# !/usr/bin/env python
#
# This file is part of aDBa.
#
# aDBa 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.
#
# aDBa 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 aDBa.  If not, see <http://www.gnu.org/licenses/>.

from threading import Lock
from aniDBresponses import *
from aniDBerrors import *


class Command:
    queue = {None: None}

    def __init__(self, command, **parameters):
        self.command = command
        self.parameters = parameters
        self.raw = self.flatten(command, parameters)

        self.mode = None
        self.callback = None
        self.waiter = Lock()
        self.waiter.acquire()

    def __repr__(self):
        return "Command(%s,%s) %s\n%s\n" % (repr(self.tag), repr(self.command), repr(self.parameters), self.raw_data())

    def authorize(self, mode, tag, session, callback):
        self.mode = mode
        self.callback = callback
        self.tag = tag
        self.session = session

        self.parameters['tag'] = tag
        self.parameters['s'] = session

    def handle(self, resp):
        self.resp = resp
        if self.mode == 1:
            self.waiter.release()
        elif self.mode == 2:
            self.callback(resp)

    def wait_response(self):
        self.waiter.acquire()

    def flatten(self, command, parameters):
        tmp = []
        for key, value in parameters.iteritems():
            if value == None:
                continue
            tmp.append("%s=%s" % (self.escape(key), self.escape(value)))
        return ' '.join([command, '&'.join(tmp)])

    def escape(self, data):
        return str(data).replace('&', '&amp;')

    def raw_data(self):
        self.raw = self.flatten(self.command, self.parameters)
        return self.raw

    def cached(self, interface, database):
        return None

    def cache(self, interface, database):
        pass


#first run
class AuthCommand(Command):
    def __init__(self, username, password, protover, client, clientver, nat=None, comp=None, enc=None, mtu=None):
        parameters = {'user': username, 'pass': password, 'protover': protover, 'client': client,
                      'clientver': clientver, 'nat': nat, 'comp': comp, 'enc': enc, 'mtu': mtu}
        Command.__init__(self, 'AUTH', **parameters)


class LogoutCommand(Command):
    def __init__(self):
        Command.__init__(self, 'LOGOUT')


#third run (at the same time as second)
class PushCommand(Command):
    def __init__(self, notify, msg, buddy=None):
        parameters = {'notify': notify, 'msg': msg, 'buddy': buddy}
        Command.__init__(self, 'PUSH', **parameters)


class PushAckCommand(Command):
    def __init__(self, nid):
        parameters = {'nid': nid}
        Command.__init__(self, 'PUSHACK', **parameters)


class NotifyAddCommand(Command):
    def __init__(self, aid=None, gid=None, type=None, priority=None):
        if not (aid or gid) or (aid and gid):
            raise AniDBIncorrectParameterError, "You must provide aid OR gid for NOTIFICATIONADD command"
        parameters = {'aid': aid, "gid": gid, "type": type, "priority": priority}
        Command.__init__(self, 'NOTIFICATIONADD', **parameters)


class NotifyCommand(Command):
    def __init__(self, buddy=None):
        parameters = {'buddy': buddy}
        Command.__init__(self, 'NOTIFY', **parameters)


class NotifyListCommand(Command):
    def __init__(self):
        Command.__init__(self, 'NOTIFYLIST')


class NotifyGetCommand(Command):
    def __init__(self, type, id):
        parameters = {'type': type, 'id': id}
        Command.__init__(self, 'NOTIFYGET', **parameters)


class NotifyAckCommand(Command):
    def __init__(self, type, id):
        parameters = {'type': type, 'id': id}
        Command.__init__(self, 'NOTIFYACK', **parameters)


class BuddyAddCommand(Command):
    def __init__(self, uid=None, uname=None):
        if not (uid or uname) or (uid and uname):
            raise AniDBIncorrectParameterError, "You must provide <u(id|name)> for BUDDYADD command"
        parameters = {'uid': uid, 'uname': uname.lower()}
        Command.__init__(self, 'BUDDYADD', **parameters)


class BuddyDelCommand(Command):
    def __init__(self, uid):
        parameters = {'uid': uid}
        Command.__init__(self, 'BUDDYDEL', **parameters)


class BuddyAcceptCommand(Command):
    def __init__(self, uid):
        parameters = {'uid': uid}
        Command.__init__(self, 'BUDDYACCEPT', **parameters)


class BuddyDenyCommand(Command):
    def __init__(self, uid):
        parameters = {'uid': uid}
        Command.__init__(self, 'BUDDYDENY', **parameters)


class BuddyListCommand(Command):
    def __init__(self, startat):
        parameters = {'startat': startat}
        Command.__init__(self, 'BUDDYLIST', **parameters)


class BuddyStateCommand(Command):
    def __init__(self, startat):
        parameters = {'startat': startat}
        Command.__init__(self, 'BUDDYSTATE', **parameters)


