import type { NextApiRequest, NextApiResponse } from "next"
import sqlite3 from "sqlite3"
import path from "path"

export default async function handler(req: NextApiRequest, res: NextApiResponse) {
  if (req.method !== "GET") return res.status(405).json({ error: "Method not allowed" })
  
  const { q } = req.query
  if (!q) return res.status(400).json({ error: "Query required" })
  
  const dbPath = path.join(process.cwd(), "database", "antihoax.db")
  const db = new sqlite3.Database(dbPath)
  
  try {
    const results = await new Promise<any[]>((resolve, reject) => {
      db.all(
        "SELECT * FROM sources WHERE domain LIKE ? OR title LIKE ? LIMIT 20",
        [`%${q}%`, `%${q}%`],
        (err, rows) => {
          if (err) reject(err)
          else resolve(rows)
        }
      )
    })
    res.json(results)
  } catch (error) {
    res.status(500).json({ error: "Database error" })
  } finally {
    db.close()
  }
}