"""
시스템 트레이 아이콘
"""
from PyQt5.QtWidgets import QSystemTrayIcon, QMenu, QAction
from PyQt5.QtGui import QIcon, QPixmap, QPainter, QFont, QColor
from PyQt5.QtCore import Qt, QSize

from core.i18n import tr


class SystemTrayIcon(QSystemTrayIcon):
    """시스템 트레이 아이콘 클래스"""

    def __init__(self, parent=None):
        # 기본 아이콘 생성
        icon = self.create_icon("⏰")
        super().__init__(icon, parent)

        self.parent_window = parent
        self.setup_menu()

        # 클릭 이벤트
        self.activated.connect(self.on_tray_activated)

    def create_icon(self, text: str, color: QColor = None) -> QIcon:
        """
        텍스트로 아이콘 생성
        Args:
            text: 아이콘에 표시할 텍스트 (이모지 또는 시간)
            color: 배경색
        Returns:
            QIcon: 생성된 아이콘
        """
        pixmap = QPixmap(64, 64)

        if color:
            pixmap.fill(color)
        else:
            pixmap.fill(Qt.transparent)

        painter = QPainter(pixmap)

        # 텍스트 그리기
        if len(text) <= 2:
            # 이모지
            font = QFont("Segoe UI Emoji", 40)
        else:
            # 시간 표시
            font = QFont("Consolas", 12, QFont.Bold)
            painter.fillRect(pixmap.rect(), QColor(255, 255, 255))

        painter.setFont(font)
        painter.setPen(QColor(0, 0, 0))
        painter.drawText(pixmap.rect(), Qt.AlignCenter, text)
        painter.end()

        return QIcon(pixmap)

    def setup_menu(self):
        """트레이 메뉴 설정"""
        menu = QMenu()

        show_action = QAction(tr('tray.open'), self)
        show_action.triggered.connect(self.show_window)
        menu.addAction(show_action)

        mini_action = QAction(tr('tray.mini_widget'), self)
        mini_action.triggered.connect(self._open_mini_widget)
        menu.addAction(mini_action)

        menu.addSeparator()

        lunch_action = QAction(tr('tray.toggle_lunch'), self)
        lunch_action.triggered.connect(self._toggle_lunch)
        menu.addAction(lunch_action)

        break_out_action = QAction(tr('btn.break_out'), self)
        break_out_action.triggered.connect(self._break_out)
        menu.addAction(break_out_action)

        break_in_action = QAction(tr('btn.break_in'), self)
        break_in_action.triggered.connect(self._break_in)
        menu.addAction(break_in_action)

        menu.addSeparator()

        clock_out_action = QAction("✅ " + tr('btn.clock_out'), self)
        clock_out_action.triggered.connect(self.quick_clock_out)
        menu.addAction(clock_out_action)

        menu.addSeparator()

        stats_action = QAction("📊 " + tr('menu.stats'), self)
        stats_action.triggered.connect(lambda: self._call_parent('show_stats'))
        menu.addAction(stats_action)

        cal_action = QAction("📅 " + tr('menu.calendar'), self)
        cal_action.triggered.connect(lambda: self._call_parent('show_calendar'))
        menu.addAction(cal_action)

        schedule_action = QAction("🗓️ 스케줄", self)
        schedule_action.triggered.connect(lambda: self._call_parent('show_schedule'))
        menu.addAction(schedule_action)

        help_action = QAction("📖 " + tr('menu.help'), self)
        help_action.triggered.connect(lambda: self._call_parent('show_help'))
        menu.addAction(help_action)

        menu.addSeparator()

        quit_action = QAction(tr('tray.quit'), self)
        quit_action.triggered.connect(self.quit_app)
        menu.addAction(quit_action)

        self.setContextMenu(menu)

    def _call_parent(self, method_name: str):
        if self.parent_window and hasattr(self.parent_window, method_name):
            getattr(self.parent_window, method_name)()

    def _toggle_lunch(self):
        if self.parent_window and hasattr(self.parent_window, 'lunch_button'):
            self.parent_window.lunch_button.click()

    def _break_out(self):
        if self.parent_window and hasattr(self.parent_window, 'break_out'):
            self.parent_window.break_out()

    def _break_in(self):
        if self.parent_window and hasattr(self.parent_window, 'break_in'):
            self.parent_window.break_in()

    def _open_mini_widget(self):
        self._call_parent('show_mini_widget')

    def on_tray_activated(self, reason):
        """트레이 아이콘 클릭 시"""
        if reason == QSystemTrayIcon.DoubleClick:
            self.show_window()

    def show_window(self):
        """메인 윈도우 표시"""
        if self.parent_window:
            self.parent_window.show()
            self.parent_window.activateWindow()

    def quick_clock_out(self):
        """빠른 퇴근"""
        if self.parent_window and hasattr(self.parent_window, 'clock_out'):
            self.parent_window.clock_out()

    def quit_app(self):
        """앱 종료"""
        from PyQt5.QtWidgets import QApplication
        QApplication.quit()

    def update_time_display(self, remaining_str: str):
        """
        남은 시간 표시 업데이트
        Args:
            remaining_str: "HH:MM" 형식의 시간
        """
        # 간단한 시간 표시로 아이콘 업데이트
        if remaining_str.startswith('+'):
            icon = self.create_icon("🔥")
            self.setToolTip(tr('tray.tooltip_overtime', time=remaining_str))
        elif remaining_str.startswith('-'):
            icon = self.create_icon("⏰")
            self.setToolTip(tr('tray.tooltip_remaining', time='--'))
        else:
            parts = remaining_str.split(':')
            display_time = f"{parts[0]}:{parts[1]}" if len(parts) >= 2 else remaining_str
            icon = self.create_icon("⏰")
            self.setToolTip(tr('tray.tooltip_remaining', time=display_time))

        self.setIcon(icon)


# 테스트 코드
if __name__ == "__main__":
    from PyQt5.QtWidgets import QApplication, QMainWindow
    import sys

    app = QApplication(sys.argv)

    window = QMainWindow()
    window.setWindowTitle("Main Window")

    tray = SystemTrayIcon(window)
    tray.show()

    window.show()

    sys.exit(app.exec_())