package mpvconf

import (
	"strings"
	"testing"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestDefaultScopeAndLiteralValues(t *testing.T) {
	content := "\ufeff hwdec = auto\r\nhwdec=nvdec # effective\r\n[special]\r\nhwdec=no\r\nscale=bilinear\r\n[default] # resumes normal options\r\nscreenshot-template=\"shot, # %n\"\r\nscreenshot-avif-opts=crf=20,speed=6\r\nborder\r\n"
	assert.Equal(t, map[string]string{
		"hwdec": "nvdec", "screenshot-template": "shot, # %n",
		"screenshot-avif-opts": "crf=20,speed=6", "border": "yes",
	}, Parse(content))
	updated, change := Set(content, "hwdec", "auto-safe", true)
	assert.True(t, change.Found)
	assert.Equal(t, 1, change.Duplicates)
	assert.Equal(t, "nvdec", change.Previous)
	assert.Equal(t, "auto-safe", Parse(updated)["hwdec"])
	assert.Contains(t, updated, "hwdec=auto-safe # effective\r\n")
	assert.Contains(t, updated, "[special]\r\nhwdec=no\r\nscale=bilinear\r\n[default]")
	assert.True(t, strings.HasPrefix(updated, "\ufeff"))
	assert.NotContains(t, strings.ReplaceAll(updated, "\r\n", ""), "\n")
}

func TestMissingOptionIsAddedOutsideProfiles(t *testing.T) {
	original := "# header\n[special]\nhwdec=no\nscale=bilinear"
	updated, change := Set(original, "hwdec", "auto", true)
	assert.False(t, change.Found)
	assert.Equal(t, "# header\nhwdec=auto\n[special]\nhwdec=no\nscale=bilinear", updated)
	assert.Equal(t, "auto", Parse(updated)["hwdec"])
}

func TestQuotedValuesRoundTripWithoutCEscaping(t *testing.T) {
	for _, value := range []string{
		`C:\Pictures\clip, shots\`, `shot # %n`, `"literal" 'quotes' #`,
		" café, 'x' \"y\" # ", "%literal", " trailing space ",
	} {
		t.Run(value, func(t *testing.T) {
			content, _ := Set("", "screenshot-template", value, true)
			assert.Equal(t, value, Parse(content)["screenshot-template"])
		})
	}
	require.Equal(t, `C:\shots\`, Parse("screenshot-directory=\"C:\\shots\\\" # comment")["screenshot-directory"])
}

func TestOSCUpdatesPreserveProfileOverrideAndComment(t *testing.T) {
	original := "osc=yes\nosc = no # selected UI\n[cinema]\nosc=no\n"
	updated, _ := Set(original, "osc", "yes", true)
	assert.Equal(t, "osc = yes # selected UI\n[cinema]\nosc=no\n", updated)
	assert.Equal(t, "yes", Parse(updated)["osc"])
}