import json, threading, Queue
import requests
import pathod, utils

IFACE = "127.0.0.1"

class Daemon:
    def __init__(self, staticdir=None, anchors=(), ssl=None, sizelimit=None):
        self.q = Queue.Queue()
        self.thread = PaThread(self.q, staticdir, anchors, ssl, sizelimit)
        self.thread.start()
        self.port = self.q.get(True, 5)
        self.urlbase = "%s://%s:%s"%("https" if ssl else "http", IFACE, self.port)

    def info(self):
        """
            Return some basic info about the remote daemon.
        """
        resp = requests.get("%s/api/info"%self.urlbase, verify=False)
        return resp.json

    def log(self):
        """
            Return the log buffer as a list of dictionaries.
        """
        resp = requests.get("%s/api/log"%self.urlbase, verify=False)
        return resp.json["log"]

    def clear_log(self):
        """
            Clear the log.
        """
        resp = requests.get("%s/api/clear_log"%self.urlbase, verify=False)
        return resp.ok

    def shutdown(self):
        """
            Shut the daemon down, return after the thread has exited.
        """
        self.thread.server.shutdown()
        self.thread.join()


class PaThread(threading.Thread):
    def __init__(self, q, staticdir, anchors, ssl, sizelimit):
        threading.Thread.__init__(self)
        self.q, self.staticdir, self.anchors, self.ssl, self.sizelimit = q, staticdir, anchors, ssl, sizelimit

    def run(self):
        if self.ssl is True:
            ssloptions = dict(
                 keyfile = utils.data.path("resources/server.key"),
                 certfile = utils.data.path("resources/server.crt"),
            )
        else:
            ssloptions = self.ssl
        self.server = pathod.Pathod(
            (IFACE, 0),
            ssloptions = ssloptions,
            anchors = self.anchors,
            staticdir = self.staticdir,
            sizelimit = self.sizelimit
        )
        self.q.put(self.server.port)
        self.server.serve_forever()