import {z} from 'zod'

export type RepaymentRequestHumaBody = {amount: string, effectiveDate?: string | undefined, transactionDate?: string | undefined};

export type CreateApiApiV1LoanAccountsIdRepaymentsArgs = {id: string, 'X-Request-ID'?: string | undefined, 'X-Idempotency'?: string | undefined, body: RepaymentRequestHumaBody};

export type CreateApiApiV1LoanAccountsIdRepaymentsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const repaymentAllocationHumaBody = z.object({dueDate: z.string(), feesAmount: z.string(), fullyPaid: z.boolean(), installmentNumber: z.number().int(), interestAmount: z.string(), penaltiesAmount: z.string(), principalAmount: z.string(), totalAmount: z.string()});

export const repaymentRecordHumaBody = z.object({allocations: z.array(repaymentAllocationHumaBody).nullable(), appliedAmount: z.string(), backdated: z.boolean(), effectiveDate: z.string(), loanAccountId: z.string(), overpaymentAmount: z.string(), requestId: z.string().optional(), transactionId: z.string()});

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
};

/**
 * Record repayment
 * 
 * POST /api/v1/loan-accounts/{id}/repayments
 */
export const createApiApiV1LoanAccountsIdRepayments = async (args: CreateApiApiV1LoanAccountsIdRepaymentsArgs, options?: CreateApiApiV1LoanAccountsIdRepaymentsOptions) => {
const {baseUrl = "https://identity.sandbox.lerian.net", fetch: fetchFn = fetch} = options ?? {}

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

if (args['X-Request-ID'] != null) headers.set("X-Request-ID", String(args['X-Request-ID']))
if (args['X-Idempotency'] != null) headers.set("X-Idempotency", String(args['X-Idempotency']))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/loan-accounts/${encodeURIComponent(String(args.id))}/repayments${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(repaymentRecordHumaBody, await res.json())
};