#first run
class AnimeCommand(Command):
    def __init__(self, aid=None, aname=None, amask=None):
        if not (aid or aname):
            raise AniDBIncorrectParameterError, "You must provide <a(id|name)> for ANIME command"
        parameters = {'aid': aid, 'aname': aname, 'amask': amask}
        Command.__init__(self, 'ANIME', **parameters)


class EpisodeCommand(Command):
    def __init__(self, eid=None, aid=None, aname=None, epno=None):
        if not (eid or ((aname or aid) and epno)) or (aname and aid) or (eid and (aname or aid or epno)):
            raise AniDBIncorrectParameterError, "You must provide <eid XOR a(id|name)+epno> for EPISODE command"
        parameters = {'eid': eid, 'aid': aid, 'aname': aname, 'epno': epno}
        Command.__init__(self, 'EPISODE', **parameters)


class FileCommand(Command):
    def __init__(self, fid=None, size=None, ed2k=None, aid=None, aname=None, gid=None, gname=None, epno=None,
                 fmask=None, amask=None):
        if not (fid or (size and ed2k) or ((aid or aname) and (gid or gname) and epno)) or (
            fid and (size or ed2k or aid or aname or gid or gname or epno)) or (
            (size and ed2k) and (fid or aid or aname or gid or gname or epno)) or (
            ((aid or aname) and (gid or gname) and epno) and (fid or size or ed2k)) or (aid and aname) or (
            gid and gname):
            raise AniDBIncorrectParameterError, "You must provide <fid XOR size+ed2k XOR a(id|name)+g(id|name)+epno> for FILE command"
        parameters = {'fid': fid, 'size': size, 'ed2k': ed2k, 'aid': aid, 'aname': aname, 'gid': gid, 'gname': gname,
                      'epno': epno, 'fmask': fmask, 'amask': amask}
        Command.__init__(self, 'FILE', **parameters)


class GroupCommand(Command):
    def __init__(self, gid=None, gname=None):
        if not (gid or gname) or (gid and gname):
            raise AniDBIncorrectParameterError, "You must provide <g(id|name)> for GROUP command"
        parameters = {'gid': gid, 'gname': gname}
        Command.__init__(self, 'GROUP', **parameters)


class GroupstatusCommand(Command):
    def __init__(self, aid=None, status=None):
        if not aid:
            raise AniDBIncorrectParameterError, "You must provide aid for GROUPSTATUS command"
        parameters = {'aid': aid, 'status': status}
        Command.__init__(self, 'GROUPSTATUS', **parameters)


class ProducerCommand(Command):
    def __init__(self, pid=None, pname=None):
        if not (pid or pname) or (pid and pname):
            raise AniDBIncorrectParameterError, "You must provide <p(id|name)> for PRODUCER command"
        parameters = {'pid': pid, 'pname': pname}
        Command.__init__(self, 'PRODUCER', **parameters)

    def cached(self, intr, db):
        pid = self.parameters['pid']
        pname = self.parameters['pname']

        codes = ('pid', 'name', 'shortname', 'othername', 'type', 'pic', 'url')
        names = ','.join([code for code in codes if code != ''])
        ruleholder = (pid and 'pid=%s' or '(name=%s OR shortname=%s OR othername=%s)')
        rulevalues = (pid and [pid] or [pname, pname, pname])

        rows = db.select('ptb', names, ruleholder + " AND status&8", *rulevalues)

        if len(rows) > 1:
            raise AniDBInternalError, "It shouldn't be possible for database to return more than 1 line for PRODUCER cache"
        elif not len(rows):
            return None
        else:
            resp = ProducerResponse(self, None, '245', 'CACHED PRODUCER', [list(rows[0])])
            resp.parse()
            return resp

    def cache(self, intr, db):
        if self.resp.rescode != '245' or self.cached(intr, db):
            return

        codes = ('pid', 'name', 'shortname', 'othername', 'type', 'pic', 'url')
        if len(db.select('ptb', 'pid', 'pid=%s', self.resp.datalines[0]['pid'])):
            sets = 'status=status|15,' + ','.join([code + '=%s' for code in codes if code != ''])
            values = [self.resp.datalines[0][code] for code in codes if code != ''] + [self.resp.datalines[0]['pid']]

