//
//  SettingsSeismicNetworksViewController.swift
//  Earthquake Network
//
//  Created by Busi Andrea on 26/08/2020.
//  Copyright © 2020 Earthquake Network. All rights reserved.
//

import UIKit

class SettingsSeismicNetworksViewController: UITableViewController {

    var networks = [EQNSeismicNetwork]()
    
    override func viewDidLoad() {
        super.viewDidLoad()

        tableView.register(SettingDetailTableViewCell.self, forCellReuseIdentifier: SettingDetailTableViewCell.Identifier)
        tableView.register(SettingSectionHeaderView.self, forHeaderFooterViewReuseIdentifier: SettingSectionHeaderView.Identifier)
        
        networks = EQNData.seismicNetworks().sorted(by: { $0.acronym < $1.acronym })
    }

    // MARK: - Table view data source

    override func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        let headerView = tableView.dequeueReusableHeaderFooterView(withIdentifier: SettingSectionHeaderView.Identifier) as! SettingSectionHeaderView
        headerView.titleLabel.text = NSLocalizedString("options_agencies", comment: "");
        return headerView
    }
    
    override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        CGFloat(SettingSectionHeaderView.Height)
    }
    
    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        networks.count
    }

    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let network = networks[indexPath.row]
        let cell = tableView.dequeueReusableCell(withIdentifier: SettingDetailTableViewCell.Identifier, for: indexPath) as! SettingDetailTableViewCell
        cell.textLabel?.text = "\(network.acronym) (\(network.country))"
        
        if EQNNotificheReteSismiche.shared().listaEnti.contains(network.acronym) {
            cell.accessoryType = .checkmark
        } else {
            cell.accessoryType = .none
        }
                
        return cell
    }

    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        tableView.deselectRow(at: indexPath, animated: true)
        
        let network = networks[indexPath.row]
        
        var savedNetworks = EQNNotificheReteSismiche.shared().listaEnti
        if let index = savedNetworks.firstIndex(where: { $0 == network.acronym }) {
            savedNetworks.remove(at: index)
        } else {
            savedNetworks.append(network.acronym)
        }
        
        EQNNotificheReteSismiche.shared().listaEnti = savedNetworks
        EQNNotificheReteSismiche.shared().saveUserInfo()
        
        tableView.reloadData()
    }
}