LONDON-IOS/GMERemittance/Profile/WithdrawViewModel.swift

//
//  WithdrawViewModel.swift
//  GMERemittance
//
//  Created by Sujal on 2/13/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import Foundation

class WithdrawViewModel: ModelExtension {
    
    var amount: String!
    var reason: String!
    
    var requestProcessed: Box<Bool?> = Box(nil)
    
    var withdrawConnectionTimeOut: Box<Bool?> = Box(nil)
    
    let user_id = UserDefaults.standard.object(forKey: "com.gmeremit.username") as? String
    
    /**
        To check validation for withdraw
     */
    func validateAmountandReason() -> isValid {
        if amount.isBlank || reason.isBlank || reason == "Reason for withdraw" {
            return .InValid("Please fill all the fields")
        }
        return .Valid
    }
    
    /**
        To set amount and reason
     - parametet amount: withdraw amount
     - parameter reason: reason for withdraw
     */
    func setParam(amount: String, reason: String) {
        self.amount = amount.removeSpacesTrailingPreceding()
        self.reason = reason.removeSpacesTrailingPreceding()
    }

    /**
     To request for withdraw
     - parametet password: to comfirm with request user should type account password
     */
    func sendWithdrawRequest(password: String) {
        let passwordLocal = password
        let userId = UserDefaults.standard.object(forKey: "com.gmeremit.username") as? String
        let params: [String: String] = ["userId": userId!, "amount": amount, "reason": reason, "txnpassword": password]
        if !Reachability.isConnectedToNetwork() {
            self.internetConnection.value = false
        } else {
            RestApiMananger.sharedInstance.withdrawBalance(requestDetails: params) { result in
                switch result {
                    
                case .success(_):
                    self.requestProcessed.value = true
                case let .failure(errorJSON):
                    self.setErrorMessage(message: errorJSON["message"].stringValue)
                    self.requestProcessed.value = false
                case .updateAccessCode:
                    RestApiMananger.sharedInstance.updateAccessCode(userId: self.user_id!, password: self.getLoginPassword()) {
                        result in
                        if result != "Error"{
                            let uuid = RestApiMananger.sharedInstance.getUUID()
                            UserDefaults.standard.set((result + ":" + uuid).toBase64(), forKey: "com.gmeremit.accessCode")
                            self.sendWithdrawRequest(password: passwordLocal)
                        }
                    }
                case .logOutUser():
                    RestApiMananger.sharedInstance.cancelExistingNetworkCalls()
                    self.anotherLogin.value = true
                case .timeOut:
                    self.withdrawConnectionTimeOut.value = false
                }
            }
        }
    }
}