//
//  EmailVM.swift
//  WOKA
//
//  Created by MacBook Pro on 29/04/24.
//

import UIKit
import Alamofire

class EmailVM{
    
    weak var vc : EmailVC!
    
    func initView(){
        let color1 = #colorLiteral(red: 0.144693464, green: 0.1426281333, blue: 0.6686832905, alpha: 1)
        let color2 = #colorLiteral(red: 0.6901960784, green: 0.2745098039, blue: 0.7568627451, alpha: 1)
        vc.nextBtn.applyGradient(colors: [color1, color2], startPoint: CGPoint(x: 0, y: 0), endPoint: CGPoint(x: 0.8, y: 0))
        vc.nextBtn.roundCorner()
        vc.enterEmailTF.roundCorner()
        
        // Set up text field delegate
        vc.enterEmailTF.delegate = vc.self
        
        vc.enterEmailTF.addRightButton(title: "", tintColor: UIColor.red, btnImage: UIImage(systemName: "exclamationmark.circle.fill"), target: self, action: #selector(validationIconTapped))
        vc.enterEmailTF.rightView?.isHidden = true
        
        self.vc.wokaLogoTopConstriant.constant = CheckPhoneHomeBtnOrNotch.shareInstance.topConstriant()
        
        //Checking UserType to update the text
        if AuthFunc.shareInstance.userType == .adult{
            vc.enterEmailTF.placeholder = K.AuthenticationStringConstant.enterEmail.localized(loc: AuthFunc.shareInstance.languageSelected.rawValue)
            vc.emailVerifyLabel.isHidden = true
            vc.beSafeLabel.text = K.AuthenticationStringConstant.safeAbove.localized(loc: AuthFunc.shareInstance.languageSelected.rawValue)
            vc.emailLabel.text = K.AuthenticationStringConstant.emailAbove.localized(loc: AuthFunc.shareInstance.languageSelected.rawValue)
        }else{
            vc.enterEmailTF.placeholder = K.AuthenticationStringConstant.enterParentsEmail.localized(loc: AuthFunc.shareInstance.languageSelected.rawValue)
            vc.beSafeLabel.text = K.AuthenticationStringConstant.safeBelow.localized(loc: AuthFunc.shareInstance.languageSelected.rawValue)
            vc.emailLabel.text = K.AuthenticationStringConstant.emailBelow.localized(loc: AuthFunc.shareInstance.languageSelected.rawValue)
        }        
    }
    
    // Function to handle tap on validation icon
    @objc func validationIconTapped() {
        let errorView = errorViews.object(forKey: vc.enterEmailTF)
        if let errorView = errorView {
            errorView.isHidden.toggle()
        }
    }
    
    func checkEmail(){
        let params: Parameters = [
            "email": vc.enterEmailTF.text!,
            "user_type": "2"
        ]
        NetworkManager.shareInstance.apiRequest(url: APIEndPoints.Auth.check_exist_email, method: .post ,parameters: params) {(result : Result<BaseResponseModel<UserDataDM>, NetworkManager.APIError>) in
            switch result{
            case .success(let data):
                switch data.success{
                case 0:
                    /*
                     user exists
                     */
                    Utilities.dismissProgressHUD()
                    self.vc.toast(msg: data.message ?? "Unrecognised error" , time: 2)
                case 1:
                    /*
                     Create New Account
                     Send OTP
                     Start updating the user Reg data
                     */

                    AuthFunc.shareInstance.regData.email = self.vc.enterEmailTF.text!
                    self.sendOTP()
                default:
                    break
                }
            case .failure(let error):
                Utilities.dismissProgressHUD()
                self.vc.toast(msg: error.localizedDescription , time: 2)
            }
        }
    }
    
    func sendOTP(){
        let params: Parameters = [
            "email": vc.enterEmailTF.text!,
            "user_type": AuthFunc.shareInstance.userType == .adult ? "2" :"1"
        ]
        
        let headers : HTTPHeaders = ["Accept-Language" : AuthFunc.shareInstance.languageSelected == .english ? "English" : "Hindi"]
        Utilities.startProgressHUD()
        NetworkManager.shareInstance.apiRequest(url: APIEndPoints.Auth.user_email_verification, method: .post ,parameters: params,headers: headers) {(result : Result<BaseResponseModel<UserEmailVerifyDM>, NetworkManager.APIError>) in
            switch result{
            case .success(let data):
                switch data.success{
                case 0: // some error
                    Utilities.dismissProgressHUD()
                    self.vc.toast(msg: data.message ?? "Unrecognised error" , time: 2)
                case 1: // Success
                    Utilities.dismissProgressHUD()
                    guard let uniqueString = data.data?.unique_string else{
                        self.vc.toast(msg: K.ConstantString.unRecognised , time: 1)
                        return
                    }
                    self.vc.toast(msg: data.message ?? "Unrecognised error" , time: 1) {
                        self.navigateToOTP(validateString: uniqueString)
                    }
                default:
                    Utilities.dismissProgressHUD()
                    self.vc.toast(msg: K.ConstantString.unRecognised , time: 1)
                }
            case .failure(let error):
                Utilities.dismissProgressHUD()
                self.vc.toast(msg: error.localizedDescription , time: 2)
            }
        }
    }
    
    private func navigateToOTP(validateString : String){
        let sb = UIStoryboard(name: K.StoryBoard.authenticationSB, bundle: nil)
        let vc = sb.instantiateViewController(withIdentifier: K.StoryBoardID.Authentication.oTPVC) as! OTPVC
        vc.vm.validateString = validateString
        self.vc.navigationController?.pushViewController(vc, animated: true)
    }
}