import { existsSync, mkdirSync, cpSync, lstatSync } from 'fs';
import { resolve } from 'path';

const manifest = await Bun.file('manifest.json').json();
const pluginId: string = manifest.id;

const vaultPath = process.argv[2] || process.env.OBSIDIAN_VAULT;

if (!vaultPath) {
  console.error(
    'Usage: bun run scripts/install-to-vault.ts <vault-path>\n' + '  or set OBSIDIAN_VAULT environment variable',
  );
  process.exit(1);
}

const resolvedVault = resolve(vaultPath);
const obsidianDir = resolve(resolvedVault, '.obsidian');
const pluginsDir = resolve(obsidianDir, 'plugins');
const targetDir = resolve(pluginsDir, pluginId);
const distDir = resolve(import.meta.dir, '..', 'dist');

// Validation checks
if (!existsSync(obsidianDir)) {
  console.error(`Invalid vault path: ${resolvedVault}`);
  console.error(`.obsidian directory not found at ${obsidianDir}`);
  process.exit(1);
}

if (!existsSync(distDir)) {
  console.error(`Build not found: run 'bun run build' first`);
  process.exit(1);
}

if (existsSync(targetDir) && lstatSync(targetDir).isSymbolicLink()) {
  console.error(`${targetDir} is a symlink. Use 'vault:install-symlink' instead.`);
  process.exit(1);
}

// Install
if (!existsSync(pluginsDir)) {
  mkdirSync(pluginsDir, { recursive: true });
}

cpSync(distDir, targetDir, { recursive: true });
console.log(`Installed to: ${targetDir}`);