import path from "path"
import type { RepositoryStrategy } from "./strategy.js"
import { GitRepositoryStrategy } from "./gitStrategy.js"
import { LocalRepositoryStrategy } from "./localStrategy.js"
import { logger } from "../utils/logger.js"
/**
* Repository Factory
* Automatically determines and creates corresponding strategy instances based on repository URL
*/
export class RepositoryFactory {
/**
* Create corresponding Repository Strategy
* @param repoUrl - Repository URL or local path
* @param defaultBranch - Default branch name (only for Git repository)
* @param maxRetries - Maximum number of retries (only for Git repository)
* @returns Repository Strategy instance
* @throws {Error} When unable to determine repository type
*/
static createStrategy(
repoUrl: string,
defaultBranch: string = "main",
maxRetries: number = 3
): RepositoryStrategy {
// Validate URL format
if (repoUrl.includes("..") || repoUrl.includes("\0")) {
throw new Error("Invalid REPO_URL: path traversal detected")
}
// Check if it's a local path
const isLocalPath =
path.isAbsolute(repoUrl) &&
!repoUrl.startsWith("http://") &&
!repoUrl.startsWith("https://") &&
!repoUrl.startsWith("git@")
if (isLocalPath) {
logger.debug({ repoUrl }, "Creating LocalRepositoryStrategy")
return new LocalRepositoryStrategy(repoUrl)
}
// Check if it's a Git repository
const isGitRepo =
repoUrl.startsWith("http://") ||
repoUrl.startsWith("https://") ||
repoUrl.startsWith("git@")
if (isGitRepo) {
logger.debug({ repoUrl }, "Creating GitRepositoryStrategy")
return new GitRepositoryStrategy(repoUrl, defaultBranch, maxRetries)
}
throw new Error(
`Unable to determine repository type for: ${repoUrl}. Must be a Git URL (http/https/git@) or absolute local path.`
)
}
}
