const express = require('express');
const router = express.Router();
const { isSuperAdmin } = require('../middleware/auth');
const Company = require('../models/Company');
const User = require('../models/User');
const Ticket = require('../models/Ticket');

router.get('/companies', isSuperAdmin, async (req, res) => {
    try {
        const companies = await Company.findAll();
        for (const c of companies) {
            c.userCount = await Company.countUsers(c.id);
            c.ticketCount = await Company.countTickets(c.id);
        }
        res.render('saas/companies', { companies });
    } catch (error) {
        console.error(error);
        req.flash('error_msg', 'Error al cargar empresas');
        res.redirect('/');
    }
});

router.post('/companies/create', isSuperAdmin, async (req, res) => {
    const { name, slug, plan } = req.body;
    if (!name || !slug) {
        req.flash('error_msg', 'Nombre y slug son obligatorios');
        return res.redirect('/saas/companies');
    }
    try {
        const existing = await Company.findBySlug(slug);
        if (existing) {
            req.flash('error_msg', 'El slug ya existe');
            return res.redirect('/saas/companies');
        }
        const companyId = await Company.create(name, slug, plan || 'free');
        const Department = require('../models/Department');
        await Department.create(companyId, 'Soporte Técnico', 'Problemas técnicos');
        await Department.create(companyId, 'General', 'Consultas generales');

        const bcrypt = require('bcryptjs');
        const hash = await bcrypt.hash('123456', 10);
        await User.create(companyId, 'Admin', `admin@${slug}.com`, hash, 'admin');

        req.flash('success_msg', `Empresa ${name} creada`);
        res.redirect('/saas/companies');
    } catch (error) {
        console.error(error);
        req.flash('error_msg', 'Error al crear empresa');
        res.redirect('/saas/companies');
    }
});

router.post('/companies/update/:id', isSuperAdmin, async (req, res) => {
    const { name, plan, max_users, max_tickets, is_active } = req.body;
    try {
        const data = {};
        if (name) data.name = name;
        if (plan) data.plan = plan;
        if (max_users) data.max_users = parseInt(max_users);
        if (max_tickets) data.max_tickets = parseInt(max_tickets);
        data.is_active = is_active ? 1 : 0;
        await Company.update(req.params.id, data);
        req.flash('success_msg', 'Empresa actualizada');
        res.redirect('/saas/companies');
    } catch (error) {
        console.error(error);
        req.flash('error_msg', 'Error al actualizar empresa');
        res.redirect('/saas/companies');
    }
});

module.exports = router;