import { jsx as _jsx } from "react/jsx-runtime";
/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { debugLogger } from '@google/gemini-cli-core';
import { act } from 'react';
import { renderHook } from '../../test-utils/render.js';
import { waitFor } from '../../test-utils/async.js';
import { vi, afterAll, beforeAll } from 'vitest';
import { KeypressProvider, useKeypressContext, ESC_TIMEOUT, } from './KeypressContext.js';
import { useStdin } from 'ink';
import { EventEmitter } from 'node:events';
// Mock the 'ink' module to control stdin
vi.mock('ink', async (importOriginal) => {
    const original = await importOriginal();
    return {
        ...original,
        useStdin: vi.fn(),
    };
});
const PASTE_START = '\x1B[200~';
const PASTE_END = '\x1B[201~';
// readline will not emit most incomplete kitty sequences but it will give
// up on sequences like this where the modifier (135) has more than two digits.
const INCOMPLETE_KITTY_SEQUENCE = '\x1b[97;135';
class MockStdin extends EventEmitter {
    isTTY = true;
    setRawMode = vi.fn();
    on = this.addListener;
    removeListener = super.removeListener;
    resume = vi.fn();
    pause = vi.fn();
    write(text) {
        this.emit('data', text);
    }
}
// Helper function to setup keypress test with standard configuration
const setupKeypressTest = () => {
    const keyHandler = vi.fn();
    const wrapper = ({ children }) => (_jsx(KeypressProvider, { children: children }));
    const { result } = renderHook(() => useKeypressContext(), { wrapper });
    act(() => result.current.subscribe(keyHandler));
    return { result, keyHandler };
};
describe('KeypressContext', () => {
    let stdin;
    const mockSetRawMode = vi.fn();
    const wrapper = ({ children }) => (_jsx(KeypressProvider, { children: children }));
    beforeAll(() => vi.useFakeTimers());
    afterAll(() => vi.useRealTimers());
    beforeEach(() => {
        vi.clearAllMocks();
        stdin = new MockStdin();
        useStdin.mockReturnValue({
            stdin,
            setRawMode: mockSetRawMode,
        });
    });
    describe('Enter key handling', () => {
        it.each([
            {
                name: 'regular enter key (keycode 13)',
                sequence: '\x1b[13u',
            },
            {
                name: 'numpad enter key (keycode 57414)',
                sequence: '\x1b[57414u',
            },
        ])('should recognize $name in kitty protocol', async ({ sequence }) => {
            const { keyHandler } = setupKeypressTest();
            act(() => stdin.write(sequence));
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                name: 'return',
                ctrl: false,
                meta: false,
                shift: false,
            }));
        });
        it('should handle backslash return', async () => {
            const { keyHandler } = setupKeypressTest();
            act(() => stdin.write('\\\r'));
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                name: 'return',
                ctrl: false,
                meta: false,
                shift: true,
            }));
        });
        it.each([
            {
                modifier: 'Shift',
                sequence: '\x1b[57414;2u',
                expected: { ctrl: false, meta: false, shift: true },
            },
            {
                modifier: 'Ctrl',
                sequence: '\x1b[57414;5u',
                expected: { ctrl: true, meta: false, shift: false },
            },
            {
                modifier: 'Alt',
                sequence: '\x1b[57414;3u',
                expected: { ctrl: false, meta: true, shift: false },
            },
        ])('should handle numpad enter with $modifier modifier', async ({ sequence, expected }) => {
            const { keyHandler } = setupKeypressTest();
            act(() => stdin.write(sequence));
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                name: 'return',
                ...expected,
            }));
        });
    });
    describe('Escape key handling', () => {
        it('should recognize escape key (keycode 27) in kitty protocol', async () => {
            const { keyHandler } = setupKeypressTest();
            // Send kitty protocol sequence for escape: ESC[27u
            act(() => {
                stdin.write('\x1b[27u');
            });
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                name: 'escape',
            }));
        });
        it('should handle double Escape', async () => {
            const keyHandler = vi.fn();
            const wrapper = ({ children }) => (_jsx(KeypressProvider, { children: children }));
