// Copyright (c) 2026 Storm Dragon
// Authors: Storm Dragon, Angus Kola
// SPDX-License-Identifier: GPL-3.0-or-later

package input

import "testing"

func TestOCRReaderShortcutsAndConfigurableSources(t *testing.T) {
	for _, layout := range []KeyboardLayout{DesktopKeyboardLayout, LaptopKeyboardLayout} {
		modifiers := uint16(0)
		if layout == LaptopKeyboardLayout {
			modifiers = 1
		}
		bindings := DefaultCommandBindings(layout)
		if bindings[CommandChord{Symbol: 'o', Modifiers: modifiers, CthulhuModifier: true}] != OCRWindow {
			t.Fatal("missing primary OCR shortcut")
		}
		pending := OCRPendingBindings(bindings)
		if pending[CommandChord{Symbol: downKeySymbol}] != "" || pending[CommandChord{Symbol: 0xff1b}] != OCRDismiss {
			t.Fatal("pending OCR claimed navigation")
		}
		for _, command := range []Command{OCRObject, OCRWindow, OCRDesktop, OCRClipboard} {
			if err := ValidateBindingOverrides([]BindingOverride{{Layout: layout, Scope: "global", Command: command, Keys: []string{"Cthulhu+F8"}}}); err != nil {
				t.Fatal(err)
			}
			found := false
			for _, row := range BindingRows(layout, nil) {
				if row.Command == command && row.Scope == "global" {
					found = true
					if command == OCRWindow && row.DefaultKeys == "" {
						t.Fatal("window OCR shortcut missing from preferences")
					}
				}
			}
			if !found {
				t.Fatalf("missing configurable source %s", command)
			}
		}
	}
}

func TestOCRBindingsPreserveGlobalAndLaptopReview(t *testing.T) {
	for _, layout := range []KeyboardLayout{DesktopKeyboardLayout, LaptopKeyboardLayout} {
		global := DefaultCommandBindings(layout)
		bindings := OCRCommandBindings(global)
		if bindings[CommandChord{Symbol: 0xffc2, CthulhuModifier: true}] != OCRRefresh ||
			bindings[CommandChord{Symbol: 0xff55}] != OCRPreviousPage || bindings[CommandChord{Symbol: 0xff56}] != OCRNextPage {
			t.Fatal("OCR refresh or page navigation binding missing")
		}
		for chord, command := range global {
			if chord.CthulhuModifier && bindings[chord] != command {
				t.Fatalf("global changed: %v", chord)
			}
		}
		for _, symbol := range []uint32{'h', 'b', 'l', 'o', 'x'} {
			if bindings[CommandChord{Symbol: symbol}] != "" {
				t.Fatalf("OCR claimed structural key %c", symbol)
			}
		}
		router := NewCommandRouter([]uint32{0xff63}, bindings)
		for _, test := range []struct {
			symbol    uint32
			modifiers uint16
			want      Command
		}{
			{leftKeySymbol, 0, OCRPreviousCharacter}, {rightKeySymbol, 1 | controlModifier, OCRNextWord},
			{downKeySymbol, 0, OCRNextLine}, {'a', controlModifier, OCRSelectAll},
			{'c', controlModifier, OCRCopySelection}, {0xff09, 1, OCRDismissAndPass}, {0xff1b, 0, OCRDismiss},
		} {
			consume, command := router.Handle(test.symbol, 42, test.modifiers, true)
			if !consume || command != test.want {
				t.Fatalf("chord got %v %s, want %s", consume, command, test.want)
			}
			consume, command = router.Handle(test.symbol, 42, test.modifiers, false)
			if !consume || command != "" {
				t.Fatal("lost held release")
			}
		}
		if layout == LaptopKeyboardLayout && bindings[CommandChord{Symbol: 'o', CthulhuModifier: true}] != ReviewNextLine {
			t.Fatal("laptop next line changed")
		}
	}
}