import {z} from 'zod'

export type GetApiWalletArgs = {org_wallet_ref?: number | undefined};

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

export const expense = z.object({_id: z.string().optional(), amount: z.number().optional(), fees: z.number().optional(), charge: z.number().optional(), original_currency: z.string().optional(), currency: z.string().optional(), original_amount: z.number().optional(), transaction_ref: z.string().optional(), provider_ref: z.string().optional(), employee_id: z.string().optional(), person: z.string().optional(), transaction_date: z.string().optional(), MerchantCategoryCode: z.string().optional(), MerchantIdentifier: z.string().optional(), fx_rate: z.number().optional(), card_vcn: z.string().optional(), receiver: z.string().optional(), payment_type: z.string().optional(), channel: z.string().optional(), subcategory: z.object({}).nullable().optional(), team: z.object({_id: z.string().optional(), name: z.string().optional(), code: z.string().optional()}).optional(), tag: z.array(z.string()).optional(), notes: z.string().optional(), risk: z.string().optional(), risk_notes: z.string().optional(), attachments: z.array(z.string()).optional(), payment_status: z.string().optional(), status: z.string().optional(), review_participants: z.array(z.string()).optional(), review_mandate: z.number().int().optional(), review_level: z.number().int().optional(), events: z.array(z.object({})).optional(), exported: z.boolean().optional(), sync_successful: z.boolean().optional(), org_wallet_ref: z.string().optional(), vendor: z.string().optional(), customer: z.object({}).nullable().optional(), subscription_id: z.string().optional(), account_number: z.string().optional(), reviews: z.array(z.object({})).optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const topup = z.object({_id: z.string().optional(), ref: z.string().optional(), description: z.string().optional(), amount: z.number().optional(), account: z.string().optional(), channel: z.string().optional(), is_employee_topup: z.boolean().optional(), exported: z.boolean().optional(), sync_successful: z.boolean().optional(), created_by: z.string().optional(), status: z.string().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const refund = z.object({_id: z.string().optional(), ref: z.string().optional(), transaction_ref: z.string().optional(), description: z.string().optional(), amount: z.number().optional(), account: z.string().optional(), employee_id: z.string().optional(), status: z.string().optional(), org_wallet_ref: z.string().optional(), currency: z.string().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const statementEntry = z.object({_id: z.string().optional(), currency: z.string().optional(), org_wallet_ref: z.string().optional(), account: z.string().optional(), credit: z.number().optional(), debit: z.number().optional(), counter: z.number().int().optional(), description: z.string().optional(), ref: z.string().optional(), created_by: z.string().optional(), transaction_type: z.enum(["EXPENSE", "TOPUP", "REFUND", "REVERSAL"]).optional(), running_balance: z.number().optional(), business_running_balance: z.number().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional(), expense: expense.optional(), topup: topup.optional(), refund: refund.optional()});

export const statementResponse = z.object({docs: z.array(statementEntry).optional(), total: z.number().int().optional(), limit: z.string().optional(), page: z.string().optional(), pages: z.number().int().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 Business Balance
 * 
 * GET /wallet
 */
export const getApiWallet = async (args: GetApiWalletArgs, options?: GetApiWalletOptions) => {
const {baseUrl = "https://api.boyahq.com/v1", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.org_wallet_ref != null) headers.set("org_wallet_ref", String(args.org_wallet_ref))
if (ApiKeyAuth !== undefined) headers.set("X-API-KEY", ApiKeyAuth)

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