//
//  ForgotPasswordViewController.swift
//  Lockdown
//
//  Created by Johnny Lin on 1/31/20.
//  Copyright © 2020 Confirmed Inc. All rights reserved.
//

import Foundation
import UIKit
import PopupDialog
import PromiseKit

final class ForgotPasswordViewController: BaseViewController, UITextFieldDelegate, Loadable {
    
    @IBOutlet weak var emailField: UITextField!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        emailField.delegate = self
        setupToHideKeyboardOnTapOnView()
    }
    
    func setupToHideKeyboardOnTapOnView() {
        let tap: UITapGestureRecognizer = UITapGestureRecognizer(
            target: self,
            action: #selector(self.dismissKeyboard))
        tap.cancelsTouchesInView = false
        view.addGestureRecognizer(tap)
    }

    @objc private func dismissKeyboard() {
        view.endEditing(true)
    }
    
    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
        if textField == emailField {
            textField.resignFirstResponder()
            submit()
        }
        return false
    }
    
    @IBAction func submit() {
        guard let email = emailField.text else {
            showPopupDialog(title: .localized("check_fields"), message: "Email must not be empty", acceptButton: .localizedOK)
            return
        }
        showLoadingView()
        firstly {
            try Client.forgotPassword(email: email)
        }
        .done { _ in
            self.hideLoadingView()
            self.showPopupDialog(
                title: .localized("check_email"),
                message: .localized("we_have_sent_a_reset_password_email"),
                acceptButton: .localizedOK) {
                self.dismiss(animated: true, completion: nil)
            }
        }
        .catch { error in
            self.hideLoadingView()
            var errorMessage = error.localizedDescription
            if let apiError = error as? ApiError {
                errorMessage = apiError.message
            }
            self.showPopupDialog(title: "Error Sending Reset Password Email", message: errorMessage, acceptButton: .localizedOK)
        }
    }
    
    @IBAction func cancelTapped(_ sender: Any) {
        self.dismiss(animated: true, completion: nil)
    }
    
}