import { Router } from 'express';
import { projects, projectMembers } from '../db';
import { requireAuth } from 'auth-connector/server/auth';
import { createProjectStorage } from '../storage';
import { isOwner, canView, getMemberRole } from '../projectAccess';

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

router.get( '/', ( req, res ) =>
{
  const user = req.auth!;
  const visible = projects.all().filter( p =>
  {
    if ( isOwner( p, user ) ) return true;
    return getMemberRole( projectMembers.forProject( p.id ), user ) !== null;
  } );
  res.json( visible );
} );

router.post( '/', ( req, res ) =>
{
  const { name } = req.body as { name?: string };
  if ( !name ) { res.status( 400 ).json( { error: 'Name required' } ); return; }
  const project = projects.create( { name, owner_id: req.auth!.userId } );
  createProjectStorage( project.id );
  res.json( project );
} );

router.delete( '/:id', ( req, res ) =>
{
  const project = projects.findById( req.params.id );
  if ( !project ) { res.status( 404 ).json( { error: 'Not found' } ); return; }
  if ( !isOwner( project, req.auth! ) ) { res.status( 403 ).json( { error: 'Forbidden' } ); return; }
  projects.delete( req.params.id );
  res.json( { ok: true } );
} );

router.get( '/:id/members', ( req, res ) =>
{
  const project = projects.findById( req.params.id );
  if ( !project ) { res.status( 404 ).json( { error: 'Not found' } ); return; }
  const members = projectMembers.forProject( req.params.id );
  if ( !canView( project, members, req.auth! ) ) { res.status( 403 ).json( { error: 'Forbidden' } ); return; }
  res.json( members );
} );

router.post( '/:id/members', ( req, res ) =>
{
  const project = projects.findById( req.params.id );
  if ( !project ) { res.status( 404 ).json( { error: 'Not found' } ); return; }
  if ( !isOwner( project, req.auth! ) ) { res.status( 403 ).json( { error: 'Forbidden' } ); return; }
  const { email, role } = req.body as { email?: string; role?: string };
  if ( !email ) { res.status( 400 ).json( { error: 'email required' } ); return; }
  res.json( projectMembers.add( { project_id: req.params.id, member_type: 'user', member_id: email, role: role ?? 'viewer' } ) );
} );

router.delete( '/:id/members/:memberId', ( req, res ) =>
{
  const project = projects.findById( req.params.id );
  if ( !project ) { res.status( 404 ).json( { error: 'Not found' } ); return; }
  if ( !isOwner( project, req.auth! ) ) { res.status( 403 ).json( { error: 'Forbidden' } ); return; }
  projectMembers.remove( req.params.memberId );
  res.json( { ok: true } );
} );

export default router;