"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.LOCK_FILENAME = void 0;
exports.lockfilePath = lockfilePath;
exports.isProcessAlive = isProcessAlive;
exports.readLock = readLock;
exports.acquireLock = acquireLock;
exports.releaseLock = releaseLock;
exports.stopProcess = stopProcess;
const fs = __importStar(require("node:fs"));
const path = __importStar(require("node:path"));
exports.LOCK_FILENAME = '.aidev.lock';
function lockfilePath(cwd) {
    return path.join(cwd, exports.LOCK_FILENAME);
}
/** Returns true if the given PID corresponds to a running process. */
function isProcessAlive(pid) {
    try {
        process.kill(pid, 0);
        return true;
    }
    catch {
        return false;
    }
}
/**
 * Read the PID stored in the lock file.
 * Returns null if the file does not exist or its content is not a valid integer.
 */
function readLock(cwd) {
    const p = lockfilePath(cwd);
    if (!fs.existsSync(p))
        return null;
    const raw = fs.readFileSync(p, 'utf8').trim();
    const pid = parseInt(raw, 10);
    return isNaN(pid) ? null : pid;
}
/**
 * Try to acquire the lock for `cwd`.
 * Returns true on success, false if another live process already holds it.
 */
function acquireLock(cwd) {
    const existing = readLock(cwd);
    if (existing !== null && isProcessAlive(existing)) {
        return false;
    }
    // Write our PID (overwriting stale lock if present)
    fs.writeFileSync(lockfilePath(cwd), String(process.pid), 'utf8');
    return true;
}
/** Remove the lock file for `cwd`. Safe to call even if file is absent. */
function releaseLock(cwd) {
    try {
        fs.unlinkSync(lockfilePath(cwd));
    }
    catch {
        // already removed or never existed
    }
}
function stopProcess(cwd) {
    const pid = readLock(cwd);
    if (pid === null)
        return 'no-lock';
    if (!isProcessAlive(pid)) {
        releaseLock(cwd);
        return 'not-running';
    }
    process.kill(pid, 'SIGTERM');
    releaseLock(cwd);
    return 'killed';
}
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