#!/usr/bin/env python3
"""server.py — väike HTTP-teenus tõlkeboti fetch-mootorile.

Endpointid:
  POST /fetch   body {"url": "...", "mode": "auto|direct|solverr"} -> fetch() tulemus
  GET  /health  -> {"ok": true}
"""
import json
from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer

from tolke_fetch import fetch

PORT = 8192


class Handler(BaseHTTPRequestHandler):
    server_version = "tolkfetch/1.0"

    def _send(self, code, payload):
        body = json.dumps(payload, ensure_ascii=False).encode("utf-8")
        self.send_response(code)
        self.send_header("Content-Type", "application/json; charset=utf-8")
        self.send_header("Content-Length", str(len(body)))
        self.end_headers()
        self.wfile.write(body)

    def do_GET(self):
        if self.path.startswith("/health"):
            self._send(200, {"ok": True, "service": "tolkfetch"})
        else:
            self._send(404, {"ok": False, "reason": "not found"})

    def do_POST(self):
        if not self.path.startswith("/fetch"):
            self._send(404, {"ok": False, "reason": "not found"})
            return
        try:
            n = int(self.headers.get("Content-Length") or 0)
            data = json.loads(self.rfile.read(n) or b"{}")
        except Exception as e:
            self._send(400, {"ok": False, "reason": "halb JSON: " + str(e)[:120]})
            return
        try:
            res = fetch(data.get("url") or "", data.get("mode") or "auto")
        except Exception as e:
            res = {"ok": False, "url": data.get("url", ""),
                   "reason": "teenuse viga: " + str(e)[:200]}
        self._send(200, res)

    def log_message(self, fmt, *args):
        pass


if __name__ == "__main__":
    srv = ThreadingHTTPServer(("0.0.0.0", PORT), Handler)
    srv.serve_forever()