//
//  RecipientListViewController.swift
//  GMERemittance
//
//  Created by Fm-user on 12/21/17.
//  Copyright © 2017 Gobal Money Express Co. Ltd. All rights reserved.
//

import UIKit

class RecipientListViewController: UIViewController {
    
    // MARK:- IBOutlets
    @IBOutlet weak var tableView: UITableView!
    @IBOutlet weak var viewAddRecipient: UIView! // this is the view that contains add reciepient. should be header
    @IBOutlet weak var labelSwipeInfo: UILabel!
    
    
    // MARK:- properties
    var reciepients: [Recipient]? {
        didSet {
            if (reciepients ?? []).isEmpty {
            }else {
                self.tableView.isHidden = false
                self.labelSwipeInfo.isHidden = false
                self.tableView.reloadData()
            }
        }
    }

    
    // MARK:- Life Cycle
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        self.setupNormalNavigation()
        self.navigationItem.title = "Select Recipient"
        fetchReceipients()
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        self.setupDelegates()
        self.showProgressHud()
        viewAddRecipient.layer.cornerRadius = 10
    }
    

    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        //        self.title = ""
        self.navigationItem.title = ""
    }
    
    
    // MARK:- IBAction
    @IBAction func loadMoreAction(_ sender: Any) {
        print("load more")
    }
    
    @IBAction func addNewRecipientTap(_ sender: UITapGestureRecognizer) {
        self.showAddNewReciepientViewController()
    }
    
    // MARK:- other functions
    private func setupDelegates() {
        self.tableView.delegate = self
        self.tableView.dataSource = self
    }
}

extension RecipientListViewController: UITableViewDelegate,UITableViewDataSource {
    
    func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
        return 120.0
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return self.reciepients?.count ?? 0
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "recipientList", for: indexPath) as! RecipientListTableViewCell
        cell.model = self.reciepients?.elementAt(index: indexPath.row)
        cell.setup()
        return cell
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        startSendMoneyProcess(index: indexPath.row)
    }
    
    private func startSendMoneyProcess(index: Int) {
        if let navigation = self.navigationController {
            if let reciepient = self.reciepients?.elementAt(index: index) {
                let wireframe = SendMoneyParentWireframe()
                wireframe.open(for: reciepient, in: navigation)
            }
            
        }
    }
    
    func tableView(_ tableView: UITableView, editActionsForRowAt indexPath: IndexPath) -> [UITableViewRowAction]? {
        let delete = UITableViewRowAction(style: .destructive, title: "Delete") { (action, indexPath) in
            self.alertWithOkCancel(message: "Do you want to delete this receipient?", title: "Alert!", OkStyle: UIAlertActionStyle.destructive, okAction: {
                let defaults = UserDefaults.standard
                let myUsername = defaults.string(forKey: "com.gmeremit.username") ?? ""
                
                self.showProgressHud()
                if let reciepient = self.reciepients?.elementAt(index: indexPath.row) {
                    self.showProgressHud()
                    self.deleteRecipient(username: myUsername, reciepient: reciepient, success: { (reciepient) in
                        DispatchQueue.main.async {
                            self.hideProgressHud()
                        }
                        
                        guard let deletedPerson = reciepient else {return}
                        if let index = self.reciepients?.index(where: {
                            ($0.recipientId ?? "") == (deletedPerson.recipientId ?? "")
                        }) {
                            UIView.animate(withDuration: 0.5, animations: {
                                tableView.beginUpdates()
                                self.reciepients?.remove(at: index)
                                let indexPath = IndexPath(item: index, section: 0)
                                self.tableView.deleteRows(at: [indexPath], with: UITableViewRowAnimation.fade)
                                tableView.endUpdates()
                            })

                            
                        }
//                        self.fetchReciepientList(username: myUsername, success: { (_recipients) in
//                            self.hideProgressHud()
//                            self.reciepients = _recipients
//                        }, failure: { (error) in
//                            self.hideProgressHud()
//                            self.alert(message: error.localizedDescription)
//                        })
                    }, failure: { (error) in
                        self.alert(message: error.localizedDescription)
                        self.hideProgressHud()
                    })
                }
            })
        }
        
        let edit = UITableViewRowAction(style: .normal, title: "Edit") { (action, indexPath) in
            guard let navigation = self.navigationController else {return}
            if let reciepient = self.reciepients?.elementAt(index: indexPath.row) {
                let wireFrame = EditReciepientWireframe()
                wireFrame.edit(reciepient: reciepient, source: navigation)
            }
            
        }
        
        edit.backgroundColor = UIColor.init(hex: "#F39826")
        delete.backgroundColor = UIColor.init(hex: "DE333C")
        return [delete, edit]
    }
    
    func fetchReceipients() {
        let defaults = UserDefaults.standard
        let myUsername = defaults.string(forKey: "com.gmeremit.username") ?? ""
        self.fetchReciepientList(username: myUsername, success: { (reciepients) in
            self.hideProgressHud()
            self.reciepients = reciepients
        }) { (error) in
            self.hideProgressHud()
            self.alert(message: error.localizedDescription)
        }
    }
    
    // private func
    
    
    private func showAddNewReciepientViewController() {
        let viewcontroller = AddReciepientWireframe().getMainView()
        self.navigationController?.pushViewController(viewcontroller, animated: true)
    }
}

extension RecipientListViewController: FetchRecipientList, DeleteRecipientService  {
    
}