//
//  TableCellItem.swift
//  VDS
//
//  Created by Nadigadda, Sumanth on 25/04/24.
//

import Foundation
import UIKit
import VDSTokens

final class TableCellItem: UICollectionViewCell {
    
    static let Identifier: String = String(describing: TableCellItem.self)
    
    private let containerView = View().with {
        $0.translatesAutoresizingMaskIntoConstraints = false
    }
    
    private var cellLabel = Label().with {
        $0.translatesAutoresizingMaskIntoConstraints = false
        $0.setContentHuggingPriority(.defaultHigh, for: .horizontal)
        $0.setContentHuggingPriority(.defaultHigh, for:.vertical)
        $0.textAlignment = .left
        $0.lineBreakMode = .byWordWrapping
    }
    
    private let separator: Line = Line()
    
    private let backgroundColorConfiguration = SurfaceColorConfiguration(VDSColor.backgroundPrimaryLight, VDSColor.backgroundPrimaryDark)
    private let stripedColorConfiguration = SurfaceColorConfiguration(VDSColor.backgroundSecondaryLight, VDSColor.backgroundSecondaryDark)
    
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupCell()
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
        setupCell()
    }
    
    private func setupCell() {
        contentView.backgroundColor = .clear
        
        addSubview(containerView)
        containerView.pinToSuperView()
        
        containerView.addSubview(cellLabel)
        cellLabel.pinToSuperView()
        
        containerView.addSubview(separator)
        separator.pinLeading().pinTrailing().pinBottom()
    }
    
    func updateCell(content: Any, surface: Surface, separatorStyle: Line.Style, isHeader: Bool = false, hideSeparator: Bool = false, striped: Bool = false) {
        guard let info = content as? String else { return }
        cellLabel.textStyle = textStyle(for: isHeader)
        cellLabel.text = info
        cellLabel.surface = surface
        
        containerView.surface = surface
        containerView.backgroundColor = striped ? stripedColorConfiguration.getColor(surface) : backgroundColorConfiguration.getColor(surface)
        
        separator.isHidden = hideSeparator
        separator.style = separatorStyle
        separator.surface = surface
    }
    
    private func textStyle(for header:Bool) -> TextStyle {
        return header ? .boldTitleSmall : UIDevice.isIPad ? .bodyLarge : .bodySmall
    }
    
    override func preferredLayoutAttributesFitting(_ layoutAttributes: UICollectionViewLayoutAttributes) -> UICollectionViewLayoutAttributes {
        let targetSize = CGSize(width: layoutAttributes.frame.width, height: 0)
        layoutAttributes.frame.size = contentView.systemLayoutSizeFitting(targetSize, withHorizontalFittingPriority: .required, verticalFittingPriority: .fittingSizeLevel)
        return layoutAttributes
    }
}