package app

import (
	"context"
	"log/slog"
	"strings"
	"testing"

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

type learnSpeechRecorder struct {
	texts      []string
	interrupts int
}

func (recorder *learnSpeechRecorder) Enqueue(request speechRequest) {
	recorder.texts = append(recorder.texts, request.Text)
}
func (recorder *learnSpeechRecorder) Interrupt() { recorder.interrupts++ }

type learnBrailleRecorder struct{ texts []string }

func (recorder *learnBrailleRecorder) EnqueueMessage(text string) bool {
	recorder.texts = append(recorder.texts, text)
	return true
}

func TestLearnModePresentsKeyCommandsWithoutExecutingThem(t *testing.T) {
	live := &liveSettings{}
	live.Store(config.DefaultSettings())
	speech := &learnSpeechRecorder{}
	braille := &learnBrailleRecorder{}
	presenter := &learnModePresenter{ctx: context.Background(), logger: slog.New(slog.DiscardHandler), speech: speech, braille: braille, live: live}
	presenter.handle(input.CommandEvent{Command: input.ToggleLearnMode, LearnModeStarted: true})
	if !presenter.active || len(speech.texts) != 2 || !strings.Contains(speech.texts[1], "Cthulhu F1") || len(braille.texts) != 1 {
		t.Fatalf("start speech=%q braille=%q", speech.texts, braille.texts)
	}
	presenter.handle(input.CommandEvent{Command: input.LearnKey, Chord: input.CommandChord{Symbol: 'q', CthulhuModifier: true}, KeyName: "q", Timestamp: 100})
	if got := speech.texts[len(speech.texts)-1]; got != "Quit Cthulhu." {
		t.Fatalf("command description = %q", got)
	}
	if got := braille.texts[len(braille.texts)-1]; got != "Quit Cthulhu." {
		t.Fatalf("braille description = %q", got)
	}
	presenter.handle(input.CommandEvent{Command: input.LearnKey, Chord: input.CommandChord{Symbol: 'z'}, KeyName: "z", Timestamp: 1000})
	presenter.handle(input.CommandEvent{Command: input.LearnKey, Chord: input.CommandChord{Symbol: 'z'}, KeyName: "z", Timestamp: 1200})
	if got := speech.texts[len(speech.texts)-1]; got != "zulu" {
		t.Fatalf("phonetic double press = %q", got)
	}
	presenter.handle(input.CommandEvent{Command: input.ToggleLearnMode, Chord: input.CommandChord{Symbol: 'h', CthulhuModifier: true}, KeyName: "h"})
	if presenter.active || speech.texts[len(speech.texts)-1] != "Exiting learn mode." || speech.interrupts < 4 {
		t.Fatalf("exit speech=%q interrupts=%d", speech.texts, speech.interrupts)
	}
}

func TestLearnShortcutListUsesActiveBindings(t *testing.T) {
	settings := config.DefaultSettings()
	settings.KeyBindings = []input.BindingOverride{{Layout: input.DesktopKeyboardLayout, Scope: "global", Command: input.Preferences, Keys: []string{"Cthulhu+Ctrl+F8"}}}
	list := makeShortcutList(settings)
	if len(list.Rows) == 0 || !strings.Contains(list.Title, "shortcuts found") {
		t.Fatalf("empty shortcut list: %+v", list)
	}
	foundLearn := false
	foundPreferences := false
	for _, row := range list.Rows {
		if row.Label == "Enter or exit learn mode." {
			foundLearn = strings.Contains(row.Keys, "Cthulhu+h") && strings.Contains(row.Keys, "Cthulhu+F1")
		}
		if row.Label == "Open Cthulhu preferences." {
			foundPreferences = true
			if row.Keys != "Cthulhu+Ctrl+F8" {
				t.Fatalf("preferences keys = %q", row.Keys)
			}
		}
	}
	if !foundLearn || !foundPreferences {
		t.Fatalf("learn and preferences shortcuts missing from list: learn=%t preferences=%t", foundLearn, foundPreferences)
	}
}