//
//  SettingsViewController.swift
//  Vendoo
//
//  Created by Okechi Onyeje on 6/12/16.
//  Copyright © 2016 Okechi Onyeje. All rights reserved.
//

import UIKit
import Locksmith
import FirebaseAuth

class SettingsViewController: UIViewController {
    
    //IBOutlet
    @IBOutlet weak var closeButton: UIBarButtonItem!
    @IBOutlet weak var table: UITableView!
    

    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
        self.table.dataSource = self
        self.table.delegate = self
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    

    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
        // Get the new view controller using segue.destinationViewController.
        // Pass the selected object to the new view controller.
    }
    */

}

//MARK: - IBActions
extension SettingsViewController
{

    @IBAction func dismissSettings(sender: AnyObject) {
        let vc = self.storyboard?.instantiateViewControllerWithIdentifier("Reveal View Controller")
        
        self.presentViewController(vc!, animated: false, completion: nil)
    }
    
}

extension SettingsViewController: UITableViewDataSource {
    func numberOfSectionsInTableView(tableView: UITableView) -> Int {
        // #warning Incomplete implementation, return the number of sections
        return 1
    }
    
    func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        // #warning Incomplete implementation, return the number of rows
        return 2
    }
    
    
    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
        let cell: UITableViewCell
        switch(indexPath.row){
            
        case 0:
            cell = self.table.dequeueReusableCellWithIdentifier("Change_Pass_Cell")!
            break
        
        default:
            cell = self.table.dequeueReusableCellWithIdentifier("Delete_Account_Cell")!
            break
        }
        
        return cell
    }

}

extension SettingsViewController: UITableViewDelegate {
    
    
    func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
        
        switch(indexPath.row){
        
        case 0:
            let alert = UIAlertController(title: "Change Password", message: "WARNING! You are about to change your vendoo account password. Please enter your current password to continue.", preferredStyle: .Alert)
            
            alert.addTextFieldWithConfigurationHandler({ (textField : UITextField!) -> Void in
                textField.placeholder = "Enter Current Password"
                
            })
            
            alert.addAction(UIAlertAction(title: "Continue", style: .Default, handler:{(action: UIAlertAction!) in
                let textField1 = alert.textFields![0] as UITextField
                let dictionary = Locksmith.loadDataForUserAccount((NSUserDefaults.standardUserDefaults().objectForKey("email") as? String)!, inService: "vendoo")
                if(textField1.text == dictionary!["pass"] as? String){
                        
                    //put in password changing code later
                    print("password accepted please enter new password")
                    let alert2 = UIAlertController(title: "Change Password", message: "WARNING! You are about to change your vendoo account password. Please enter your new password to continue.", preferredStyle: .Alert)
                        
                    alert2.addTextFieldWithConfigurationHandler({ (textField : UITextField!) -> Void in
                            
                        textField.placeholder = "Enter New Password"
                            
                    })
                        
                    alert2.addAction(UIAlertAction(title: "Change Password", style: .Default, handler:{(action: UIAlertAction!) in
                        let textField2 = alert2.textFields![0] as UITextField
                        
                        FIRAuth.auth()?.currentUser?.updatePassword(textField2.text!, completion: {
                            (error) -> Void in
                            
                            if (error != nil) {
                                print(error)
                            }else {
                                print("Current user's new password is now \(textField2.text!).")
                                do{
                                    try Locksmith.updateData(["pass": textField2.text!], forUserAccount: (NSUserDefaults.standardUserDefaults().objectForKey("email") as? String)!, inService: "vendoo")
                                    print("account credentials saved")
                                }
                                catch{
                                    //could not save data to keychain
                                    print("account credentials could not be saved")
                                    
                                }
                            }
                        })
                        
                    }))
                    alert.dismissViewControllerAnimated(false, completion: {})
                    self.presentViewController(alert2, animated: true, completion: nil)
                    
                    
                    
                    
                }else{
                    
                    //put in password changing code later
                    print("incorrect password")
                    let alert2 = UIAlertController(title: "Incorrect Password", message: "Incorrect password. Please try again.", preferredStyle: .Alert)
                    
                    
                    alert2.addAction(UIAlertAction(title: "OK", style: .Default, handler:{(action: UIAlertAction!) in
                    
                        
                        alert2.dismissViewControllerAnimated(false, completion: {})
                        alert.textFields![0].text = ""
                        self.presentViewController(alert, animated: true, completion: nil)
                    }))
                    alert.dismissViewControllerAnimated(false, completion: { Void in})
                    self.presentViewController(alert2, animated: true, completion: nil)
                    
                    
                }
                
            }))
            
            alert.addAction(UIAlertAction(title: "Cancel", style: .Cancel, handler: {(action: UIAlertAction!) in}))
            self.presentViewController(alert, animated: true, completion: nil)
            break
        default:
            
            let alert = UIAlertController(title: "Delete Account", message: "WARNING! You are about to delete your vendoo account. This action will not only delete your account information, but delete any listing history and network authorizations you may currently have. To proceed please enter your account password.", preferredStyle: .Alert)
            
            alert.addTextFieldWithConfigurationHandler({ (textField : UITextField!) -> Void in
                textField.placeholder = "Enter Password"
            
            })
            alert.addAction(UIAlertAction(title: "Delete", style: .Default, handler:{(action: UIAlertAction!) in
                let textField = alert.textFields![0] as UITextField
                let dictionary = Locksmith.loadDataForUserAccount((NSUserDefaults.standardUserDefaults().objectForKey("email") as? String)!, inService: "vendoo")
                if(textField.text == dictionary!["pass"] as? String){
                    
                    //put in deletion code later
                    print("account deleted, add in deletion code as well as deauthorization code for any network currently authorized")
                    alert.dismissViewControllerAnimated(true, completion: nil)
                }else{
                
                    //put in password changing code later
                    print("incorrect password")
                    let alert2 = UIAlertController(title: "Incorrect Password", message: "Incorrect password. Please try again.", preferredStyle: .Alert)
                    
                    
                    alert2.addAction(UIAlertAction(title: "OK", style: .Default, handler:{(action: UIAlertAction!) in
                        
                        
                        alert2.dismissViewControllerAnimated(false, completion: {})
                        alert.textFields![0].text = ""
                        self.presentViewController(alert, animated: true, completion: nil)
                    }))
                    alert.dismissViewControllerAnimated(false, completion: { Void in})
                    self.presentViewController(alert2, animated: true, completion: nil)

                    
                }
                
            }))
            
            alert.addAction(UIAlertAction(title: "Cancel", style: .Cancel, handler: {(action: UIAlertAction!) in}))
            
            self.presentViewController(alert, animated: true, completion: nil)
            break
        }
    
    }

}