LONDON-IOS/GMERemittance/TrackTransfer/TrackRecipientViewModel.swift

//
//  TrackTransferViewModel.swift
//  GMERemittance
//
//  Created by Fm-user on 2/5/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import Foundation
import  Alamofire

class TrackRecipientViewModel: ModelExtension {
    
    var recipientListObtained: Box<Bool?> = Box(nil)
    var recipientArray = [Recipient]()
    var recipientName: String?
    
    var trackRecipientTimeOut: Box<Bool?> = Box(nil)

    var request: URLRequest!
    
    /**
        Api request for recipient list
     - parameter String: Reciver name
     */
    func fetchRecipientList(queryString: String) {
        if !Reachability.isConnectedToNetwork() {
          self.internetConnection.value = false
        } else {
            let query_string = queryString
            RestApiMananger.sharedInstance.getFilteredRecipientList(queryString: queryString, userId: getUserId()) { result in
                switch result {
                case let .success(fetchedJSON):
                    
                    self.recipientArray.removeAll()
                    guard fetchedJSON.count > 0 else {
                        self.recipientListObtained.value = true
                        return
                    }
                    for i in 0 ... (fetchedJSON.count-1) {
                        do {
                            let recipient = try JSONDecoder().decode(Recipient.self, from: fetchedJSON[i].rawData())
                            self.recipientArray.append(recipient)
                        } catch {
                           self.recipientListObtained.value = false
                        }
                    }
                    
                    self.recipientListObtained.value = true
                    
                case let .failure(errorJSON):
                    self.setErrorMessage(message: errorJSON["message"].stringValue)
                    self.recipientListObtained.value = false
                case .updateAccessCode:
                    RestApiMananger.sharedInstance.updateAccessCode(userId: self.getUserId(), password: self.getLoginPassword()) {
                        result in
                        if result != "Error"{
                            UserDefaults.standard.set((result + ":" + RestApiMananger.sharedInstance.getUUID()).toBase64(), forKey: "com.gmeremit.accessCode")
                            self.fetchRecipientList(queryString: query_string)
                        }
                    }
                case .logOutUser():
                    RestApiMananger.sharedInstance.cancelExistingNetworkCalls()
                    self.anotherLogin.value = true
                case .timeOut:
                    self.trackRecipientTimeOut.value = false
                }
            }
        }
    }
    
    /**
        empty the array
     */
    func clearArray() {
        recipientArray.removeAll()
    }
    
    /**
        get the count of array
     */
    func getRecipientCount() -> Int {
        return recipientArray.count
    }
    
    /**
     - parameter index: position of recipient in an array
     - returns: recipient
     */
    func getFilteredRecipientList(index: Int) -> Recipient {
        return recipientArray[index]
    }
    
    /**
     - parameter index: position of recipient name in an array
     - returns: recipient name
     */
    func getRecipientName(index: Int) -> String {
        var recipientName: String?
        recipientName = self.recipientArray[index].getFullName()
        if let name = recipientName{
            return name
        }
        return "nil"
    }
    
    /**
     - parameter index: position of recipient phone in an array
     - returns: recipient phone
     */
    func getRecipientPhone(index: Int) -> String {
        var phoneNumber: String?
        phoneNumber = self.recipientArray[index].mobileNumber
        if let number = phoneNumber{
            return number
        }
        return "nil"
    }
}