//
//  ProfileEditViewController.swift
//  GMERemittance
//
//  Created by Fm-user on 1/9/18.
//  Copyright © 2018 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class ProfileGeneralViewController: UIViewController {
    
    var userinfoviewmodel: UserInfoViewModel?
    var alertController: UIAlertController!
    
    private var activityIndicator: UIActivityIndicatorView = UIActivityIndicatorView()
    
    @IBOutlet weak var labelFirstName: UILabel!
    @IBOutlet weak var labelMiddleName: UILabel!
    @IBOutlet weak var labelLastName: UILabel!
    @IBOutlet weak var labelNickName: UILabel!
    @IBOutlet weak var labelGender: UILabel!
    @IBOutlet weak var labelDOB: UILabel!
    @IBOutlet weak var labelMobile: UILabel!
    @IBOutlet weak var labelEmail: UILabel!
    @IBOutlet weak var labelCountry: UILabel!
    @IBOutlet weak var labelCountryNative: UILabel!
    @IBOutlet weak var labelProvince: UILabel!
    @IBOutlet weak var labelOccupation: UILabel!
    
    private var indexTag: Int = 0
    private var selectedOccupationIndex: Int = 0
    private var selectedProvinceIndex: Int = 0
    
    private var updatedString: String = ""
    private var selectedOccupation: String!
    private var selectedProvince: String!
    
    let pickerView = UIPickerView()
    var pickerData: [String] = [String]()
    
    var editTextField: UITextField!
    
    public static var profileGeneralConnectionTimeOutCheck = 0
    
    @IBAction func goBack(_ sender: Any) {
        navigationController?.popViewController(animated: true)
    }
    
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        setUpNavBar(id: 201, title: "Profile")
        
        guard userinfoviewmodel != nil else {
            self.popUpMessageInfo(value: 16, title: "No Data Available", message: "Data not received")
            return
        }
        
        setUpAnotherLoginListener(genericviewmodel: userinfoviewmodel!)
        
        userinfoviewmodel!.userDataAvailable.value = nil
        userinfoviewmodel!.userOccupationProvinceAvailable.value = nil
        userinfoviewmodel?.internetConnection.value = nil
        
        userinfoviewmodel?.userConnectionTimeOut.value = nil
        /**
         connection timeout
         */
        userinfoviewmodel?.userConnectionTimeOut.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.enableUserInteractions()
            self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
            if ProfileGeneralViewController.profileGeneralConnectionTimeOutCheck == 0{
                ProfileGeneralViewController.profileGeneralConnectionTimeOutCheck = ProfileGeneralViewController.profileGeneralConnectionTimeOutCheck+1
                self.popUpMessage(value: 34)
            }
        }
        
        
        /**
         Internet check
         */
        
        userinfoviewmodel?.internetConnection.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            self.enableUserInteractions()
            self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
            self.popUpMessage(value: 15)
        }
        
        /**
            Update the view for Occupation and Province
         */
        userinfoviewmodel!.userOccupationProvinceAvailable.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            if $0 == 0 {
                self.popUpMessageError(value: 10, message: (self.userinfoviewmodel?.getErrorMessage())!)
            } else {
                if $0 == 3 {
                    self.setUpTextField(category: 3)
                } else if $0 == 5 {
                    self.setUpTextField(category: 5)
                } else if $0 == -1 {
                    if self.alertController != nil {
                        self.alertController.dismiss(animated: true, completion: nil)
                    }
                }
            }
        }
        /**
         Update the view for User data
         */
        
        userinfoviewmodel!.userDataAvailable.bind { [unowned self] in
            guard $0 != nil else {
                return
            }
            
            self.dismissActivityIndicator(activityIndicator: self.activityIndicator)
            self.enableUserInteractions()
            
            guard $0! else {
                //self.popUpMessageError(value: 10, message: (self.userinfoviewmodel?.getErrorMessage())!)
                return
            }
            
            switch self.indexTag {
            case 1:
                self.labelNickName.attributedText = self.getAttributedLabel(inputLabel: self.updatedString)
                UserDefaults.standard.set(self.updatedString, forKey: "com.gmeremit.nickName")  //Updating UserDefaults so that when the user goes back to HomeScreen, the changes are reflected
            case 3:
                self.labelProvince.attributedText = self.getAttributedLabel(inputLabel: self.pickerData[self.selectedProvinceIndex])
                
            case 5:
                self.labelOccupation.attributedText = self.getAttributedLabel(inputLabel: self.pickerData[self.selectedOccupationIndex])
            default:
                return
            }
        }
        
