const db = require('../config/db');

const Company = {
    findAll: async () => {
        const [rows] = await db.query('SELECT * FROM companies ORDER BY created_at DESC');
        return rows;
    },
    findById: async (id) => {
        const [rows] = await db.query('SELECT * FROM companies WHERE id = ?', [id]);
        return rows[0];
    },
    findBySlug: async (slug) => {
        const [rows] = await db.query('SELECT * FROM companies WHERE slug = ?', [slug]);
        return rows[0];
    },
    create: async (name, slug, plan = 'free') => {
        const [result] = await db.query(
            'INSERT INTO companies (name, slug, plan) VALUES (?, ?, ?)',
            [name, slug, plan]
        );
        return result.insertId;
    },
    update: async (id, data) => {
        const fields = [];
        const values = [];
        for (const [key, value] of Object.entries(data)) {
            fields.push(`${key} = ?`);
            values.push(value);
        }
        if (fields.length === 0) return;
        values.push(id);
        await db.query(`UPDATE companies SET ${fields.join(', ')} WHERE id = ?`, values);
    },
    countUsers: async (companyId) => {
        const [rows] = await db.query('SELECT COUNT(*) as total FROM users WHERE company_id = ? AND is_active = 1', [companyId]);
        return rows[0].total;
    },
    countTickets: async (companyId) => {
        const [rows] = await db.query('SELECT COUNT(*) as total FROM tickets WHERE company_id = ?', [companyId]);
        return rows[0].total;
    }
};

module.exports = Company;