# -*- coding: utf-8 -*-
"""
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License,
    or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    See the GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, see <http://www.gnu.org/licenses/>.

    @author: zoidberg
"""

import re
from module.plugins.internal.SimpleHoster import SimpleHoster, create_getInfo

def convertDecimalPrefix(m):
    # decimal prefixes used in filesize and traffic
    return ("%%.%df" % {'k':3,'M':6,'G':9}[m.group(2)] % float(m.group(1))).replace('.','')

class UlozTo(SimpleHoster):
    __name__ = "UlozTo"
    __type__ = "hoster"
    __pattern__ = r"http://(\w*\.)?(uloz\.to|ulozto\.(cz|sk|net)|bagruj.cz|zachowajto.pl)/(?:live/)?(?P<id>\w+/[^/?]*)"
    __version__ = "0.93"
    __description__ = """uloz.to"""
    __author_name__ = ("zoidberg")

    FILE_NAME_PATTERN = r'<a href="#download" class="jsShowDownload">(?P<N>[^<]+)</a>'
    FILE_SIZE_PATTERN = r'<span id="fileSize">.*?(?P<S>[0-9.]+\s[kMG]?B)</span>'
    FILE_INFO_PATTERN = r'<p>File <strong>(?P<N>[^<]+)</strong> is password protected</p>'
    FILE_OFFLINE_PATTERN = r'<title>404 - Page not found</title>|<h1 class="h1">File (has been deleted|was banned)</h1>'
    FILE_SIZE_REPLACEMENTS = [('([0-9.]+)\s([kMG])B', convertDecimalPrefix)]
    FILE_URL_REPLACEMENTS = [(r"(?<=http://)([^/]+)", "www.ulozto.net")]

    PASSWD_PATTERN = r'<div class="passwordProtectedFile">'
    VIPLINK_PATTERN = r'<a href="[^"]*\?disclaimer=1" class="linkVip">'
    FREE_URL_PATTERN = r'<div class="freeDownloadForm"><form action="([^"]+)"'
    PREMIUM_URL_PATTERN = r'<div class="downloadForm"><form action="([^"]+)"'

    def setup(self):
        self.multiDL = self.premium 
        self.resumeDownload = True

    def process(self, pyfile):
        pyfile.url = re.sub(r"(?<=http://)([^/]+)", "www.ulozto.net", pyfile.url)
        self.html = self.load(pyfile.url, decode = True, cookies = True)

        passwords = self.getPassword().splitlines()
        while self.PASSWD_PATTERN in self.html:
            if passwords:
                password = passwords.pop(0)
                self.logInfo("Password protected link, trying " + password)
                self.html = self.load(pyfile.url, get = {"do": "passwordProtectedForm-submit"},
                    post={"password": password, "password_send": 'Send'}, cookies=True)
            else:
                self.fail("No or incorrect password")

        if re.search(self.VIPLINK_PATTERN, self.html):
            self.html = self.load(pyfile.url, get={"disclaimer": "1"})

        self.file_info = self.getFileInfo()

        if self.premium and self.checkTrafficLeft():
            self.handlePremium()
        else:
            self.handleFree()
            
        self.doCheckDownload()

    def handleFree(self):
        action, inputs = self.parseHtmlForm('id="frm-downloadDialog-freeDownloadForm"')
        if not action or not inputs:
            self.parseError("free download form") 
        
        # get and decrypt captcha
        captcha_id_field = captcha_text_field = None
        
        for key in inputs.keys():            
            found = re.match("captcha.*(id|text|value)", key)
            if found:
                if found.group(1) == "id":
                    captcha_id_field = key
                else:
                    captcha_text_field = key
                
        if not captcha_id_field or not captcha_text_field:
            self.parseError("CAPTCHA form changed")    
        
        """
        captcha_id = self.getStorage("captcha_id")
        captcha_text = self.getStorage("captcha_text")

        if not captcha_id or not captcha_text:
        """
        captcha_id = inputs[captcha_id_field]
        captcha_text = self.decryptCaptcha("http://img.uloz.to/captcha/%s.png" % captcha_id)

        self.logDebug(' CAPTCHA ID:' + captcha_id + ' CAPTCHA TEXT:' + captcha_text)
        
        """
        self.setStorage("captcha_id", captcha_id)
        self.setStorage("captcha_text", captcha_text)
        """
        self.multiDL = True

        inputs.update({captcha_id_field: captcha_id, captcha_text_field: captcha_text})
        
        self.download("http://www.ulozto.net" + action, post=inputs, cookies=True, disposition=True)

    def handlePremium(self):
        self.download(self.pyfile.url + "?do=directDownload", disposition=True)
        #parsed_url = self.findDownloadURL(premium=True)
        #self.download(parsed_url, post={"download": "Download"})

    def findDownloadURL(self, premium=False):
        msg = "%s link" % ("Premium" if premium else "Free")
        found = re.search(self.PREMIUM_URL_PATTERN if premium else self.FREE_URL_PATTERN, self.html)
        if not found: self.parseError(msg)
        parsed_url = "http://www.ulozto.net" + found.group(1)
        self.logDebug("%s: %s" % (msg, parsed_url))
        return parsed_url

    def doCheckDownload(self):
        check = self.checkDownload({
            "wrong_captcha": re.compile(r'<ul class="error">\s*<li>Error rewriting the text.</li>'),
            "offline": re.compile(self.FILE_OFFLINE_PATTERN),
            "passwd": self.PASSWD_PATTERN,
            "server_error": 'src="http://img.ulozto.cz/error403/vykricnik.jpg"', #paralell dl, server overload etc.
            "not_found": "<title>Ulož.to</title>"
        })

        if check == "wrong_captcha":
            self.delStorage("captcha_id")
            self.delStorage("captcha_text")
            self.invalidCaptcha()
            self.retry(reason="Wrong captcha code")
        elif check == "offline":
            self.offline()
        elif check == "passwd":
            self.fail("Wrong password")
        elif check == "server_error":
            self.logError("Server error, try downloading later")
            self.multiDL = False
            self.setWait(3600, True)
            self.wait()
            self.retry()
        elif check == "not_found":
            self.fail("Server error - file not downloadable")

getInfo = create_getInfo(UlozTo)