import { BaseFileSystemTool } from './shared/BaseFileSystemTool.js';
import { resolveHybridScriptId, fileNameMatches } from '../../api/pathParser.js';
import { ValidationError, FileOperationError } from '../../errors/mcpErrors.js';
import { translatePathForOperation } from '../../utils/virtualFileTranslation.js';
// Note: moduleWrapper imports removed - CopyOperationStrategy handles wrapping internally
import { SCRIPT_ID_SCHEMA, ACCESS_TOKEN_SCHEMA, EXPECTED_HASH_SCHEMA, FORCE_SCHEMA } from './shared/schemas.js';
import type { CopyParams, CopyResult } from './shared/types.js';
import { GitOperationManager } from '../../core/git/GitOperationManager.js';
import { GitPathResolver } from '../../core/git/GitPathResolver.js';
import { SyncStrategyFactory } from '../../core/git/SyncStrategyFactory.js';
import { CopyOperationStrategy } from '../../core/git/operations/CopyOperationStrategy.js';
import { computeGitSha1 } from '../../utils/hashUtils.js';
import { checkForConflictOrThrow } from '../../utils/conflictDetection.js';
/**
* Copy files in Google Apps Script project with CommonJS processing
*
* ✅ RECOMMENDED - Unwraps source module, rewraps for destination
* Like Unix cp but handles module system
*/
export class CpTool extends BaseFileSystemTool {
public name = 'cp';
public description = 'Copy files in GAS (NO git auto-commit). After copy, call git_feature({operation:"commit"}) to save. Unwraps source module, rewraps for destination. Like Unix cp.';
public inputSchema = {
type: 'object',
properties: {
scriptId: {
...SCRIPT_ID_SCHEMA,
description: 'Google Apps Script project ID (44 characters) - used as default, can be overridden by embedded project IDs in paths'
},
from: {
type: 'string',
description: 'Source path: filename OR scriptId/filename (without extension). If embedded script ID provided, overrides scriptId parameter.',
examples: [
'utils.gs',
'ai_tools/helper.gs',
'1abc2def.../utils.gs'
]
},
to: {
type: 'string',
description: 'Destination path: filename OR scriptId/filename (without extension). If embedded script ID provided, overrides scriptId parameter.',
examples: [
'utils-copy.gs',
'backup/utils.gs',
'1xyz9abc.../utils.gs'
]
},
changeReason: {
type: 'string',
description: 'Optional commit message for git integration. If omitted, defaults to "Copy {from} to {to}". Git repo is created automatically if it doesn\'t exist.',
examples: ['Create backup copy', 'Duplicate for testing', 'Copy to archive folder']
},
expectedHash: {
...EXPECTED_HASH_SCHEMA,
description: 'Git SHA-1 hash (40 hex chars) of the source file from previous cat. If source file\'s hash differs, copy fails with ConflictError.'
},
force: {
...FORCE_SCHEMA,
description: '⚠️ Force copy even if source file hash mismatches. Use only when intentionally copying from a modified source.'
},
accessToken: {
...ACCESS_TOKEN_SCHEMA
}
},
required: ['scriptId', 'from', 'to'],
additionalProperties: false,
llmGuidance: {
// GIT INTEGRATION - CRITICAL for LLM behavior
gitIntegration: {
CRITICAL: 'This tool does NOT auto-commit to git',
behavior: 'Copy pushes to GAS but does NOT commit locally',
requiredAction: 'git_feature({operation:"commit", scriptId, message:"..."})'
},
unixLike: 'cp (copy) | GAS | CommonJS unwrap→rewrap',
whenToUse: 'copy files + proper CommonJS handling',
workflow: 'cp({scriptId:"...",from:"utils",to:"utils-backup"})',
commonJsProcessing: 'unwraps source→rewraps dest with correct module name',
examples: ['within: cp({scriptId:"1abc2def...",from:"utils",to:"utils-backup"})', 'cross-project: cp({scriptId:"1abc2def...",from:"utils",to:"1xyz9abc.../utils"})', 'subfolder: cp({scriptId:"1abc2def...",from:"main",to:"archive/main-v1"})', 'rename: cp({scriptId:"1abc2def...",from:"Calculator",to:"CalcBackup"})'],
vsRawCp: 'raw_cp→bulk ops without CommonJS processing'
}
};
async execute(params: CopyParams): Promise<CopyResult> {
// SECURITY: Validate parameters BEFORE authentication
const accessToken = await this.getAuthToken(params);
// Apply virtual file translation for user-provided paths
const translatedFrom = translatePathForOperation(params.from, true);
const translatedTo = translatePathForOperation(params.to, true);
// Resolve script IDs using hybrid approach (supports cross-project copies)
const fromResolution = resolveHybridScriptId(params.scriptId, translatedFrom, 'copy operation (from)');
const toResolution = resolveHybridScriptId(params.scriptId, translatedTo, 'copy operation (to)');
const fromProjectId = fromResolution.scriptId;
