import { jsx as _jsx } from "react/jsx-runtime";
/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { act } from 'react';
import { render } from '../../test-utils/render.js';
import { waitFor } from '../../test-utils/async.js';
import { vi, describe, it, expect, beforeEach, afterEach, } from 'vitest';
const mockIsBinary = vi.hoisted(() => vi.fn());
const mockShellExecutionService = vi.hoisted(() => vi.fn());
vi.mock('@google/gemini-cli-core', async (importOriginal) => {
    const actual = await importOriginal();
    return {
        ...actual,
        ShellExecutionService: { execute: mockShellExecutionService },
        isBinary: mockIsBinary,
    };
});
vi.mock('node:fs');
vi.mock('node:os', async (importOriginal) => {
    const actual = await importOriginal();
    const mocked = {
        ...actual,
        homedir: vi.fn(() => '/home/user'),
        platform: vi.fn(() => 'linux'),
        tmpdir: vi.fn(() => '/tmp'),
    };
    return {
        ...mocked,
        default: mocked,
    };
});
vi.mock('node:crypto');
vi.mock('../utils/textUtils.js');
import { useShellCommandProcessor, OUTPUT_UPDATE_INTERVAL_MS, } from './shellCommandProcessor.js';
import {} from '@google/gemini-cli-core';
import * as fs from 'node:fs';
import * as os from 'node:os';
import * as path from 'node:path';
import * as crypto from 'node:crypto';
import { ToolCallStatus } from '../types.js';
describe('useShellCommandProcessor', () => {
    let addItemToHistoryMock;
    let setPendingHistoryItemMock;
    let onExecMock;
    let onDebugMessageMock;
    let mockConfig;
    let mockGeminiClient;
    let mockShellOutputCallback;
    let resolveExecutionPromise;
    let setShellInputFocusedMock;
    beforeEach(() => {
        vi.clearAllMocks();
        addItemToHistoryMock = vi.fn();
        setPendingHistoryItemMock = vi.fn();
        onExecMock = vi.fn();
        onDebugMessageMock = vi.fn();
        setShellInputFocusedMock = vi.fn();
        mockConfig = {
            getTargetDir: () => '/test/dir',
            getEnableInteractiveShell: () => false,
            getShellExecutionConfig: () => ({
                terminalHeight: 20,
                terminalWidth: 80,
            }),
        };
        mockGeminiClient = { addHistory: vi.fn() };
        vi.mocked(os.platform).mockReturnValue('linux');
        vi.mocked(os.tmpdir).mockReturnValue('/tmp');
        vi.mocked(crypto.randomBytes).mockReturnValue(Buffer.from('abcdef', 'hex'));
        mockIsBinary.mockReturnValue(false);
        vi.mocked(fs.existsSync).mockReturnValue(false);
        mockShellExecutionService.mockImplementation((_cmd, _cwd, callback) => {
            mockShellOutputCallback = callback;
            return Promise.resolve({
                pid: 12345,
                result: new Promise((resolve) => {
                    resolveExecutionPromise = resolve;
                }),
            });
        });
    });
    const renderProcessorHook = () => {
        let hookResult;
        function TestComponent() {
            hookResult = useShellCommandProcessor(addItemToHistoryMock, setPendingHistoryItemMock, onExecMock, onDebugMessageMock, mockConfig, mockGeminiClient, setShellInputFocusedMock);
            return null;
        }
        render(_jsx(TestComponent, {}));
        return {
            result: {
                get current() {
                    return hookResult;
                },
            },
        };
    };
    const createMockServiceResult = (overrides = {}) => ({
        rawOutput: Buffer.from(overrides.output || ''),
        output: 'Success',
        exitCode: 0,
        signal: null,
        error: null,
        aborted: false,
        pid: 12345,
        executionMethod: 'child_process',
        ...overrides,
    });
    it('should initiate command execution and set pending state', async () => {
        const { result } = renderProcessorHook();
        await act(async () => {
            result.current.handleShellCommand('ls -l', new AbortController().signal);
        });
        expect(addItemToHistoryMock).toHaveBeenCalledWith({ type: 'user_shell', text: 'ls -l' }, expect.any(Number));
        expect(setPendingHistoryItemMock).toHaveBeenCalledWith({
            type: 'tool_group',
            tools: [
                expect.objectContaining({
                    name: 'Shell Command',
                    status: ToolCallStatus.Executing,
                }),
            ],
        });
        const tmpFile = path.join(os.tmpdir(), 'shell_pwd_abcdef.tmp');
