import { Router } from 'express';
import { getFileTree, readProjectFile, writeProjectFile, createProjectFile, createProjectDirectory, renameProjectEntry, deleteProjectEntry } from '../storage';
import { requireAuth } from '../middleware/auth';

const router = Router();
router.use(requireAuth);

router.get('/:projectId/tree', (req, res) => {
  res.json(getFileTree(req.params.projectId));
});

router.get('/:projectId/*', (req, res) => {
  const filePath = (req.params as Record<string, string>)[0];
  const content = readProjectFile(req.params.projectId, filePath);
  if (content === null) { res.status(404).json({ error: 'Not found' }); return; }
  res.type('text/plain').send(content);
});

router.post('/:projectId/create-file', (req, res) => {
  const { path: filePath } = req.body as { path: string };
  if (!filePath) { res.status(400).json({ error: 'path required' }); return; }
  const ok = createProjectFile(req.params.projectId, filePath);
  if (!ok) { res.status(409).json({ error: 'Already exists or invalid path' }); return; }
  res.json({ ok: true });
});

router.post('/:projectId/create-directory', (req, res) => {
  const { path: dirPath } = req.body as { path: string };
  if (!dirPath) { res.status(400).json({ error: 'path required' }); return; }
  const ok = createProjectDirectory(req.params.projectId, dirPath);
  if (!ok) { res.status(409).json({ error: 'Already exists or invalid path' }); return; }
  res.json({ ok: true });
});

router.post( '/:projectId/rename', ( req, res ) => {
  const { path: oldPath, newName } = req.body as { path: string; newName: string };
  if ( !oldPath || !newName ) { res.status( 400 ).json( { error: 'path and newName required' } ); return; }
  const ok = renameProjectEntry( req.params.projectId, oldPath, newName );
  if ( !ok ) { res.status( 409 ).json( { error: 'Rename failed' } ); return; }
  res.json( { ok: true } );
} );

router.post( '/:projectId/delete', ( req, res ) => {
  const { path: targetPath } = req.body as { path: string };
  if ( !targetPath ) { res.status( 400 ).json( { error: 'path required' } ); return; }
  const ok = deleteProjectEntry( req.params.projectId, targetPath );
  if ( !ok ) { res.status( 409 ).json( { error: 'Delete failed' } ); return; }
  res.json( { ok: true } );
} );

router.put('/:projectId/*', (req, res) => {
  const filePath = (req.params as Record<string, string>)[0];
  if (typeof req.body !== 'string') { res.status(400).json({ error: 'Content must be text' }); return; }
  const ok = writeProjectFile(req.params.projectId, filePath, req.body);
  if (!ok) { res.status(403).json({ error: 'Invalid path' }); return; }
  res.json({ ok: true });
});

export default router;