//
//  Array+UITableDataSource.swift
//  TournamentStats
//
//  Created by Laurent Morvillier on 05/08/2019.
//  Copyright © 2019 Stax River. All rights reserved.
//

import Foundation
import UIKit




class DataSourceWrapper<T : ColumnRepresentable> : NSObject, UITableViewDataSource, UITableViewDelegate {

    var columnRepresentables: [T]

    init(array: [T]) {
        self.columnRepresentables = array
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        print("numberOfRowsInSection = \(self.columnRepresentables.count)")
        return self.columnRepresentables.count + 1 // + 1 for header
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: "Cell") as! StackTableCell
        
        var columns: [String]
        var font: UIFont
        switch indexPath.row {
        case 0:
            columns = T.headers()
            font = UIFont.boldSystemFont(ofSize: 16.0)
        default:
            let cr = self.columnRepresentables[indexPath.row - 1]
            columns = cr.colums()
            font = UIFont.systemFont(ofSize: 16.0)
        }
        
        columns.forEach { value in
            let label: UILabel = UILabel(frame: CGRect(x: 0, y: 0, width: 50, height: 30))
            label.textColor = UIColor.black
            label.backgroundColor = UIColor.white
            label.text = value
            label.font = font
            cell.stackView.addArrangedSubview(label)
        }
        
        return cell
    }
    
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return 32.0
    }
    
    func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        return 0.1
    }

}