/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { GlobTool, sortFileEntries } from './glob.js';
import { partListUnionToString } from '../core/geminiRequest.js';
import path from 'node:path';
import fs from 'node:fs/promises';
import os from 'node:os';
import { describe, it, expect, beforeEach, afterEach, vi } from 'vitest';
import { FileDiscoveryService } from '../services/fileDiscoveryService.js';
import { createMockWorkspaceContext } from '../test-utils/mockWorkspaceContext.js';
import { ToolErrorType } from './tool-error.js';
import * as glob from 'glob';
vi.mock('glob', { spy: true });
describe('GlobTool', () => {
    let tempRootDir; // This will be the rootDirectory for the GlobTool instance
    let globTool;
    const abortSignal = new AbortController().signal;
    // Mock config for testing
    const mockConfig = {
        getFileService: () => new FileDiscoveryService(tempRootDir),
        getFileFilteringRespectGitIgnore: () => true,
        getFileFilteringOptions: () => ({
            respectGitIgnore: true,
            respectGeminiIgnore: true,
        }),
        getTargetDir: () => tempRootDir,
        getWorkspaceContext: () => createMockWorkspaceContext(tempRootDir),
        getFileExclusions: () => ({
            getGlobExcludes: () => [],
        }),
    };
    beforeEach(async () => {
        // Create a unique root directory for each test run
        tempRootDir = await fs.mkdtemp(path.join(os.tmpdir(), 'glob-tool-root-'));
        await fs.writeFile(path.join(tempRootDir, '.git'), ''); // Fake git repo
        globTool = new GlobTool(mockConfig);
        // Create some test files and directories within this root
        // Top-level files
        await fs.writeFile(path.join(tempRootDir, 'fileA.txt'), 'contentA');
        await fs.writeFile(path.join(tempRootDir, 'FileB.TXT'), 'contentB'); // Different case for testing
        // Subdirectory and files within it
        await fs.mkdir(path.join(tempRootDir, 'sub'));
        await fs.writeFile(path.join(tempRootDir, 'sub', 'fileC.md'), 'contentC');
        await fs.writeFile(path.join(tempRootDir, 'sub', 'FileD.MD'), 'contentD'); // Different case
        // Deeper subdirectory
        await fs.mkdir(path.join(tempRootDir, 'sub', 'deep'));
        await fs.writeFile(path.join(tempRootDir, 'sub', 'deep', 'fileE.log'), 'contentE');
        // Files for mtime sorting test
        await fs.writeFile(path.join(tempRootDir, 'older.sortme'), 'older_content');
        // Ensure a noticeable difference in modification time
        await new Promise((resolve) => setTimeout(resolve, 50));
        await fs.writeFile(path.join(tempRootDir, 'newer.sortme'), 'newer_content');
    });
    afterEach(async () => {
        // Clean up the temporary root directory
        await fs.rm(tempRootDir, { recursive: true, force: true });
    });
    describe('execute', () => {
        it('should find files matching a simple pattern in the root', async () => {
            const params = { pattern: '*.txt' };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.llmContent).toContain('Found 2 file(s)');
            expect(result.llmContent).toContain(path.join(tempRootDir, 'fileA.txt'));
            expect(result.llmContent).toContain(path.join(tempRootDir, 'FileB.TXT'));
            expect(result.returnDisplay).toBe('Found 2 matching file(s)');
        });
        it('should find files case-sensitively when case_sensitive is true', async () => {
            const params = { pattern: '*.txt', case_sensitive: true };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.llmContent).toContain('Found 1 file(s)');
            expect(result.llmContent).toContain(path.join(tempRootDir, 'fileA.txt'));
            expect(result.llmContent).not.toContain(path.join(tempRootDir, 'FileB.TXT'));
        });
        it('should find files case-insensitively by default (pattern: *.TXT)', async () => {
            const params = { pattern: '*.TXT' };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.llmContent).toContain('Found 2 file(s)');
            expect(result.llmContent).toContain(path.join(tempRootDir, 'fileA.txt'));
            expect(result.llmContent).toContain(path.join(tempRootDir, 'FileB.TXT'));
        });
        it('should find files case-insensitively when case_sensitive is false (pattern: *.TXT)', async () => {
            const params = {
                pattern: '*.TXT',
                case_sensitive: false,
            };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.llmContent).toContain('Found 2 file(s)');
            expect(result.llmContent).toContain(path.join(tempRootDir, 'fileA.txt'));