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            act(() => {
                stdin.write('\x1b');
                vi.advanceTimersByTime(10);
                stdin.write('\x1b');
                expect(keyHandler).not.toHaveBeenCalled();
                vi.advanceTimersByTime(ESC_TIMEOUT);
                expect(keyHandler).toHaveBeenNthCalledWith(1, expect.objectContaining({ name: 'escape', meta: true }));
                expect(keyHandler).toHaveBeenNthCalledWith(2, expect.objectContaining({ name: 'escape', meta: true }));
            });
        });
        it('should handle lone Escape key (keycode 27) with timeout when kitty protocol is enabled', async () => {
            // Use real timers for this test to avoid issues with stream/buffer timing
            const keyHandler = vi.fn();
            const wrapper = ({ children }) => (_jsx(KeypressProvider, { children: children }));
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            // Send just ESC
            act(() => {
                stdin.write('\x1b');
                // Should be buffered initially
                expect(keyHandler).not.toHaveBeenCalled();
                vi.advanceTimersByTime(ESC_TIMEOUT + 10);
                expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                    name: 'escape',
                    meta: true,
                }));
            });
        });
    });
    describe('Tab and Backspace handling', () => {
        it.each([
            {
                name: 'Tab key',
                sequence: '\x1b[9u',
                expected: { name: 'tab', shift: false },
            },
            {
                name: 'Shift+Tab',
                sequence: '\x1b[9;2u',
                expected: { name: 'tab', shift: true },
            },
            {
                name: 'Backspace',
                sequence: '\x1b[127u',
                expected: { name: 'backspace', meta: false },
            },
            {
                name: 'Option+Backspace',
                sequence: '\x1b[127;3u',
                expected: { name: 'backspace', meta: true },
            },
            {
                name: 'Ctrl+Backspace',
                sequence: '\x1b[127;5u',
                expected: { name: 'backspace', ctrl: true },
            },
        ])('should recognize $name in kitty protocol', async ({ sequence, expected }) => {
            const { keyHandler } = setupKeypressTest();
            act(() => {
                stdin.write(sequence);
            });
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                ...expected,
            }));
        });
    });
    describe('paste mode', () => {
        it.each([
            {
                name: 'handle multiline paste as a single event',
                pastedText: 'This \n is \n a \n multiline \n paste.',
                writeSequence: (text) => {
                    stdin.write(PASTE_START);
                    stdin.write(text);
                    stdin.write(PASTE_END);
                },
            },
            {
                name: 'handle paste start code split over multiple writes',
                pastedText: 'pasted content',
                writeSequence: (text) => {
                    stdin.write(PASTE_START.slice(0, 3));
                    stdin.write(PASTE_START.slice(3));
                    stdin.write(text);
                    stdin.write(PASTE_END);
                },
            },
            {
                name: 'handle paste end code split over multiple writes',
                pastedText: 'pasted content',
                writeSequence: (text) => {
                    stdin.write(PASTE_START);
                    stdin.write(text);
                    stdin.write(PASTE_END.slice(0, 3));
                    stdin.write(PASTE_END.slice(3));
                },
            },
        ])('should $name', async ({ pastedText, writeSequence }) => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            act(() => writeSequence(pastedText));
            await waitFor(() => {
                expect(keyHandler).toHaveBeenCalledTimes(1);
            });
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                paste: true,
                sequence: pastedText,
            }));
        });
        it('should parse valid OSC 52 response', async () => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            const base64Data = Buffer.from('Hello OSC 52').toString('base64');
            const sequence = `\x1b]52;c;${base64Data}\x07`;
            act(() => stdin.write(sequence));
            await waitFor(() => {
                expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                    name: 'paste',
                    paste: true,
                    sequence: 'Hello OSC 52',
                }));
            });
        });
        it('should handle split OSC 52 response', async () => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            const base64Data = Buffer.from('Split Paste').toString('base64');
            const sequence = `\x1b]52;c;${base64Data}\x07`;
            // Split the sequence
            const part1 = sequence.slice(0, 5);
            const part2 = sequence.slice(5);
            act(() => stdin.write(part1));
            act(() => stdin.write(part2));
            await waitFor(() => {
                expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                    name: 'paste',
                    paste: true,
                    sequence: 'Split Paste',
                }));
            });
        });
        it('should handle OSC 52 response terminated by ESC \\', async () => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            const base64Data = Buffer.from('Terminated by ST').toString('base64');
            const sequence = `\x1b]52;c;${base64Data}\x1b\\`;
            act(() => stdin.write(sequence));
            await waitFor(() => {
                expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                    name: 'paste',
                    paste: true,
                    sequence: 'Terminated by ST',
                }));
            });
        });
        it('should ignore unknown OSC sequences', async () => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            const sequence = `\x1b]1337;File=name=Zm9vCg==\x07`;
            act(() => stdin.write(sequence));
            await act(async () => {
                vi.advanceTimersByTime(0);
            });
            expect(keyHandler).not.toHaveBeenCalled();
        });
        it('should ignore invalid OSC 52 format', async () => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            const sequence = `\x1b]52;x;notbase64\x07`;
            act(() => stdin.write(sequence));
            await act(async () => {
                vi.advanceTimersByTime(0);
            });
            expect(keyHandler).not.toHaveBeenCalled();
        });
    });
    describe('debug keystroke logging', () => {
        let debugLoggerSpy;
        beforeEach(() => {
            debugLoggerSpy = vi
                .spyOn(debugLogger, 'log')
                .mockImplementation(() => { });
        });
        afterEach(() => {
            debugLoggerSpy.mockRestore();
        });
        it('should not log keystrokes when debugKeystrokeLogging is false', async () => {
            const keyHandler = vi.fn();
            const wrapper = ({ children }) => (_jsx(KeypressProvider, { debugKeystrokeLogging: false, children: children }));
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            // Send a kitty sequence
            act(() => {
                stdin.write('\x1b[27u');
            });
            expect(keyHandler).toHaveBeenCalled();
            expect(debugLoggerSpy).not.toHaveBeenCalledWith(expect.stringContaining('[DEBUG] Kitty'));
        });
        it('should log kitty buffer accumulation when debugKeystrokeLogging is true', async () => {
            const keyHandler = vi.fn();
            const wrapper = ({ children }) => (_jsx(KeypressProvider, { debugKeystrokeLogging: true, children: children }));
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            // Send a complete kitty sequence for escape
            act(() => stdin.write('\x1b[27u'));
            expect(debugLoggerSpy).toHaveBeenCalledWith(`[DEBUG] Raw StdIn: ${JSON.stringify('\x1b[27u')}`);
        });
        it('should show char codes when debugKeystrokeLogging is true even without debug mode', async () => {
            const keyHandler = vi.fn();
            const wrapper = ({ children }) => (_jsx(KeypressProvider, { debugKeystrokeLogging: true, children: children }));
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            // Send incomplete kitty sequence
            act(() => stdin.write(INCOMPLETE_KITTY_SEQUENCE));
            // Verify debug logging for accumulation
            expect(debugLoggerSpy).toHaveBeenCalledWith(`[DEBUG] Raw StdIn: ${JSON.stringify(INCOMPLETE_KITTY_SEQUENCE)}`);
        });
    });
    describe('Parameterized functional keys', () => {
        it.each([
            // ModifyOtherKeys
            { sequence: `\x1b[27;2;13~`, expected: { name: 'return', shift: true } },
            { sequence: `\x1b[27;5;13~`, expected: { name: 'return', ctrl: true } },
