/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2021-2021. All rights reserved.
 */

import Foundation

///Promise AGCCloudDBHanding blueprint and declerations.
protocol AGCCloudDBHanding {
  func handle(resolve: @escaping RCTPromiseResolveBlock, _ isSuccess: Bool?, _ message: String?)
  func handle<T>(resolve: RCTPromiseResolveBlock, _ instance: T)
  func fail(with error: Error?, reject: @escaping RCTPromiseRejectBlock)
}

extension AGCCloudDBHanding {
  func handle(resolve: @escaping RCTPromiseResolveBlock, _ isSuccess: Bool?=true, _ message: String?=nil) {
    AGCCloudDBPromise.shared.resolve(resolve: resolve, isSuccess, message)
  }
  
  func handle(resolve: RCTPromiseResolveBlock) {
    AGCCloudDBPromise.shared.resolve(resolve: resolve)
  }
  
  func handle<T>(resolve: RCTPromiseResolveBlock, _ instance: T) {
    AGCCloudDBPromise.shared.resolve(resolve: resolve, instance: instance)
  }
  
  func fail(with error: Error?, reject: @escaping RCTPromiseRejectBlock){
    AGCCloudDBPromise.shared.reject(reject: reject, error: error)
  }
  
  func fail(with error: NSError, reject: @escaping RCTPromiseRejectBlock){
    AGCCloudDBPromise.shared.reject(reject: reject, error: error)
  }
  
  func fail(with message: String, reject: @escaping RCTPromiseRejectBlock) {
    AGCCloudDBPromise.shared.reject(reject: reject, errorMessage: message)
  }
}

class AGCCloudDBPromise {
  static let shared = AGCCloudDBPromise()
  
  private init() { }
  
  func resolve<T>(resolve: RCTPromiseResolveBlock, instance: T?) {
    resolve(instance)
  }
  
  func resolve(resolve: RCTPromiseResolveBlock) {
    resolve(NSNull())
  }
  
  func resolve(resolve: @escaping RCTPromiseResolveBlock, _ isSuccess: Bool?, _ message: String?) {
    resolve(NSNull())
  }
  
  func reject(reject: RCTPromiseRejectBlock, error: Error?) {
    reject("-1", error.debugDescription, error)
  }
  
  func reject(reject: RCTPromiseRejectBlock, error: NSError) {
    reject(String(error.code), error.description, error)
  }
  
  func reject(reject: RCTPromiseRejectBlock, errorMessage: String) {
    let error = NSError(domain: errorMessage, code: -1, userInfo: nil)
    reject(String(error.code), errorMessage.description, error)
  }
  
}