"""
Lemontropia Suite - HUD Overlay v2.0
Cleaner, customizable HUD with collapsible sections.
"""

import sys
import json
from pathlib import Path
from decimal import Decimal
from datetime import datetime, timedelta
from dataclasses import dataclass, asdict, field
from typing import Optional, Dict, Any, List, Set

# Windows-specific imports for click-through support
if sys.platform == 'win32':
    import ctypes
    from ctypes import wintypes
    
    user32 = ctypes.windll.user32
    GetForegroundWindow = user32.GetForegroundWindow
    GetForegroundWindow.restype = wintypes.HWND

from PyQt6.QtWidgets import (
    QApplication, QWidget, QVBoxLayout, QHBoxLayout,
    QLabel, QFrame, QSizePolicy, QPushButton, QMenu,
    QDialog, QCheckBox, QFormLayout, QScrollArea
)
from PyQt6.QtCore import (
    Qt, QTimer, pyqtSignal, QPoint, QSettings,
    QObject
)
from PyQt6.QtGui import QFont, QColor, QPalette, QMouseEvent


@dataclass
class HUDConfig:
    """Configuration for which HUD elements to show."""
    show_session_time: bool = True
    show_profit_loss: bool = True
    show_return_pct: bool = True
    show_cost_breakdown: bool = False  # Weapon/Armor/Heal costs
    show_combat_stats: bool = False    # Kills, Globals, DPP
    show_damage_stats: bool = False    # Damage dealt/taken
    show_cost_metrics: bool = True     # Cost per shot/hit/heal
    show_shrapnel: bool = False
    show_gear_info: bool = True
    
    compact_mode: bool = False
    
    def to_dict(self) -> dict:
        return {
            'show_session_time': self.show_session_time,
            'show_profit_loss': self.show_profit_loss,
            'show_return_pct': self.show_return_pct,
            'show_cost_breakdown': self.show_cost_breakdown,
            'show_combat_stats': self.show_combat_stats,
            'show_damage_stats': self.show_damage_stats,
            'show_cost_metrics': self.show_cost_metrics,
            'show_shrapnel': self.show_shrapnel,
            'show_gear_info': self.show_gear_info,
            'compact_mode': self.compact_mode,
        }
    
    @classmethod
    def from_dict(cls, data: dict) -> "HUDConfig":
        return cls(
            show_session_time=data.get('show_session_time', True),
            show_profit_loss=data.get('show_profit_loss', True),
            show_return_pct=data.get('show_return_pct', True),
            show_cost_breakdown=data.get('show_cost_breakdown', False),
            show_combat_stats=data.get('show_combat_stats', False),
            show_damage_stats=data.get('show_damage_stats', False),
            show_cost_metrics=data.get('show_cost_metrics', True),
            show_shrapnel=data.get('show_shrapnel', False),
            show_gear_info=data.get('show_gear_info', True),
            compact_mode=data.get('compact_mode', False),
        )


@dataclass
class HUDStats:
    """Simplified stats for HUD display."""
    session_time: timedelta = field(default_factory=lambda: timedelta(0))
    
    # Financial (core)
    loot_total: Decimal = Decimal('0.0')
    cost_total: Decimal = Decimal('0.0')
    profit_loss: Decimal = Decimal('0.0')
    return_percentage: Decimal = Decimal('0.0')
    
    # Cost breakdown (optional)
    weapon_cost_total: Decimal = Decimal('0.0')
    armor_cost_total: Decimal = Decimal('0.0')
    healing_cost_total: Decimal = Decimal('0.0')
    
    # Combat (optional)
    kills: int = 0
    globals_count: int = 0
    hofs_count: int = 0
    
    # Cost metrics (core)
    cost_per_shot: Decimal = Decimal('0.0')
    cost_per_hit: Decimal = Decimal('0.0')
    cost_per_heal: Decimal = Decimal('0.0')
    
