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

import codecs

from module.plugins.internal.Container import Container
from module.plugins.internal.utils import encode


class TXT(Container):
    __name__    = "TXT"
    __type__    = "container"
    __version__ = "0.17"
    __status__  = "testing"

    __pattern__ = r'.+\.(txt|text)$'
    __config__  = [("activated", "bool", "Activated", True),
                   ("flush"   , "bool"  , "Flush list after adding", False  ),
                   ("encoding", "string", "File encoding"          , "utf-8")]

    __description__ = """Read link lists in plain text formats"""
    __license__     = "GPLv3"
    __authors__     = [("spoob", "spoob@pyload.org"),
                       ("jeix", "jeix@hasnomail.com")]


    def decrypt(self, pyfile):
        try:
            encoding = codecs.lookup(self.get_config('encoding')).name

        except Exception:
            encoding = "utf-8"

        fs_filename = encode(pyfile.url.strip())
        txt         = codecs.open(fs_filename, 'r', encoding)
        curPack     = "Parsed links from %s" % pyfile.name
        packages    = {curPack:[],}

        for link in txt.readlines():
            link = link.strip()

            if not link:
                continue

            if link.startswith(";"):
                continue

            if link.startswith("[") and link.endswith("]"):
                #: New package
                curPack = link[1:-1]
                packages[curPack] = []
                continue

            packages[curPack].append(link)

        txt.close()

        #: Empty packages fix
        for key, value in packages.items():
            if not value:
                packages.pop(key, None)

        if self.get_config('flush'):
            try:
                txt = open(fs_filename, 'wb')
                txt.close()

            except IOError:
                self.log_warning(_("Failed to flush list"))

        for name, links in packages.items():
            self.packages.append((name, links, name))