# 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 typing import Callable
from PyQt6.QtCore import QSize
from PyQt6.QtWidgets import QSpinBox, QVBoxLayout, QHBoxLayout, QLabel, QSizePolicy, QSpacerItem, QWidget, QCheckBox

from hscommon.trans import trget

from core.app import AppMode
from core.scanner import ScanType
from qt.preferences import Preferences

from qt.preferences_dialog import PreferencesDialogBase, Sections

tr = trget("ui")


class PreferencesDialog(PreferencesDialogBase):
    def _setupPreferenceWidgets(self) -> None:
        self._setupFilterHardnessBox()
        self.widgetsVLayout.addLayout(self.filterHardnessHLayout)
        self.widget = QWidget(self)
        self.widget.setMinimumSize(QSize(0, 136))
        self.verticalLayout_4 = QVBoxLayout(self.widget)
        self._setupAddCheckbox("wordWeightingBox", tr("Word weighting"), self.widget)
        self.verticalLayout_4.addWidget(self.wordWeightingBox)
        self._setupAddCheckbox("matchSimilarBox", tr("Match similar words"), self.widget)
        self.verticalLayout_4.addWidget(self.matchSimilarBox)
        self._setupAddCheckbox("mixFileKindBox", tr("Can mix file kind"), self.widget)
        self.verticalLayout_4.addWidget(self.mixFileKindBox)
        self._setupAddCheckbox("useRegexpBox", tr("Use regular expressions when filtering"), self.widget)
        self.verticalLayout_4.addWidget(self.useRegexpBox)
        self._setupAddCheckbox(
            "removeEmptyFoldersBox",
            tr("Remove empty folders on delete or move"),
            self.widget,
        )
        self.verticalLayout_4.addWidget(self.removeEmptyFoldersBox)
        self.horizontalLayout_2 = QHBoxLayout()
        self._setupAddCheckbox("ignoreSmallFilesBox", tr("Ignore files smaller than"), self.widget)
        self.horizontalLayout_2.addWidget(self.ignoreSmallFilesBox)
        self.sizeThresholdSpinBox = QSpinBox(self.widget)
        size_policy = QSizePolicy(QSizePolicy.Policy.Maximum, QSizePolicy.Policy.Fixed)
        size_policy.setHorizontalStretch(0)
        size_policy.setVerticalStretch(0)
        size_policy.setHeightForWidth(self.sizeThresholdSpinBox.sizePolicy().hasHeightForWidth())
        self.sizeThresholdSpinBox.setSizePolicy(size_policy)
        self.sizeThresholdSpinBox.setMaximumSize(QSize(300, 16777215))
        self.sizeThresholdSpinBox.setRange(0, 1000000)
        self.horizontalLayout_2.addWidget(self.sizeThresholdSpinBox)
        self.label_6 = QLabel(self.widget)
        self.label_6.setText(tr("KB"))
        self.horizontalLayout_2.addWidget(self.label_6)
        spacer_item1 = QSpacerItem(40, 20, QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Minimum)
        self.horizontalLayout_2.addItem(spacer_item1)
        self.verticalLayout_4.addLayout(self.horizontalLayout_2)
        self.horizontalLayout_2a = QHBoxLayout()
        self._setupAddCheckbox("ignoreLargeFilesBox", tr("Ignore files larger than"), self.widget)
        self.horizontalLayout_2a.addWidget(self.ignoreLargeFilesBox)
        self.sizeSaturationSpinBox = QSpinBox(self.widget)
        size_policy = QSizePolicy(QSizePolicy.Policy.Maximum, QSizePolicy.Policy.Fixed)
        self.sizeSaturationSpinBox.setSizePolicy(size_policy)
        self.sizeSaturationSpinBox.setMaximumSize(QSize(300, 16777215))
        self.sizeSaturationSpinBox.setRange(0, 1000000)
        self.horizontalLayout_2a.addWidget(self.sizeSaturationSpinBox)
        self.label_6a = QLabel(self.widget)
        self.label_6a.setText(tr("MB"))
        self.horizontalLayout_2a.addWidget(self.label_6a)
        spacer_item3 = QSpacerItem(40, 20, QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Minimum)
        self.horizontalLayout_2a.addItem(spacer_item3)
        self.verticalLayout_4.addLayout(self.horizontalLayout_2a)
        self.horizontalLayout_2b = QHBoxLayout()
        self._setupAddCheckbox(
            "bigFilePartialHashesBox",
            tr("Partially hash files bigger than"),
            self.widget,
        )
        self.horizontalLayout_2b.addWidget(self.bigFilePartialHashesBox)
        self.bigSizeThresholdSpinBox = QSpinBox(self.widget)
        self.bigSizeThresholdSpinBox.setSizePolicy(size_policy)
        self.bigSizeThresholdSpinBox.setMaximumSize(QSize(300, 16777215))
        self.bigSizeThresholdSpinBox.setRange(0, 1000000)
        self.horizontalLayout_2b.addWidget(self.bigSizeThresholdSpinBox)
        self.label_6b = QLabel(self.widget)
        self.label_6b.setText(tr("MB"))
        self.horizontalLayout_2b.addWidget(self.label_6b)
        spacer_item2 = QSpacerItem(40, 20, QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Minimum)
        self.horizontalLayout_2b.addItem(spacer_item2)
        self.verticalLayout_4.addLayout(self.horizontalLayout_2b)
        self._setupAddCheckbox(
            "ignoreHardlinkMatches",
            tr("Ignore duplicates hardlinking to the same file"),
            self.widget,
        )
        self.verticalLayout_4.addWidget(self.ignoreHardlinkMatches)
        self.widgetsVLayout.addWidget(self.widget)
        self._setupBottomPart()

    def _load(self, prefs: Preferences, setchecked: Callable[[QCheckBox, bool], None], section: Sections) -> None:
        setchecked(self.matchSimilarBox, prefs.match_similar)
        setchecked(self.wordWeightingBox, prefs.word_weighting)
        setchecked(self.ignoreSmallFilesBox, prefs.ignore_small_files)
        self.sizeThresholdSpinBox.setValue(prefs.small_file_threshold)
        setchecked(self.ignoreLargeFilesBox, prefs.ignore_large_files)
        self.sizeSaturationSpinBox.setValue(prefs.large_file_threshold)
        setchecked(self.bigFilePartialHashesBox, prefs.big_file_partial_hashes)
        self.bigSizeThresholdSpinBox.setValue(prefs.big_file_size_threshold)

        # Update UI state based on selected scan type
        scan_type = prefs.get_scan_type(AppMode.STANDARD)
        word_based = scan_type == ScanType.FILENAME
        self.filterHardnessSlider.setEnabled(word_based)
        self.matchSimilarBox.setEnabled(word_based)
        self.wordWeightingBox.setEnabled(word_based)

    def _save(self, prefs: Preferences, ischecked: Callable[[QCheckBox], bool]) -> None:
        prefs.match_similar = ischecked(self.matchSimilarBox)
        prefs.word_weighting = ischecked(self.wordWeightingBox)
        prefs.ignore_small_files = ischecked(self.ignoreSmallFilesBox)
        prefs.small_file_threshold = self.sizeThresholdSpinBox.value()
        prefs.ignore_large_files = ischecked(self.ignoreLargeFilesBox)
        prefs.large_file_threshold = self.sizeSaturationSpinBox.value()
        prefs.big_file_partial_hashes = ischecked(self.bigFilePartialHashesBox)
        prefs.big_file_size_threshold = self.bigSizeThresholdSpinBox.value()