            expect(result.llmContent).toContain(path.join(tempRootDir, 'FileB.TXT'));
        });
        it('should find files using a pattern that includes a subdirectory', async () => {
            const params = { pattern: 'sub/*.md' };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.llmContent).toContain('Found 2 file(s)');
            expect(result.llmContent).toContain(path.join(tempRootDir, 'sub', 'fileC.md'));
            expect(result.llmContent).toContain(path.join(tempRootDir, 'sub', 'FileD.MD'));
        });
        it('should find files in a specified relative path (relative to rootDir)', async () => {
            const params = { pattern: '*.md', dir_path: 'sub' };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.llmContent).toContain('Found 2 file(s)');
            expect(result.llmContent).toContain(path.join(tempRootDir, 'sub', 'fileC.md'));
            expect(result.llmContent).toContain(path.join(tempRootDir, 'sub', 'FileD.MD'));
        });
        it('should find files using a deep globstar pattern (e.g., **/*.log)', async () => {
            const params = { pattern: '**/*.log' };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.llmContent).toContain('Found 1 file(s)');
            expect(result.llmContent).toContain(path.join(tempRootDir, 'sub', 'deep', 'fileE.log'));
        });
        it('should return "No files found" message when pattern matches nothing', async () => {
            const params = { pattern: '*.nonexistent' };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.llmContent).toContain('No files found matching pattern "*.nonexistent"');
            expect(result.returnDisplay).toBe('No files found');
        });
        it('should find files with special characters in the name', async () => {
            await fs.writeFile(path.join(tempRootDir, 'file[1].txt'), 'content');
            const params = { pattern: 'file[1].txt' };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.llmContent).toContain('Found 1 file(s)');
            expect(result.llmContent).toContain(path.join(tempRootDir, 'file[1].txt'));
        });
        it('should find files with special characters like [] and () in the path', async () => {
            const filePath = path.join(tempRootDir, 'src/app/[test]/(dashboard)/testing/components/code.tsx');
            await fs.mkdir(path.dirname(filePath), { recursive: true });
            await fs.writeFile(filePath, 'content');
            const params = {
                pattern: 'src/app/[test]/(dashboard)/testing/components/code.tsx',
            };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.llmContent).toContain('Found 1 file(s)');
            expect(result.llmContent).toContain(filePath);
        });
        it('should correctly sort files by modification time (newest first)', async () => {
            const params = { pattern: '*.sortme' };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            const llmContent = partListUnionToString(result.llmContent);
            expect(llmContent).toContain('Found 2 file(s)');
            // Ensure llmContent is a string for TypeScript type checking
            expect(typeof llmContent).toBe('string');
            const filesListed = llmContent
                .trim()
                .split(/\r?\n/)
                .slice(1)
                .map((line) => line.trim())
                .filter(Boolean);
            expect(filesListed).toHaveLength(2);
            expect(path.resolve(filesListed[0])).toBe(path.resolve(tempRootDir, 'newer.sortme'));
            expect(path.resolve(filesListed[1])).toBe(path.resolve(tempRootDir, 'older.sortme'));
        });
        it('should return a PATH_NOT_IN_WORKSPACE error if path is outside workspace', async () => {
            // Bypassing validation to test execute method directly
            vi.spyOn(globTool, 'validateToolParams').mockReturnValue(null);
            const params = { pattern: '*.txt', dir_path: '/etc' };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.error?.type).toBe(ToolErrorType.PATH_NOT_IN_WORKSPACE);
            expect(result.returnDisplay).toBe('Path is not within workspace');
        });
        it('should return a GLOB_EXECUTION_ERROR on glob failure', async () => {
            vi.mocked(glob.glob).mockRejectedValue(new Error('Glob failed'));
            const params = { pattern: '*.txt' };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.error?.type).toBe(ToolErrorType.GLOB_EXECUTION_ERROR);
            expect(result.llmContent).toContain('Error during glob search operation: Glob failed');
            // Reset glob.
