package structs

// Board is a generic 2D grid for turn-based games.
// Cell data is stored as strings, but can represent anything (piece, move, state).
type Board struct {
	Rows int      `json:"rows"`
	Cols int      `json:"cols"`
	Grid [][]string `json:"grid"`
}

// NewBoard creates a grid of empty strings.
func NewBoard(rows, cols int) *Board {
	b := &Board{
		Rows: rows,
		Cols: cols,
		Grid: make([][]string, rows),
	}

	for r := 0; r < rows; r++ {
		b.Grid[r] = make([]string, cols)
	}

	return b
}

func (b *Board) InBounds(row, col int) bool {
	return row >= 0 && row < b.Rows && col >= 0 && col < b.Cols
}

func (b *Board) Get(row, col int) string {
	return b.Grid[row][col]
}

func (b *Board) Set(row, col int, value string) {
	b.Grid[row][col] = value
}

func (b *Board) IsEmpty(row, col int) bool {
	return b.Grid[row][col] == ""
}

func (b *Board) Full() bool {
	for r := 0; r < b.Rows; r++ {
		for c := 0; c < b.Cols; c++ {
			if b.Grid[r][c] == "" {
				return false
			}
		}
	}
	return true
}