//
//  AlertsSeismicNotificationTableViewCell.swift
//  Earthquake Network
//
//  Created by Busi Andrea on 05/10/2020.
//  Copyright © 2020 Earthquake Network. All rights reserved.
//

import UIKit
import MapKit
import Shogun


class AlertsSeismicNotificationExpandedTableViewCell: EQNBaseContainerTableViewCell, MKMapViewDelegate {
    
    override var isHeaderVisible: Bool { false }
    
    typealias DefaultCompletion = () -> Void
    
    @objc var onTapOpenTwitter: DefaultCompletion?
    @objc var onTapRateApp: DefaultCompletion?
    @objc var onTapClose: DefaultCompletion?
    @objc var onTapShareApp: DefaultCompletion?
    
    // MARK: - UI
    
    private lazy var notificationTitleLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.numberOfLines = 0
        label.textColor = AppTheme.shared.cardTextColor
        label.font = .preferredFont(forTextStyle: .title1)
        label.textAlignment = .center
        return label
    }()

    private lazy var notificationIntensityLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.numberOfLines = 0
        label.textColor = AppTheme.shared.cardTextColor
        label.font = .preferredFont(forTextStyle: .title1)
        label.textAlignment = .center
        return label
    }()

    private lazy var notificationDescriptionLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.numberOfLines = 0
        label.textColor = AppTheme.shared.cardTextColor
        label.font = .preferredFont(forTextStyle: .body)
        label.textAlignment = .center
        return label
    }()
    
    private lazy var mapView: MKMapView = {
        let mapView = MKMapView()
        mapView.translatesAutoresizingMaskIntoConstraints = false
        mapView.delegate = self
        mapView.isScrollEnabled = false
        mapView.isZoomEnabled = false
        mapView.register(EQNCustomAnnotationView.self, forAnnotationViewWithReuseIdentifier: EQNCustomAnnotationView.SingleLineIdentifier)
        return mapView
    }()
    
    private lazy var shareButton: UIButton = {
        let button = EQNRoundedButton.make(target: self, action: #selector(shareAppTapped(_:)))
        return button
    }()
    
    private lazy var rateAppButton: UIButton = {
        let button = EQNRoundedButton.make(target: self, action: #selector(rateAppTapped(_:)))
        return button
    }()
    
    private lazy var viewOnTwitterButton: UIButton = {
        let button = EQNRoundedButton.make(target: self, action: #selector(viewInTwitterTapped(_:)))
        return button
    }()
    
    private lazy var closeButton: UIButton = {
        let button = EQNRoundedButton.make(target: self, action: #selector(closeTapped(_:)))
        return button
    }()

    private lazy var descriptionLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.numberOfLines = 0
        label.textColor = AppTheme.shared.cardTextColor
        label.font = .preferredFont(forTextStyle: .body)
        label.textAlignment = .center
        return label
    }()


    // MARK: - Internal
    
    override func setupUI() {
        super.setupUI()
        
        let stackView = UIStackView(arrangedSubviews: [shareButton, rateAppButton])
        stackView.translatesAutoresizingMaskIntoConstraints = false
        stackView.axis = .horizontal
        stackView.distribution = .fillEqually
        stackView.spacing = .cardVerticalSpacing
        
        containerView.addSubview(notificationTitleLabel)
        containerView.addSubview(notificationIntensityLabel)
        containerView.addSubview(notificationDescriptionLabel)
        containerView.addSubview(mapView)
        containerView.addSubview(stackView)
        containerView.addSubview(viewOnTwitterButton)
        containerView.addSubview(descriptionLabel)
        containerView.addSubview(closeButton)

        notificationTitleLabel.topAnchor.constraint(equalTo: containerView.topAnchor, constant: .cardPadding).isActive = true
        notificationTitleLabel.leadingAnchor.constraint(equalTo: containerView.leadingAnchor, constant: .cardPadding).isActive = true
        notificationTitleLabel.trailingAnchor.constraint(equalTo: containerView.trailingAnchor, constant: .cardPadding.negative).isActive = true
        
        notificationIntensityLabel.topAnchor.constraint(equalTo: notificationTitleLabel.bottomAnchor, constant: .cardVerticalSpacing).isActive = true
        notificationIntensityLabel.leadingAnchor.constraint(equalTo: notificationTitleLabel.leadingAnchor).isActive = true
        notificationIntensityLabel.trailingAnchor.constraint(equalTo: notificationTitleLabel.trailingAnchor).isActive = true
        
        notificationDescriptionLabel.topAnchor.constraint(equalTo: notificationIntensityLabel.bottomAnchor, constant: .cardVerticalSpacing).isActive = true
        notificationDescriptionLabel.leadingAnchor.constraint(equalTo: notificationTitleLabel.leadingAnchor).isActive = true
        notificationDescriptionLabel.trailingAnchor.constraint(equalTo: notificationTitleLabel.trailingAnchor).isActive = true

        mapView.topAnchor.constraint(equalTo: notificationDescriptionLabel.bottomAnchor, constant: .cardVerticalSpacing).isActive = true
        mapView.leadingAnchor.constraint(equalTo: containerView.leadingAnchor).isActive = true
        mapView.trailingAnchor.constraint(equalTo: containerView.trailingAnchor).isActive = true
        mapView.heightAnchor.constraint(greaterThanOrEqualToConstant: 240.0).isActive = true
        