        if let firstName = userinfoviewmodel!.getInfo().firstName {
            labelFirstName.text = firstName
        }
        if let lastName = userinfoviewmodel!.getInfo().lastName {
            labelLastName.text = lastName
        }
        if let middleName = userinfoviewmodel!.getInfo().middleName {
            labelMiddleName.text = middleName
        } else {
            labelMiddleName.text = "-"
        }
        if let gender = userinfoviewmodel!.getInfo().gender{
            labelGender.text = gender
        }
        if let dob = userinfoviewmodel!.getInfo().dateOfBirth {
            labelDOB.text = unixTimeStampToDate(unixTimeStamp:dob )
        }
        if let mobileNumber = userinfoviewmodel!.getInfo().mobileNumber {
            labelMobile.text = mobileNumber
        }
        if let email = userinfoviewmodel!.getInfo().email{
            labelEmail.text = email
        }
        if let nativeCountry = userinfoviewmodel!.getInfo().nativeCountry{
            labelCountryNative.text = nativeCountry
        }
        if let country = userinfoviewmodel!.getInfo().country{
            labelCountry.text = country
        }
        if let nickName = userinfoviewmodel!.getInfo().nickName {
            labelNickName.attributedText = getAttributedLabel(inputLabel: nickName)
        } else {
            labelNickName.attributedText = getAttributedLabel(inputLabel: "")
        }
        if let occupation = userinfoviewmodel!.getInfo().occupation{
            selectedOccupation = occupation
            labelOccupation.attributedText = getAttributedLabel(inputLabel: selectedOccupation)
        }
        if let province = userinfoviewmodel!.getInfo().province{
            selectedProvince = province
            labelProvince.attributedText = getAttributedLabel(inputLabel: selectedProvince)
        }
        
        labelNickName.isUserInteractionEnabled = true
        labelProvince.isUserInteractionEnabled = true
        labelOccupation.isUserInteractionEnabled = true
        
        labelNickName.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(editDetail(tapGestureRecognizer:))))
        labelProvince.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(editDetail(tapGestureRecognizer:))))
        labelOccupation.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(editDetail(tapGestureRecognizer:))))
    }
    
    /**
        Picker view data list
     - parameter Integer:
        - parameter: 5 for Occupation list
        - parameter: 3 for Province list
     */
    
    func setUpTextField(category: Int) {
        if category == 5 {
            if let userinfoModelCount = self.userinfoviewmodel?.getOccupationList().count{
                if userinfoModelCount > 0{
                    self.pickerData = (self.userinfoviewmodel?.getOccupationList())!
                    
                    if let selectedOccupationIndex = self.pickerData.index(of: selectedOccupation) {
                        self.editTextField.text = self.pickerData[selectedOccupationIndex]
                        self.pickerView.dataSource = self
                        self.pickerView.delegate = self
                        pickerView.selectRow(selectedOccupationIndex, inComponent: 0, animated: true)
                    }
                }
            }
            
        } else if category == 3 {
            if let provinceCount = self.userinfoviewmodel?.getProvinceList().count {
                if provinceCount > 0 {
                    self.pickerData = self.userinfoviewmodel!.getProvinceList()
                    if let selectedProvinceIndex = self.pickerData.index(of: selectedProvince) {
                        self.editTextField.text = self.pickerData[selectedProvinceIndex]
                        self.pickerView.dataSource = self
                        self.pickerView.delegate = self
                        pickerView.selectRow(selectedProvinceIndex, inComponent: 0, animated: true)
                    }
                }
            }
        }
        
        self.editTextField.becomeFirstResponder()
    }
    
    /**
        To dispaly image and Text in single label
     - parameter String : Occupation or Province
     - returns: NSMutableAttributedString
     */
    
    func getAttributedLabel(inputLabel: String) -> NSMutableAttributedString {
        
        let fullString: NSMutableAttributedString = NSMutableAttributedString(string: "")
        
        // create our NSTextAttachment
        let imageAttachment = NSTextAttachment()
        imageAttachment.image = UIImage(named: "ic_profile_change_edit")
        
        // wrap the attachment in its own attributed string so we can append it
        let imageString = NSAttributedString(attachment: imageAttachment)
        
        // add the NSTextAttachment wrapper to our full string, then add some more text.
        fullString.append(imageString)
        fullString.append(NSAttributedString(string: "    "))
        fullString.append(NSAttributedString(string: inputLabel))
        
        return fullString
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        
    }
    