            vi.mocked(glob.glob).mockReset();
        });
    });
    describe('validateToolParams', () => {
        it.each([
            {
                name: 'should return null for valid parameters (pattern only)',
                params: { pattern: '*.js' },
                expected: null,
            },
            {
                name: 'should return null for valid parameters (pattern and dir_path)',
                params: { pattern: '*.js', dir_path: 'sub' },
                expected: null,
            },
            {
                name: 'should return null for valid parameters (pattern, dir_path, and case_sensitive)',
                params: { pattern: '*.js', dir_path: 'sub', case_sensitive: true },
                expected: null,
            },
            {
                name: 'should return error if pattern is missing (schema validation)',
                params: { dir_path: '.' },
                expected: `params must have required property 'pattern'`,
            },
            {
                name: 'should return error if pattern is an empty string',
                params: { pattern: '' },
                expected: "The 'pattern' parameter cannot be empty.",
            },
            {
                name: 'should return error if pattern is only whitespace',
                params: { pattern: '   ' },
                expected: "The 'pattern' parameter cannot be empty.",
            },
            {
                name: 'should return error if dir_path is not a string (schema validation)',
                params: { pattern: '*.ts', dir_path: 123 },
                expected: 'params/dir_path must be string',
            },
            {
                name: 'should return error if case_sensitive is not a boolean (schema validation)',
                params: { pattern: '*.ts', case_sensitive: 'true' },
                expected: 'params/case_sensitive must be boolean',
            },
            {
                name: "should return error if search path resolves outside the tool's root directory",
                params: {
                    pattern: '*.txt',
                    dir_path: '../../../../../../../../../../tmp',
                },
                expected: 'resolves outside the allowed workspace directories',
            },
            {
                name: 'should return error if specified search path does not exist',
                params: { pattern: '*.txt', dir_path: 'nonexistent_subdir' },
                expected: 'Search path does not exist',
            },
            {
                name: 'should return error if specified search path is a file, not a directory',
                params: { pattern: '*.txt', dir_path: 'fileA.txt' },
                expected: 'Search path is not a directory',
            },
        ])('$name', ({ params, expected }) => {
            // @ts-expect-error - We're intentionally creating invalid params for testing
            const result = globTool.validateToolParams(params);
            if (expected === null) {
                expect(result).toBeNull();
            }
            else {
                expect(result).toContain(expected);
            }
        });
    });
    describe('workspace boundary validation', () => {
        it('should validate search paths are within workspace boundaries', () => {
            const validPath = { pattern: '*.ts', dir_path: 'sub' };
            const invalidPath = { pattern: '*.ts', dir_path: '../..' };
            expect(globTool.validateToolParams(validPath)).toBeNull();
            expect(globTool.validateToolParams(invalidPath)).toContain('resolves outside the allowed workspace directories');
        });
        it('should provide clear error messages when path is outside workspace', () => {
            const invalidPath = { pattern: '*.ts', dir_path: '/etc' };
            const error = globTool.validateToolParams(invalidPath);
            expect(error).toContain('resolves outside the allowed workspace directories');
            expect(error).toContain(tempRootDir);
        });
        it('should work with paths in workspace subdirectories', async () => {
            const params = { pattern: '*.md', dir_path: 'sub' };
            const invocation = globTool.build(params);
            const result = await invocation.execute(abortSignal);
            expect(result.llmContent).toContain('Found 2 file(s)');
            expect(result.llmContent).toContain('fileC.md');
            expect(result.llmContent).toContain('FileD.MD');
        });
    });
    describe('ignore file handling', () => {
        it.each([
            {
                name: 'should respect .gitignore files by default',
                ignoreFile: { name: '.gitignore', content: '*.ignored.txt' },
                filesToCreate: ['a.ignored.txt', 'b.notignored.txt'],
                globToolParams: { pattern: '*.txt' },
                expectedCountMessage: 'Found 3 file(s)',
                notExpectedToContain: ['a.ignored.txt'],
            },
            {
                name: 'should respect .geminiignore files by default',
                ignoreFile: { name: '.geminiignore', content: '*.geminiignored.txt' },
                filesToCreate: ['a.geminiignored.txt', 'b.notignored.txt'],
                globToolParams: { pattern: '*.txt' },
                expectedCountMessage: 'Found 3 file(s)',
                notExpectedToContain: ['a.geminiignored.txt'],
            },
            {
                name: 'should not respect .gitignore when respect_git_ignore is false',
                ignoreFile: { name: '.gitignore', content: '*.ignored.txt' },
                filesToCreate: ['a.ignored.txt'],