        shareButton.heightAnchor.constraint(greaterThanOrEqualToConstant: 40.0).isActive = true
        rateAppButton.heightAnchor.constraint(equalTo: shareButton.heightAnchor).isActive = true
        viewOnTwitterButton.heightAnchor.constraint(equalTo: shareButton.heightAnchor).isActive = true
        closeButton.heightAnchor.constraint(equalTo: shareButton.heightAnchor).isActive = true
        stackView.topAnchor.constraint(equalTo: mapView.bottomAnchor, constant: .cardVerticalSpacing).isActive = true
        stackView.leadingAnchor.constraint(equalTo: notificationDescriptionLabel.leadingAnchor).isActive = true
        stackView.trailingAnchor.constraint(equalTo: notificationDescriptionLabel.trailingAnchor).isActive = true
        
        viewOnTwitterButton.topAnchor.constraint(equalTo: stackView.bottomAnchor, constant: .cardVerticalSpacing).isActive = true
        viewOnTwitterButton.leadingAnchor.constraint(equalTo: stackView.leadingAnchor).isActive = true
        viewOnTwitterButton.trailingAnchor.constraint(equalTo: stackView.trailingAnchor).isActive = true
        
        descriptionLabel.topAnchor.constraint(equalTo: viewOnTwitterButton.bottomAnchor, constant: .cardPadding).isActive = true
        descriptionLabel.leadingAnchor.constraint(equalTo: viewOnTwitterButton.leadingAnchor).isActive = true
        descriptionLabel.trailingAnchor.constraint(equalTo: viewOnTwitterButton.trailingAnchor).isActive = true
        
        closeButton.topAnchor.constraint(equalTo: descriptionLabel.bottomAnchor, constant: .cardVerticalSpacing).isActive = true
        closeButton.leadingAnchor.constraint(equalTo: descriptionLabel.leadingAnchor).isActive = true
        closeButton.trailingAnchor.constraint(equalTo: descriptionLabel.trailingAnchor).isActive = true
        closeButton.bottomAnchor.constraint(equalTo: containerView.bottomAnchor, constant: .cardVerticalSpacing.negative).isActive = true
    }
    
    override func updateUI() {
        super.updateUI()
        
        shareButton.setLocalizedTitle(key: "main_share_app")
        rateAppButton.setLocalizedTitle(key: "main_vote")
        viewOnTwitterButton.setLocalizedTitle(key: "main_twitter_see")
        closeButton.setLocalizedTitle(key: "official_close")
        descriptionLabel.text = NSLocalizedString("map_smartphone_magnitude", comment: "")
    }

    // MARK: - Public
    
    @objc
    func update(with notification: EQNRealtimePushNotification?) {
        // clearn any other previous notifications
        notificationTitleLabel.text = "Sisma rilevato a 150km (TEST)"
        notificationIntensityLabel.text = "Previsto uno scuotimento forte"
        notificationDescriptionLabel.text = "Distanza 150 km - 13 minuti fa"
        mapView.removeAnnotations(mapView.annotations)
        
        guard let notification = notification else { return }

        backgroundColor = backgroundColor(for: notification.relativeIntensity())
        notificationTitleLabel.text = notification.title
        notificationIntensityLabel.text = notification.displayBody
        notificationIntensityLabel.textColor = notification.relativeIntensityColor
        
        if  let date = notification.dateTime {
            
            let distance = EQNUser.default().lastPosition?.distance(from: notification.coordinate) ?? 0.0
            let distanceRound = Int(round(distance / 1_000))
            let difference = Int(NSDate().timeIntervalSince(date) / 60.0)
            
            notificationDescriptionLabel.text = ""
            + NSLocalizedString("official_card_distance", comment: "") + " \(distanceRound) km"
            + " - " + EQNUtility.formattedString(forTimeDifference: difference)
        }
        
        let span = MKCoordinateSpan(latitudeDelta: 10.5, longitudeDelta: 10.5)
        let region = MKCoordinateRegion(center: notification.coordinate.coordinate, span: span)
        
        mapView.setCenter(notification.coordinate.coordinate, animated: false)
        mapView.setRegion(region, animated: true)
        
        let annotation = EQNMapAnnotationPastquake(title: "", coordinate: notification.coordinate.coordinate, intensity: notification.intensity)
        mapView.addAnnotation(annotation)
    }
    
    func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView? {
        guard let annotation = annotation as? EQNMapAnnotationPastquake else {
            return nil
        }
        
        let annotationView = mapView.dequeueReusableAnnotationView(withIdentifier: EQNCustomAnnotationView.SingleLineIdentifier, for: annotation) as! EQNCustomAnnotationView
        annotationView.image = annotation.image
        annotationView.title = annotation.title
        return annotationView
    }
    
    // MARK: - Actions
    
    @objc private func shareAppTapped(_ sender: UIButton) {
        onTapShareApp?()
    }
    
    @objc private func rateAppTapped(_ sender: UIButton) {
        onTapRateApp?()
    }

    @objc private func viewInTwitterTapped(_ sender: UIButton) {
        onTapOpenTwitter?()
    }
    
    @objc private func closeTapped(_ sender: UIButton) {
        onTapClose?()
    }
    
    // MARK: - Private
    
    private func backgroundColor(for intensity: Double) -> UIColor {
        switch intensity {
        case _ where intensity < 0.004:
            return AppTheme.Colors.cardBackgroundGray
        case _ where intensity < 0.30:
            return AppTheme.Colors.cardBackgroundGreen
        case _ where intensity < 0.70:
            return AppTheme.Colors.cardBackgroundYellow
        default:
            return AppTheme.Colors.cardBackgroundRed
        }
    }
}