            { sequence: `\x1b[27;5;9~`, expected: { name: 'tab', ctrl: true } },
            {
                sequence: `\x1b[27;6;9~`,
                expected: { name: 'tab', ctrl: true, shift: true },
            },
            // XTerm Function Key
            { sequence: `\x1b[1;129A`, expected: { name: 'up' } },
            { sequence: `\x1b[1;2H`, expected: { name: 'home', shift: true } },
            { sequence: `\x1b[1;5F`, expected: { name: 'end', ctrl: true } },
            { sequence: `\x1b[1;1P`, expected: { name: 'f1' } },
            { sequence: `\x1b[1;3Q`, expected: { name: 'f2', meta: true } },
            // Tilde Function Keys
            { sequence: `\x1b[3~`, expected: { name: 'delete' } },
            { sequence: `\x1b[5~`, expected: { name: 'pageup' } },
            { sequence: `\x1b[6~`, expected: { name: 'pagedown' } },
            { sequence: `\x1b[1~`, expected: { name: 'home' } },
            { sequence: `\x1b[4~`, expected: { name: 'end' } },
            { sequence: `\x1b[2~`, expected: { name: 'insert' } },
            { sequence: `\x1b[11~`, expected: { name: 'f1' } },
            { sequence: `\x1b[17~`, expected: { name: 'f6' } },
            { sequence: `\x1b[23~`, expected: { name: 'f11' } },
            { sequence: `\x1b[24~`, expected: { name: 'f12' } },
            // Reverse tabs
            { sequence: `\x1b[Z`, expected: { name: 'tab', shift: true } },
            { sequence: `\x1b[1;2Z`, expected: { name: 'tab', shift: true } },
            // Legacy Arrows
            {
                sequence: `\x1b[A`,
                expected: { name: 'up', ctrl: false, meta: false, shift: false },
            },
            {
                sequence: `\x1b[B`,
                expected: { name: 'down', ctrl: false, meta: false, shift: false },
            },
            {
                sequence: `\x1b[C`,
                expected: { name: 'right', ctrl: false, meta: false, shift: false },
            },
            {
                sequence: `\x1b[D`,
                expected: { name: 'left', ctrl: false, meta: false, shift: false },
            },
            // Legacy Home/End
            {
                sequence: `\x1b[H`,
                expected: { name: 'home', ctrl: false, meta: false, shift: false },
            },
            {
                sequence: `\x1b[F`,
                expected: { name: 'end', ctrl: false, meta: false, shift: false },
            },
            {
                sequence: `\x1b[5H`,
                expected: { name: 'home', ctrl: true, meta: false, shift: false },
            },
        ])('should recognize sequence "$sequence" as $expected.name', ({ sequence, expected }) => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            act(() => stdin.write(sequence));
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining(expected));
        });
    });
    describe('Double-tap and batching', () => {
        it('should emit two delete events for double-tap CSI[3~', async () => {
            const { keyHandler } = setupKeypressTest();
            act(() => stdin.write(`\x1b[3~`));
            act(() => stdin.write(`\x1b[3~`));
            expect(keyHandler).toHaveBeenNthCalledWith(1, expect.objectContaining({ name: 'delete' }));
            expect(keyHandler).toHaveBeenNthCalledWith(2, expect.objectContaining({ name: 'delete' }));
        });
        it('should parse two concatenated tilde-coded sequences in one chunk', async () => {
            const { keyHandler } = setupKeypressTest();
            act(() => stdin.write(`\x1b[3~\x1b[5~`));
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({ name: 'delete' }));
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({ name: 'pageup' }));
        });
    });
    describe('Cross-terminal Alt key handling (simulating macOS)', () => {
        let originalPlatform;
        beforeEach(() => {
            originalPlatform = process.platform;
            Object.defineProperty(process, 'platform', {
                value: 'darwin',
                configurable: true,
            });
        });
        afterEach(() => {
            Object.defineProperty(process, 'platform', {
                value: originalPlatform,
                configurable: true,
            });
        });
        // Terminals to test
        const terminals = ['iTerm2', 'Ghostty', 'MacTerminal', 'VSCodeTerminal'];
        // Key mappings: letter -> [keycode, accented character]
        const keys = {
            b: [98, '\u222B'],
            f: [102, '\u0192'],
            m: [109, '\u00B5'],
        };
        it.each(terminals.flatMap((terminal) => Object.entries(keys).map(([key, [keycode, accentedChar]]) => {
