# Copyright 2016 Hardcoded Software (http://www.hardcoded.net)
#
# This software is licensed under the "GPLv3" License as described in the "LICENSE" file,
# which should be included with this package. The terms are also available at
# http://www.gnu.org/licenses/gpl-3.0.html

from PyQt5.QtCore import QSize
from PyQt5.QtWidgets import (
    QVBoxLayout, QHBoxLayout, QLabel, QSizePolicy, QSpacerItem, QWidget,
)

from hscommon.trans import trget
from core.app import AppMode
from core.scanner import ScanType

from ..base.preferences_dialog import PreferencesDialogBase

tr = trget('ui')

class PreferencesDialog(PreferencesDialogBase):
    def _setupPreferenceWidgets(self):
        self._setupFilterHardnessBox()
        self.widgetsVLayout.addLayout(self.filterHardnessHLayout)
        self.widget = QWidget(self)
        self.widget.setMinimumSize(QSize(0, 40))
        self.verticalLayout_4 = QVBoxLayout(self.widget)
        self.verticalLayout_4.setSpacing(0)
        self.verticalLayout_4.setContentsMargins(0, 0, 0, 0)
        self.label_6 = QLabel(self.widget)
        self.label_6.setText(tr("Tags to scan:"))
        self.verticalLayout_4.addWidget(self.label_6)
        self.horizontalLayout_2 = QHBoxLayout()
        self.horizontalLayout_2.setSpacing(0)
        spacerItem1 = QSpacerItem(15, 20, QSizePolicy.Fixed, QSizePolicy.Minimum)
        self.horizontalLayout_2.addItem(spacerItem1)
        self._setupAddCheckbox('tagTrackBox', tr("Track"), self.widget)
        self.horizontalLayout_2.addWidget(self.tagTrackBox)
        self._setupAddCheckbox('tagArtistBox', tr("Artist"), self.widget)
        self.horizontalLayout_2.addWidget(self.tagArtistBox)
        self._setupAddCheckbox('tagAlbumBox', tr("Album"), self.widget)
        self.horizontalLayout_2.addWidget(self.tagAlbumBox)
        self._setupAddCheckbox('tagTitleBox', tr("Title"), self.widget)
        self.horizontalLayout_2.addWidget(self.tagTitleBox)
        self._setupAddCheckbox('tagGenreBox', tr("Genre"), self.widget)
        self.horizontalLayout_2.addWidget(self.tagGenreBox)
        self._setupAddCheckbox('tagYearBox', tr("Year"), self.widget)
        self.horizontalLayout_2.addWidget(self.tagYearBox)
        self.verticalLayout_4.addLayout(self.horizontalLayout_2)
        self.widgetsVLayout.addWidget(self.widget)
        self._setupAddCheckbox('wordWeightingBox', tr("Word weighting"))
        self.widgetsVLayout.addWidget(self.wordWeightingBox)
        self._setupAddCheckbox('matchSimilarBox', tr("Match similar words"))
        self.widgetsVLayout.addWidget(self.matchSimilarBox)
        self._setupAddCheckbox('mixFileKindBox', tr("Can mix file kind"))
        self.widgetsVLayout.addWidget(self.mixFileKindBox)
        self._setupAddCheckbox('useRegexpBox', tr("Use regular expressions when filtering"))
        self.widgetsVLayout.addWidget(self.useRegexpBox)
        self._setupAddCheckbox('removeEmptyFoldersBox', tr("Remove empty folders on delete or move"))
        self.widgetsVLayout.addWidget(self.removeEmptyFoldersBox)
        self._setupAddCheckbox('ignoreHardlinkMatches', tr("Ignore duplicates hardlinking to the same file"))
        self.widgetsVLayout.addWidget(self.ignoreHardlinkMatches)
        self._setupAddCheckbox('debugModeBox', tr("Debug mode (restart required)"))
        self.widgetsVLayout.addWidget(self.debugModeBox)
        self._setupBottomPart()

    def _load(self, prefs, setchecked):
        setchecked(self.tagTrackBox, prefs.scan_tag_track)
        setchecked(self.tagArtistBox, prefs.scan_tag_artist)
        setchecked(self.tagAlbumBox, prefs.scan_tag_album)
        setchecked(self.tagTitleBox, prefs.scan_tag_title)
        setchecked(self.tagGenreBox, prefs.scan_tag_genre)
        setchecked(self.tagYearBox, prefs.scan_tag_year)
        setchecked(self.matchSimilarBox, prefs.match_similar)
        setchecked(self.wordWeightingBox, prefs.word_weighting)

        # Update UI state based on selected scan type
        scan_type = prefs.get_scan_type(AppMode.Music)
        word_based = scan_type in (
            ScanType.Filename, ScanType.Fields, ScanType.FieldsNoOrder,
            ScanType.Tag
        )
        tag_based = scan_type == ScanType.Tag
        self.filterHardnessSlider.setEnabled(word_based)
        self.matchSimilarBox.setEnabled(word_based)
        self.wordWeightingBox.setEnabled(word_based)
        self.tagTrackBox.setEnabled(tag_based)
        self.tagArtistBox.setEnabled(tag_based)
        self.tagAlbumBox.setEnabled(tag_based)
        self.tagTitleBox.setEnabled(tag_based)
        self.tagGenreBox.setEnabled(tag_based)
        self.tagYearBox.setEnabled(tag_based)

    def _save(self, prefs, ischecked):
        prefs.scan_tag_track = ischecked(self.tagTrackBox)
        prefs.scan_tag_artist = ischecked(self.tagArtistBox)
        prefs.scan_tag_album = ischecked(self.tagAlbumBox)
        prefs.scan_tag_title = ischecked(self.tagTitleBox)
        prefs.scan_tag_genre = ischecked(self.tagGenreBox)
        prefs.scan_tag_year = ischecked(self.tagYearBox)
        prefs.match_similar = ischecked(self.matchSimilarBox)
        prefs.word_weighting = ischecked(self.wordWeightingBox)