# -*- coding: utf-8 -*-

import re

from module.common.json_layer import json_loads, json_dumps
from module.plugins.hoster.MegaNz import MegaNz


class MegacrypterCom(MegaNz):
    __name__    = "MegacrypterCom"
    __type__    = "hoster"
    __version__ = "0.2"

    __pattern__ = r'(https?://\w{0,10}\.?megacrypter\.com/[\w!-]+)'

    __description__ = """Megacrypter.com decrypter plugin"""
    __license__     = "GPLv3"
    __authors__     = [("GonzaloSR", "gonzalo@gonzalosr.com")]


    API_URL = "http://megacrypter.com/api"
    FILE_SUFFIX = ".crypted"


    def callApi(self, **kwargs):
        """ Dispatch a call to the api, see megacrypter.com/api_doc """
        self.logDebug("JSON request: " + json_dumps(kwargs))
        resp = self.load(self.API_URL, post=json_dumps(kwargs))
        self.logDebug("API Response: " + resp)
        return json_loads(resp)


    def process(self, pyfile):
        # match is guaranteed because plugin was chosen to handle url
        node = re.match(self.__pattern__, pyfile.url).group(1)

        # get Mega.co.nz link info
        info = self.callApi(link=node, m="info")

        # get crypted file URL
        dl = self.callApi(link=node, m="dl")

        # TODO: map error codes, implement password protection
        # if info['pass'] is True:
        #    crypted_file_key, md5_file_key = info['key'].split("#")

        key = self.b64_decode(info['key'])

        pyfile.name = info['name'] + self.FILE_SUFFIX

        self.download(dl['url'])
        self.decryptFile(key)

        # Everything is finished and final name can be set
        pyfile.name = info['name']