# Created On: 2011/09/20
# Copyright 2011 Hardcoded Software (http://www.hardcoded.net)
# 
# This software is licensed under the "BSD" License as described in the "LICENSE" file, 
# which should be included with this package. The terms are also available at 
# http://www.hardcoded.net/licenses/bsd_license

from hscommon.trans import tr as trbase
from hscommon.util import format_size, format_time

from core.app import (DupeGuru as DupeGuruBase, Column, format_timestamp,
    format_perc, format_words, format_dupe_count, cmp_value)
from . import prioritize
from . import __appname__

tr = lambda s: trbase(s, 'columns')

class DupeGuru(DupeGuruBase):
    NAME = __appname__
    COLUMNS = [
        Column('name', tr("Filename")),
        Column('folder_path', tr("Folder")),
        Column('size', tr("Size (MB)")),
        Column('duration', tr("Time")),
        Column('bitrate', tr("Bitrate")),
        Column('samplerate', tr("Sample Rate")),
        Column('extension', tr("Kind")),
        Column('mtime', tr("Modification")),
        Column('title', tr("Title")),
        Column('artist', tr("Artist")),
        Column('album', tr("Album")),
        Column('genre', tr("Genre")),
        Column('year', tr("Year")),
        Column('track', tr("Track Number")),
        Column('comment', tr("Comment")),
        Column('percentage', tr("Match %")),
        Column('words', tr("Words Used")),
        Column('dupe_count', tr("Dupe Count")),
    ]
    DELTA_COLUMNS = {2, 3, 4, 5, 7}
    METADATA_TO_READ = ['size', 'mtime', 'duration', 'bitrate', 'samplerate', 'title', 'artist',
        'album', 'genre', 'year', 'track', 'comment']
    MATCHPERC_COL = 15
    DUPECOUNT_COL = 17
    
    def __init__(self, view, appdata):
        DupeGuruBase.__init__(self, view, appdata)
    
    def _get_display_info(self, dupe, group, delta):
        size = dupe.size
        duration = dupe.duration
        bitrate = dupe.bitrate
        samplerate = dupe.samplerate
        mtime = dupe.mtime
        m = group.get_match_of(dupe)
        if m:
            percentage = m.percentage
            dupe_count = 0
            if delta:
                r = group.ref
                size -= r.size
                duration -= r.duration
                bitrate -= r.bitrate
                samplerate -= r.samplerate
                mtime -= r.mtime
        else:
            percentage = group.percentage
            dupe_count = len(group.dupes)
        return [
            dupe.name,
            str(dupe.folder_path),
            format_size(size, 2, 2, False),
            format_time(duration, with_hours=False),
            str(bitrate),
            str(samplerate),
            dupe.extension,
            format_timestamp(mtime,delta and m),
            dupe.title,
            dupe.artist,
            dupe.album,
            dupe.genre,
            dupe.year,
            str(dupe.track),
            dupe.comment,
            format_perc(percentage),
            format_words(dupe.words) if hasattr(dupe, 'words') else '',
            format_dupe_count(dupe_count)
        ]
    
    def _get_dupe_sort_key(self, dupe, get_group, key, delta):
        if key == self.MATCHPERC_COL:
            m = get_group().get_match_of(dupe)
            return m.percentage
        if key == self.DUPECOUNT_COL:
            return 0
        r = cmp_value(getattr(dupe, self.COLUMNS[key].attr, ''))
        if delta and (key in self.DELTA_COLUMNS):
            r -= cmp_value(getattr(get_group().ref, self.COLUMNS[key].attr, ''))
        return r
    
    def _get_group_sort_key(self, group, key):
        if key == self.MATCHPERC_COL:
            return group.percentage
        if key == self.DUPECOUNT_COL:
            return len(group)
        return cmp_value(getattr(group.ref, self.COLUMNS[key].attr, ''))
    
    def _prioritization_categories(self):
        return prioritize.all_categories()