package color_test

import (
	"io"
	"testing"

	"git.akyoto.dev/go/assert"
	"git.akyoto.dev/go/color"
)

func TestFprint(t *testing.T) {
	color.Terminal = true

	color.RGB(1, 0, 0).Fprint(io.Discard, "red")
	color.RGB(0, 1, 0).Fprint(io.Discard, "green")
	color.RGB(0, 0, 1).Fprint(io.Discard, "blue")

	color.Terminal = false

	color.RGB(1, 0, 0).Fprint(io.Discard, "red")
	color.RGB(0, 1, 0).Fprint(io.Discard, "green")
	color.RGB(0, 0, 1).Fprint(io.Discard, "blue")
}

func TestPrint(t *testing.T) {
	color.Terminal = true

	color.RGB(1, 0, 0).Print("red\n")
	color.RGB(0, 1, 0).Print("green\n")
	color.RGB(0, 0, 1).Print("blue\n")

	color.Terminal = false

	color.RGB(1, 0, 0).Print("red\n")
	color.RGB(0, 1, 0).Print("green\n")
	color.RGB(0, 0, 1).Print("blue\n")
}

func TestPrintln(t *testing.T) {
	color.Terminal = true

	color.RGB(1, 0, 0).Println("red")
	color.RGB(0, 1, 0).Println("green")
	color.RGB(0, 0, 1).Println("blue")

	color.Terminal = false

	color.RGB(1, 0, 0).Println("red")
	color.RGB(0, 1, 0).Println("green")
	color.RGB(0, 0, 1).Println("blue")
}

func TestRGB(t *testing.T) {
	color.Terminal = true

	rgbColors := map[string]color.Color{
		"black":   color.RGB(0, 0, 0),
		"white":   color.RGB(1, 1, 1),
		"gray":    color.RGB(0.5, 0.5, 0.5),
		"red":     color.RGB(1, 0, 0),
		"green":   color.RGB(0, 1, 0),
		"blue":    color.RGB(0, 0, 1),
		"cyan":    color.RGB(0, 1, 1),
		"yellow":  color.RGB(1, 1, 0),
		"orange":  color.RGB(1, 0.5, 0),
		"magenta": color.RGB(1, 0, 1),
	}

	for name, c := range rgbColors {
		testColorRange(t, c)
		c.Println("█ " + name)
	}
}

func testColorRange(t *testing.T, c color.Color) {
	assert.True(t, c.R >= 0.0)
	assert.True(t, c.G >= 0.0)
	assert.True(t, c.B >= 0.0)

	assert.True(t, c.R <= 1.0)
	assert.True(t, c.G <= 1.0)
	assert.True(t, c.B <= 1.0)
}