        const wrappedCommand = `{ ls -l; }; __code=$?; pwd > "${tmpFile}"; exit $__code`;
        expect(mockShellExecutionService).toHaveBeenCalledWith(wrappedCommand, '/test/dir', expect.any(Function), expect.any(Object), false, expect.any(Object));
        expect(onExecMock).toHaveBeenCalledWith(expect.any(Promise));
    });
    it('should handle successful execution and update history correctly', async () => {
        const { result } = renderProcessorHook();
        act(() => {
            result.current.handleShellCommand('echo "ok"', new AbortController().signal);
        });
        const execPromise = onExecMock.mock.calls[0][0];
        act(() => {
            resolveExecutionPromise(createMockServiceResult({ output: 'ok' }));
        });
        await act(async () => await execPromise);
        expect(setPendingHistoryItemMock).toHaveBeenCalledWith(null);
        expect(addItemToHistoryMock).toHaveBeenCalledTimes(2); // Initial + final
        expect(addItemToHistoryMock.mock.calls[1][0]).toEqual(expect.objectContaining({
            tools: [
                expect.objectContaining({
                    status: ToolCallStatus.Success,
                    resultDisplay: 'ok',
                }),
            ],
        }));
        expect(mockGeminiClient.addHistory).toHaveBeenCalled();
        expect(setShellInputFocusedMock).toHaveBeenCalledWith(false);
    });
    it('should handle command failure and display error status', async () => {
        const { result } = renderProcessorHook();
        act(() => {
            result.current.handleShellCommand('bad-cmd', new AbortController().signal);
        });
        const execPromise = onExecMock.mock.calls[0][0];
        act(() => {
            resolveExecutionPromise(createMockServiceResult({ exitCode: 127, output: 'not found' }));
        });
        await act(async () => await execPromise);
        const finalHistoryItem = addItemToHistoryMock.mock.calls[1][0];
        expect(finalHistoryItem.tools[0].status).toBe(ToolCallStatus.Error);
        expect(finalHistoryItem.tools[0].resultDisplay).toContain('Command exited with code 127');
        expect(finalHistoryItem.tools[0].resultDisplay).toContain('not found');
        expect(setShellInputFocusedMock).toHaveBeenCalledWith(false);
    });
    describe('UI Streaming and Throttling', () => {
        beforeEach(() => {
            vi.useFakeTimers({ toFake: ['Date'] });
        });
        afterEach(() => {
            vi.useRealTimers();
        });
        it('should update UI for text streams (non-interactive)', async () => {
            const { result } = renderProcessorHook();
            await act(async () => {
                result.current.handleShellCommand('stream', new AbortController().signal);
            });
            // Verify it's using the non-pty shell
            const wrappedCommand = `{ stream; }; __code=$?; pwd > "${path.join(os.tmpdir(), 'shell_pwd_abcdef.tmp')}"; exit $__code`;
            expect(mockShellExecutionService).toHaveBeenCalledWith(wrappedCommand, '/test/dir', expect.any(Function), expect.any(Object), false, // enableInteractiveShell
            expect.any(Object));
            // Wait for the async PID update to happen.
            // Call 1: Initial, Call 2: PID update
            await waitFor(() => {
                expect(setPendingHistoryItemMock).toHaveBeenCalledTimes(2);
            });
            // Get the state after the PID update to feed into the stream updaters
            const pidUpdateFn = setPendingHistoryItemMock.mock.calls[1][0];
            const initialState = setPendingHistoryItemMock.mock.calls[0][0];
            const stateAfterPid = pidUpdateFn(initialState);
            // Simulate first output chunk
            act(() => {
                mockShellOutputCallback({
                    type: 'data',
                    chunk: 'hello',
                });
            });
            // A UI update should have occurred.
            expect(setPendingHistoryItemMock).toHaveBeenCalledTimes(3);
            const streamUpdateFn1 = setPendingHistoryItemMock.mock.calls[2][0];
            const stateAfterStream1 = streamUpdateFn1(stateAfterPid);
            expect(stateAfterStream1.tools[0].resultDisplay).toBe('hello');
            // Simulate second output chunk
            act(() => {
                mockShellOutputCallback({
                    type: 'data',
                    chunk: ' world',
                });
            });
            // Another UI update should have occurred.