    /**
        To edit user nick name, 0ccupation and province
     */
    
    @objc func editDetail(tapGestureRecognizer: UITapGestureRecognizer) {
        let tappedLabel:UILabel = (tapGestureRecognizer.view as! UILabel) // Type cast it with the class for which you have added gesture
        
        var title: String = ""
        
        switch tappedLabel.tag {
            
        case 1:
            indexTag = 1
            title = "Nick Name"
        case 3:
            indexTag = 3
            title = "Province"
            if self.userinfoviewmodel!.getProvinceList().count > 0 {
                self.pickerData = self.userinfoviewmodel!.getProvinceList()
            } else {
                pickerData = self.userinfoviewmodel!.getEmptyData()
                self.userinfoviewmodel!.fetchCDDList(cddName: cddCode.Province.rawValue, param: ["countryId": "118"])
            }
        case 5:
            indexTag = 5
            title = "Occupation"
            if Reachability.isConnectedToNetwork() == true{
                if self.userinfoviewmodel!.getOccupationList().count > 0 {
                    self.pickerData = self.userinfoviewmodel!.getOccupationList()
                } else {
                    pickerData = self.userinfoviewmodel!.getEmptyData()
                    self.userinfoviewmodel!.fetchCDDList(cddName: cddCode.Occupation.rawValue, param: nil)
                }
            }
        default:
            title = ""
        }
        
        alertController = UIAlertController(title: "Edit " + title, message: nil, preferredStyle: .alert)
        
        alertController.addTextField { (textField : UITextField!) -> Void in
            
            textField.placeholder = "New value"
            
            if self.indexTag == 5 {
                if Reachability.isConnectedToNetwork() == true{
                    textField.inputView = self.pickerView
                    self.editTextField = textField
                    self.editTextField.delegate = self
                    if self.userinfoviewmodel!.getOccupationList().count > 0 {
                        self.setUpTextField(category: self.indexTag)
                    }
                }
            } else if self.indexTag == 3 {
                textField.inputView = self.pickerView
                self.editTextField = textField
                self.editTextField.delegate = self
                if self.userinfoviewmodel!.getProvinceList().count > 0 {
                    self.setUpTextField(category: self.indexTag)
                }
            } else {
              
                textField.tag = 51 //unique identifier set
                textField.delegate = self
            }
        }
        
        let confirmAction = UIAlertAction(title: "Confirm", style: .default, handler: {
            alert -> Void in
            
            let valueTextField = self.alertController.textFields![0] as UITextField
            
            let trimmedString = valueTextField.text?.removeSpacesTrailingPreceding()
            
            if  trimmedString != "" {
                
                self.updatedString =  trimmedString!
                
                self.showActivityIndicator(activityIndicator: self.activityIndicator)
                self.disableUserInteractions()
                
                switch tappedLabel.tag {
                case 1:
                    self.userinfoviewmodel!.updateUserInfo(param: ["nickName": trimmedString!])
                case 3:
                    self.userinfoviewmodel!.updateUserInfo(param: ["provinceId": self.userinfoviewmodel!.getProvinceID(index: self.selectedProvinceIndex)])
                    
                case 5:
                    self.userinfoviewmodel!.updateUserInfo(param: ["occupation": self.userinfoviewmodel!.getOccupationID(index: self.selectedOccupationIndex)])
                default:
                    return
                }
                
            } else {
                
                self.popUpMessageError(value: 10, message: "No data provided")
                
                //self.present(self.prepareAlert(title: "No updates done", message: "No data supplied"), animated: true, completion: nil )
            }
        })
        
        let cancelAction = UIAlertAction(title: "Cancel", style: .destructive, handler: {
            (action : UIAlertAction!) -> Void in
            
        })
        
        cancelAction.setValue(UIColor.black, forKey: "titleTextColor")
        confirmAction.setValue(UIColor(hex:0xEC1C24), forKey: "titleTextColor")
        
        alertController.addAction(cancelAction)
        alertController.addAction(confirmAction)
        
        
        if Reachability.isConnectedToNetwork() == true{
            self.present(alertController, animated: true, completion: nil)
        }else{
            popUpMessage(value: 15)
        }
    }
}

extension ProfileGeneralViewController: UIPickerViewDataSource, UIPickerViewDelegate {
    
    func numberOfComponents(in pickerView: UIPickerView) -> Int {
        return 1
    }
    
    func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
        return pickerData.count
    }
    
    func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
        return pickerData[row]
    }
    
    func pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) {
        editTextField!.text = pickerData[row]
        
        if indexTag == 5 {
            selectedOccupation = pickerData[row]
            selectedOccupationIndex = row
        } else if indexTag == 3 {
            selectedProvince = pickerData[row]
            selectedProvinceIndex = row
        }
    }
}

extension ProfileGeneralViewController: UITextFieldDelegate {
    
    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
        
        if self.indexTag == 3 || self.indexTag == 5 {
            return false
        }
        return true
    }
    
    func textFieldShouldBeginEditing(_ textField: UITextField) -> Bool {
        if textField.tag == 51 {
            textField.tag = 0
            return false
        }
        return true
    }
}