                globToolParams: { pattern: '*.txt', respect_git_ignore: false },
                expectedCountMessage: 'Found 3 file(s)',
                expectedToContain: ['a.ignored.txt'],
            },
            {
                name: 'should not respect .geminiignore when respect_gemini_ignore is false',
                ignoreFile: { name: '.geminiignore', content: '*.geminiignored.txt' },
                filesToCreate: ['a.geminiignored.txt'],
                globToolParams: { pattern: '*.txt', respect_gemini_ignore: false },
                expectedCountMessage: 'Found 3 file(s)',
                expectedToContain: ['a.geminiignored.txt'],
            },
        ])('$name', async ({ ignoreFile, filesToCreate, globToolParams, expectedCountMessage, expectedToContain, notExpectedToContain, }) => {
            await fs.writeFile(path.join(tempRootDir, ignoreFile.name), ignoreFile.content);
            for (const file of filesToCreate) {
                await fs.writeFile(path.join(tempRootDir, file), 'content');
            }
            const invocation = globTool.build(globToolParams);
            const result = await invocation.execute(abortSignal);
            expect(result.llmContent).toContain(expectedCountMessage);
            if (expectedToContain) {
                for (const file of expectedToContain) {
                    expect(result.llmContent).toContain(file);
                }
            }
            if (notExpectedToContain) {
                for (const file of notExpectedToContain) {
                    expect(result.llmContent).not.toContain(file);
                }
            }
        });
    });
});
describe('sortFileEntries', () => {
    const nowTimestamp = new Date('2024-01-15T12:00:00.000Z').getTime();
    const oneDayInMs = 24 * 60 * 60 * 1000;
    const createFileEntry = (fullpath, mtimeDate) => ({
        fullpath: () => fullpath,
        mtimeMs: mtimeDate.getTime(),
    });
    const testCases = [
        {
            name: 'should sort a mix of recent and older files correctly',
            entries: [
                {
                    name: 'older_zebra.txt',
                    mtime: new Date(nowTimestamp - (oneDayInMs + 2 * 60 * 60 * 1000)),
                },
                {
                    name: 'recent_alpha.txt',
                    mtime: new Date(nowTimestamp - 1 * 60 * 60 * 1000),
                },
                {
                    name: 'older_apple.txt',
                    mtime: new Date(nowTimestamp - (oneDayInMs + 1 * 60 * 60 * 1000)),
                },
                {
                    name: 'recent_beta.txt',
                    mtime: new Date(nowTimestamp - 2 * 60 * 60 * 1000),
                },
                {
                    name: 'older_banana.txt',
                    mtime: new Date(nowTimestamp - (oneDayInMs + 1 * 60 * 60 * 1000)),
                },
            ],
            expected: [
                'recent_alpha.txt',
                'recent_beta.txt',
                'older_apple.txt',
                'older_banana.txt',
                'older_zebra.txt',
            ],
        },
        {
            name: 'should sort only recent files by mtime descending',
            entries: [
                { name: 'c.txt', mtime: new Date(nowTimestamp - 2000) },
                { name: 'a.txt', mtime: new Date(nowTimestamp - 3000) },
                { name: 'b.txt', mtime: new Date(nowTimestamp - 1000) },
            ],
            expected: ['b.txt', 'c.txt', 'a.txt'],
        },
        {
            name: 'should sort only older files alphabetically by path',
            entries: [
                { name: 'zebra.txt', mtime: new Date(nowTimestamp - 2 * oneDayInMs) },
                { name: 'apple.txt', mtime: new Date(nowTimestamp - 2 * oneDayInMs) },
                { name: 'banana.txt', mtime: new Date(nowTimestamp - 2 * oneDayInMs) },
            ],
            expected: ['apple.txt', 'banana.txt', 'zebra.txt'],
        },
        {
            name: 'should handle an empty array',
            entries: [],
            expected: [],
        },
        {
            name: 'should correctly sort files when mtimes are identical for recent files',
            entries: [
                { name: 'b.txt', mtime: new Date(nowTimestamp - 1000) },
                { name: 'a.txt', mtime: new Date(nowTimestamp - 1000) },
            ],
            expectedUnordered: ['a.txt', 'b.txt'],
        },
        {
            name: 'should use recencyThresholdMs parameter correctly',
            recencyThresholdMs: 1000,
            entries: [
                { name: 'older_file.txt', mtime: new Date(nowTimestamp - 1001) },
                { name: 'recent_file.txt', mtime: new Date(nowTimestamp - 999) },
            ],
            expected: ['recent_file.txt', 'older_file.txt'],
        },
    ];
    it.each(testCases)('$name', ({ entries, expected, expectedUnordered, recencyThresholdMs }) => {
        const globPaths = entries.map((e) => createFileEntry(e.name, e.mtime));
        const sorted = sortFileEntries(globPaths, nowTimestamp, recencyThresholdMs ?? oneDayInMs);
        const sortedPaths = sorted.map((e) => e.fullpath());
        if (expected) {
            expect(sortedPaths).toEqual(expected);
        }
        else if (expectedUnordered) {
            expect(sortedPaths).toHaveLength(expectedUnordered.length);
            for (const path of expectedUnordered) {
                expect(sortedPaths).toContain(path);
            }
        }
        else {
            throw new Error('Test case must have expected or expectedUnordered');
        }
    });
});
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