import {z} from 'zod'

export type MonetaryAmount = {amount?: number | undefined, currency?: string | undefined};

export type TimeStamp = number;

export type PostChargeOffInformation = {balanceAtChargeOff?: MonetaryAmount | undefined, chargeOffTimestamp?: TimeStamp | undefined, feesAccruedSinceChargeOff?: MonetaryAmount | undefined, interestAccruedSinceChargeOff?: MonetaryAmount | undefined, totalPaidSinceChargeOff?: MonetaryAmount | undefined};

export type Debt = {biller?: string | undefined, product?: string | undefined, initialPrincipal?: MonetaryAmount | undefined, initialInterest?: MonetaryAmount | undefined, initialFees?: MonetaryAmount | undefined, postChargeOffInformation?: PostChargeOffInformation | undefined, transactionId?: string | undefined, transactionIp?: string | undefined, transactionTimestamp?: number | undefined, defaultTimestamp?: TimeStamp | undefined, accountOpenTimestamp?: TimeStamp | undefined, clientFields?: Record<string, never> | undefined, sendCbrNegativeNotice?: boolean | undefined, hasSentCbrNegativeNotice?: boolean | undefined};

export type CreateApiCustomersCustomerIdDebtsArgs = {body: Debt};

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

export const monetaryAmount = z.object({amount: z.number().int().optional(), currency: z.string().optional()});

export const timeStamp = z.number().int();

export const postChargeOffInformation = z.object({balanceAtChargeOff: monetaryAmount.optional(), chargeOffTimestamp: timeStamp.optional(), feesAccruedSinceChargeOff: monetaryAmount.optional(), interestAccruedSinceChargeOff: monetaryAmount.optional(), totalPaidSinceChargeOff: monetaryAmount.optional()});

export const debt = z.object({biller: z.string().optional(), product: z.string().optional(), initialPrincipal: monetaryAmount.optional(), initialInterest: monetaryAmount.optional(), initialFees: monetaryAmount.optional(), postChargeOffInformation: postChargeOffInformation.optional(), transactionId: z.string().max(1024).optional(), transactionIp: z.string().optional(), transactionTimestamp: z.number().int().optional(), defaultTimestamp: timeStamp.optional(), accountOpenTimestamp: timeStamp.optional(), clientFields: z.object({}).optional(), sendCbrNegativeNotice: z.boolean().optional(), hasSentCbrNegativeNotice: z.boolean().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
};

/**
 * Add one debt to customer
 * 
 * POST /customers/{customerId}/debts/
 */
export const createApiCustomersCustomerIdDebts = async (args: CreateApiCustomersCustomerIdDebtsArgs, options?: CreateApiCustomersCustomerIdDebtsOptions) => {
const {baseUrl = "https://api.trueaccord.com/api/v1", 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 = `${baseUrl.replace(/\/+$/, '')}/customers/${encodeURIComponent(String(args.customerId))}/debts/${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(debt, await res.json())
};