    # Gear
    current_weapon: str = "None"
    current_armor: str = "None"
    current_fap: str = "None"
    current_loadout: str = "None"
    
    def recalculate(self):
        """Recalculate derived values."""
        self.profit_loss = self.loot_total - self.cost_total
        if self.cost_total > 0:
            self.return_percentage = (self.loot_total / self.cost_total) * Decimal('100')
        else:
            self.return_percentage = Decimal('0')
    
    def to_dict(self) -> dict:
        return {
            'session_time': str(self.session_time),
            'loot_total': str(self.loot_total),
            'cost_total': str(self.cost_total),
            'profit_loss': str(self.profit_loss),
            'return_percentage': str(self.return_percentage),
            'weapon_cost_total': str(self.weapon_cost_total),
            'armor_cost_total': str(self.armor_cost_total),
            'healing_cost_total': str(self.healing_cost_total),
            'kills': self.kills,
            'globals_count': self.globals_count,
            'hofs_count': self.hofs_count,
            'cost_per_shot': str(self.cost_per_shot),
            'cost_per_hit': str(self.cost_per_hit),
            'cost_per_heal': str(self.cost_per_heal),
            'current_weapon': self.current_weapon,
            'current_armor': self.current_armor,
            'current_fap': self.current_fap,
            'current_loadout': self.current_loadout,
        }


class HUDSettingsDialog(QDialog):
    """Dialog to configure which HUD elements to show."""
    
    def __init__(self, config: HUDConfig, parent=None):
        super().__init__(parent)
        self.setWindowTitle("HUD Settings")
        self.setMinimumWidth(300)
        
        self.config = config
        self._setup_ui()
    
    def _setup_ui(self):
        layout = QVBoxLayout(self)
        
        scroll = QScrollArea()
        scroll.setWidgetResizable(True)
        content = QWidget()
        form = QFormLayout(content)
        
        # Core stats (always recommended)
        form.addRow(QLabel("<b>Core Stats (Recommended)</b>"))
        
        self.cb_time = QCheckBox("Session Time")
        self.cb_time.setChecked(self.config.show_session_time)
        form.addRow(self.cb_time)
        
        self.cb_profit = QCheckBox("Profit/Loss")
        self.cb_profit.setChecked(self.config.show_profit_loss)
        form.addRow(self.cb_profit)
        
        self.cb_return = QCheckBox("Return %")
        self.cb_return.setChecked(self.config.show_return_pct)
        form.addRow(self.cb_return)
        
        self.cb_cost_metrics = QCheckBox("Cost per Shot/Hit/Heal")
        self.cb_cost_metrics.setChecked(self.config.show_cost_metrics)
        form.addRow(self.cb_cost_metrics)
        
        self.cb_gear = QCheckBox("Current Gear")
        self.cb_gear.setChecked(self.config.show_gear_info)
        form.addRow(self.cb_gear)
        
        # Optional stats
        form.addRow(QLabel("<b>Optional Stats</b>"))
        
        self.cb_cost_breakdown = QCheckBox("Cost Breakdown (Weapon/Armor/Heal)")
        self.cb_cost_breakdown.setChecked(self.config.show_cost_breakdown)
        form.addRow(self.cb_cost_breakdown)
        
        self.cb_combat = QCheckBox("Combat Stats (Kills, Globals)")
        self.cb_combat.setChecked(self.config.show_combat_stats)
        form.addRow(self.cb_combat)
        
        self.cb_damage = QCheckBox("Damage Stats (Dealt/Taken)")
        self.cb_damage.setChecked(self.config.show_damage_stats)
        form.addRow(self.cb_damage)
        
        self.cb_shrapnel = QCheckBox("Shrapnel Amount")
        self.cb_shrapnel.setChecked(self.config.show_shrapnel)
        form.addRow(self.cb_shrapnel)
        
        # Display mode
        form.addRow(QLabel("<b>Display Mode</b>"))
        
        self.cb_compact = QCheckBox("Compact Mode (smaller font)")
        self.cb_compact.setChecked(self.config.compact_mode)
        form.addRow(self.cb_compact)
        
        scroll.setWidget(content)
        layout.addWidget(scroll)
        
        # Buttons
        btn_layout = QHBoxLayout()
        btn_layout.addStretch()
        
        save_btn = QPushButton("Save")
        save_btn.clicked.connect(self._on_save)
        btn_layout.addWidget(save_btn)
        
        cancel_btn = QPushButton("Cancel")
        cancel_btn.clicked.connect(self.reject)
        btn_layout.addWidget(cancel_btn)
        
        layout.addLayout(btn_layout)
    
    def _on_save(self):
        self.config.show_session_time = self.cb_time.isChecked()
        self.config.show_profit_loss = self.cb_profit.isChecked()
        self.config.show_return_pct = self.cb_return.isChecked()
        self.config.show_cost_metrics = self.cb_cost_metrics.isChecked()
        self.config.show_gear_info = self.cb_gear.isChecked()
        self.config.show_cost_breakdown = self.cb_cost_breakdown.isChecked()
        self.config.show_combat_stats = self.cb_combat.isChecked()
        self.config.show_damage_stats = self.cb_damage.isChecked()
        self.config.show_shrapnel = self.cb_shrapnel.isChecked()
        self.config.compact_mode = self.cb_compact.isChecked()
        self.accept()
    
    def get_config(self) -> HUDConfig:
        return self.config


class HUDOverlay(QWidget):
    """
    Clean, customizable HUD Overlay for Lemontropia Suite.
    