            expect(setPendingHistoryItemMock).toHaveBeenCalledTimes(4);
            const streamUpdateFn2 = setPendingHistoryItemMock.mock.calls[3][0];
            const stateAfterStream2 = streamUpdateFn2(stateAfterStream1);
            expect(stateAfterStream2.tools[0].resultDisplay).toBe('hello world');
        });
        it('should show binary progress messages correctly', async () => {
            const { result } = renderProcessorHook();
            act(() => {
                result.current.handleShellCommand('cat img', new AbortController().signal);
            });
            // Should immediately show the detection message
            act(() => {
                mockShellOutputCallback({ type: 'binary_detected' });
            });
            await act(async () => {
                await vi.advanceTimersByTimeAsync(OUTPUT_UPDATE_INTERVAL_MS + 1);
            });
            // Send another event to trigger the update
            act(() => {
                mockShellOutputCallback({ type: 'binary_progress', bytesReceived: 0 });
            });
            // The state update is functional, so we test it by executing it.
            const updaterFn1 = setPendingHistoryItemMock.mock.lastCall?.[0];
            if (!updaterFn1) {
                throw new Error('setPendingHistoryItem was not called');
            }
            const initialState = setPendingHistoryItemMock.mock.calls[0][0];
            const stateAfterBinaryDetected = updaterFn1(initialState);
            expect(stateAfterBinaryDetected).toEqual(expect.objectContaining({
                tools: [
                    expect.objectContaining({
                        resultDisplay: '[Binary output detected. Halting stream...]',
                    }),
                ],
            }));
            // Now test progress updates
            await act(async () => {
                await vi.advanceTimersByTimeAsync(OUTPUT_UPDATE_INTERVAL_MS + 1);
            });
            act(() => {
                mockShellOutputCallback({
                    type: 'binary_progress',
                    bytesReceived: 2048,
                });
            });
            const updaterFn2 = setPendingHistoryItemMock.mock.lastCall?.[0];
            if (!updaterFn2) {
                throw new Error('setPendingHistoryItem was not called');
            }
            const stateAfterProgress = updaterFn2(stateAfterBinaryDetected);
            expect(stateAfterProgress).toEqual(expect.objectContaining({
                tools: [
                    expect.objectContaining({
                        resultDisplay: '[Receiving binary output... 2.0 KB received]',
                    }),
                ],
            }));
        });
    });
    it('should not wrap the command on Windows', async () => {
        vi.mocked(os.platform).mockReturnValue('win32');
        const { result } = renderProcessorHook();
        await act(async () => {
            result.current.handleShellCommand('dir', new AbortController().signal);
        });
        expect(mockShellExecutionService).toHaveBeenCalledWith('dir', '/test/dir', expect.any(Function), expect.any(Object), false, expect.any(Object));
        await act(async () => {
            resolveExecutionPromise(createMockServiceResult());
        });
        await act(async () => await onExecMock.mock.calls[0][0]);
    });
    it('should handle command abort and display cancelled status', async () => {
        const { result } = renderProcessorHook();
        const abortController = new AbortController();
        act(() => {
            result.current.handleShellCommand('sleep 5', abortController.signal);
        });
        const execPromise = onExecMock.mock.calls[0][0];
        act(() => {
            abortController.abort();
            resolveExecutionPromise(createMockServiceResult({ aborted: true, output: 'Canceled' }));
        });
        await act(async () => await execPromise);
        // With the new logic, cancelled commands are not added to history by this hook
        // to avoid duplication/flickering, as they are handled by useGeminiStream.