            db.update('ptb', sets, 'pid=%s', *values)
        else:
            names = 'status,' + ','.join([code for code in codes if code != ''])
            valueholders = '0,' + ','.join(['%s' for code in codes if code != ''])
            values = [self.resp.datalines[0][code] for code in codes if code != '']

            db.insert('ptb', names, valueholders, *values)


class MyListCommand(Command):
    def __init__(self, lid=None, fid=None, size=None, ed2k=None, aid=None, aname=None, gid=None, gname=None, epno=None):
        if not (lid or fid or (size and ed2k) or (aid or aname)) or (
            lid and (fid or size or ed2k or aid or aname or gid or gname or epno)) or (
            fid and (lid or size or ed2k or aid or aname or gid or gname or epno)) or (
            (size and ed2k) and (lid or fid or aid or aname or gid or gname or epno)) or (
            (aid or aname) and (lid or fid or size or ed2k)) or (aid and aname) or (gid and gname):
            raise AniDBIncorrectParameterError, "You must provide <lid XOR fid XOR size+ed2k XOR a(id|name)+g(id|name)+epno> for MYLIST command"
        parameters = {'lid': lid, 'fid': fid, 'size': size, 'ed2k': ed2k, 'aid': aid, 'aname': aname, 'gid': gid,
                      'gname': gname, 'epno': epno}
        Command.__init__(self, 'MYLIST', **parameters)

    def cached(self, intr, db):
        lid = self.parameters['lid']
        fid = self.parameters['fid']
        size = self.parameters['size']
        ed2k = self.parameters['ed2k']
        aid = self.parameters['aid']
        aname = self.parameters['aname']
        gid = self.parameters['gid']
        gname = self.parameters['gname']
        epno = self.parameters['epno']

        names = ','.join([code for code in MylistResponse(None, None, None, None, []).codetail if code != ''])

        if lid:
            ruleholder = "lid=%s"
            rulevalues = [lid]
        elif fid or size or ed2k:
            resp = intr.file(fid=fid, size=size, ed2k=ed2k)
            if resp.rescode != '220':
                resp = NoSuchMylistResponse(self, None, '321', 'NO SUCH ENTRY (FILE NOT FOUND)', [])
                resp.parse()
                return resp
            fid = resp.datalines[0]['fid']

            ruleholder = "fid=%s"
            rulevalues = [fid]
        else:
            resp = intr.anime(aid=aid, aname=aname)
            if resp.rescode != '230':
                resp = NoSuchFileResponse(self, None, '321', 'NO SUCH ENTRY (ANIME NOT FOUND)', [])
                resp.parse()
                return resp
            aid = resp.datalines[0]['aid']

            resp = intr.group(gid=gid, gname=gname)
            if resp.rescode != '250':
                resp = NoSuchFileResponse(self, None, '321', 'NO SUCH ENTRY (GROUP NOT FOUND)', [])
                resp.parse()
                return resp
            gid = resp.datalines[0]['gid']

            resp = intr.episode(aid=aid, epno=epno)
            if resp.rescode != '240':
                resp = NoSuchFileResponse(self, None, '321', 'NO SUCH ENTRY (EPISODE NOT FOUND)', [])
                resp.parse()
                return resp
            eid = resp.datalines[0]['eid']

            ruleholder = "aid=%s AND eid=%s AND gid=%s"
            rulevalues = [aid, eid, gid]

        rows = db.select('ltb', names, ruleholder + " AND status&8", *rulevalues)

        if len(rows) > 1:
            #resp=MultipleFilesFoundResponse(self,None,'322','CACHED MULTIPLE FILES FOUND',/*get fids from rows, not gonna do this as you haven't got a real cache out of these..*/)
            return None
        elif not len(rows):
            return None
        else:
            resp = MylistResponse(self, None, '221', 'CACHED MYLIST', [list(rows[0])])
            resp.parse()
            return resp

    def cache(self, intr, db):
        if self.resp.rescode != '221' or self.cached(intr, db):
            return

        codes = MylistResponse(None, None, None, None, []).codetail
        if len(db.select('ltb', 'lid', 'lid=%s', self.resp.datalines[0]['lid'])):
            sets = 'status=status|15,' + ','.join([code + '=%s' for code in codes if code != ''])
            values = [self.resp.datalines[0][code] for code in codes if code != ''] + [self.resp.datalines[0]['lid']]