    Features:
    - Collapsible sections
    - Customizable display elements
    - Compact mode
    - Draggable with Ctrl+click
    """
    
    position_changed = pyqtSignal(QPoint)
    stats_updated = pyqtSignal(dict)
    
    def __init__(self, parent=None, config_path: Optional[str] = None):
        super().__init__(parent)
        
        self.config_path = Path(config_path) if config_path else Path.home() / ".lemontropia" / "hud_config.json"
        self.config_path.parent.mkdir(parents=True, exist_ok=True)
        
        # Load HUD config
        self.hud_config = self._load_hud_config()
        
        # Session state
        self._session_start: Optional[datetime] = None
        self._stats = HUDStats()
        self.session_active = False
        
        # Drag state
        self._dragging = False
        self._drag_offset = QPoint()
        
        # Setup
        self._setup_window()
        self._setup_ui()
        self._load_position()
        
        # Timer for session time
        self._timer = QTimer(self)
        self._timer.timeout.connect(self._update_session_time)
    
    def _load_hud_config(self) -> HUDConfig:
        """Load HUD configuration."""
        try:
            if self.config_path.exists():
                with open(self.config_path, 'r') as f:
                    data = json.load(f)
                    return HUDConfig.from_dict(data)
        except Exception as e:
            pass
        return HUDConfig()  # Default config
    
    def _save_hud_config(self):
        """Save HUD configuration."""
        try:
            with open(self.config_path, 'w') as f:
                json.dump(self.hud_config.to_dict(), f, indent=2)
        except Exception as e:
            pass
    
    def _setup_window(self):
        """Configure window properties."""
        self.setWindowFlags(
            Qt.WindowType.FramelessWindowHint |
            Qt.WindowType.WindowStaysOnTopHint |
            Qt.WindowType.Tool
        )
        self.setAttribute(Qt.WidgetAttribute.WA_TranslucentBackground)
        self.setMouseTracking(True)
        self.setFocusPolicy(Qt.FocusPolicy.StrongFocus)
    
    def _setup_ui(self):
        """Build the HUD UI."""
        # Calculate size based on what's shown
        self._update_window_size()
        
        # Main container
        self.container = QFrame(self)
        self.container.setObjectName("hudContainer")
        self.container.setStyleSheet(self._get_stylesheet())
        
        layout = QVBoxLayout(self.container)
        layout.setContentsMargins(12, 12, 12, 8)
        layout.setSpacing(4)
        
        # === HEADER: Status + Gear ===
        header = QHBoxLayout()
        
        self.status_label = QLabel("● Ready")
        self.status_label.setStyleSheet("color: #7FFF7F; font-weight: bold;")
        header.addWidget(self.status_label)
        
        header.addStretch()
        
        # Settings button
        self.settings_btn = QPushButton("⚙️")
        self.settings_btn.setFixedSize(24, 24)
        self.settings_btn.setStyleSheet("""
            QPushButton {
                background: transparent;
                border: none;
                font-size: 14px;
            }
            QPushButton:hover {
                background: rgba(255, 255, 255, 30);
                border-radius: 4px;
            }
        """)
        self.settings_btn.clicked.connect(self._show_settings)
        header.addWidget(self.settings_btn)
        
        layout.addLayout(header)
        
        # === GEAR INFO (if enabled) ===
        if self.hud_config.show_gear_info:
            self.gear_frame = QFrame()
            gear_layout = QVBoxLayout(self.gear_frame)
            gear_layout.setContentsMargins(0, 0, 0, 0)
            gear_layout.setSpacing(2)
            
            self.weapon_label = QLabel("🔫 None")
            self.armor_label = QLabel("🛡️ None")
            self.loadout_label = QLabel("📋 No Loadout")
            
            gear_layout.addWidget(self.weapon_label)
            gear_layout.addWidget(self.armor_label)
            gear_layout.addWidget(self.loadout_label)
            
            layout.addWidget(self.gear_frame)
            
