input: OutputAmountEstimateRequestInput, output: OutputAmountEstimateRequestOutput};

export type AmountEstimateRequest = InputAmountEstimateRequest | OutputAmountEstimateRequest;

export type CreateApiOrdersEstimateMultipleArgs = {body: Array<AmountEstimateRequest>};

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

export const inputAmount = z.string();

export const currencyCode = z.string();

export const amount = z.string();

export const orderInputType = z.enum(["bank_account", "bity_account", "crypto_address", "online_instant_payment"]);

export const amountEstimateInput = z.object({amount: inputAmount, currency: currencyCode, minimum_amount: amount.optional(), object_information_optional: z.boolean().optional(), type: orderInputType});

export const orderingRequirementAccount = z.object({satisfied: z.boolean().optional()});

export const orderingRequirementAccountQuota = z.object({satisfied: z.boolean().optional()});

export const orderingRequirementKyc = z.object({satisfied: z.boolean().optional()});

export const orderingRequirements = z.object({account: orderingRequirementAccount.optional(), account_quota: orderingRequirementAccountQuota.optional(), kyc: orderingRequirementKyc.optional()});

export const outputAmount = z.string();

export const orderOutputType = z.enum(["bank_account", "bity_account", "crypto_address"]);

export const amountEstimateOutput = z.object({amount: outputAmount, currency: currencyCode, minimum_amount: amount.optional(), type: orderOutputType});

export const priceBreakdown = z.object({customer_trading_fee: z.object({amount: amount, currency: currencyCode}).optional(), instant_payment_fee: z.object({amount: amount, currency: currencyCode}).optional(), "non-verified_fee": z.object({amount: amount, currency: currencyCode}).optional(), output_transaction_cost: z.object({amount: amount, currency: currencyCode}).optional(), partner_fee: z.object({amount: amount, currency: currencyCode}).optional()});

export const amountEstimate = z.object({input: amountEstimateInput, ordering_requirements: orderingRequirements.optional(), output: amountEstimateOutput, price_breakdown: priceBreakdown});

export const createApiOrdersEstimateMultipleResponse = z.array(amountEstimate);

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
};

/**
 * Perform several estimations in one request
 * 
 * POST /orders/estimate/multiple
 * 
 * Also accepts auth: bity_account_client_oauth, client_oauth
 */
export const createApiOrdersEstimateMultiple = async (args: CreateApiOrdersEstimateMultipleArgs, options?: CreateApiOrdersEstimateMultipleOptions) => {
const {baseUrl = "https://exchange.api.bity.com/v2", fetch: fetchFn = fetch, bityAccountOauth} = options ?? {}

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

if (bityAccountOauth !== undefined) headers.set('authorization', `Bearer ${bityAccountOauth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/orders/estimate/multiple${query.size > 0 ? `?${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(createApiOrdersEstimateMultipleResponse, await res.json())
};