//
//  SubBoardView.swift
//  
//
//  Created by Shadowfacts on 12/21/22.
//

import SwiftUI

@available(iOS 16.0, *)
struct SubBoardView: View {
    let board: TicTacToeBoard
    let cellTapped: ((_ column: Int, _ row: Int) -> Void)?
    @State private var cellSize: CGFloat = 0
    
    init(board: TicTacToeBoard, cellTapped: ((Int, Int) -> Void)? = nil) {
        self.board = board
        self.cellTapped = cellTapped
    }
    
    var body: some View {
        BoardView(board: board, cellSize: $cellSize, spacing: 10) { column, row in
            applyTapHandler(column, row, MarkView(mark: board[column, row])
                .contentShape(Rectangle()))
        }
    }
    
    @ViewBuilder
    private func applyTapHandler(_ column: Int, _ row: Int, _ view: some View) -> some View {
        if let cellTapped {
            view.onTapGesture {
                cellTapped(column, row)
            }
        } else {
            view
        }
    }
}

@available(iOS 16.0, *)
struct SubBoardView_Previews: PreviewProvider {
    static var previews: some View {
        SubBoardView(board: TicTacToeBoard(marks: [
            [ .x,   .o,  .x],
            [nil,   .x,  .o],
            [ .x,  nil, nil],
        ]))
    }
}