LONDON-IOS/GMERemittance/Api/RestApiManager.swift

//
//  RestApiManager.swift
//  GMERemittance
//
//  Created by Sujal on 12/5/17.
//  Copyright © 2017 Gobal Money Express Co. Ltd. All rights reserved.
//

import Foundation
import Alamofire
import SwiftyJSON
import ObjectMapper
import Localize_Swift

enum ApiResult {
  case success(JSON)
  case failure(JSON)
}


enum Server {
  case uat2
  case uat
  case staging
  case live
  case kftcTest
}

class RestApiMananger {
  
  let manager: SessionManager
  
  
  static let sharedInstance = RestApiMananger()
  
  init() {
    self.manager = Alamofire.SessionManager.default
    manager.session.configuration.timeoutIntervalForRequest = 150
  }
  
  func getUUID() -> String {
    
    let uuid = GMEDB.shared.app.string(.uuid)
    if uuid != nil {
      return uuid!
    } else {
      let uuid = UUID().uuidString
      GMEDB.shared.app.set(uuid, .uuid)
      return uuid
    }
  }
  
  func getContentHeaderBeforeLogin() -> [String: String] {
    
    return ["Authorization": "Basic " + ("172017F9EC11222E8107142733:QRK2UM0Q" +
      ":" + getUUID()).toBase64(),
            "GME-TOKEN" : "39587YT398@FBQOW8RY3#948R7GB@CNEQW987GF87$TD18$1981..919@@##joghndvberteiru",
            "Content-Type": "application/json"]
  }
  
  func getContentHeaderAfterLogin() -> [String: String] {
    let accessCode = GMEDB.shared.user.string(.accessCode) ?? ""
    
    let currentLanguage = Localize.currentLanguage()
    let lang = Utility.getLanguageHeader(for: currentLanguage)
    return [
      "Authorization": "Bearer " + accessCode,
      "GME-TOKEN" : "39587YT398@FBQOW8RY3#948R7GB@CNEQW987GF87$TD18$1981..919@@##joghndvberteiru",
      "Content-Type": "application/json",
      "clientId": Utility.getMyKftcClientId(),
      "lang" : lang
    ]
  }
  
  // ccr
  //    added failure for delete operation. check if code is 204. if show show successfull message even in error
  func request<T: Mappable>(method: HTTPMethod, url: String, params: [String: Any]?, encoding: ParameterEncoding = JSONEncoding.default, needsAuthorization: Bool = true,  success: @escaping (T) -> (), failure: @escaping (Error) -> ()) {
    if NetworkReachabilityManager()?.isReachable ?? false {
      let header = needsAuthorization ? getContentHeaderAfterLogin() : getContentHeaderBeforeLogin()
      manager.request(
        url,
        method: method,
        parameters: params,
        encoding: encoding,
        headers: header
        ).handle(success: success, failure: failure)
    }else {
      let error = NSError.init(domain: "NETWORK_REACHABILITY_DOMAIN", code: -99, userInfo: [NSLocalizedDescriptionKey : "No Internet connection found. 
Check your connection."])
      failure(error)
    }
  }
  
  func kftcRequest<T: Mappable>(method: HTTPMethod, header: [String: String], url: String, params: [String: Any]?, encoding: ParameterEncoding = JSONEncoding.default, needsAuthorization: Bool = true,  success: @escaping (T) -> (), failure: @escaping (Error) -> ()) {
    if NetworkReachabilityManager()?.isReachable ?? false {
      manager.request(
        url,
        method: method,
        parameters: params,
        encoding: encoding,
        headers: header
        ).handle(success: success, failure: failure)
    }else {
      let error = NSError.init(domain: "NETWORK_REACHABILITY_DOMAIN", code: 0, userInfo: [NSLocalizedDescriptionKey : "No Internet connection found. 
Check your connection."])
      failure(error)
    }
  }
  
  func requestMultipart<T: Mappable>(
    method: HTTPMethod,
    _ URLString: URLConvertible,
    parameters: [String: String]? = nil,
    images: [String: Data],
    encoding: Alamofire.ParameterEncoding = URLEncoding.default,
    needsAuthorization: Bool = true,
    success: @escaping (T)-> Void,
    failure: @escaping (Error) -> ()) {
    
    if NetworkReachabilityManager()?.isReachable == true {
      let headers = needsAuthorization ? getContentHeaderAfterLogin() : getContentHeaderBeforeLogin()
      
      self.manager.upload(
        multipartFormData: { multipartFormData in
          if !images.isEmpty {
            images.forEach({ (data) in
              multipartFormData.append(data.value, withName: data.key, fileName: data.key + ".jpeg", mimeType: "image/jpeg")
            })
            
          }
          parameters?.forEach({ (params) in
            multipartFormData.append(params.value.data(using: String.Encoding.utf8, allowLossyConversion: false)!, withName: params.key)
          })
          
      },
        to: URLString,
        method: method,
        headers: headers,
        encodingCompletion: { encodingResult in
          switch encodingResult {
          case .success(let upload, _, _):
            upload.handle(success: success, failure: failure)
          case .failure:
            let error = NSError.init(domain: "NETWORK_REACHABILITY_DOMAIN", code: 0, userInfo: [NSLocalizedDescriptionKey : "No Internet connection found. 
Check your connection."])
            failure(error)
            
          }
      }
      )
      
    } else {
      let error = NSError.init(domain: "NETWORK_REACHABILITY_DOMAIN", code: 0, userInfo: [NSLocalizedDescriptionKey : "No Internet connection found. 
Check your connection."])
      failure(error)
    }
  }
  
  
}