//
//  AccountViewPassword.swift
//  Wallet
//
//  Created by Igor Danich on 31.08.2020.
//  Copyright © 2020 List. All rights reserved.
//

import UIKit

class AccountViewPassword: CommonViewCustom {

//    @IBOutlet private var passwordView: UIView!
    @IBOutlet private weak var passwordTxtFld: CommonTextField!
    @IBOutlet private weak var newPasswordTxtFld: CommonTextField!
//    @IBOutlet private weak var lengthImgView: UIImageView!
    @IBOutlet private weak var submitBtn: UIButton!

    private var didSubmit: (() -> Void)?

    static func show(in viewController: UIViewController, oldPassword: String? = nil) {
        let view = AccountViewPassword()
        view.passwordTxtFld.isSecure = true
        view.passwordTxtFld.delegate = view
//        view.passwordTxtFld.rightViewMode = .always
        view.newPasswordTxtFld.isSecure = true
        view.newPasswordTxtFld.delegate = view
//        view.newPasswordTxtFld.rightViewMode = .always
        view.updateSecure()
        view.update()

        if oldPassword != nil {
            view.passwordTxtFld.isHidden = true
            view.passwordTxtFld.value = oldPassword!
            view.didSubmit = { [weak viewController] in
                UserDefaults.standard.setValue(!UserDefaults.standard.bool(forKey: "isPinPwdMode"),
                                               forKey: "isPinPwdMode")
                viewController?.dismiss(animated: true)
            }
        } else {
            view.didSubmit = { [weak viewController] in
                viewController?.dismiss(animated: true)
            }
        }

        let vc =
        CommonControllerPopup(image: Asset.accountPasswordPopup.image,
                              title: L10n.Account.Password.title,
                              views: [view], spacing: 0)
        
        viewController.present(vc, animated: true)
    }

    private func updateSecure() {
//        passwordTxtFld.rightView = UIButton.button(
//            image: passwordTxtFld.isSecureTextEntry ? Asset.commonPasswordShow.image : Asset.commonPasswordHide.image,
//            action: { [weak self] in
//                guard let self = self else { return }
//                self.passwordTxtFld.isSecureTextEntry = !self.passwordTxtFld.isSecureTextEntry
//                self.updateSecure()
//            }
//        )
//        newPasswordTxtFld.rightView = UIButton.button(
//            image: newPasswordTxtFld.isSecureTextEntry ? Asset.commonPasswordShow.image : Asset.commonPasswordHide.image,
//            action: { [weak self] in
//                guard let self = self else { return }
//                self.newPasswordTxtFld.isSecureTextEntry = !self.newPasswordTxtFld.isSecureTextEntry
//                self.updateSecure()
//            }
//        )
    }

    private func update() {
        let text = newPasswordTxtFld.value ?? ""
//        lengthImgView.image = Accounts().validate(password: text) ? Asset.commonAccessorySuccess.image : Asset.commonAccessoryFailed.image
        submitBtn.isEnabled = Accounts().validate(password: passwordTxtFld.value ?? "") && Accounts().validate(password: text)
    }

    @IBAction private func onSubmit(_ : AnyObject?) {
        if let oldPassword = Accounts().getPassword(password: passwordTxtFld.value) {
            Accounts().update(password: newPasswordTxtFld.value ?? "", old: oldPassword)
            didSubmit?()
        } else {
            Alert.error(text: L10n.Account.Password.currentWrong)
        }
    }

}

extension AccountViewPassword: CommonTextFieldDelegate {
    func textFieldShouldReturn(_ textField: CommonTextField) -> Bool {
        textField.resignFirstResponder()
        return false
    }
    func textField(
        _ textField: CommonTextField,
        shouldChangeCharactersIn range: NSRange,
        replacementString string: String
    ) -> Bool {
        let value = ((textField.value ?? "") as NSString).replacingCharacters(in: range, with: string)
        textField.value = value
        update()
        return false
    }
}