# -*- coding: utf-8 -*-
"""
Copyright (c) 2026 KenanZhu.
All rights reserved.

This software is provided "as is", without any warranty of any kind.
You may use, modify, and distribute this file under the terms of the MIT License.
See the LICENSE file for details.
"""
from datetime import datetime

from PySide6.QtCore import Slot, Qt
from PySide6.QtWidgets import (
    QDialog, QTableWidget, QTableWidgetItem,
    QVBoxLayout, QHBoxLayout, QGridLayout,
    QPushButton, QLabel, QHeaderView
)

from gui.ALTimerTaskAddDialog import ALTimerTaskStatus


class ALTimerTaskHistoryDialog(QDialog):

    def __init__(
        self,
        parent = None,
        task_data: dict = None
    ):

        super().__init__(parent)
        self.__task_data = task_data
        self.__history = task_data.get("repeat_history", [])

        self.setupUi()
        self.connectSignals()

    def setupUi(
        self
    ):

        self.setWindowTitle("定时任务执行历史 - AutoLibrary")
        self.setMinimumSize(300, 300)
        self.setMaximumSize(500, 400)

        MainLayout = QVBoxLayout(self)
        InfoLayout = QGridLayout()
        TaskNameLabel = QLabel(f"任务: {self.__task_data.get('name', '未命名')}")
        TaskNameLabel.setStyleSheet("font-weight: bold; font-size: 12px;")
        InfoLayout.addWidget(TaskNameLabel, 0, 0)
        TaskUUIDLabel = QLabel(f"UUID: {self.__task_data.get('uuid', '未命名')}")
        TaskUUIDLabel.setStyleSheet("color: #969696; font-size: 11px;")
        InfoLayout.addWidget(TaskUUIDLabel, 1, 0)
        InfoLayout.setColumnStretch(0, 1)

        if self.__task_data.get("repeat", False):
            RepeatLabel = QLabel("可重复性任务")
            RepeatLabel.setStyleSheet("color: #2294FF; font-size: 12px;")
            InfoLayout.addWidget(RepeatLabel, 0, 1)
        MainLayout.addLayout(InfoLayout)
        self.HistoryTableWidget = QTableWidget()
        self.HistoryTableWidget.setColumnCount(3)
        self.HistoryTableWidget.setHorizontalHeaderLabels(["执行时间", "结果", "耗时（秒/s）"])
        self.HistoryTableWidget.horizontalHeader().setSectionResizeMode(0, QHeaderView.ResizeMode.Stretch)
        self.HistoryTableWidget.horizontalHeader().setSectionResizeMode(1, QHeaderView.ResizeMode.ResizeToContents)
        self.HistoryTableWidget.horizontalHeader().setSectionResizeMode(2, QHeaderView.ResizeMode.Stretch)
        self.HistoryTableWidget.verticalHeader().setVisible(False)
        self.HistoryTableWidget.setEditTriggers(QTableWidget.EditTrigger.NoEditTriggers)
        self.HistoryTableWidget.setSelectionBehavior(QTableWidget.SelectionBehavior.SelectRows)
        self.loadHistory()
        MainLayout.addWidget(self.HistoryTableWidget)

        ButtonLayout = QHBoxLayout()
        ButtonLayout.addStretch()
        self.CloseButton = QPushButton("关闭")
        self.CloseButton.setFixedSize(80, 25)
        self.CloseButton.setDefault(True)
        self.ClearHistoryButton = QPushButton("清空历史")
        self.ClearHistoryButton.setFixedSize(80, 25)
        self.ClearHistoryButton.setStyleSheet("color: #DC0000;")
        ButtonLayout.addWidget(self.ClearHistoryButton)
        ButtonLayout.addWidget(self.CloseButton)
        MainLayout.addLayout(ButtonLayout)

    def connectSignals(
        self
    ):

        self.CloseButton.clicked.connect(self.accept)
        self.ClearHistoryButton.clicked.connect(self.onClearHistoryButtonClicked)

    def loadHistory(
        self
    ):

        self.HistoryTableWidget.setRowCount(len(self.__history))
        for row, record in enumerate(self.__history):
            self.addHistoryRow(row, record)

    def getHistory(
        self
    ) -> list:

        return self.__history

    def addHistoryRow(
        self,
        row: int,
        record: dict
    ):

        execute_time = record.get("execute_time", "")
        result = record.get("result", ALTimerTaskStatus.UNKNOWN)
        duration = record.get("duration", 0)
        ExecuteTimeItem = QTableWidgetItem(execute_time)
        ExecuteTimeItem.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
        self.HistoryTableWidget.setItem(row, 0, ExecuteTimeItem)
        ResultItem = QTableWidgetItem(result.value)
        ResultItem.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
        match result:
            case ALTimerTaskStatus.EXECUTED:
                ResultItem.setForeground(Qt.GlobalColor.green)
            case ALTimerTaskStatus.ERROR:
                ResultItem.setForeground(Qt.GlobalColor.red)
            case ALTimerTaskStatus.OUTDATED:
                ResultItem.setForeground(Qt.GlobalColor.red)
            case _:
                ResultItem.setForeground(Qt.GlobalColor.black)
        self.HistoryTableWidget.setItem(row, 1, ResultItem)
        DurationItem = QTableWidgetItem(f"{duration:.2f}")
        DurationItem.setTextAlignment(Qt.AlignmentFlag.AlignCenter)
        self.HistoryTableWidget.setItem(row, 2, DurationItem)
        self.HistoryTableWidget.setRowHeight(row, 25)

    @Slot()
    def onClearHistoryButtonClicked(
        self
    ):

        self.__history.clear()
        self.HistoryTableWidget.setRowCount(0)
        self.__task_data["repeat_history"] = self.__history