const toProjectId = toResolution.scriptId;
const fromFilename = fromResolution.cleanPath;
const toFilename = toResolution.cleanPath;
// Validate that we have actual filenames
if (!fromFilename || !toFilename) {
throw new ValidationError('path', 'from/to', 'valid filenames (cannot be empty)');
}
// === HASH-BASED CONFLICT DETECTION FOR SOURCE FILE ===
// Only fetch when expectedHash is provided (avoids unnecessary API calls)
if (params.expectedHash) {
const sourceFiles = await this.gasClient.getProjectContent(fromProjectId, accessToken);
const sourceFile = sourceFiles.find((f: any) => fileNameMatches(f.name, fromFilename));
if (!sourceFile) {
throw new FileOperationError('copy', params.from, 'source file not found');
}
checkForConflictOrThrow({
scriptId: fromProjectId,
filename: fromFilename,
operation: 'cp',
currentRemoteContent: sourceFile.source || '',
expectedHash: params.expectedHash,
hashSource: 'param',
force: params.force
});
}
// Always use GitOperationManager for proper workflow:
// 1. Compute changes (unwrap source, prepare dest content)
// 2. Validate with hooks (single commit for destination)
// 3. Write to remote
// Git repo will be created automatically if it doesn't exist
const operation = new CopyOperationStrategy({
scriptId: params.scriptId,
from: params.from,
to: params.to,
accessToken,
gasClient: this.gasClient
});
const pathResolver = new GitPathResolver();
const syncFactory = new SyncStrategyFactory();
const gitManager = new GitOperationManager(pathResolver, syncFactory, this.gasClient);
// Use provided changeReason or generate default
const defaultMessage = `Copy ${fromFilename} to ${toFilename}`;
const gitResult = await gitManager.executeWithGit(operation, {
scriptId: toProjectId, // Use destination project for git operations
files: [toFilename],
changeReason: params.changeReason || defaultMessage,
accessToken
});
// Add additional fields required by tool's CopyResult type
const copyResult = gitResult.result;
const isCrossProject = fromProjectId !== toProjectId;
// Compute destination file hash for response
// Fetch the destination file to compute its hash on WRAPPED content
let destHash: string | undefined;
try {
const destFiles = await this.gasClient.getProjectContent(toProjectId, accessToken);
const destFile = destFiles.find((f: any) => fileNameMatches(f.name, toFilename));
if (destFile) {
// Compute hash on WRAPPED content (full file as stored in GAS)
// This ensures hash matches `git hash-object <file>` on local synced files
destHash = computeGitSha1(destFile.source || '');
}
} catch (hashError) {
// Log but don't fail the copy operation if hash computation fails
console.error(`⚠️ [HASH] Could not compute destination hash: ${hashError}`);
}
// Check if on feature branch to add workflow hint
const { isFeatureBranch } = await import('../../utils/gitAutoCommit.js');
const onFeatureBranch = gitResult.git?.branch ? isFeatureBranch(gitResult.git.branch) : false;
// Return response with git hints for LLM guidance
// IMPORTANT: Write operations do NOT auto-commit - include git.taskCompletionBlocked signal
return {
...copyResult,
commonJsProcessed: true, // CopyOperationStrategy always processes CommonJS
size: 0, // We don't track size in the strategy
totalFiles: 0, // We don't track this anymore
message: isCrossProject
? `Copied ${fromFilename} from project ${fromProjectId.substring(0, 8)}... to ${toFilename} in project ${toProjectId.substring(0, 8)}... with CommonJS processing`
: `Copied ${fromFilename} to ${toFilename} with CommonJS processing within project ${fromProjectId.substring(0, 8)}...`,
// Include destination file hash for conflict detection on future operations
...(destHash ? {
hash: destHash,
hashNote: 'Hash computed on wrapped (full GAS file) content. Pass as expectedHash to future writes to detect concurrent modifications.'
} : {}),
// Pass through git hints from GitOperationManager
git: gitResult.git ? {
detected: gitResult.git.detected,
branch: gitResult.git.branch,
staged: gitResult.git.staged,
uncommittedChanges: gitResult.git.uncommittedChanges,
recommendation: gitResult.git.recommendation,
taskCompletionBlocked: gitResult.git.taskCompletionBlocked
} : { detected: false },
// Add workflow completion hint when on feature branch
...(onFeatureBranch ? {
nextAction: {
hint: `File copied. When complete: git_feature({ operation: 'finish', scriptId, pushToRemote: true })`,
required: gitResult.git?.taskCompletionBlocked || false
}
} : {})
};
}
}