            # Separator
            sep = QFrame()
            sep.setFrameShape(QFrame.Shape.HLine)
            sep.setStyleSheet("background-color: rgba(255, 215, 0, 50);")
            sep.setFixedHeight(1)
            layout.addWidget(sep)
        
        # === CORE: P/L + Return % ===
        if self.hud_config.show_profit_loss or self.hud_config.show_return_pct:
            core_frame = QFrame()
            core_layout = QHBoxLayout(core_frame)
            core_layout.setContentsMargins(0, 4, 0, 4)
            
            if self.hud_config.show_profit_loss:
                self.profit_label = QLabel("P/L: 0.00 PED")
                self.profit_label.setStyleSheet("font-size: 18px; font-weight: bold;")
                core_layout.addWidget(self.profit_label)
            
            core_layout.addStretch()
            
            if self.hud_config.show_return_pct:
                self.return_label = QLabel("0.0%")
                self.return_label.setStyleSheet("font-size: 16px; font-weight: bold;")
                core_layout.addWidget(self.return_label)
            
            layout.addWidget(core_frame)
        
        # === COST METRICS (if enabled) ===
        if self.hud_config.show_cost_metrics:
            metrics_frame = QFrame()
            metrics_frame.setStyleSheet("background-color: rgba(0, 0, 0, 100); border-radius: 4px;")
            metrics_layout = QHBoxLayout(metrics_frame)
            metrics_layout.setContentsMargins(8, 4, 8, 4)
            
            self.cps_label = QLabel("Shot: 0.0000")
            self.cph_label = QLabel("Hit: 0.0000")
            self.cphl_label = QLabel("Heal: 0.0000")
            
            for lbl in [self.cps_label, self.cph_label, self.cphl_label]:
                lbl.setStyleSheet("font-size: 10px; color: #AAAAAA;")
                metrics_layout.addWidget(lbl)
            
            metrics_layout.addStretch()
            layout.addWidget(metrics_frame)
        
        # === OPTIONAL: Cost Breakdown ===
        if self.hud_config.show_cost_breakdown:
            breakdown_frame = QFrame()
            breakdown_layout = QFormLayout(breakdown_frame)
            breakdown_layout.setContentsMargins(0, 0, 0, 0)
            breakdown_layout.setSpacing(2)
            
            self.wep_cost_label = QLabel("0.00")
            self.arm_cost_label = QLabel("0.00")
            self.heal_cost_label = QLabel("0.00")
            
            breakdown_layout.addRow("Weapon:", self.wep_cost_label)
            breakdown_layout.addRow("Armor:", self.arm_cost_label)
            breakdown_layout.addRow("Healing:", self.heal_cost_label)
            
            layout.addWidget(breakdown_frame)
        
        # === OPTIONAL: Combat Stats ===
        if self.hud_config.show_combat_stats:
            combat_frame = QFrame()
            combat_layout = QHBoxLayout(combat_frame)
            combat_layout.setContentsMargins(0, 0, 0, 0)
            
            self.kills_label = QLabel("Kills: 0")
            self.globals_label = QLabel("Globals: 0")
            
            combat_layout.addWidget(self.kills_label)
            combat_layout.addStretch()
            combat_layout.addWidget(self.globals_label)
            
            layout.addWidget(combat_frame)
        
        # === FOOTER: Session Time + Drag Hint ===
        footer = QHBoxLayout()
        
        if self.hud_config.show_session_time:
            self.time_label = QLabel("00:00:00")
            self.time_label.setStyleSheet("color: #888; font-size: 11px;")
            footer.addWidget(self.time_label)
        else:
            footer.addStretch()
        
        footer.addStretch()
        
        self.drag_hint = QLabel("Ctrl+drag to move")
        self.drag_hint.setStyleSheet("font-size: 9px; color: #666;")
        footer.addWidget(self.drag_hint)
        
        layout.addLayout(footer)
    
    def _get_stylesheet(self) -> str:
        """Get stylesheet based on compact mode."""
        font_size = "11px" if self.hud_config.compact_mode else "12px"
        
