//
//  EQNBackgrounPositionDebugViewController.swift
//  Earthquake Network
//
//  Created by Andrea Busi on 14/08/23.
//  Copyright © 2023 Earthquake Network. All rights reserved.
//

import UIKit
import CoreLocation


class EQNBackgroundPositionDebugViewController: UITableViewController {

    private var positions = [EQNBackgroundPosition]()
    private let formatter: DateFormatter = {
        let formatter = DateFormatter()
        formatter.timeStyle = .medium
        formatter.dateStyle = .medium
        return formatter
    }()
    private let helper = EQNBackgroundPositionDebugHelper()
    
    
    // MARK: - Init
    
    convenience init() {
        self.init(style: .insetGrouped)
    }
    
    // MARK: - View Lifecycle
    
    override func viewDidLoad() {
        super.viewDidLoad()

        configureUI()
        loadData()
    }
    
    private func configureUI() {
        tableView.rowHeight = UITableView.automaticDimension
        tableView.estimatedRowHeight = 60.0
        
        navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .trash, target: self, action: #selector(onTapDeleteButton(_:)))
    }
    
    private func loadData() {
        positions = helper.loadPosition()
        tableView.reloadData()
    }

    // MARK: - Table view data source
    
    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        positions.count
    }

    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let position = positions[indexPath.row]
        let cell = UITableViewCell(style: .subtitle, reuseIdentifier: "PositionCell")
        cell.textLabel?.text = formatter.string(from: position.date)
        cell.detailTextLabel?.text = String(format: "Lat: %.4f - Lon: %.4f", position.coordinate.latitude, position.coordinate.longitude)
        var imageView: UIImageView?
        switch position.request {
        case .none:
            imageView = nil
        case .some(true):
            imageView = .init(image: .init(systemName: "checkmark.circle.fill"))
            imageView?.tintColor = AppTheme.Colors.green
        case .some(false):
            imageView = .init(image: .init(systemName: "x.circle.fill"))
            imageView?.tintColor = AppTheme.Colors.red
        }
        cell.accessoryView = imageView
        return cell
    }
    
    // MARK: - Actions
    
    @objc private func onTapDeleteButton(_ sender: UIBarButtonItem) {
        helper.resetPositions()
        loadData()
    }
}