eqn.ios/Sources/Earthquake Network/Controllers/Seismic Networks/Cells/SeismicNetworkMinimalTableViewCell.swift

//
//  SeismicNetworkMinimalTableViewCell.swift
//  Earthquake Network
//
//  Created by Andrea Busi on 06/03/25.
//  Copyright © 2025 Earthquake Network. All rights reserved.
//

import UIKit
import Shogun


class SeismicNetworkMinimalTableViewCell: SeismicNetworkBaseTableViewCell {
    
    // MARK: - UI
    
    private lazy var magnitudeLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.font = UIFont.preferredFont(forTextStyle: .largeTitle)
        label.textColor = .red
        label.textAlignment = .center
        return label
    }()

    private lazy var placeLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.font = UIFont.preferredFont(forTextStyle: .title2, weight: .semibold)
        label.numberOfLines = 3
        return label
    }()
    
    private lazy var timeLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.font = .preferredFont(forTextStyle: .body)
        label.numberOfLines = 2
        return label
    }()
    
    private lazy var distanceLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.font = .preferredFont(forTextStyle: .body)
        label.numberOfLines = 2
        return label
    }()

    private lazy var smartphonesLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.numberOfLines = 0
        label.font = .preferredFont(forTextStyle: .body)
        label.textAlignment = .center
        label.numberOfLines = 2
        return label
    }()
    
    private lazy var alertsLabel: UILabel = {
        let label = UILabel()
        label.translatesAutoresizingMaskIntoConstraints = false
        label.numberOfLines = 0
        label.font = .preferredFont(forTextStyle: .body)
        label.textAlignment = .center
        label.numberOfLines = 2
        return label
    }()
    
    // MARK: - Internal
    
    /// Seismic to show
    private var seismic: EQNSisma?
    private var isPushSelected = false
    private var informationTypes: Set<InformationType> = []

    // MARK: - Setup

    override func setupUI() {
        super.setupUI()
        
        // this variable is used to keep track of the previous view, in order to attach proper constraints
        var previousView: UIView = containerView

        // preliminary banner on top of the cell
        if informationTypes.contains(.preliminary) {
            let preliminaryLabel = UILabel()
            preliminaryLabel.translatesAutoresizingMaskIntoConstraints = false
            preliminaryLabel.text = NSLocalizedString("official_prelimiary", comment: "").uppercased()
            preliminaryLabel.textAlignment = .center
            preliminaryLabel.backgroundColor = .red
            preliminaryLabel.textColor = .yellow
            
            containerView.addSubview(preliminaryLabel)
            preliminaryLabel.heightAnchor.constraint(equalToConstant: 30.0).isActive = true
            preliminaryLabel.leadingAnchor.constraint(equalTo: containerView.leadingAnchor).isActive = true
            preliminaryLabel.trailingAnchor.constraint(equalTo: containerView.trailingAnchor).isActive = true
            preliminaryLabel.topAnchor.constraint(equalTo: containerView.topAnchor).isActive = true
            
            previousView = preliminaryLabel
        }
        
        containerView.addSubview(magnitudeLabel)
        containerView.addSubview(placeLabel)
        
        let titleTopAnchor = previousView == containerView ? containerView.layoutMarginsGuide.topAnchor : previousView.bottomAnchor
        
        
        let stackViewInformations = UIStackView(arrangedSubviews: [timeLabel, distanceLabel])
        stackViewInformations.translatesAutoresizingMaskIntoConstraints = false
        stackViewInformations.axis = .horizontal
        stackViewInformations.distribution = .fillEqually
        stackViewInformations.spacing = Self.HorizontalSpacingDefault
        containerView.addSubview(stackViewInformations)

        let stackViewRight = UIStackView(arrangedSubviews: [placeLabel, stackViewInformations])
        stackViewRight.translatesAutoresizingMaskIntoConstraints = false
        stackViewRight.axis = .vertical
        stackViewRight.distribution = .equalSpacing
        stackViewRight.spacing = Self.VerticalSpacingDefault

        let stackViewMain = UIStackView(arrangedSubviews: [magnitudeLabel, stackViewRight])
        stackViewMain.translatesAutoresizingMaskIntoConstraints = false
        stackViewMain.axis = .horizontal
        stackViewMain.distribution = .fill
        stackViewMain.spacing = Self.HorizontalSpacingDefault
        containerView.addSubview(stackViewMain)