        return f"""
            #hudContainer {{
                background-color: rgba(0, 0, 0, 180);
                border: 1px solid rgba(255, 215, 0, 80);
                border-radius: 8px;
            }}
            QLabel {{
                color: #FFFFFF;
                font-family: 'Segoe UI', 'Arial', sans-serif;
                font-size: {font_size};
            }}
        """
    
    def _update_window_size(self):
        """Calculate window size based on enabled features."""
        height = 80  # Base height
        
        if self.hud_config.show_gear_info:
            height += 70
        if self.hud_config.show_profit_loss or self.hud_config.show_return_pct:
            height += 40
        if self.hud_config.show_cost_metrics:
            height += 30
        if self.hud_config.show_cost_breakdown:
            height += 70
        if self.hud_config.show_combat_stats:
            height += 25
        if self.hud_config.show_session_time:
            height += 20
        
        width = 280 if self.hud_config.compact_mode else 320
        
        self.setFixedSize(width, height)
        self.container.setFixedSize(width, height)
    
    def _show_settings(self):
        """Show settings dialog."""
        dialog = HUDSettingsDialog(self.hud_config, self)
        if dialog.exec() == QDialog.DialogCode.Accepted:
            self.hud_config = dialog.get_config()
            self._save_hud_config()
            # Rebuild UI with new settings
            self._rebuild_ui()
    
    def _rebuild_ui(self):
        """Rebuild UI with current config."""
        # Clear container
        while self.container.layout().count():
            item = self.container.layout().takeAt(0)
            if item.widget():
                item.widget().deleteLater()
        
        self._update_window_size()
        self._setup_ui()
        self._refresh_display()
    
    # === Session Management ===
    
    def start_session(self, weapon: str = "Unknown", armor: str = "None",
                      fap: str = "None", loadout: str = "Default",
                      cost_per_shot: Decimal = Decimal('0.0'),
                      cost_per_hit: Decimal = Decimal('0.0'),
                      cost_per_heal: Decimal = Decimal('0.0')) -> None:
        """Start a new hunting session."""
        self._session_start = datetime.now()
        self._stats = HUDStats()
        self._stats.current_weapon = weapon
        self._stats.current_armor = armor
        self._stats.current_fap = fap
        self._stats.current_loadout = loadout
        self._stats.cost_per_shot = cost_per_shot
        self._stats.cost_per_hit = cost_per_hit
        self._stats.cost_per_heal = cost_per_heal
        self.session_active = True
        
        self._timer.start(1000)
        self._refresh_display()
        self.status_label.setText("● Live")
        self.status_label.setStyleSheet("color: #7FFF7F; font-weight: bold;")
    
    def stop_session(self) -> None:
        """Stop the current session."""
        self.session_active = False
        self._timer.stop()
        self.status_label.setText("● Stopped")
        self.status_label.setStyleSheet("color: #FF7F7F; font-weight: bold;")
    
    # === Event Handlers ===
    
    def _update_session_time(self):
        """Update session time display."""
        if self._session_start and self.session_active:
            elapsed = datetime.now() - self._session_start
            hours, remainder = divmod(elapsed.seconds, 3600)
            minutes, seconds = divmod(remainder, 60)
            
            if hasattr(self, 'time_label'):
                self.time_label.setText(f"{hours:02d}:{minutes:02d}:{seconds:02d}")
    
    def _refresh_display(self):
        """Refresh all display labels."""
        # Profit/Loss
        if hasattr(self, 'profit_label'):
            profit = self._stats.profit_loss
            color = "#7FFF7F" if profit >= 0 else "#FF7F7F"
            self.profit_label.setText(f"{profit:+.2f} PED")
            self.profit_label.setStyleSheet(f"font-size: 18px; font-weight: bold; color: {color};")
        
        # Return %
        if hasattr(self, 'return_label'):
            ret = self._stats.return_percentage
            if ret >= 100:
                color = "#7FFF7F"
            elif ret >= 90:
                color = "#FFFF7F"
            else:
                color = "#FF7F7F"
            self.return_label.setText(f"{ret:.1f}%")
            self.return_label.setStyleSheet(f"font-size: 16px; font-weight: bold; color: {color};")
        
        # Cost metrics
        if hasattr(self, 'cps_label'):
            self.cps_label.setText(f"Shot: {self._stats.cost_per_shot:.4f}")
        if hasattr(self, 'cph_label'):
            self.cph_label.setText(f"Hit: {self._stats.cost_per_hit:.4f}")
        if hasattr(self, 'cphl_label'):
            self.cphl_label.setText(f"Heal: {self._stats.cost_per_heal:.4f}")
        
