import os from 'os';
import path from 'path';
import fs from 'fs';

export const envisionPath = path.join(os.homedir(), '.config', 'envision');
const configPath = path.join(os.homedir(), '.config', 'envision', 'config.json');

export const pidFilePath = path.join(envisionPath, 'app.pid');
export const dbPath = path.join(envisionPath, 'db.sqlite');
const envisionPidDir = path.join(envisionPath);
export const getPidList = () => {
  const files = fs.readdirSync(envisionPidDir);
  const pidFiles = files.filter((file) => file.endsWith('.pid'));
  return pidFiles.map((file) => {
    const pid = fs.readFileSync(path.join(envisionPidDir, file), 'utf-8');
    return { pid, file: path.join(envisionPidDir, file) };
  });
};
export const writeVitePid = (pid: number) => {
  fs.writeFileSync(path.join(envisionPath, `vite-${pid}.pid`), pid.toString());
};
export const checkFileExists = (filePath: string) => {
  try {
    fs.accessSync(filePath, fs.constants.F_OK);
    return true;
  } catch (error) {
    return false;
  }
};
export const getConfig = () => {
  if (!checkFileExists(envisionPath)) {
    fs.mkdirSync(envisionPath, { recursive: true });
  }
  if (checkFileExists(configPath)) {
    const config = fs.readFileSync(configPath, 'utf-8');
    try {
      return JSON.parse(config);
    } catch (e) {
      return {};
    }
  }
  return {};
};

export const writeConfig = (config: Record<string, any>) => {
  fs.writeFileSync(configPath, JSON.stringify(config, null, 2));
  return config;
};