        stackViewMain.topAnchor.constraint(equalTo: titleTopAnchor).isActive = true
        stackViewMain.leadingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.leadingAnchor).isActive = true
        stackViewMain.trailingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.trailingAnchor).isActive = true
        magnitudeLabel.widthAnchor.constraint(equalToConstant: 60.0).isActive = true
        
        previousView = stackViewMain
        
        if informationTypes.contains(.realtimeSmartphones) || informationTypes.contains(.reportUsers) || informationTypes.contains(.intensityMap) {
            let separator = addSeparator(constraintTo: previousView.bottomAnchor, constanst: Self.VerticalSpacingDefault)
            
            let stackViewReports = UIStackView()
            stackViewReports.translatesAutoresizingMaskIntoConstraints = false
            stackViewReports.axis = .vertical
            stackViewReports.distribution = .equalSpacing
            stackViewReports.alignment = .center
            stackViewReports.spacing = Self.VerticalSpacingDefault
            
            if informationTypes.contains(.realtimeSmartphones) {
                stackViewReports.addArrangedSubview(smartphonesLabel)
            }
            if informationTypes.contains(.reportUsers) {
                stackViewReports.addArrangedSubview(alertsLabel)
            }
            if informationTypes.contains(.intensityMap) {
                let buttonMap = EQNRoundedButton.make(title: "🎯 \(NSLocalizedString("shakemap", comment: ""))", target: self, action: #selector(intensityMapTapped(_:)))
                stackViewReports.addArrangedSubview(buttonMap)
                buttonMap.heightAnchor.constraint(equalToConstant: Self.DefaultButtonHeight).isActive = true
                buttonMap.leadingAnchor.constraint(equalTo: stackViewReports.leadingAnchor).isActive = true
                buttonMap.trailingAnchor.constraint(equalTo: stackViewReports.trailingAnchor).isActive = true
            }
            
            containerView.addSubview(stackViewReports)
            stackViewReports.topAnchor.constraint(equalTo: separator.bottomAnchor, constant: Self.VerticalSpacingDefault).isActive = true
            stackViewReports.leadingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.leadingAnchor).isActive = true
            stackViewReports.trailingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.trailingAnchor).isActive = true

            previousView = stackViewReports
        }
        
        previousView.bottomAnchor.constraint(equalTo: containerView.layoutMarginsGuide.bottomAnchor).isActive = true
        
        containerView.eqn_applyShadowAndRoundedCorners()
        gradientView.eqn_applyRoundedCorners()
    }
    
    private func updateUI() {
        guard let seismic = seismic else { return }
        
        let viewModel = SeismicNetworkMinimalViewModel(seismic: seismic)
        
        gradientView.image = .gradient(from: viewModel.colors.startColor, to: viewModel.colors.endColor, with: .init(origin: .zero, size: .init(width: 500, height: 1)))
        
        placeLabel.text = viewModel.place
        placeLabel.textColor = isPushSelected ? AppTheme.Colors.pureBlue : AppTheme.shared.cardTextColor
        magnitudeLabel.textColor = viewModel.colors.textColor
        magnitudeLabel.text = viewModel.magnitude
        timeLabel.text = "🕗 \(viewModel.time)"
        distanceLabel.text = "📐 \(viewModel.distance)"
        
        if !viewModel.smartphones.isEmpty {
            smartphonesLabel.text = "🚨 \(viewModel.smartphones)"
        }
        if !viewModel.users.isEmpty {
            alertsLabel.text = "⚠️ \(viewModel.users)"
        }
    }
    
    // MARK: - Public
    
    /// Configure the cell to display a seismic
    /// - Parameters:
    ///   - seismic: Seismic to display
    ///   - type: Type of cell
    ///   - informations: Informations to show
    public func configure(
        with seismic: EQNSisma,
        isPushSelected: Bool
    ) {
        self.seismic = seismic
        self.isPushSelected = isPushSelected
        
        if seismic.preliminary.intValue > 0 {
            informationTypes.insert(.preliminary)
        }
        if seismic.smartphoneNumber.intValue > 0 {
            informationTypes.insert(.realtimeSmartphones)
        }
        if seismic.userNumber.intValue > 0 {
            informationTypes.insert(.reportUsers)
        }
        if seismic.isoCode == "0" {
            informationTypes.remove(.intensityMap)
        }
        
        recreateUI()
        updateUI()
    }

    // MARK: - Actions
    
    @objc private func intensityMapTapped(_ sender: Any) {
        delegate?.seismicNetworkCellDidTapIntensityMapDetail(self)
    }
}