#!/usr/bin/env python3
"""
Game state management for QLPyCon
Tracks server info, players, and teams
"""

import re
import logging
from config import TEAM_MODES, TEAM_MAP, MAX_RECENT_EVENTS

logger = logging.getLogger('state')


class ServerInfo:
    """Tracks current server information"""
    
    def __init__(self):
        self.hostname = 'Unknown'
        self.map = 'Unknown'
        self.gametype = 'Unknown'
        self.timelimit = '0'
        self.fraglimit = '0'
        self.roundlimit = '0'
        self.capturelimit = '0'
        self.maxclients = '0'
        self.curclients = '0'
        self.red_score = 0
        self.blue_score = 0
        self.players = []
        self.last_update = 0
    
    def is_team_mode(self):
        """Check if current gametype is a team mode"""
        return self.gametype in TEAM_MODES
    
    def update_from_cvar(self, cvar_name, value):
        """Update server info from a cvar response"""
        # Normalize cvar name to lowercase for case-insensitive matching
        cvar_lower = cvar_name.lower()
        
        mapping = {
            'qlx_serverbrandname': 'hostname',
            'g_factorytitle': 'gametype',
            'mapname': 'map',
            'timelimit': 'timelimit',
            'fraglimit': 'fraglimit',
            'roundlimit': 'roundlimit',
            'capturelimit': 'capturelimit',
            'sv_maxclients': 'maxclients'
        }
        
        attr = mapping.get(cvar_lower)
        if attr:
            # Only strip color codes for non-hostname fields
            if attr != 'hostname':
                value = re.sub(r'\^\d', '', value)
            setattr(self, attr, value)
            logger.info(f'Updated {attr}: {value}')
            return True
        return False


class PlayerTracker:
    """Tracks player teams and information"""
    
    def __init__(self, server_info):
        self.server_info = server_info
        self.player_teams = {}
    
    def update_team(self, name, team):
        """Update player team. Team can be int or string"""
        if not self.server_info.is_team_mode():
            return
        
        # Convert numeric team to string
        if isinstance(team, int):
            team = TEAM_MAP.get(team, 'FREE')
        
        if team not in ['RED', 'BLUE', 'FREE', 'SPECTATOR']:
            team = 'FREE'
        
        # Store both original name and color-stripped version
        self.player_teams[name] = team
        clean_name = re.sub(r'\^\d', '', name)
        if clean_name != name:
            self.player_teams[clean_name] = team
        
        logger.debug(f'Updated team for {name} (clean: {clean_name}): {team}')
    
    def get_team(self, name):
        """Get player's team"""
        return self.player_teams.get(name)
    
    def add_player(self, name, score='0', ping='0'):
        """Add player to server's player list if not exists"""
        clean_name = re.sub(r'\^\d', '', name)
    
        # Check if player already exists (by either name or clean name)
        for existing in self.server_info.players:
            existing_clean = re.sub(r'\^\d', '', existing['name'])
            if existing['name'] == name or existing_clean == clean_name:
                return  # Already exists
    
        self.server_info.players.append({
            'name': name,
            'score': score,
            'ping': ping
        })

    def get_players_by_team(self):
        """Get players organized by team"""
        teams = {'RED': [], 'BLUE': [], 'SPECTATOR': [], 'FREE': []}
        for player in self.server_info.players:
            name = player['name']
            team = self.player_teams.get(name, 'FREE')
            if team not in teams:
                team = 'FREE'
            teams[team].append(name)
        return teams

    def remove_player(self, name):
        """Remove player from tracking"""
        clean_name = re.sub(r'\^\d', '', name)
    
        # Count before removal
        before_count = len(self.server_info.players)
    
        # Remove from player list - check both original and clean names
        self.server_info.players = [
            p for p in self.server_info.players
            if p['name'] != name and re.sub(r'\^\d', '', p['name']) != clean_name
        ]
    
        # Log if anything was actually removed
        after_count = len(self.server_info.players)
        if before_count != after_count:
            logger.info(f'Removed player: {name} (clean: {clean_name}) - {before_count} -> {after_count}')
        else:
            logger.warning(f'Player not found for removal: {name} (clean: {clean_name})')
    
        # Remove from team tracking - both versions
        self.player_teams.pop(name, None)
        self.player_teams.pop(clean_name, None)

    def rename_player(self, old_name, new_name):
        """Rename a player while maintaining their team"""
        old_clean = re.sub(r'\^\d', '', old_name)
        
        # Get current team (try both names)
        team = self.player_teams.get(old_name) or self.player_teams.get(old_clean, 'SPECTATOR')
        
        # Find and update player in server list
        for player in self.server_info.players:
            if player['name'] == old_name or re.sub(r'\^\d', '', player['name']) == old_clean:
                player['name'] = new_name
                break
        
        # Remove old team entries
        self.player_teams.pop(old_name, None)
        self.player_teams.pop(old_clean, None)
        
        # Add new team entries with color codes preserved
        if self.server_info.is_team_mode():
            self.update_team(new_name, team)
        
        logger.debug(f'Renamed player: {old_name} -> {new_name} (team: {team})')

class EventDeduplicator:
    """Prevents duplicate kill/death events"""
    
    def __init__(self):
        self.recent_events = []
    
    def is_duplicate(self, event_type, time_val, killer_name, victim_name):
        """Check if this kill/death event is a duplicate"""
        if event_type not in ('PLAYER_DEATH', 'PLAYER_KILL'):
            return False
        
        signature = f"KILL:{time_val}:{killer_name}:{victim_name}"
        
        if signature in self.recent_events:
            logger.debug(f'Duplicate event: {signature}')
            return True
        
        # Add to recent events
        self.recent_events.append(signature)
        if len(self.recent_events) > MAX_RECENT_EVENTS:
            self.recent_events.pop(0)
        
        return False


class GameState:
    """Main game state container"""
    
    def __init__(self):
        self.server_info = ServerInfo()
        self.player_tracker = PlayerTracker(self.server_info)
        self.event_deduplicator = EventDeduplicator()
        self.pending_background_commands = set()
        self.status_buffer = []