//
//  KMEnterVerificationCodeView.swift
//  PDF Reader Pro
//
//  Created by wanjun on 2024/10/29.
//

/**
  重置密码（输入验证码）
 */

import Cocoa
import Combine

class KMEnterVerificationCodeView: KMBaseXibView {
    
    @IBOutlet weak var resetPasswordsLabel: NSTextField!
    @IBOutlet weak var tipLabel: NSTextField!
    @IBOutlet weak var verifficationView: NSView!
    @IBOutlet weak var verifficationBox: NSBox!
    @IBOutlet weak var verifficationTextField: NSTextField!
    @IBOutlet weak var sendBox: KMBox!
    @IBOutlet weak var sendLabel: NSTextField!
    @IBOutlet weak var verifficationErrorLabel: NSTextField!
    @IBOutlet weak var nextBox: NSBox!
    @IBOutlet weak var nextButton: NSButton!
    @IBOutlet weak var backButton: NSButton!

    private var viewModel = KMSignUpViewModel()
    private var cancellables = Set<AnyCancellable>()
    
    convenience init(model: KMSignUpViewModel, superView: NSView) {
        self.init(frame: superView.bounds)
        viewModel = model
        viewModel.screenType = .enterVerificationCode

        loadUI()
    }
    
    public override init(frame frameRect: NSRect) {
        super.init(frame: frameRect)
    }
    
    public required init?(coder decoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func updateUI() {
        super.updateUI()
        
        loadUI()
    }
    
    // MARK: Private Method
    
    private func loadUI() -> Void {
        viewModel.sendContent = "60"
        bindViewModel()
        languageLocalized()
        initializeUI()
        sendBoxRefresh()

        viewModel.countDown(type: .reset) { result , params in
            if let data = params.first as? KMMemberCenterResult {
                if result == false {
                    KMMemberCenterManager.showAlert(code: .init(rawValue: data.code), message: data.msg, callback: nil)
                }
            }
            
        }
        
        sendBox.moveCallback =  { [weak self](mouseEntered: Bool, mouseBox: KMBox) -> Void in
            guard let self = self else { return }
            if self.viewModel.email.count <= 0 { return }
            if self.viewModel.sendBoxSelect { return }
            if mouseEntered {
                self.sendBox.fillColor = NSColor(named: "000000_0.1") ?? NSColor.blue
                self.sendBox.borderWidth = 1
            } else {
                self.sendBox.fillColor = NSColor(named: "273C62") ?? NSColor.blue
            }
        }
        sendBox.downCallback = { [weak self](downEntered: Bool, mouseBox: KMBox, event) -> Void in
            guard let self = self else { return }
            if self.viewModel.email.count <= 0 { return }
            if self.viewModel.sendBoxSelect { return }
            if downEntered {
                self.sendBox.fillColor = NSColor(named: "273C62_0.4") ?? NSColor.blue
                self.viewModel.countDown(type: .reset, callback: nil)
            }
        }
    }
    
    private func languageLocalized() -> Void {
        resetPasswordsLabel.stringValue = NSLocalizedString("Reset Password", tableName: "MemberCenterLocalizable", comment: "")
        tipLabel.stringValue = String(format: "%@ %@", NSLocalizedString("We have sent you a code via email to", tableName: "MemberCenterLocalizable", comment: ""), viewModel.email)
        verifficationTextField.placeholderString = NSLocalizedString("Please enter code", tableName: "MemberCenterLocalizable", comment: "")
        verifficationErrorLabel.stringValue = viewModel.passwordErrorMessage
        nextButton.title = NSLocalizedString("Next", tableName: "MemberCenterLocalizable", comment: "")
        backButton.title = NSLocalizedString("Previous Step", tableName: "MemberCenterLocalizable", comment: "")
    }
    
    private func initializeUI() -> Void {
        verifficationBox.fillColor = NSColor(named: "texefiedfillcolor") ?? NSColor.white
        verifficationBox.borderColor = NSColor(named: "DADBDE") ?? NSColor.gray

        verifficationTextField.delegate = self

        resetPasswordsLabel.textColor = NSColor(named: "000000")
        resetPasswordsLabel.font = NSFont.SFMediumFontWithSize(20)
        tipLabel.textColor = NSColor(named: "0E1114")
        tipLabel.font = NSFont.SFProTextRegularFont(12)

        sendLabel.textColor = NSColor(named: "FFFFFF") ?? NSColor.white
        sendLabel.font = NSFont.SFProTextRegularFont(13)
        verifficationErrorLabel.isHidden = viewModel.passwordError()
        verifficationErrorLabel.textColor = NSColor(named: "FA1E5D")
        verifficationErrorLabel.font = NSFont.SFProTextRegularFont(9)
        nextBox.fillColor = NSColor(named: "273C62") ?? NSColor.blue
        nextButton.setTitleColor(color: NSColor(named: "FFFFFF") ?? NSColor.white, font: NSFont.SFProTextRegularFont(13))
        backButton.setTitleColor(color: NSColor(named: "4982E6") ?? NSColor.blue, font: NSFont.SFProTextRegularFont(12))
    }

    private func sendBoxRefresh() -> Void {
        sendLabel.stringValue = viewModel.sendContent
        if viewModel.sendContent == NSLocalizedString("Send", tableName: "MemberCenterLocalizable", comment: "") ||
            viewModel.sendContent == NSLocalizedString("Resend", tableName: "MemberCenterLocalizable", comment: "") {
            if viewModel.email.count > 0 {
                if viewModel.isValidEmail() {
                    sendBox.fillColor = NSColor(named: "273C62") ?? NSColor.blue
                } else {
                    sendBox.fillColor = NSColor(named: "273C62_0.4") ?? NSColor.blue
                }
            } else {
                sendBox.fillColor = NSColor(named: "273C62_0.4") ?? NSColor.blue
            }
            sendLabel.textColor = NSColor(named: "FFFFFF") ?? NSColor.white
        } else {
            sendBox.fillColor = NSColor(named: "DADBDE") ?? NSColor.gray
            sendLabel.stringValue = String(format: "%@s", viewModel.sendContent)
            sendLabel.textColor = NSColor(named: "0E1114") ?? NSColor.black
        }
    }
    