        expect(addItemToHistoryMock).toHaveBeenCalledTimes(1);
        expect(setPendingHistoryItemMock).toHaveBeenCalledWith(null);
        expect(setShellInputFocusedMock).toHaveBeenCalledWith(false);
    });
    it('should handle binary output result correctly', async () => {
        const { result } = renderProcessorHook();
        const binaryBuffer = Buffer.from([0x89, 0x50, 0x4e, 0x47]);
        mockIsBinary.mockReturnValue(true);
        act(() => {
            result.current.handleShellCommand('cat image.png', new AbortController().signal);
        });
        const execPromise = onExecMock.mock.calls[0][0];
        act(() => {
            resolveExecutionPromise(createMockServiceResult({ rawOutput: binaryBuffer }));
        });
        await act(async () => await execPromise);
        const finalHistoryItem = addItemToHistoryMock.mock.calls[1][0];
        expect(finalHistoryItem.tools[0].status).toBe(ToolCallStatus.Success);
        expect(finalHistoryItem.tools[0].resultDisplay).toBe('[Command produced binary output, which is not shown.]');
    });
    it('should handle promise rejection and show an error', async () => {
        const { result } = renderProcessorHook();
        const testError = new Error('Unexpected failure');
        mockShellExecutionService.mockImplementation(() => ({
            pid: 12345,
            result: Promise.reject(testError),
        }));
        act(() => {
            result.current.handleShellCommand('a-command', new AbortController().signal);
        });
        const execPromise = onExecMock.mock.calls[0][0];
        await act(async () => await execPromise);
        expect(setPendingHistoryItemMock).toHaveBeenCalledWith(null);
        expect(addItemToHistoryMock).toHaveBeenCalledTimes(2);
        expect(addItemToHistoryMock.mock.calls[1][0]).toEqual({
            type: 'error',
            text: 'An unexpected error occurred: Unexpected failure',
        });
        expect(setShellInputFocusedMock).toHaveBeenCalledWith(false);
    });
    it('should handle synchronous errors during execution and clean up resources', async () => {
        const testError = new Error('Synchronous spawn error');
        mockShellExecutionService.mockImplementation(() => {
            throw testError;
        });
        // Mock that the temp file was created before the error was thrown
        vi.mocked(fs.existsSync).mockReturnValue(true);
        const { result } = renderProcessorHook();
        act(() => {
            result.current.handleShellCommand('a-command', new AbortController().signal);
        });
        const execPromise = onExecMock.mock.calls[0][0];
        await act(async () => await execPromise);
        expect(setPendingHistoryItemMock).toHaveBeenCalledWith(null);
        expect(addItemToHistoryMock).toHaveBeenCalledTimes(2);
        expect(addItemToHistoryMock.mock.calls[1][0]).toEqual({
            type: 'error',
            text: 'An unexpected error occurred: Synchronous spawn error',
        });
        const tmpFile = path.join(os.tmpdir(), 'shell_pwd_abcdef.tmp');
        // Verify that the temporary file was cleaned up
        expect(vi.mocked(fs.unlinkSync)).toHaveBeenCalledWith(tmpFile);
        expect(setShellInputFocusedMock).toHaveBeenCalledWith(false);
    });
    describe('Directory Change Warning', () => {
        it('should show a warning if the working directory changes', async () => {
            const tmpFile = path.join(os.tmpdir(), 'shell_pwd_abcdef.tmp');
            vi.mocked(fs.existsSync).mockReturnValue(true);
            vi.mocked(fs.readFileSync).mockReturnValue('/test/dir/new'); // A different directory
            const { result } = renderProcessorHook();
            act(() => {
                result.current.handleShellCommand('cd new', new AbortController().signal);
            });
            const execPromise = onExecMock.mock.calls[0][0];
            act(() => {
                resolveExecutionPromise(createMockServiceResult());
            });
            await act(async () => await execPromise);
            const finalHistoryItem = addItemToHistoryMock.mock.calls[1][0];
            expect(finalHistoryItem.tools[0].resultDisplay).toContain("WARNING: shell mode is stateless; the directory change to '/test/dir/new' will not persist.");
            expect(vi.mocked(fs.unlinkSync)).toHaveBeenCalledWith(tmpFile);
        });
        it('should NOT show a warning if the directory does not change', async () => {
            vi.mocked(fs.existsSync).mockReturnValue(true);
            vi.mocked(fs.readFileSync).mockReturnValue('/test/dir'); // The same directory
            const { result } = renderProcessorHook();
            act(() => {
                result.current.handleShellCommand('ls', new AbortController().signal);
            });
            const execPromise = onExecMock.mock.calls[0][0];
            act(() => {
                resolveExecutionPromise(createMockServiceResult());
            });
            await act(async () => await execPromise);
            const finalHistoryItem = addItemToHistoryMock.mock.calls[1][0];
            expect(finalHistoryItem.tools[0].resultDisplay).not.toContain('WARNING');
        });
    });
    describe('ActiveShellPtyId management', () => {
        beforeEach(() => {
            // The real service returns a promise that resolves with the pid and result promise
            mockShellExecutionService.mockImplementation((_cmd, _cwd, callback) => {
                mockShellOutputCallback = callback;
                return Promise.resolve({
                    pid: 12345,
                    result: new Promise((resolve) => {
                        resolveExecutionPromise = resolve;
                    }),
                });
            });
        });
        it('should have activeShellPtyId as null initially', () => {
            const { result } = renderProcessorHook();
            expect(result.current.activeShellPtyId).toBeNull();
        });
        it('should set activeShellPtyId when a command with a PID starts', async () => {
            const { result } = renderProcessorHook();
            await act(async () => {
                result.current.handleShellCommand('ls', new AbortController().signal);
            });
            expect(result.current.activeShellPtyId).toBe(12345);
        });
        it('should update the pending history item with the ptyId', async () => {
            const { result } = renderProcessorHook();
            await act(async () => {
                result.current.handleShellCommand('ls', new AbortController().signal);
            });
            await waitFor(() => {
                // Wait for the second call which is the functional update
                expect(setPendingHistoryItemMock).toHaveBeenCalledTimes(2);
            });
            // The state update is functional, so we test it by executing it.
