//
//  AlertsPositionDataTableViewCell.swift
//  Earthquake Network
//
//  Created by Busi Andrea on 08/10/2020.
//  Copyright © 2020 Earthquake Network. All rights reserved.
//

import UIKit
import Solar

@objc
class AlertsPositionDataTableViewCell: EQNBaseContainerTableViewCell {
    
    override var headerText: String { NSLocalizedString("weather_location", comment: "") }
    
    private lazy var dateFormatter: DateFormatter = {
        let formatter = DateFormatter()
        formatter.dateStyle = .none
        formatter.timeStyle = .short
        return formatter
    }()
    
    // MARK: - UI
    
    private lazy var positionImage: UIImageView = {
        let imageView = UIImageView(image: .init(named: "world_old"))
        imageView.translatesAutoresizingMaskIntoConstraints = false
        imageView.contentMode = .scaleAspectFit
        imageView.heightAnchor.constraint(equalToConstant: 30.0).isActive = true
        imageView.widthAnchor.constraint(equalTo: imageView.heightAnchor).isActive = true
        return imageView
    }()
    
    private lazy var positionLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.numberOfLines = 0
        label.textColor = AppTheme.shared.cardTextColor
        label.font = .preferredFont(forTextStyle: .body)
        return label
    }()
    
    private lazy var sunriseImage: UIImageView = {
        let imageView = UIImageView(image: .init(named: "sunrise"))
        imageView.translatesAutoresizingMaskIntoConstraints = false
        imageView.contentMode = .scaleAspectFit
        imageView.heightAnchor.constraint(equalToConstant: 30.0).isActive = true
        imageView.widthAnchor.constraint(equalTo: imageView.heightAnchor).isActive = true
        return imageView
    }()
    
    private lazy var sunriseTimeLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.numberOfLines = 0
        label.textColor = AppTheme.shared.cardTextColor
        label.font = .preferredFont(forTextStyle: .body)
        return label
    }()

    private lazy var sunsetImage: UIImageView = {
        let imageView = UIImageView(image: .init(named: "sunset"))
        imageView.translatesAutoresizingMaskIntoConstraints = false
        imageView.contentMode = .scaleAspectFit
        imageView.heightAnchor.constraint(equalToConstant: 30.0).isActive = true
        imageView.widthAnchor.constraint(equalTo: imageView.heightAnchor).isActive = true
        return imageView
    }()
    
    private lazy var sunsetTimeLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.numberOfLines = 0
        label.textColor = AppTheme.shared.cardTextColor
        label.font = .preferredFont(forTextStyle: .body)
        return label
    }()
    
    // MARK: - Internal
    
    override func setupUI() {
        super.setupUI()
        
        containerView.addSubview(positionImage)
        containerView.addSubview(positionLabel)
        containerView.addSubview(sunriseImage)
        containerView.addSubview(sunriseTimeLabel)
        containerView.addSubview(sunsetImage)
        containerView.addSubview(sunsetTimeLabel)
        
        positionImage.leadingAnchor.constraint(equalTo: containerView.leadingAnchor, constant: .cardPadding).isActive = true
        positionImage.centerYAnchor.constraint(equalTo: positionLabel.centerYAnchor).isActive = true
        positionImage.trailingAnchor.constraint(equalTo: positionLabel.leadingAnchor, constant: .cardPadding.negative).isActive = true
        positionLabel.topAnchor.constraint(equalTo: topView.bottomAnchor, constant: .cardVerticalSpacing).isActive = true
        positionLabel.trailingAnchor.constraint(equalTo: containerView.trailingAnchor, constant: .cardPadding.negative).isActive = true
        
        sunriseImage.leadingAnchor.constraint(equalTo: positionImage.leadingAnchor).isActive = true
        sunriseImage.centerYAnchor.constraint(equalTo: sunriseTimeLabel.centerYAnchor).isActive = true
        sunriseImage.trailingAnchor.constraint(equalTo: sunriseTimeLabel.leadingAnchor, constant: .cardPadding.negative).isActive = true
        sunriseTimeLabel.topAnchor.constraint(equalTo: positionLabel.bottomAnchor, constant: .cardVerticalSpacing.x2).isActive = true
        sunriseTimeLabel.trailingAnchor.constraint(equalTo: positionLabel.trailingAnchor).isActive = true
        
        sunsetImage.leadingAnchor.constraint(equalTo: sunriseImage.leadingAnchor).isActive = true
        sunsetImage.centerYAnchor.constraint(equalTo: sunsetTimeLabel.centerYAnchor).isActive = true
        sunsetImage.trailingAnchor.constraint(equalTo: sunsetTimeLabel.leadingAnchor, constant: .cardPadding.negative).isActive = true
        sunsetTimeLabel.topAnchor.constraint(equalTo: sunriseTimeLabel.bottomAnchor, constant: .cardVerticalSpacing.x2).isActive = true
        sunsetTimeLabel.trailingAnchor.constraint(equalTo: sunriseTimeLabel.trailingAnchor).isActive = true
        sunsetTimeLabel.bottomAnchor.constraint(equalTo: containerView.bottomAnchor, constant: .cardPadding.negative).isActive = true
    }
    
    override func updateUI() {
        super.updateUI()
        
        positionLabel.text = "n.d."
        sunriseTimeLabel.text = "n.d."
        sunsetTimeLabel.text = "n.d."
    }
    
    // MARK: - Public
    
    @objc
    func update(with position: CLLocation?) {
        guard let position else { return }
        
        positionLabel.text = EQNUtility.coordinateString(coordinate: position.coordinate)

        guard let solar = Solar(coordinate: position.coordinate) else { return }
        let timeZone = TimeZone.current.localizedName(for: .generic, locale: .current) ?? TimeZone.current.identifier
        if let sunrise = solar.sunrise {
            sunriseTimeLabel.text = dateFormatter.string(from: sunrise) + " \(timeZone)"
        }
        if let sunset = solar.sunset {
            sunsetTimeLabel.text = dateFormatter.string(from: sunset) + " \(timeZone)"
        }
    }
}