import {z} from 'zod'

export type GetApiV1ExpensesExpenseIdArgs = {expenseId: string};

export type GetApiV1ExpensesExpenseIdOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const v1ExpensesExpenseIdGetResponseCategory = z.object({id: z.string().optional(), name: z.string().optional()});

export const v1ExpensesExpenseIdGetResponseReceipt = z.object({id: z.string().optional(), name: z.string().optional(), link: z.string().optional()});

export const v1ExpensesExpenseIdGetResponseItem = z.object({itemId: z.string().optional(), title: z.string().optional(), amount: z.number().optional(), date: z.string().optional(), category: v1ExpensesExpenseIdGetResponseCategory.optional(), description: z.string().optional(), receipts: z.array(v1ExpensesExpenseIdGetResponseReceipt).optional()});

export const v1ExpensesExpenseIdGetResponse = z.object({expenseId: z.string(), title: z.string(), status: z.enum(["DRAFT", "REVOKED", "APPROVAL_IN_PROGRESS", "APPROVED", "REJECTED", "PROCESSING", "PAID", "TO_BE_PAID", "ON_HOLD", "UNKNOWN"]), totalAmount: z.number(), currency: z.string(), submittedAt: z.string().optional(), createdOn: z.string().optional(), updatedOn: z.string().optional(), employeeId: z.string().optional(), items: z.array(v1ExpensesExpenseIdGetResponseItem).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
};

/**
 * Retrieve detailed expense information
 * 
 * GET /v1/expenses/{expenseId}
 */
export const getApiV1ExpensesExpenseId = async (args: GetApiV1ExpensesExpenseIdArgs, options?: GetApiV1ExpensesExpenseIdOptions) => {
const {baseUrl = "https://api.usemultiplier.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/expenses/${encodeURIComponent(String(args.expenseId))}${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(v1ExpensesExpenseIdGetResponse, await res.json())
};