            const updaterFn = setPendingHistoryItemMock.mock.lastCall?.[0];
            expect(typeof updaterFn).toBe('function');
            // The initial state is the first call to setPendingHistoryItem
            const initialState = setPendingHistoryItemMock.mock.calls[0][0];
            const stateAfterPid = updaterFn(initialState);
            expect(stateAfterPid.tools[0].ptyId).toBe(12345);
        });
        it('should reset activeShellPtyId to null after successful execution', async () => {
            const { result } = renderProcessorHook();
            await act(async () => {
                result.current.handleShellCommand('ls', new AbortController().signal);
            });
            const execPromise = onExecMock.mock.calls[0][0];
            expect(result.current.activeShellPtyId).toBe(12345);
            await act(async () => {
                resolveExecutionPromise(createMockServiceResult());
            });
            await act(async () => await execPromise);
            expect(result.current.activeShellPtyId).toBeNull();
        });
        it('should reset activeShellPtyId to null after failed execution', async () => {
            const { result } = renderProcessorHook();
            await act(async () => {
                result.current.handleShellCommand('bad-cmd', new AbortController().signal);
            });
            const execPromise = onExecMock.mock.calls[0][0];
            expect(result.current.activeShellPtyId).toBe(12345);
            await act(async () => {
                resolveExecutionPromise(createMockServiceResult({ exitCode: 1 }));
            });
            await act(async () => await execPromise);
            expect(result.current.activeShellPtyId).toBeNull();
        });
        it('should reset activeShellPtyId to null if execution promise rejects', async () => {
            let rejectResultPromise;
            mockShellExecutionService.mockImplementation(() => Promise.resolve({
                pid: 12345,
                result: new Promise((_, reject) => {
                    rejectResultPromise = reject;
                }),
            }));
            const { result } = renderProcessorHook();
            await act(async () => {
                result.current.handleShellCommand('cmd', new AbortController().signal);
            });
            const execPromise = onExecMock.mock.calls[0][0];
            expect(result.current.activeShellPtyId).toBe(12345);
            await act(async () => {
                rejectResultPromise(new Error('Failure'));
            });
            await act(async () => await execPromise);
            expect(result.current.activeShellPtyId).toBeNull();
        });
        it('should not set activeShellPtyId on synchronous execution error and should remain null', async () => {
            mockShellExecutionService.mockImplementation(() => {
                throw new Error('Sync Error');
            });
            const { result } = renderProcessorHook();
            expect(result.current.activeShellPtyId).toBeNull(); // Pre-condition
            act(() => {
                result.current.handleShellCommand('cmd', new AbortController().signal);
            });
            const execPromise = onExecMock.mock.calls[0][0];
            // The hook's state should not have changed to a PID
            expect(result.current.activeShellPtyId).toBeNull();
            await act(async () => await execPromise); // Let the promise resolve
            // And it should still be null after everything is done
            expect(result.current.activeShellPtyId).toBeNull();
        });
        it('should not set activeShellPtyId if service does not return a PID', async () => {
            mockShellExecutionService.mockImplementation((_cmd, _cwd, callback) => {
                mockShellOutputCallback = callback;
                return Promise.resolve({
                    pid: undefined, // No PID
                    result: new Promise((resolve) => {
                        resolveExecutionPromise = resolve;
                    }),
                });
            });
            const { result } = renderProcessorHook();
            act(() => {
                result.current.handleShellCommand('ls', new AbortController().signal);
            });
            // Let microtasks run
            await act(async () => { });
            expect(result.current.activeShellPtyId).toBeNull();
        });
    });
});
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