//
//  KycViewController.swift
//  GMERemittance
//
//  Created by gme_2 on 12/09/2018.
//Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit
import XLPagerTabStrip



protocol KYCForm1Delegate {
    func _continue(model: KycForm1Model)
    func show(model: KycModel)
    func addModel(model: KycForm1Model)
}

protocol KYCForm2Delegate {
    func addModel(model: KycForm2Model)
    func _continue(model: KycForm2Model)
}

protocol KYCForm3Delegate {
    func submit(model: KycForm3Model)
}


class KYCRequestModel {
    var kycForm1: KycForm1Model?
    var kycForm2: KycForm2Model?
    var kycForm3: KycForm3Model?
}


class KycViewController: ButtonBarPagerTabStripViewController {
    
    enum KycViewControllers: Int {
        case form1 = 0
        case form2
        case fomr3
    }
    
    struct Constants {
        static let stateRedColor = UIColor.init(hex: "#EC1C24")
        static let stateGreenColor = UIColor.init(hex: "8CC241")
        static let stateLabelGreyColor = UIColor.init(hex: "4a4a4a")
        static let xlbarButtonTextColor = UIColor.init(hex: "#ed1c24")
        static let xlOldSelectedCellColor = UIColor.init(hex: "#7b7a7a")
        static let xlTabBarFont = UIFont(name: Fonts.Family.bold, size: 14.0)!
    }

    // MARK: IBOutlets
    
    
    // MARK: Properties
    
    var form1: UIViewController = UIViewController()
    var form2: UIViewController = UIViewController()
    var form3: UIViewController = UIViewController()
    
    var errorOnForm1 = false
    var errorOnForm2 = false
    var errorOnForm3 = false
    
    var requestModel: KYCRequestModel?
    var kycModel: KycModel? {
        didSet {
            if let vc2 = self.form2 as? KycForm2ViewController {
                vc2.kycModel = self.kycModel
            }
            
            if let vc3 = self.form3 as? KycForm3ViewController {
//                vc.kycModel = self.kycModel
            }
            
            
            
        }
    }
    
    var presenter: KycModuleInterface?

    
    // MARK: VC's Life cycle
    
    override func viewDidLoad() {
        buttonBarView.selectedBar.backgroundColor = Constants.xlbarButtonTextColor
        settings.style.buttonBarBackgroundColor = .white
        settings.style.buttonBarItemBackgroundColor = .white
        settings.style.buttonBarItemFont = Constants.xlTabBarFont
        settings.style.selectedBarHeight = 2
        settings.style.selectedBarBackgroundColor = Constants.xlbarButtonTextColor
        settings.style.buttonBarMinimumLineSpacing = 0
        settings.style.buttonBarItemsShouldFillAvailiableWidth = true
        settings.style.buttonBarLeftContentInset = 0
        settings.style.buttonBarRightContentInset = 0
        changeCurrentIndexProgressive = { [weak self] (oldCell: ButtonBarViewCell?, newCell: ButtonBarViewCell?, progressPercentage: CGFloat, changeCurrentIndex: Bool, animated: Bool) -> Void in
            guard changeCurrentIndex == true else { return }
            oldCell?.label.textColor = Constants.xlOldSelectedCellColor
            newCell?.label.textColor = Constants.xlbarButtonTextColor
            // Do any additional setup after loading the view.
        }
        super.viewDidLoad()
        self.setup()
    }
    
    override func viewControllers(for pagerTabStripController: PagerTabStripViewController) -> [UIViewController] {
        self.form1 = KycForm1Wireframe().getMainViewWithDelegate(delegate: self)
        let _ = form1.view
        self.form2 = KycForm2Wireframe().getMainViewWithDelegate(delegate: self)
        let _ = form2.view
        self.form3 = KycForm3Wireframe().getMainViewWithDelegate(delegate: self)
        let _ = form3.view
        
        return [form1, form2, form3]
    }
    
    // MARK: IBActions
    

    
    // MARK: Other Functions
    
    private func setup() {
        // all setup should be done here
        self.requestModel = KYCRequestModel()
        self.setupPicturedNavBar()
    }
    
    func initiateSubmitProcess() {
        // TODO:
        // first validate.
        guard let requestModel = self.requestModel else {return}
        self.presenter?.validate(model: requestModel)
            // if error show them to respect page (if possible)
        // then submit to server.
        // then show result.
        
    }

    private func showErrorView() {
        if self.errorOnForm1 {
            self.moveToViewController(at: KycViewControllers.form1.rawValue)
        }else if self.errorOnForm2 {
            self.moveToViewController(at: KycViewControllers.form2.rawValue)
        }else if errorOnForm3 {
            self.moveToViewController(at: KycViewControllers.fomr3.rawValue)
        }
    }
}

// MARK: KycViewInterface
extension KycViewController: KycViewInterface {
    func show(resultl: (isValid: Bool, errorsDick: [String : String])) {
        if let viewcontroller = self.form1 as? KycForm1ViewController {
            viewcontroller.show(result: (doesNotSucks: resultl.isValid , errorsDick: resultl.errorsDick ))
            self.errorOnForm1 = !resultl.isValid
            self.showErrorView()
        }
    }
    
    func show(result2: (isValid: Bool, errorsDick: [String : String])) {
        if let viewcontroller = self.form2 as? KycForm2ViewController {
            self.errorOnForm2 = !result2.isValid
            viewcontroller.show(resut2: result2)
            self.showErrorView()
        }
    }
    
    func show(result3: (isValid: Bool, errorsDick: [String : String])) {
        if let viewcontroller = self.form3 as? KycForm3ViewController {
            // TODO:
            self.errorOnForm3 = !result3.isValid
            viewcontroller.show(result: (doesNotSucks: result3.isValid , errorsDick: result3.errorsDick ))
            self.showErrorView()
        }
    }
    
    func showOption() {
        let message = "Would you like to apply for penny test now?"
        self.alertWithOkCancel(message: message, title: "Info", okTitle: "Ok", style: UIAlertControllerStyle.alert, cancelTitle: "Cancel", OkStyle: UIAlertActionStyle.default, cancelStyle: UIAlertActionStyle.default, okAction: {
            self.presenter?.showPennyTest()
        }) {
            self.presenter?.goHome()
        }
    }
    
    func show(error: String) {
        self.alert(message: error)
    }
    
    func showLoading() {
        self.showProgressHud()
    }
    
    func hideLoading() {
        self.hideProgressHud()
    }
}


extension KycViewController: KYCForm1Delegate {
    
    func addModel(model: KycForm1Model) {
         self.requestModel?.kycForm1 = model
    }
    
    func _continue(model: KycForm1Model) {
        self.requestModel?.kycForm1 = model
        moveToViewController(at: KycViewControllers.form2.rawValue)
    }
    
    func view1DisappearWith(model: KycForm1Model) {
        self.requestModel?.kycForm1 = model
    }
    
    func show(model: KycModel) {
        self.kycModel = model
    }
}

extension KycViewController: KYCForm2Delegate {

    func addModel(model: KycForm2Model) {
        self.requestModel?.kycForm2 = model
    }
    
    func _continue(model: KycForm2Model) {
        self.requestModel?.kycForm2 = model
        moveToViewController(at: KycViewControllers.fomr3.rawValue)
    }
}

extension KycViewController: KYCForm3Delegate {
    func submit(model: KycForm3Model) {
        self.requestModel?.kycForm3 = model
        self.initiateSubmitProcess()
    }
}