        # Gear
        if hasattr(self, 'weapon_label'):
            self.weapon_label.setText(f"🔫 {self._stats.current_weapon[:20]}")
        if hasattr(self, 'armor_label'):
            self.armor_label.setText(f"🛡️ {self._stats.current_armor[:20]}")
        if hasattr(self, 'loadout_label'):
            self.loadout_label.setText(f"📋 {self._stats.current_loadout[:20]}")
        
        # Cost breakdown
        if hasattr(self, 'wep_cost_label'):
            self.wep_cost_label.setText(f"{self._stats.weapon_cost_total:.2f}")
        if hasattr(self, 'arm_cost_label'):
            self.arm_cost_label.setText(f"{self._stats.armor_cost_total:.2f}")
        if hasattr(self, 'heal_cost_label'):
            self.heal_cost_label.setText(f"{self._stats.healing_cost_total:.2f}")
        
        # Combat
        if hasattr(self, 'kills_label'):
            self.kills_label.setText(f"Kills: {self._stats.kills}")
        if hasattr(self, 'globals_label'):
            self.globals_label.setText(f"Globals: {self._stats.globals_count}")
    
    # === Public Update Methods ===
    
    def update_loot(self, value_ped: Decimal):
        """Update loot value."""
        if self.session_active:
            self._stats.loot_total += value_ped
            self._stats.recalculate()
            self._refresh_display()
    
    def update_weapon_cost(self, cost_ped: Decimal):
        """Update weapon cost."""
        if self.session_active:
            self._stats.weapon_cost_total += cost_ped
            self._stats.cost_total += cost_ped
            self._stats.recalculate()
            self._refresh_display()
    
    def update_armor_cost(self, cost_ped: Decimal):
        """Update armor cost."""
        if self.session_active:
            self._stats.armor_cost_total += cost_ped
            self._stats.cost_total += cost_ped
            self._stats.recalculate()
            self._refresh_display()
    
    def update_healing_cost(self, cost_ped: Decimal):
        """Update healing cost."""
        if self.session_active:
            self._stats.healing_cost_total += cost_ped
            self._stats.cost_total += cost_ped
            self._stats.recalculate()
            self._refresh_display()
    
    def update_kills(self, count: int = 1):
        """Update kill count."""
        if self.session_active:
            self._stats.kills += count
            self._refresh_display()
    
    def update_globals(self):
        """Update global count."""
        if self.session_active:
            self._stats.globals_count += 1
            self._refresh_display()
    
    # === Mouse Handling ===
    
    def mousePressEvent(self, event: QMouseEvent):
        if event.button() == Qt.MouseButton.LeftButton:
            if event.modifiers() == Qt.KeyboardModifier.ControlModifier:
                self._dragging = True
                self._drag_offset = event.pos()
                self.setCursor(Qt.CursorShape.ClosedHandCursor)
                event.accept()
    
    def mouseMoveEvent(self, event: QMouseEvent):
        if self._dragging:
            new_pos = self.mapToGlobal(event.pos()) - self._drag_offset
            self.move(new_pos)
            self.position_changed.emit(new_pos)
            event.accept()
    
    def mouseReleaseEvent(self, event: QMouseEvent):
        if event.button() == Qt.MouseButton.LeftButton and self._dragging:
            self._dragging = False
            self.setCursor(Qt.CursorShape.ArrowCursor)
            self._save_position()
            event.accept()
    
    def enterEvent(self, event):
        """Mouse entered - enable interaction."""
        super().enterEvent(event)
    
    def leaveEvent(self, event):
        """Mouse left - disable interaction."""
        super().leaveEvent(event)
    
    def _save_position(self):
        """Save window position."""
        try:
            pos_file = self.config_path.parent / "hud_position.json"
            with open(pos_file, 'w') as f:
                json.dump({'x': self.x(), 'y': self.y()}, f)
        except:
            pass
    
    def _load_position(self):
        """Load window position."""
        try:
            pos_file = self.config_path.parent / "hud_position.json"
            if pos_file.exists():
                with open(pos_file, 'r') as f:
                    pos = json.load(f)
                    self.move(pos.get('x', 100), pos.get('y', 100))
            else:
                screen = QApplication.primaryScreen().geometry()
                self.move(screen.width() - 360, 50)
        except:
            self.move(100, 100)