            if (terminal === 'Ghostty') {
                // Ghostty uses kitty protocol sequences
                return {
                    terminal,
                    key,
                    chunk: `\x1b[${keycode};3u`,
                    expected: {
                        name: key,
                        ctrl: false,
                        meta: true,
                        shift: false,
                        paste: false,
                    },
                };
            }
            else if (terminal === 'MacTerminal') {
                // Mac Terminal sends ESC + letter
                return {
                    terminal,
                    key,
                    kitty: false,
                    chunk: `\x1b${key}`,
                    expected: {
                        sequence: `\x1b${key}`,
                        name: key,
                        ctrl: false,
                        meta: true,
                        shift: false,
                        paste: false,
                    },
                };
            }
            else {
                // iTerm2 and VSCode send accented characters (å, ø, µ)
                // Note: µ (mu) is sent with meta:false on iTerm2/VSCode but
                // gets converted to m with meta:true
                return {
                    terminal,
                    key,
                    chunk: accentedChar,
                    expected: {
                        name: key,
                        ctrl: false,
                        meta: true, // Always expect meta:true after conversion
                        shift: false,
                        paste: false,
                        sequence: accentedChar,
                    },
                };
            }
        })))('should handle Alt+$key in $terminal', ({ chunk, expected }) => {
            const keyHandler = vi.fn();
            const testWrapper = ({ children }) => (_jsx(KeypressProvider, { children: children }));
            const { result } = renderHook(() => useKeypressContext(), {
                wrapper: testWrapper,
            });
            act(() => result.current.subscribe(keyHandler));
            act(() => stdin.write(chunk));
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining(expected));
        });
    });
    describe('Backslash key handling', () => {
        it('should treat backslash as a regular keystroke', () => {
            const { keyHandler } = setupKeypressTest();
            act(() => stdin.write('\\'));
            // Advance timers to trigger the backslash timeout
            act(() => {
                vi.runAllTimers();
            });
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                sequence: '\\',
                meta: false,
            }));
        });
    });
    it('should timeout and flush incomplete kitty sequences after 50ms', async () => {
        const keyHandler = vi.fn();
        const { result } = renderHook(() => useKeypressContext(), { wrapper });
        act(() => result.current.subscribe(keyHandler));
        act(() => stdin.write(INCOMPLETE_KITTY_SEQUENCE));
        // Should not broadcast immediately
        expect(keyHandler).not.toHaveBeenCalled();
        // Advance time just before timeout
        // eslint-disable-next-line @typescript-eslint/no-floating-promises
        act(() => vi.advanceTimersByTime(ESC_TIMEOUT - 5));
        // Still shouldn't broadcast
        expect(keyHandler).not.toHaveBeenCalled();
        // Advance past timeout
        // eslint-disable-next-line @typescript-eslint/no-floating-promises
        act(() => vi.advanceTimersByTime(10));
        // Should now broadcast the incomplete sequence as regular input
        expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
            name: 'undefined',
            sequence: INCOMPLETE_KITTY_SEQUENCE,
            paste: false,
        }));
    });
    it('should immediately flush non-kitty CSI sequences', async () => {
        const keyHandler = vi.fn();
        const { result } = renderHook(() => useKeypressContext(), { wrapper });
        act(() => result.current.subscribe(keyHandler));
        // Send a CSI sequence that doesn't match kitty patterns
        // ESC[m is SGR reset, not a kitty sequence
        act(() => stdin.write('\x1b[m'));
        // Should broadcast immediately as it's not a valid kitty pattern
        expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
            sequence: '\x1b[m',
            paste: false,
        }));
    });
    it('should parse valid kitty sequences immediately when complete', async () => {
        const keyHandler = vi.fn();
