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

import UIKit
import Shogun

protocol SeismicNetworkBaseTableViewCellDelegate: AnyObject {
    func seismicNetworkCellDidTapShare(_ cell: SeismicNetworkBaseTableViewCell)
    func seismicNetworkCellDidTapMap(_ cell: SeismicNetworkBaseTableViewCell)
    func seismicNetworkCellDidTapMapDetail(_ cell: SeismicNetworkBaseTableViewCell)
    func seismicNetworkCellDidTapIntensityMapDetail(_ cell: SeismicNetworkBaseTableViewCell)
    func seismicNetworkCellDidTapCalendar(_ cell: SeismicNetworkBaseTableViewCell)
    func seismicNetworkCellDidTapSettings(_ cell: SeismicNetworkBaseTableViewCell)
    func seismicNetworkCellDidTapClose(_ cell: SeismicNetworkBaseTableViewCell)
}


class SeismicNetworkBaseTableViewCell: UITableViewCell {
    
    /// Delegate
    weak var delegate: SeismicNetworkBaseTableViewCellDelegate?

    /// Available informations to display inside the cell
    enum InformationType: Int {
        case preliminary
        case time
        case distance
        case coordinate
        case population
        case realtimeSmartphones
        case reportUsers
        case intensityMap
        case buttons
    }
    
    // MARL: - Internal
    
    static let DefaultButtonHeight: CGFloat = 34.0
    static let VerticalSpacingDefault: CGFloat = 6.0
    static let VerticalSpacingSmall: CGFloat = 2.0
    static let HorizontalSpacingDefault: CGFloat = 4.0

    // MARK: - UI Components
    
    lazy var containerView: UIView = {
        let view = UIView(frame: .zero)
        view.translatesAutoresizingMaskIntoConstraints = false
        view.backgroundColor = .white
        view.clipsToBounds = true
        return view
    }()
    
    lazy var gradientView: UIImageView = {
        // Per gestire il gradiente, utilizziamo una image view in cui inseriamo un'immagine
        // creata ad-hoc con il gradiente desiderato.
        // Le prove fatte utilizzando una view normale sono fallite perchè al momento di
        // disegnare la view non abbiamo le misure corrette.
        let view = UIImageView(frame: .zero)
        view.translatesAutoresizingMaskIntoConstraints = false
        view.contentMode = .scaleToFill
        return view
    }()
    
    // MARK: - Init
    
    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        setupUI()
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
        setupUI()
    }
    
    // MARK: - View Lifecycle
    
    override func layoutSubviews() {
        super.layoutSubviews()
        
        containerView.eqn_applyShadowAndRoundedCorners()
        gradientView.eqn_applyRoundedCorners()
    }
    
    // MARK: - Setup
        
    func setupUI() {
        selectionStyle = .default
        backgroundColor = .clear
        
        // container view
        contentView.addSubview(containerView)
        containerView.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 4.0).isActive = true
        containerView.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -8.0).isActive = true
        containerView.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 8.0).isActive = true
        containerView.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -4.0).isActive = true
        
        containerView.addSubview(gradientView)
        gradientView.constraint(to: containerView)
    }
    
    func recreateUI() {
        // remove all subviews and recreate the required components
        containerView.subviews.forEach({ $0.removeFromSuperview() })
        setupUI()
    }

    @discardableResult
    func addSeparator(constraintTo: NSLayoutYAxisAnchor, constanst: CGFloat = 8.0) -> UIView {
        let separator = UIView()
        separator.translatesAutoresizingMaskIntoConstraints = false
        separator.backgroundColor = .lightGray
        containerView.addSubview(separator)
                
        separator.topAnchor.constraint(equalTo: constraintTo, constant: constanst).isActive = true
        separator.leadingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.leadingAnchor).isActive = true
        separator.trailingAnchor.constraint(equalTo: containerView.layoutMarginsGuide.trailingAnchor).isActive = true
        separator.heightAnchor.constraint(equalToConstant: 1.0).isActive = true
        
        return separator
    }
}