from couchpotato import get_session
from couchpotato.api import addApiView
from couchpotato.core.event import addEvent, fireEvent
from couchpotato.core.helpers.encoding import toUnicode
from couchpotato.core.helpers.request import jsonified, getParams
from couchpotato.core.helpers.variable import mergeDicts
from couchpotato.core.logger import CPLog
from couchpotato.core.plugins.base import Plugin
from couchpotato.core.settings.model import Quality, Profile, ProfileType
import os.path
import re

log = CPLog(__name__)


class QualityPlugin(Plugin):

    qualities = [
        {'identifier': 'bd50', 'size': (15000, 60000), 'label': 'BR-Disk', 'width': 1920, 'alternative': ['bd25'], 'allow': ['1080p'], 'ext':[], 'tags': ['bdmv', 'certificate']},
        {'identifier': '1080p', 'size': (5000, 20000), 'label': '1080P', 'width': 1920, 'alternative': [], 'allow': [], 'ext':['mkv', 'm2ts']},
        {'identifier': '720p', 'size': (3500, 10000), 'label': '720P', 'width': 1280, 'alternative': [], 'allow': [], 'ext':['mkv', 'm2ts']},
        {'identifier': 'brrip', 'size': (700, 7000), 'label': 'BR-Rip', 'alternative': ['bdrip'], 'allow': ['720p'], 'ext':['avi']},
        {'identifier': 'dvdr', 'size': (3000, 10000), 'label': 'DVD-R', 'alternative': [], 'allow': [], 'ext':['iso', 'img'], 'tags': ['pal', 'ntsc', 'video_ts', 'audio_ts']},
        {'identifier': 'dvdrip', 'size': (600, 2400), 'label': 'DVD-Rip', 'alternative': ['dvdrip'], 'allow': [], 'ext':['avi', 'mpg', 'mpeg']},
        {'identifier': 'scr', 'size': (600, 1600), 'label': 'Screener', 'alternative': ['dvdscr', 'ppvrip'], 'allow': ['dvdr'], 'ext':['avi', 'mpg', 'mpeg']},
        {'identifier': 'r5', 'size': (600, 1000), 'label': 'R5', 'alternative': [], 'allow': ['dvdr'], 'ext':['avi', 'mpg', 'mpeg']},
        {'identifier': 'tc', 'size': (600, 1000), 'label': 'TeleCine', 'alternative': ['telecine'], 'allow': [], 'ext':['avi', 'mpg', 'mpeg']},
        {'identifier': 'ts', 'size': (600, 1000), 'label': 'TeleSync', 'alternative': ['telesync'], 'allow': [], 'ext':['avi', 'mpg', 'mpeg']},
        {'identifier': 'cam', 'size': (600, 1000), 'label': 'Cam', 'alternative': [], 'allow': [], 'ext':['avi', 'mpg', 'mpeg']}
    ]
    pre_releases = ['cam', 'ts', 'tc', 'r5', 'scr']

    def __init__(self):
        addEvent('quality.all', self.all)
        addEvent('quality.single', self.single)
        addEvent('quality.guess', self.guess)

        addApiView('quality.size.save', self.saveSize)

        addEvent('app.initialize', self.fill, priority = 10)

    def all(self):

        db = get_session()

        qualities = db.query(Quality).all()

        temp = []
        for quality in qualities:
            q = mergeDicts(self.getQuality(quality.identifier), quality.to_dict())
            temp.append(q)

        return temp

    def single(self, identifier = ''):

        db = get_session()
        quality_dict = {}

        quality = db.query(Quality).filter_by(identifier = identifier).first()
        if quality:
            quality_dict = dict(self.getQuality(quality.identifier), **quality.to_dict())

        return quality_dict

    def getQuality(self, identifier):

        for q in self.qualities:
            if identifier == q.get('identifier'):
                return q

    def saveSize(self):

        params = getParams()

        db = get_session()
        quality = db.query(Quality).filter_by(identifier = params.get('identifier')).first()

        if quality:
            setattr(quality, params.get('value_type'), params.get('value'))
            db.commit()

        return jsonified({
            'success': True
        })

    def fill(self):

        db = get_session();

        order = 0
        for q in self.qualities:

            # Create quality
            quality = db.query(Quality).filter_by(identifier = q.get('identifier')).first()

            if not quality:
                log.info('Creating quality: %s' % q.get('label'))
                quality = Quality()
                db.add(quality)

            quality.order = order
            quality.identifier = q.get('identifier')
            quality.label = q.get('label')
            quality.size_min, quality.size_max = q.get('size')

            # Create single quality profile
            profile = db.query(Profile).filter(
                    Profile.core == True
                ).filter(
                    Profile.types.any(quality = quality)
                ).all()

            if not profile:
                log.info('Creating profile: %s' % q.get('label'))
                profile = Profile(
                    core = True,
                    label = toUnicode(quality.label),
                    order = order
                )
                db.add(profile)

                profile_type = ProfileType(
                    quality = quality,
                    profile = profile,
                    finish = True,
                    order = 0
                )
                profile.types.append(profile_type)

            order += 1
            db.commit()

        return True

    def guess(self, files, extra = {}, loose = False):

        for file in files:
            size = (os.path.getsize(file) / 1024 / 1024) if os.path.isfile(file) else 0
            words = re.split('\W+', file.lower())

            for quality in self.all():

                # Check tags
                if quality['identifier'] in words:
                    log.debug('Found via identifier "%s" in %s' % (quality['identifier'], file))
                    return quality

                if list(set(quality.get('alternative', [])) & set(words)):
                    log.debug('Found %s via alt %s in %s' % (quality['identifier'], quality.get('alternative'), file))
                    return quality

                if list(set(quality.get('tags', [])) & set(words)):
                    log.debug('Found %s via tag %s in %s' % (quality['identifier'], quality.get('tags'), file))
                    return quality

                # Check on unreliable stuff
                if loose:
                    # Check extension + filesize
                    if list(set(quality.get('ext', [])) & set(words)) and size >= quality['size_min'] and size <= quality['size_max']:
                        log.debug('Found %s via ext %s in %s' % (quality['identifier'], quality.get('ext'), words))
                        return quality

                    # Last check on resolution only
                    if quality.get('width', 480) == extra.get('resolution_width', 0):
                        log.debug('Found %s via resolution_width: %s == %s' % (quality['identifier'], quality.get('width', 480), extra.get('resolution_width', 0)))
                        return quality


        # Try again with loose testing
        quality = self.guess(files, extra = extra, loose = True)
        if quality:
            return quality

        log.error('Could not identify quality for: %s' % files)
        return {}