//
//  CompanyViewController.swift
//  pocloud
//
//  Created by Patrick McDonagh on 6/6/18.
//  Copyright © 2018 patrickjmcd. All rights reserved.
//

import UIKit
import RealmSwift
import PromiseKit

class CompanyViewController: UITableViewController {
    let realm = try! Realm()
    let baseURL = (UIApplication.shared.delegate as! AppDelegate).baseURL
    let user = (UIApplication.shared.delegate as! AppDelegate).user
    let appAuth = AppAuth()
    
    var companiesWithGateways : Results<Company>?
    var companiesNoGateways : Results<Company>?
    
    var selectedCompany : Company?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // Get company data from Realm
        companiesWithGateways = realm.objects(Company.self).filter("gateways.@count > 0")
        companiesNoGateways = realm.objects(Company.self).filter("gateways.@count == 0")
        
        if (companiesWithGateways!.count + companiesNoGateways!.count) == 0{
            firstly {
                getAllMeshifyData(baseURL: self.baseURL, authToken: self.user!.authToken)
            }.done {
                self.tableView.reloadData()
            }.catch { error in
                print("Error getting all meshify data in CompanyViewController: \(error)")
            }
        }
        
    }

    // MARK: - Table view data source

    override func numberOfSections(in tableView: UITableView) -> Int {
        return 2
    }

    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        if section == 0 {
            return companiesWithGateways?.count ?? 0
        } else {
            return companiesNoGateways?.count ?? 0
        }
    }
    
    override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
        if section == 0 {
            return "Companies with Devices"
        } else {
            return "Companies with NO Devices"
        }
    }
    
    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "companyCell", for: indexPath) as! AdminCompanyCell
        if indexPath.section == 0 {
            cell.companyNameLabel.text = companiesWithGateways![indexPath.row].name
            cell.companyCountLabel.text = String(companiesWithGateways![indexPath.row].gateways.count)
        } else {
            cell.companyNameLabel.text = companiesNoGateways![indexPath.row].name
            cell.companyCountLabel.isHidden = true
            cell.accessoryType = .none
        }
        return cell
    }
    
    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        if indexPath.section == 0 {
            selectedCompany = companiesWithGateways![indexPath.row]
            performSegue(withIdentifier: "openCompanyDetailView", sender: self)
        }
        
    }
    
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        if segue.identifier == "openCompanyDetailView" {
            let targetVC = segue.destination as! CompanyDetailViewController
            targetVC.thisCompany = selectedCompany
        }
    }
    
}