import express from 'express'
import Database from 'sqlite3'
import { fileURLToPath } from 'url'
import { dirname, join } from 'path'

const __dirname = dirname(fileURLToPath(import.meta.url))
const app = express()
const PORT = 3000

const db = new Database.Database(join(__dirname, 'Buh-nr'))

app.use(express.static(join(__dirname, 'dist')))

app.get('/api/regions', (_req, res) => {
  db.all('SELECT id, name, slug FROM regions ORDER BY id', (err, rows) => {
    if (err) return res.status(500).json({ error: 'Ошибка получения регионов' })
    res.json(rows)
  })
})

app.get('/api/tariffs', (req, res) => {
  const mode = req.query.mode || 'special'
  const sql = `
    SELECT t.id, t.title, t.description, p.price
    FROM tariffs t
    JOIN prices p      ON p.tariff_id   = t.id
    JOIN tax_modes tm  ON tm.id         = p.tax_mode_id
    WHERE tm.slug = ?
    ORDER BY t.sort_order
  `
  db.all(sql, [mode], (err, rows) => {
    if (err) return res.status(500).json({ error: 'Ошибка получения тарифов' })
    res.json(rows)
  })
})

app.get('/{*splat}', (_req, res) => {
  res.sendFile(join(__dirname, 'dist', 'index.html'))
})

app.listen(PORT, () => console.log(`Сервер запущен: http://localhost:${PORT}`))