    private func skipEnterNewPasswordView() -> Void {
        guard let parentView = self.superview else { return }
        if parentView is NSBox {
            let codeView = KMEnterNewPasswordView(model: viewModel, superView: parentView)
            NSAnimationContext.runAnimationGroup { context in
                context.duration = 0.3
                self.animator().alphaValue = 0
            } completionHandler: {
                self.removeFromSuperview()
                codeView.alphaValue = 0
                (parentView as! NSBox).contentView = codeView
                NSAnimationContext.runAnimationGroup({ context in
                    context.duration = 0.3
                    codeView.animator().alphaValue = 1
                }, completionHandler: nil)
            }
        } else {
            guard let parentView = self.superview else { return }
            let codeView = KMEnterNewPasswordView(model: viewModel, superView: parentView)
            NSAnimationContext.runAnimationGroup { context in
                context.duration = 0.3
                self.animator().alphaValue = 0
            } completionHandler: {
                self.removeFromSuperview()
                codeView.alphaValue = 0
                parentView.addSubview(codeView)
                NSAnimationContext.runAnimationGroup({ context in
                    context.duration = 0.3
                    codeView.animator().alphaValue = 1
                }, completionHandler: nil)
            }
        }
    }
    
    // MARK: Bind Method
    
    func bindViewModel() -> Void {
        viewModel.$sendContent
            .receive(on: RunLoop.main)
            .sink { [weak self] newValue in
                self?.sendBoxRefresh()
            }
            .store(in: &cancellables)
        viewModel.$passwordErrorMessage
            .receive(on: RunLoop.main)
            .sink { [weak self] newValue in
                self?.verifficationErrorLabel.stringValue = self?.viewModel.passwordErrorMessage ?? ""
                if self?.verifficationErrorLabel.stringValue.isEmpty == false {
                    self?.verifficationErrorLabel.isHidden = false
                    self?.verifficationBox.borderColor = NSColor(named: "FA1E5D") ?? NSColor.red
                } else {
                    self?.verifficationErrorLabel.isHidden = true
                    self?.verifficationBox.borderColor = NSColor(named: "DADBDE") ?? NSColor.red
                }
            }
            .store(in: &cancellables)
        viewModel.$verificationCode
            .receive(on: RunLoop.main)
            .sink { [weak self] newValue in
                if newValue.count <= 6 && newValue.count >= 0 {
                    self?.viewModel.passwordErrorMessage = ""
                } else {
                    self?.viewModel.passwordErrorMessage = NSLocalizedString("Verification code error.", tableName: "MemberCenterLocalizable", comment: "")
                }
            }
            .store(in: &cancellables)
    }

    // MARK: Action Method
    
    @IBAction func nextButtonAction(_ sender: NSButton) {
        if viewModel.verificationCode.count <= 0 || viewModel.verificationCode.count > 6 || !viewModel.isValidVerificationCode() {
            viewModel.passwordErrorMessage = NSLocalizedString("Verification code error.", tableName: "MemberCenterLocalizable", comment: "")
            return
        }
        viewModel.passwordErrorMessage = ""
        viewModel.enterVerificationCodeNextAction() { [weak self] success, msg   in
            guard let self = self else { return }
            if success {
                self.skipEnterNewPasswordView()
            }
        }
    }
    
    @IBAction func backButtonAction(_ sender: NSButton) {
        guard let parentView = self.superview else { return }
        if parentView is NSBox {
            let model = KMSignUpViewModel()
            model.email = viewModel.email
            let forgotView = KMForgotPasswordView(model: model, superView: parentView)
            NSAnimationContext.runAnimationGroup { context in
                context.duration = 0.3
                self.animator().alphaValue = 0
            } completionHandler: {
                self.removeFromSuperview()
                forgotView.alphaValue = 0
                (parentView as! NSBox).contentView = forgotView
                NSAnimationContext.runAnimationGroup({ context in
                    context.duration = 0.3
                    forgotView.animator().alphaValue = 1
                }, completionHandler: nil)
            }
        } else {
            let model = KMSignUpViewModel()
            model.email = viewModel.email
            let forgotView = KMForgotPasswordView(model: model, superView: parentView)
            NSAnimationContext.runAnimationGroup { context in
                context.duration = 0.3
                self.animator().alphaValue = 0
            } completionHandler: {
                self.removeFromSuperview()
                forgotView.alphaValue = 0
                parentView.addSubview(forgotView)
                NSAnimationContext.runAnimationGroup({ context in
                    context.duration = 0.3
                    forgotView.animator().alphaValue = 1
                }, completionHandler: nil)
            }
        }
    }

}

extension KMEnterVerificationCodeView: NSTextFieldDelegate {
    func controlTextDidEndEditing(_ obj: Notification) {
        let textField = obj.object as? NSTextField
        if textField == verifficationTextField {
            viewModel.verificationCode = textField!.stringValue
        }
    }
    
    func controlTextDidChange(_ obj: Notification) {
        let textField = obj.object as? NSTextField
        if textField == verifficationTextField {
            viewModel.verificationCode = textField!.stringValue
            viewModel.passwordErrorMessage = ""
        }
    }
}