import fs from "fs/promises";
import path from "path";
import { Errors, MCPError } from "./errors.js";
/**
* Validates that the given path is a valid RPG Maker MZ project directory.
* @throws {MCPError} If the path is invalid or not a valid RPG Maker MZ project
*/
export async function validateProjectPath(projectPath: string): Promise<void> {
try {
const stats = await fs.stat(projectPath);
if (!stats.isDirectory()) {
throw Errors.projectNotDirectory(projectPath);
}
const projectFile = path.join(projectPath, "game.rmmzproject");
try {
await fs.access(projectFile);
} catch {
throw Errors.projectFileNotFound(projectPath);
}
} catch (error: unknown) {
if (error instanceof MCPError) {
throw error;
}
const reason = error instanceof Error ? error.message : String(error);
throw Errors.invalidProjectPath(projectPath, reason);
}
}
/**
* Recursively gets all files in a directory.
*/
export async function getFilesRecursively(dir: string): Promise<string[]> {
const dirents = await fs.readdir(dir, { withFileTypes: true });
const files = await Promise.all(dirents.map((dirent) => {
const res = path.join(dir, dirent.name);
return dirent.isDirectory() ? getFilesRecursively(res) : res;
}));
return Array.prototype.concat(...files);
}
/**
* Sleeps for the specified number of milliseconds.
*/
export const sleep = (ms: number): Promise<void> =>
new Promise(resolve => setTimeout(resolve, ms));
