"""A PyQT4 dialog to select specific issue from list"""
#
# Copyright 2012-2014 Anthony Beville
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import annotations

import logging

from PyQt5 import QtCore, QtGui, QtWidgets, uic

from comicapi.issuestring import IssueString
from comictaggerlib.coverimagewidget import CoverImageWidget
from comictaggerlib.settings import ComicTaggerSettings
from comictaggerlib.ui.qtutils import reduce_widget_font_size
from comictalker.comictalker import ComicTalker
from comictalker.resulttypes import ComicIssue
from comictalker.talkerbase import TalkerError

logger = logging.getLogger(__name__)


class IssueNumberTableWidgetItem(QtWidgets.QTableWidgetItem):
    def __lt__(self, other: object) -> bool:
        assert isinstance(other, QtWidgets.QTableWidgetItem)
        self_str: str = self.data(QtCore.Qt.ItemDataRole.DisplayRole)
        other_str: str = other.data(QtCore.Qt.ItemDataRole.DisplayRole)
        return (IssueString(self_str).as_float() or 0) < (IssueString(other_str).as_float() or 0)


class IssueSelectionWindow(QtWidgets.QDialog):
    volume_id = 0

    def __init__(
        self,
        parent: QtWidgets.QWidget,
        settings: ComicTaggerSettings,
        talker_api: ComicTalker,
        series_id: int,
        issue_number: str,
    ) -> None:
        super().__init__(parent)

        uic.loadUi(ComicTaggerSettings.get_ui_file("issueselectionwindow.ui"), self)

        self.coverWidget = CoverImageWidget(self.coverImageContainer, talker_api, CoverImageWidget.AltCoverMode)
        gridlayout = QtWidgets.QGridLayout(self.coverImageContainer)
        gridlayout.addWidget(self.coverWidget)
        gridlayout.setContentsMargins(0, 0, 0, 0)

        reduce_widget_font_size(self.twList)
        reduce_widget_font_size(self.teDescription, 1)

        self.setWindowFlags(
            QtCore.Qt.WindowType(
                self.windowFlags()
                | QtCore.Qt.WindowType.WindowSystemMenuHint
                | QtCore.Qt.WindowType.WindowMaximizeButtonHint
            )
        )

        self.series_id = series_id
        self.issue_id: int | None = None
        self.settings = settings
        self.talker_api = talker_api
        self.url_fetch_thread = None
        self.issue_list: list[ComicIssue] = []

        if issue_number is None or issue_number == "":
            self.issue_number = "1"
        else:
            self.issue_number = issue_number

        self.initial_id: int | None = None
        self.perform_query()

        self.twList.resizeColumnsToContents()
        self.twList.currentItemChanged.connect(self.current_item_changed)
        self.twList.cellDoubleClicked.connect(self.cell_double_clicked)

        # now that the list has been sorted, find the initial record, and
        # select it
        if self.initial_id is None:
            self.twList.selectRow(0)
        else:
            for r in range(0, self.twList.rowCount()):
                issue_id = self.twList.item(r, 0).data(QtCore.Qt.ItemDataRole.UserRole)
                if issue_id == self.initial_id:
                    self.twList.selectRow(r)
                    break

    def perform_query(self) -> None:

        QtWidgets.QApplication.setOverrideCursor(QtGui.QCursor(QtCore.Qt.CursorShape.WaitCursor))

        try:
            self.issue_list = self.talker_api.fetch_issues_by_volume(self.series_id)
        except TalkerError as e:
            QtWidgets.QApplication.restoreOverrideCursor()
            QtWidgets.QMessageBox.critical(
                self,
                f"{e.source} {e.code_name} Error",
                f"{e}",
            )
            return

        self.twList.setRowCount(0)

        self.twList.setSortingEnabled(False)

        row = 0
        for record in self.issue_list:
            self.twList.insertRow(row)

            item_text = record["issue_number"]
            item = IssueNumberTableWidgetItem(item_text)
            item.setData(QtCore.Qt.ItemDataRole.ToolTipRole, item_text)
            item.setData(QtCore.Qt.ItemDataRole.UserRole, record["id"])
            item.setData(QtCore.Qt.ItemDataRole.DisplayRole, item_text)
            item.setFlags(QtCore.Qt.ItemFlag.ItemIsSelectable | QtCore.Qt.ItemFlag.ItemIsEnabled)
            self.twList.setItem(row, 0, item)

            item_text = record["cover_date"]
            if item_text is None:
                item_text = ""
            # remove the day of "YYYY-MM-DD"
            parts = item_text.split("-")
            if len(parts) > 1:
                item_text = parts[0] + "-" + parts[1]

            qtw_item = QtWidgets.QTableWidgetItem(item_text)
            qtw_item.setData(QtCore.Qt.ItemDataRole.ToolTipRole, item_text)
            qtw_item.setFlags(QtCore.Qt.ItemFlag.ItemIsSelectable | QtCore.Qt.ItemFlag.ItemIsEnabled)
            self.twList.setItem(row, 1, qtw_item)

            item_text = record["name"]
            if item_text is None:
                item_text = ""
            qtw_item = QtWidgets.QTableWidgetItem(item_text)
            qtw_item.setData(QtCore.Qt.ItemDataRole.ToolTipRole, item_text)
            qtw_item.setFlags(QtCore.Qt.ItemFlag.ItemIsSelectable | QtCore.Qt.ItemFlag.ItemIsEnabled)
            self.twList.setItem(row, 2, qtw_item)

            if (
                IssueString(record["issue_number"]).as_string().casefold()
                == IssueString(self.issue_number).as_string().casefold()
            ):
                self.initial_id = record["id"]

            row += 1

        self.twList.setSortingEnabled(True)
        self.twList.sortItems(0, QtCore.Qt.SortOrder.AscendingOrder)

        QtWidgets.QApplication.restoreOverrideCursor()

    def cell_double_clicked(self, r: int, c: int) -> None:
        self.accept()

    def current_item_changed(self, curr: QtCore.QModelIndex | None, prev: QtCore.QModelIndex | None) -> None:

        if curr is None:
            return
        if prev is not None and prev.row() == curr.row():
            return

        self.issue_id = self.twList.item(curr.row(), 0).data(QtCore.Qt.ItemDataRole.UserRole)

        # list selection was changed, update the the issue cover
        for record in self.issue_list:
            if record["id"] == self.issue_id:
                self.issue_number = record["issue_number"]
                self.coverWidget.set_issue_id(self.issue_id)
                if record["description"] is None:
                    self.teDescription.setText("")
                else:
                    self.teDescription.setText(record["description"])

                break