//
//  FillSignUpCodeViewModel.swift
//  GMERemittance
//
//  Created by Sujal on 12/11/17.
//  Copyright © 2017 Gobal Money Express Co. Ltd. All rights reserved.
//

import Foundation

class FillCodeViewModel: ModelExtension {
    
    private let codeLength: Int = 4
    var userId: String?
    var signupCode: String?
    var recoveryType: String?
    
    var authenticated: Box<Bool?> = Box(nil)
    var fillCodeConnectionTimeOut: Box<Bool?> = Box(nil)
    
    var user_id = UserDefaults.standard.object(forKey: "com.gmeremit.username") as? String
}

extension FillCodeViewModel {
    
    /**
        To set the code for sign up
     - parameter code: secure code
     */
    func setCode(code: String) {
        signupCode = code
    }
    
    /**
     To set the user id for sign up
     - parameter userId: userId
     */
    func setUserId(userId: String) {
       self.userId = userId
    }
    
    /**
     To set the recoveryType for sign up
     - parameter recoveryType: password or device
     */
    func  setRecoveryType(recoveryType: String) {
        self.recoveryType = recoveryType
    }
    
    /**
     To check length of code for sign up
     - returns: Bool
     */
    func checkCodeLength() ->  isValid {
        
        guard signupCode?.count == codeLength else {
            return .InValid("Code is incomplete")
        }
        return .Valid
    }
}

extension FillCodeViewModel {
    
    /**
        Api request fot code validation
     */
    func authenticate() {
        if !Reachability.isConnectedToNetwork() {
            self.internetConnection.value = false
        } else {
            RestApiMananger.sharedInstance.authenticateUser(code: signupCode!, userId: self.userId!) { result in
                switch result {
                case .success(_):
                    self.authenticated.value = true
                case let .failure(errorJSON):
                    self.setErrorMessage(message: errorJSON["message"].stringValue)
                    self.authenticated.value = false
                case .updateAccessCode:
                    return
                case .logOutUser():
                    return
                case .timeOut:
                   self.fillCodeConnectionTimeOut.value = false
                }
            }
        }
    }
    
    /**
        Api request to change password
     */
    func enablePasswordChange() {
        if !Reachability.isConnectedToNetwork() {
            self.internetConnection.value = false
        } else {
            RestApiMananger.sharedInstance.reAuthenticateUser(code: signupCode!, userId: self.userId!) { result in
                switch result {
                case .success(_):
                    self.authenticated.value = true
                case let .failure(errorJSON):
                    self.setErrorMessage(message: errorJSON["message"].stringValue)
                    self.authenticated.value = false
                case .updateAccessCode:
                    return
                case .logOutUser():
                    return
                case .timeOut:
                    self.fillCodeConnectionTimeOut.value = false
                }
            }
        }
    }
    
    /**
        Api request for signup code
     */
    func requestCode() {
        if !Reachability.isConnectedToNetwork() {
           self.internetConnection.value = false
        } else {
            RestApiMananger.sharedInstance.requestAnotherCode(type: self.recoveryType!, userId: self.userId!) { result in
                switch result {
                case .success(_):
                    self.authenticated.value = nil
                case let .failure(errorJSON):
                    self.setErrorMessage(message: errorJSON["message"].stringValue)
                    self.authenticated.value = nil
                case .updateAccessCode:
                    return
                case .logOutUser():
                    return
                case .timeOut:
                    self.fillCodeConnectionTimeOut.value = false
                }
            }
        }
    }
}