        const { result } = renderHook(() => useKeypressContext(), { wrapper });
        act(() => result.current.subscribe(keyHandler));
        // Send complete kitty sequence for Ctrl+A
        act(() => stdin.write('\x1b[97;5u'));
        // Should parse and broadcast immediately
        expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
            name: 'a',
            ctrl: true,
        }));
    });
    it('should handle batched kitty sequences correctly', async () => {
        const keyHandler = vi.fn();
        const { result } = renderHook(() => useKeypressContext(), { wrapper });
        act(() => result.current.subscribe(keyHandler));
        // Send Ctrl+a followed by Ctrl+b
        act(() => stdin.write('\x1b[97;5u\x1b[98;5u'));
        // Should parse both sequences
        expect(keyHandler).toHaveBeenCalledTimes(2);
        expect(keyHandler).toHaveBeenNthCalledWith(1, expect.objectContaining({
            name: 'a',
            ctrl: true,
        }));
        expect(keyHandler).toHaveBeenNthCalledWith(2, expect.objectContaining({
            name: 'b',
            ctrl: true,
        }));
    });
    it('should handle mixed valid and invalid sequences', async () => {
        const keyHandler = vi.fn();
        const { result } = renderHook(() => useKeypressContext(), { wrapper });
        act(() => result.current.subscribe(keyHandler));
        // Send valid kitty sequence followed by invalid CSI
        // Valid enter, then invalid sequence
        act(() => stdin.write('\x1b[13u\x1b[!'));
        // Should parse valid sequence and flush invalid immediately
        expect(keyHandler).toHaveBeenCalledTimes(2);
        expect(keyHandler).toHaveBeenNthCalledWith(1, expect.objectContaining({
            name: 'return',
        }));
        expect(keyHandler).toHaveBeenNthCalledWith(2, expect.objectContaining({
            sequence: '\x1b[!',
        }));
    });
    it.each([1, ESC_TIMEOUT - 1])('should handle sequences arriving character by character with %s ms delay', async (delay) => {
        const keyHandler = vi.fn();
        const { result } = renderHook(() => useKeypressContext(), { wrapper });
        act(() => result.current.subscribe(keyHandler));
        // Send kitty sequence character by character
        for (const char of '\x1b[27u') {
            act(() => stdin.write(char));
            // Advance time but not enough to timeout
            vi.advanceTimersByTime(delay);
        }
        // Should parse once complete
        await waitFor(() => {
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                name: 'escape',
            }));
        });
    });
    it('should reset timeout when new input arrives', async () => {
        const keyHandler = vi.fn();
        const { result } = renderHook(() => useKeypressContext(), { wrapper });
        act(() => result.current.subscribe(keyHandler));
        // Start incomplete sequence
        act(() => stdin.write('\x1b[97;13'));
        // Advance time partway
        // eslint-disable-next-line @typescript-eslint/no-floating-promises
        act(() => vi.advanceTimersByTime(30));
        // Add more to sequence
        act(() => stdin.write('5'));
        // Advance time from the first timeout point
        // eslint-disable-next-line @typescript-eslint/no-floating-promises
        act(() => vi.advanceTimersByTime(25));
        // Should not have timed out yet (timeout restarted)
        expect(keyHandler).not.toHaveBeenCalled();
        // Complete the sequence
        act(() => stdin.write('u'));
        // Should now parse as complete enter key
        expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
            name: 'a',
        }));
    });
    describe('SGR Mouse Handling', () => {
        it('should ignore SGR mouse sequences', async () => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            // Send various SGR mouse sequences
            act(() => {
                stdin.write('\x1b[<0;10;20M'); // Mouse press
                stdin.write('\x1b[<0;10;20m'); // Mouse release
                stdin.write('\x1b[<32;30;40M'); // Mouse drag
                stdin.write('\x1b[<64;5;5M'); // Scroll up
            });
            // Should not broadcast any of these as keystrokes
            expect(keyHandler).not.toHaveBeenCalled();
        });
        it('should handle mixed SGR mouse and key sequences', async () => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            // Send mouse event then a key press
            act(() => {
                stdin.write('\x1b[<0;10;20M');
                stdin.write('a');
            });
            // Should only broadcast 'a'
