LONDON-IOS/GMERemittance/_Login/LoginViewModel.swift

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

import Foundation

class LoginViewModel: SignUpViewModel, Login {
    
    var loggedin: Box<Bool?> = Box(nil)
    var loggedInConnectionTimeOut: Box<Bool?> = Box(nil)
    var userId: String?
    var pass: String?
    var dpUrl: String?
    var userName: String?
    var fillSignUpCode: Bool = false
}

extension LoginViewModel {
    /**
        To add user id and password
     - parameter userId: account userid
     - parameter password: account password
     */
    func setCredentials(userId: String, password: String) {
        self.userId = userId
        self.pass = password.toBase64()
    }
    
    /**
     Validate userid and password
     - parameter userId: account userid
     - parameter password: account password
     */

    func checkParams(username: String, password: String) -> isValid {
        if (username.isBlank || password.isBlank) {
            return .InValid("Please fill all the fields")
        } else {
            if isNumber(username: username) {
                if isValidPhone(phone: username) {
                    if isValidPasswordLength(password: password) {
                        return .Valid
                    } else {
                        return .InValid("InValid Password Length")
                    }
                }
                return .InValid("InValid Phone")
            } else {
                if isValidEmail(email: username) {
                    if isValidPasswordLength(password: password) {
                        return .Valid
                    } else {
                        return .InValid("InValid Password Length")
                    }
                }
                return .InValid("InValid Email")
            }
        }
    }
    
    /**
        Api requesr for Login
     */
    
    private func save(value: Any?, forKey: String) {
        let defaults = UserDefaults.standard
        defaults.set(value, forKey: forKey)
        
    }
    func logIn() {
        if !Reachability.isConnectedToNetwork() {
            self.internetConnection.value = false
        } else {
            
            let passwordBase64Data = Data(base64Encoded: pass!)!
            let password = String(data: passwordBase64Data, encoding: .utf8)!
            self._login(userId: self.userId ?? "", password: password, success: { (user) in
                
                
                let accessCode = user?.accessCode ?? ""
                let uuid = RestApiMananger.sharedInstance.getUUID()
                let accessCodeBase64 = accessCode + ":" + uuid.toBase64()
                self.save(value: user?.dpUrl ?? "", forKey: UserKeys.dpUrl)
                self.save(value: user?.walletNumber ?? "", forKey: UserKeys.walletNumber)
                self.save(value: user?.primaryBankName ?? "", forKey: UserKeys.primaryBankName)
                
                let firstName = user?.firstName ?? ""
                let middleName = user?.lastName ?? ""
                let lastName = user?.lastName ?? ""
                let fullName = firstName + " " + middleName + " " + lastName
                self.save(value: fullName, forKey: UserKeys.fullName)
                self.save(value: accessCodeBase64, forKey: UserKeys.accessCode)
                self.save(value: user?.userId ?? "", forKey: UserKeys.userId)
                self.save(value: user?.nickName ?? "", forKey: UserKeys.nickName)
                self.save(value: user?.availableBalance ?? "", forKey: UserKeys.availableBalance)
                self.save(value: user?.rewardPoint ?? "", forKey: UserKeys.rewardPoint)
                self.save(value: user?.verified ?? "", forKey: UserKeys.verified)
                self.save(value: user?.kyc ?? "", forKey: UserKeys.kyc)
                self.save(value: true, forKey: "com.gmeremit.loginStatus")
                self.save(value: user?.email ?? "", forKey: UserKeys.email)
                self.save(value: user?.mobileNumber ?? "", forKey: UserKeys.mobileNumber)
                self.save(value: user?.sourceId ?? "", forKey: UserKeys.sourceId)
                self.save(value: password, forKey: "com.gmeremit.password")
                self.save(value: user?.isReferred ?? "", forKey: UserKeys.isReferred)
                self.save(value: user?.idType ?? "", forKey: UserKeys.idType)
                self.save(value: user?.idNumber ?? "", forKey: UserKeys.idNumber)
                self.save(value: user?.country ?? "" , forKey: UserKeys.country)
                self.save(value: user?.countryCode, forKey: UserKeys.countryCode)
                self.save(value: user?.senderId, forKey: UserKeys.senderId)
                
                self.loggedin.value = true
                
            }) { (error) in
                self.setErrorMessage(message: error.localizedDescription)
                let errorMessage = error.localizedDescription
                if errorMessage.contains("is already registered, please click") {
                     UserDefaults.standard.set(self.userId, forKey: UserKeys.userId)
                    self.fillSignUpCode = true
                }
                self.loggedin.value = false
            }
        }
    }

    /**
     To redirect Code fill up view
     - returns: code status
     */
    func redirectToCodeFillUp() -> Bool {
        return fillSignUpCode
    }
}