            db.update('ltb', sets, 'lid=%s', *values)
        else:
            names = 'status,' + ','.join([code for code in codes if code != ''])
            valueholders = '15,' + ','.join(['%s' for code in codes if code != ''])
            values = [self.resp.datalines[0][code] for code in codes if code != '']

            db.insert('ltb', names, valueholders, *values)


class MyListAddCommand(Command):
    def __init__(self, lid=None, fid=None, size=None, ed2k=None, aid=None, aname=None, gid=None, gname=None, epno=None,
                 edit=None, state=None, viewed=None, source=None, storage=None, other=None):
        if not (lid or fid or (size and ed2k) or ((aid or aname) and (gid or gname))) or (
            lid and (fid or size or ed2k or aid or aname or gid or gname or epno)) or (
            fid and (lid or size or ed2k or aid or aname or gid or gname or epno)) or (
            (size and ed2k) and (lid or fid or aid or aname or gid or gname or epno)) or (
            ((aid or aname) and (gid or gname)) and (lid or fid or size or ed2k)) or (aid and aname) or (
            gid and gname) or (lid and not edit):
            raise AniDBIncorrectParameterError, "You must provide <lid XOR fid XOR size+ed2k XOR a(id|name)+g(id|name)+epno> for MYLISTADD command"
        parameters = {'lid': lid, 'fid': fid, 'size': size, 'ed2k': ed2k, 'aid': aid, 'aname': aname, 'gid': gid,
                      'gname': gname, 'epno': epno, 'edit': edit, 'state': state, 'viewed': viewed, 'source': source,
                      'storage': storage, 'other': other}
        Command.__init__(self, 'MYLISTADD', **parameters)


class MyListDelCommand(Command):
    def __init__(self, lid=None, fid=None, aid=None, aname=None, gid=None, gname=None, epno=None):
        if not (lid or fid or ((aid or aname) and (gid or gname) and epno)) or (
            lid and (fid or aid or aname or gid or gname or epno)) or (
            fid and (lid or aid or aname or gid or gname or epno)) or (
            ((aid or aname) and (gid or gname) and epno) and (lid or fid)) or (aid and aname) or (gid and gname):
            raise AniDBIncorrectParameterError, "You must provide <lid+edit=1 XOR fid XOR a(id|name)+g(id|name)+epno> for MYLISTDEL command"
        parameters = {'lid': lid, 'fid': fid, 'aid': aid, 'aname': aname, 'gid': gid, 'gname': gname, 'epno': epno}
        Command.__init__(self, 'MYLISTDEL', **parameters)


class MyListStatsCommand(Command):
    def __init__(self):
        Command.__init__(self, 'MYLISTSTATS')


class VoteCommand(Command):
    def __init__(self, type, id=None, name=None, value=None, epno=None):
        if not (id or name) or (id and name):
            raise AniDBIncorrectParameterError, "You must provide <(id|name)> for VOTE command"
        parameters = {'type': type, 'id': id, 'name': name, 'value': value, 'epno': epno}
        Command.__init__(self, 'VOTE', **parameters)


class RandomAnimeCommand(Command):
    def __init__(self, type):
        parameters = {'type': type}
        Command.__init__(self, 'RANDOMANIME', **parameters)


class PingCommand(Command):
    def __init__(self):
        Command.__init__(self, 'PING')


#second run
class EncryptCommand(Command):
    def __init__(self, user, apipassword, type):
        self.apipassword = apipassword
        parameters = {'user': user.lower(), 'type': type}
        Command.__init__(self, 'ENCRYPT', **parameters)


class EncodingCommand(Command):
    def __init__(self, name):
        parameters = {'name': type}
        Command.__init__(self, 'ENCODING', **parameters)


class SendMsgCommand(Command):
    def __init__(self, to, title, body):
        if len(title) > 50 or len(body) > 900:
            raise AniDBIncorrectParameterError, "Title must not be longer than 50 chars and body must not be longer than 900 chars for SENDMSG command"
        parameters = {'to': to.lower(), 'title': title, 'body': body}
        Command.__init__(self, 'SENDMSG', **parameters)


class UserCommand(Command):
    def __init__(self, user):
        parameters = {'user': user}
        Command.__init__(self, 'USER', **parameters)


class UptimeCommand(Command):
    def __init__(self):
        Command.__init__(self, 'UPTIME')


class VersionCommand(Command):
    def __init__(self):
        Command.__init__(self, 'VERSION')

