package main

import "strconv"

// drawBox Draw the outline of the box the snake can move in
func (g *Game) drawBox(game *Game) {

	x1 := 0
	y1 := 0
	x2 := 79
	y2 := 23

	if y2 < y1 {
		y1, y2 = y2, y1
	}
	if x2 < x1 {
		x1, x2 = x2, x1
	}

	// Fill background
	for row := y1; row <= y2; row++ {
		for col := x1; col <= x2; col++ {
			game.screen.SetContent(col, row, ' ', nil, game.style)
		}
	}

	// Draw borders
	for col := x1; col <= x2; col++ {
		game.screen.SetContent(col, y1, '═', nil, game.style)
		game.screen.SetContent(col, y2, '═', nil, game.style)
	}
	for row := y1 + 1; row < y2; row++ {
		game.screen.SetContent(x1, row, '║', nil, game.style)
		game.screen.SetContent(x2, row, '║', nil, game.style)
	}

	// Only draw corners if necessary
	if y1 != y2 && x1 != x2 {
		game.screen.SetContent(x1, y1, '╔', nil, game.style)
		game.screen.SetContent(x2, y1, '╗', nil, game.style)
		game.screen.SetContent(x1, y2, '╚', nil, game.style)
		game.screen.SetContent(x2, y2, '╝', nil, game.style)
	}

}

// drawCoords Print the coordinates of the head of the snake
func (g *Game) drawCoords(game *Game) {
	var x, y int = 25, 24
	for _, r := range []rune("[ x:" + strconv.FormatInt(int64(game.player.position.x), 10) + " y: " + strconv.FormatInt(int64(game.player.position.y), 10) + " ]") {
		game.screen.SetContent(x, y-1, r, nil, game.style)
		x++
	}
}