const express = require('express');
const router = express.Router();
const supabase = require('../services/supabase');
const { requireAuth } = require('../middleware/auth');
const { asyncHandler } = require('../middleware/security');

// GET /vehicles — List all vehicles
router.get('/', requireAuth, asyncHandler(async (req, res) => {
  const { data: vehicles } = await supabase
    .from('vehicles')
    .select('*')
    .order('number');

  res.render('pages/vehicles/list', { vehicles: vehicles || [] });
}));

// GET /vehicles/:id — Vehicle detail with loads
router.get('/:id', requireAuth, asyncHandler(async (req, res) => {
  const { data: vehicle } = await supabase
    .from('vehicles').select('*').eq('id', req.params.id).single();
  if (!vehicle) return res.status(404).render('pages/404');

  const { data: loads } = await supabase
    .from('loads')
    .select('*, shipper:shippers(name)')
    .eq('vehicle_id', req.params.id)
    .order('date', { ascending: false, nullsFirst: false });

  res.render('pages/vehicles/detail', {
    vehicle,
    loads: loads || [],
  });
}));

// POST /vehicles — Create/update vehicle
router.post('/', requireAuth, asyncHandler(async (req, res) => {
  const { number, type, city, state, owner_name, owner_phone, is_active } = req.body;
  const id = number.replace(/\s/g, '').toLowerCase();
  
  await supabase.from('vehicles').upsert({
    id, number: number.toUpperCase().replace(/\s/g, ''),
    type: type || 'open', city: city || 'Thiruvananthapuram', state: state || 'Kerala',
    owner_name: owner_name || null, owner_phone: owner_phone || null,
    is_active: is_active === 'true' || is_active === 'on',
  });
  res.redirect('/vehicles/' + encodeURIComponent(id));
}));

module.exports = router;