/* This module contains the denoGres commands that are compiled when typed in a command line */
import { config, parse } from './deps.ts';
import 'https://deno.land/x/dotenv@v3.2.0/load.ts';
import { init } from './src/functions/init.ts';
import seed from './src/functions/seed.ts';
// import { resolve } from 'https://deno.land/std@0.141.0/path/win32.ts';
import sync from './src/functions/sync.ts';
import { dbPull } from './src/functions/dbPull.ts';
import restoreModel from './src/functions/restore.ts';

switch (Deno.args[0]) {
  case '--init':
    init();
    break;
  case '--log': {
    const myLog = Deno.readTextFileSync(
      './Migrations/log/migration_log.txt',
    );
    console.log(myLog);
    break;
  }

  case '--db-pull': {
    const envVar = parse(await Deno.readTextFile('./.env'));
    if (envVar.DATABASE_URI === '') {
      console.log('Please enter a valid DATABASE_URI value in .env');
    } else {
      dbPull();
    }
    break;
  }
  case '--db-sync': {
    Deno.args[1] === '-x' ? sync(true) : sync();
    break;
  }
  case '-h':
  case '--help': {
    console.log(displayHelpMsg());
    break;
  }
  case '--gui': {
    const app = Deno.run({
      cmd: [
        'deno',
        'run',
        '-Ar',
        '--unstable',
        'https://deno.land/x/denogres/webview/webview.ts',
        // "https://deno.land/x/denogresdev/webview/webview.ts",
      ],
    });
    await app.status();
    break;
  }
  case '--db-seed': {
    Deno.args[1] === undefined ? seed() : seed(Deno.args[1]);
    break;
  }
  case '--restore': {
    restoreModel();
    break;
  }
  default:
}

function displayHelpMsg() {
  return `flags:
  --db-pull: Introspect database, create and populate model.ts file
  --db-seed: Upload locally stored data file to the PostgreSQL database
  --db-sync: Update the PostgreSQL database schema to match the DenoGres Model schema
  --gui: Launch the DenoGres graphical user interface
  -h, --help: Display the list of all commands
  --init: Set-up files required by DenoGres
  --log: Display a historical log of DenoGres Model schemas
  --restore: Restore locally stored DenoGres Model schemas and sync with the PostgreSQL database`;
}

export { Model } from './src/class/Model.ts';
export { manyToMany } from './src/class/Model.ts';