package app

import (
	"strings"
	"testing"

	"git.stormux.org/storm/cthulhu/internal/atspi"
	"git.stormux.org/storm/cthulhu/internal/config"
)

func TestSpellingAttributesAgreeInSpeechAndBraille(t *testing.T) {
	settings := config.DefaultTextAttributes()
	settings.Indicator = 0x40
	for index := range settings.Choices {
		settings.Choices[index].Speak = settings.Choices[index].Key == "text-spelling"
		settings.Choices[index].Braille = settings.Choices[index].Speak
	}
	for _, test := range []struct {
		key, value string
		misspelled bool
	}{
		{"invalid", "spelling", true},
		{"invalid", "grammar", false},
		{"invalid-spelling", "true", true},
		{"invalid-spelling", "misspelled", true},
		{"spelling", "true", true},
		{"spelling", "misspelled", true},
		{"text-spelling", "misspelled", true},
		{"text-spelling", "true", true},
		{"text-spelling", "false", false},
		{"text-spelling", "none", false},
		{"underline", "error", true},
		{"underline", "spelling", true},
		{"underline", "single", false},
	} {
		t.Run(test.key+"="+test.value, func(t *testing.T) {
			values := map[string]string{test.key: test.value}
			snapshot := atspi.Snapshot{Role: "entry", BrailleLine: "word", TextCaretKnown: true,
				TextAttributeRun: atspi.TextAttributeRun{Start: 0, End: 4, Values: values}}
			frame := brailleFocusFrameWithOptions(snapshot, config.DefaultSettings().Braille, settings)
			marked := len(frame.Dots) >= 4 && frame.Dots[0] == 0x40 && frame.Dots[3] == 0x40
			if marked != test.misspelled {
				t.Errorf("braille dots = %v, want misspelled %v", frame.Dots, test.misspelled)
			}
			want := ""
			if test.misspelled {
				want = "misspelled"
			}
			if got := strings.Join(spokenCharacterAttributes(values, true, settings), ", "); got != want {
				t.Errorf("speech = %q, want %q", got, want)
			}
		})
	}
}

func TestBrailleTextAttributeIndicatorMarksCurrentRun(t *testing.T) {
	s := atspi.Snapshot{Role: "entry", BrailleLine: "abcde", BrailleLineStart: 10,
		BrailleCaret: 12, TextCaretKnown: true,
		TextAttributeRun: atspi.TextAttributeRun{Start: 11, End: 14, Values: map[string]string{"weight": "700"}}}
	settings := config.DefaultTextAttributes()
	settings.Indicator = 0x40
	for index := range settings.Choices {
		settings.Choices[index].Braille = settings.Choices[index].Key == "weight"
	}
	frame := brailleFocusFrameWithOptions(s, config.DefaultSettings().Braille, settings)
	if len(frame.Dots) < 5 || frame.Dots[0] != 0 || frame.Dots[1] != 0x40 || frame.Dots[2] != 0x40 || frame.Dots[3] != 0x40 || frame.Dots[4] != 0 {
		t.Fatalf("attribute dots = %v", frame.Dots)
	}
	settings.Indicator = 0x80
	frame = brailleFocusFrameWithOptions(s, config.DefaultSettings().Braille, settings)
	if frame.Dots[2] != 0x80 {
		t.Fatalf("dot eight = %v", frame.Dots)
	}
	settings.Choices[2].Braille = false
	frame = brailleFocusFrameWithOptions(s, config.DefaultSettings().Braille, settings)
	if len(frame.Dots) != 0 {
		t.Fatalf("disabled indicator = %v", frame.Dots)
	}
}

func TestBrailleTextAttributeIndicatorMarksSeparateRuns(t *testing.T) {
	s := atspi.Snapshot{Role: "entry", BrailleLine: "abcd", BrailleLineStart: 4,
		BrailleCaret: 5, TextCaretKnown: true,
		TextAttributeRuns: []atspi.TextAttributeRun{
			{Start: 4, End: 6, Values: map[string]string{"weight": "700"}},
			{Start: 6, End: 8, Values: map[string]string{"underline": "single"}},
		}}
	settings := config.DefaultTextAttributes()
	settings.Indicator = 0xc0
	for index := range settings.Choices {
		settings.Choices[index].Braille = settings.Choices[index].Key == "underline"
	}
	frame := brailleFocusFrameWithOptions(s, config.DefaultSettings().Braille, settings)
	if len(frame.Dots) < 4 || frame.Dots[0] != 0 || frame.Dots[1] != 0 || frame.Dots[2] != 0xc0 || frame.Dots[3] != 0xc0 {
		t.Fatalf("separate runs = %v", frame.Dots)
	}
}

func TestCaptureTextAttributesRequiresEnabledBrailleAndMarkedAttribute(t *testing.T) {
	settings := config.DefaultSettings()
	settings.TextAttributes.Indicator = 0x40
	settings.TextAttributes.Choices[0].Braille = true
	if captureTextAttributes(settings) {
		t.Fatal("captured attributes with braille disabled")
	}
	settings.EnableBraille = true
	if !captureTextAttributes(settings) {
		t.Fatal("did not capture enabled attribute runs")
	}
	settings.TextAttributes.Choices[0].Braille = false
	if captureTextAttributes(settings) {
		t.Fatal("captured without a marked attribute")
	}
}