            expect(keyHandler).toHaveBeenCalledTimes(1);
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({
                name: 'a',
                sequence: 'a',
            }));
        });
        it('should ignore X11 mouse sequences', async () => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            // Send X11 mouse sequence: ESC [ M followed by 3 bytes
            // Space is 32. 32+0=32 (button 0), 32+33=65 ('A', col 33), 32+34=66 ('B', row 34)
            const x11Seq = '\x1b[M AB';
            act(() => stdin.write(x11Seq));
            // Should not broadcast as keystrokes
            expect(keyHandler).not.toHaveBeenCalled();
        });
        it('should not flush slow SGR mouse sequences as garbage', async () => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            // Send start of SGR sequence
            act(() => stdin.write('\x1b[<'));
            // Advance time past the normal kitty timeout (50ms)
            // eslint-disable-next-line @typescript-eslint/no-floating-promises
            act(() => vi.advanceTimersByTime(ESC_TIMEOUT + 10));
            // Send the rest
            act(() => stdin.write('0;37;25M'));
            // Should NOT have flushed the prefix as garbage, and should have consumed the whole thing
            expect(keyHandler).not.toHaveBeenCalled();
        });
        it('should ignore specific SGR mouse sequence sandwiched between keystrokes', async () => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            act(() => {
                stdin.write('H');
                stdin.write('\x1b[<64;96;8M');
                stdin.write('I');
            });
            expect(keyHandler).toHaveBeenCalledTimes(2);
            expect(keyHandler).toHaveBeenNthCalledWith(1, expect.objectContaining({ name: 'h', sequence: 'H', shift: true }));
            expect(keyHandler).toHaveBeenNthCalledWith(2, expect.objectContaining({ name: 'i', sequence: 'I', shift: true }));
        });
    });
    describe('Ignored Sequences', () => {
        it.each([
            { name: 'Focus In', sequence: '\x1b[I' },
            { name: 'Focus Out', sequence: '\x1b[O' },
            { name: 'SGR Mouse Release', sequence: '\u001b[<0;44;18m' },
            { name: 'something mouse', sequence: '\u001b[<0;53;19M' },
            { name: 'another mouse', sequence: '\u001b[<0;29;19m' },
        ])('should ignore $name sequence', async ({ sequence }) => {
            const keyHandler = vi.fn();
            const wrapper = ({ children }) => (_jsx(KeypressProvider, { children: children }));
            const { result } = renderHook(() => useKeypressContext(), {
                wrapper,
            });
            act(() => result.current.subscribe(keyHandler));
            for (const char of sequence) {
                act(() => stdin.write(char));
                // eslint-disable-next-line @typescript-eslint/no-floating-promises
                act(() => vi.advanceTimersByTime(0));
            }
            act(() => stdin.write('HI'));
            expect(keyHandler).toHaveBeenCalledTimes(2);
            expect(keyHandler).toHaveBeenNthCalledWith(1, expect.objectContaining({ name: 'h', sequence: 'H', shift: true }));
            expect(keyHandler).toHaveBeenNthCalledWith(2, expect.objectContaining({ name: 'i', sequence: 'I', shift: true }));
        });
        it('should handle F12', async () => {
            const keyHandler = vi.fn();
            const wrapper = ({ children }) => (_jsx(KeypressProvider, { children: children }));
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            act(() => {
                stdin.write('\u001b[24~');
            });
            expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({ name: 'f12', sequence: '\u001b[24~' }));
        });
    });
    describe('Individual Character Input', () => {
        it.each([
            'abc', // ASCII character
            '你好', // Chinese characters
            'こんにちは', // Japanese characters
            '안녕하세요', // Korean characters
            'A你B好C', // Mixed characters
        ])('should correctly handle string "%s"', async (inputString) => {
            const keyHandler = vi.fn();
            const { result } = renderHook(() => useKeypressContext(), { wrapper });
            act(() => result.current.subscribe(keyHandler));
            act(() => stdin.write(inputString));
            expect(keyHandler).toHaveBeenCalledTimes(inputString.length);
            for (const char of inputString) {
                expect(keyHandler).toHaveBeenCalledWith(expect.objectContaining({ sequence: char }));
            }
        });
    });
});
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