import XCTest
@testable import Model

final class FilledBoardTests: XCTestCase {
    private static let playerA = Player(name: "dummy A", piece_type: .A)
    private static let playerB = Player(name: "dummy B", piece_type: .B)
    
    private var board: Board!
    
    override func setUp() {
        super.setUp()
        
        guard var board = Board(columns: 5, rows: 6) else {
            XCTFail()
            return
        }
        
        for row in 0..<board.rows {
            for col in 0..<board.columns {
                board[col, row] = if (row & 1) == 1 {
                    Piece(owner: Self.playerA)
                } else {
                    Piece(owner: Self.playerB)
                }
            }
        }
        
        self.board = board
    }
    
    func testRemovePiece() throws {
        board[1, 2] = nil
        
        XCTAssertNil(board[1, 2])
    }
    
    func testInsertsFallFail() throws {
        for (from, direction): ((Int, Int), Direction) in [
            ((0, 0), .Bottom),
            ((0, 0), .Right),
            ((4, 5), .Left),
            ((4, 5), .Top),
            
            ((4, 5), .Bottom),
            ((4, 5), .Right),
            ((0, 0), .Left),
            ((0, 0), .Top),
        ] {
            try self.setUpWithError()
            
            try self._testInsertFallFail(from: Coords(pair: from), dir: direction)
            
            try self.tearDownWithError()
        }
    }
    
    private func _testInsertFallFail(from: Coords, dir: Direction) throws {
        XCTAssertEqual(board.fallCoordinates(initialCoords: from, direction: dir), .Occupied)
    }
}