"""
EU-Utility - Loot Tracker Plugin

Track and analyze hunting loot with statistics and ROI.
"""

import re
from datetime import datetime
from collections import defaultdict
from pathlib import Path
import json

from PyQt6.QtWidgets import (
    QWidget, QVBoxLayout, QHBoxLayout, QLabel, 
    QPushButton, QTableWidget, QTableWidgetItem,
    QComboBox, QLineEdit, QTabWidget, QFrame
)
from PyQt6.QtCore import Qt

from plugins.base_plugin import BasePlugin


class LootTrackerPlugin(BasePlugin):
    """Track hunting loot and calculate ROI."""
    
    name = "Loot Tracker"
    version = "1.0.0"
    author = "ImpulsiveFPS"
    description = "Track hunting loot with stats and ROI analysis"
    hotkey = "ctrl+shift+l"  # L for Loot
    
    def initialize(self):
        """Setup loot tracker."""
        self.data_file = Path("data/loot_tracker.json")
        self.data_file.parent.mkdir(parents=True, exist_ok=True)
        
        self.sessions = []
        self.current_session = {
            'start_time': None,
            'kills': 0,
            'loot_items': [],
            'total_tt': 0.0,
            'ammo_cost': 0.0,
            'weapon_decay': 0.0,
        }
        
        self._load_data()
    
    def _load_data(self):
        """Load historical data."""
        if self.data_file.exists():
            try:
                with open(self.data_file, 'r') as f:
                    self.sessions = json.load(f)
            except:
                self.sessions = []
    
    def _save_data(self):
        """Save data to file."""
        with open(self.data_file, 'w') as f:
            json.dump(self.sessions, f, indent=2)
    
    def get_ui(self):
        """Create plugin UI."""
        widget = QWidget()
        widget.setStyleSheet("background: transparent;")
        layout = QVBoxLayout(widget)
        layout.setSpacing(15)
        layout.setContentsMargins(0, 0, 0, 0)
        
        # Title
        title = QLabel("Loot Tracker")
        title.setStyleSheet("color: white; font-size: 16px; font-weight: bold;")
        layout.addWidget(title)
        
        # Stats summary
        stats_frame = QFrame()
        stats_frame.setStyleSheet("""
            QFrame {
                background-color: rgba(0, 0, 0, 50);
                border-radius: 10px;
                border: 1px solid rgba(255, 255, 255, 20);
            }
        """)
        stats_layout = QHBoxLayout(stats_frame)
        
        self.kills_label = QLabel("Kills: 0")
        self.kills_label.setStyleSheet("color: #4caf50; font-size: 14px; font-weight: bold;")
        stats_layout.addWidget(self.kills_label)
        
        self.tt_label = QLabel("TT: 0.00 PED")
        self.tt_label.setStyleSheet("color: #ffc107; font-size: 14px; font-weight: bold;")
        stats_layout.addWidget(self.tt_label)
        
        self.roi_label = QLabel("ROI: 0%")
        self.roi_label.setStyleSheet("color: #4a9eff; font-size: 14px; font-weight: bold;")
        stats_layout.addWidget(self.roi_label)
        
        layout.addWidget(stats_frame)
        
        # Session controls
        controls = QHBoxLayout()
        
        self.start_btn = QPushButton("▶ Start Session")
        self.start_btn.setStyleSheet("""
            QPushButton {
                background-color: #4caf50;
                color: white;
                padding: 10px 20px;
                border: none;
                border-radius: 8px;
                font-weight: bold;
            }
            QPushButton:hover {
                background-color: #5cbf60;
            }
        """)
        self.start_btn.clicked.connect(self._start_session)
        controls.addWidget(self.start_btn)
        
        self.stop_btn = QPushButton("⏹ Stop Session")
        self.stop_btn.setStyleSheet("""
            QPushButton {
                background-color: #f44336;
                color: white;
                padding: 10px 20px;
                border: none;
                border-radius: 8px;
                font-weight: bold;
            }
            QPushButton:hover {
                background-color: #f55a4e;
            }
        """)
        self.stop_btn.clicked.connect(self._stop_session)
        self.stop_btn.setEnabled(False)
        controls.addWidget(self.stop_btn)
        
        layout.addLayout(controls)
        
        # Loot table
        self.loot_table = QTableWidget()
        self.loot_table.setColumnCount(4)
        self.loot_table.setHorizontalHeaderLabels(["Item", "Qty", "TT Value", "Time"])
        self.loot_table.setStyleSheet("""
            QTableWidget {
                background-color: rgba(30, 30, 30, 100);
                color: white;
                border: none;
                border-radius: 6px;
            }
            QHeaderView::section {
                background-color: rgba(74, 158, 255, 100);
                color: white;
                padding: 6px;
            }
        """)
        self.loot_table.horizontalHeader().setStretchLastSection(True)
        layout.addWidget(self.loot_table)
        
        layout.addStretch()
        return widget
    
    def _start_session(self):
        """Start new hunting session."""
        self.current_session = {
            'start_time': datetime.now().isoformat(),
            'kills': 0,
            'loot_items': [],
            'total_tt': 0.0,
            'ammo_cost': 0.0,
            'weapon_decay': 0.0,
        }
        self.start_btn.setEnabled(False)
        self.stop_btn.setEnabled(True)
    
    def _stop_session(self):
        """Stop current session and save."""
        self.current_session['end_time'] = datetime.now().isoformat()
        self.sessions.append(self.current_session)
        self._save_data()
        
        self.start_btn.setEnabled(True)
        self.stop_btn.setEnabled(False)
        self._update_stats()
    
    def _update_stats(self):
        """Update statistics display."""
        kills = self.current_session.get('kills', 0)
        tt = self.current_session.get('total_tt', 0.0)
        
        self.kills_label.setText(f"Kills: {kills}")
        self.tt_label.setText(f"TT: {tt:.2f} PED")
    
    def parse_chat_message(self, message):
        """Parse loot from chat."""
        # Look for loot patterns
        # Example: "You received Animal Hide (0.03 PED)"
        loot_pattern = r'You received (.+?) \(([\d.]+) PED\)'
        match = re.search(loot_pattern, message)
        
        if match:
            item_name = match.group(1)
            tt_value = float(match.group(2))
            
            self.current_session['loot_items'].append({
                'item': item_name,
                'tt': tt_value,
                'time': datetime.now().isoformat()
            })
            self.current_session['total_tt'] += tt_value
            self._update_stats()
            
            # Check for new kill
            # Multiple items in quick succession = one kill
            # Longer gap = new kill
            self.current_session['kills'] += 1
    
    def on_hotkey(self):
        """Toggle session on hotkey."""
        if self.start_btn.isEnabled():
            self._start_session()
        else:
            self._stop_session()