import logging
import re
import sys

import requests
from uptime_kuma_api import MonitorType

logger = logging.getLogger(__name__)


def hydrate_http_probes(tree, excludes=[], fallback_to_http = True):
    for probe in tree.get("monitors", []):
        if "type" not in probe.kwargs:
            logger.error(f"Fatal: probe {probe.name}  must have a 'type' parameter")
            sys.exit(1)
        if (
            probe.kwargs["type"] == MonitorType.KEYWORD
            and probe.kwargs.get("keyword") is None
        ):
            logger.debug(f"Hydrating {probe.name}")
            if "url" not in probe.kwargs:
                logger.error("Fatal: http probe must provide an url")
                sys.exit(1)
            if "method" not in probe.kwargs:
                logger.error("Fatal: http probe must provide a method")
                sys.exit(1)
            url = probe.kwargs["url"]
            method = probe.kwargs["method"]
            headers = probe.kwargs.get("headers")
            body = probe.kwargs.get("body")
            req = requests.request(
                method, url, headers=headers, data=body, allow_redirects=True
            )
            req.encoding = req.apparent_encoding
            if req.status_code not in probe.get_status_codes():
                logger.error(f"{probe.name} is not returning the right status code")
            m = re.search("(?s)<title[^>]*>(.*?)</title>", req.text)
            if m is None:
                logger.warn(
                    f"Didn't find keywords for probe {probe.name}, falling back on classic HTTP probe"
                )
                logging.debug(req.text)
                if fallback_to_http:
                    probe.kwargs["type"] = "http"
            else:
                probe.kwargs["keyword"] = m.group(1).strip()
                logger.debug(f"New keyword: {m.group(1).strip()}")