package game

import (
	"fmt"
	"strings"
	"testing"

	"thehouseoficarus/internal/casino"
	"thehouseoficarus/internal/color"
)

func TestCrapsDiceTilesAndFallbacks(t *testing.T) {
	for _, mode := range []string{"xterm256", "ansi", "none", ""} {
		for _, unicode := range []bool{true, false} {
			for a := 1; a <= 6; a++ {
				for b := 0; b <= 6; b++ {
					art := renderCrapsDice([2]int{a, b}, mode, unicode)
					plain := plainRoulette(art)
					rows := strings.Split(strings.TrimSuffix(plain, "\n"), "\n")
					if len(rows) != 5 {
						t.Fatal("tile height", rows)
					}
					width := 9 // two-column indent and one seven-column die
					if b != 0 {
						width += 10
					}
					for i, row := range rows {
						if i == 2 {
							row = strings.TrimSuffix(row, fmt.Sprintf("   Total: %d", a+b))
						}
						if color.VisibleLen(row) != width {
							t.Fatalf("uneven dice: %q", plain)
						}
					}
					pip := "●"
					if !unicode {
						pip = "o"
						for _, r := range plain {
							if r > 127 {
								t.Fatal("Unicode in ASCII fallback")
							}
						}
					}
					if strings.Count(strings.ReplaceAll(plain, "Total:", ""), pip) != a+b {
						t.Fatal("incorrect pips", a, b, plain)
					}
					if mode == "none" || mode == "" {
						if strings.Contains(art, "\x1b") || !strings.Contains(plain, "+-----+") {
							t.Fatal("missing monochrome outline", art)
						}
					} else {
						if !strings.Contains(art, color.BgCode(mode, 15)) || !strings.Contains(art, color.FgCode(mode, 0)) {
							t.Fatal("missing black-on-white face", art)
						}
						if unicode && (!strings.Contains(plain, "▄▄▄▄▄▄▄") || !strings.Contains(plain, "▀▀▀▀▀▀▀")) {
							t.Fatal("missing block caps", art)
						}
					}
				}
			}
		}
	}
	for _, dice := range [][2]int{{0, 0}, {-1, 2}, {7, 1}, {1, -1}, {1, 7}} {
		if renderCrapsDice(dice, "xterm256", true) != "" {
			t.Fatal("rendered invalid dice", dice)
		}
	}
}

func TestHighPointFeltIncludesSevenPoint(t *testing.T) {
	for n := 4; n <= 10; n++ {
		art := plainRoulette(renderHighPointFelt(&casino.CrapsSnapshot{Point: n}, "none", true))
		if strings.Count(art, "ON ") != 1 {
			t.Fatalf("point %d missing its puck:\n%s", n, art)
		}
		for _, row := range strings.Split(strings.TrimSuffix(art, "\n"), "\n") {
			if color.VisibleLen(row) != crapsCanvasWidth {
				t.Fatal("felt width changed")
			}
		}
	}
}