from flask import Flask, render_template, request, jsonify
from flask_httpauth import HTTPBasicAuth
import os
import requests
import re
import json
import asyncio
import websockets
from datetime import datetime

app = Flask(__name__)
auth = HTTPBasicAuth()

PTERODACTYL_URL = os.getenv('PTERODACTYL_URL', 'https://panel.firefrostgaming.com')
API_KEY = os.getenv('PTERODACTYL_API_KEY')
USERNAME = os.getenv('DASHBOARD_USERNAME', 'admin')
PASSWORD = os.getenv('DASHBOARD_PASSWORD', 'changeme')

EXCLUDED_SERVERS = ['FoundryVTT', 'Hytale']

# Activity log (in-memory, last 50 actions)
activity_log = []

def log_activity(action, player=None, server=None, success=True):
    """Add an entry to the activity log"""
    entry = {
        'timestamp': datetime.now().isoformat(),
        'action': action,
        'player': player,
        'server': server,
        'success': success
    }
    activity_log.insert(0, entry)
    if len(activity_log) > 50:
        activity_log.pop()

def is_uuid(player_input):
    """Check if input is a UUID format (with or without dashes)"""
    uuid_pattern = r'^[0-9a-f]{8}-?[0-9a-f]{4}-?[0-9a-f]{4}-?[0-9a-f]{4}-?[0-9a-f]{12}$'
    return bool(re.match(uuid_pattern, player_input.lower()))

def validate_minecraft_username(username):
    """Validate Minecraft username format"""
    if is_uuid(username):
        return True  # UUIDs are always valid
    
    # Minecraft username rules: 3-16 chars, alphanumeric + underscore
    if not re.match(r'^[a-zA-Z0-9_]{3,16}$', username):
        return False
    return True

async def get_whitelist_players(server_uuid):
    """Get list of whitelisted players from a server"""
    headers = {
        'Authorization': f'Bearer {API_KEY}',
        'Accept': 'application/json'
    }
    
    try:
        response = requests.get(
            f'{PTERODACTYL_URL}/api/client/servers/{server_uuid}/websocket',
            headers=headers,
            timeout=5
        )
        
        if response.status_code != 200:
            return []
        
        ws_data = response.json()
        socket_url = ws_data['data']['socket']
        token = ws_data['data']['token']
        
        async with websockets.connect(
            socket_url,
            ping_interval=None,
            additional_headers={'Origin': PTERODACTYL_URL}
        ) as websocket:
            auth_message = json.dumps({'event': 'auth', 'args': [token]})
            await websocket.send(auth_message)
            await asyncio.wait_for(websocket.recv(), timeout=5)
            
            list_command = json.dumps({'event': 'send command', 'args': ['whitelist list']})
            await websocket.send(list_command)
            
            players = []
            for i in range(10):
                try:
                    message = await asyncio.wait_for(websocket.recv(), timeout=2)
                    data = json.loads(message)
                    
                    if data.get('event') == 'console output':
                        output = data.get('args', [''])[0]
                        # Parse player names from output
                        # Format: "There are 3 whitelisted players: player1, player2, player3"
                        if 'whitelisted players:' in output.lower():
                            player_text = output.split(':', 1)[1].strip()
                            players = [p.strip() for p in player_text.split(',')]
                            break
                except asyncio.TimeoutError:
                    break
            
            return players
            
    except Exception as e:
        print(f"Error getting whitelist: {e}")
        return []

def get_server_running_status(server_uuid):
    """Check if server is actually running via resources endpoint"""
    headers = {
        'Authorization': f'Bearer {API_KEY}',
        'Accept': 'application/json'
    }
    
    try:
        response = requests.get(
            f'{PTERODACTYL_URL}/api/client/servers/{server_uuid}/resources',
            headers=headers,
            timeout=5
        )
        
        if response.status_code != 200:
            return False
        
        data = response.json()
        current_state = data.get('attributes', {}).get('current_state', 'offline')
        return current_state == 'running'
        
    except Exception as e:
        print(f"Error checking server status for {server_uuid}: {e}")
        return False

async def check_whitelist_via_websocket(server_uuid):
    """Connect to server websocket and check whitelist status"""
    headers = {
        'Authorization': f'Bearer {API_KEY}',
        'Accept': 'application/json'
    }
    
    try:
        response = requests.get(
            f'{PTERODACTYL_URL}/api/client/servers/{server_uuid}/websocket',
            headers=headers,
            timeout=5
        )
        
        if response.status_code != 200:
            return 'unknown'
        
        ws_data = response.json()
        socket_url = ws_data['data']['socket']
        token = ws_data['data']['token']
        
        async with websockets.connect(
            socket_url,
            ping_interval=None,
            additional_headers={'Origin': PTERODACTYL_URL}
        ) as websocket:
            auth_message = json.dumps({'event': 'auth', 'args': [token]})
            await websocket.send(auth_message)
            await asyncio.wait_for(websocket.recv(), timeout=5)
            
            test_command = json.dumps({'event': 'send command', 'args': ['whitelist on']})
            await websocket.send(test_command)
            
            for i in range(10):
                try:
                    message = await asyncio.wait_for(websocket.recv(), timeout=2)
                    data = json.loads(message)
                    
                    if data.get('event') == 'console output':
                        output = data.get('args', [''])[0]
                        output_lower = output.lower()
                        
                        if 'already on' in output_lower or 'already enabled' in output_lower:
                            return 'whitelisted'
                        elif 'now turned on' in output_lower or 'whitelist is now on' in output_lower:
                            off_command = json.dumps({'event': 'send command', 'args': ['whitelist off']})
                            await websocket.send(off_command)
                            return 'public'
                            
                except asyncio.TimeoutError:
                    break
            
            return 'unknown'
            
    except Exception as e:
        print(f"Error: {e}")
        return 'unknown'

async def toggle_whitelist_via_websocket(server_uuid, enable):
    """Toggle whitelist on or off"""
    headers = {
        'Authorization': f'Bearer {API_KEY}',
        'Accept': 'application/json'
    }
    
    try:
        response = requests.get(
            f'{PTERODACTYL_URL}/api/client/servers/{server_uuid}/websocket',
            headers=headers,
            timeout=5
        )
        
        if response.status_code != 200:
            return False
        
        ws_data = response.json()
        socket_url = ws_data['data']['socket']
        token = ws_data['data']['token']
        
        async with websockets.connect(
            socket_url,
            ping_interval=None,
            additional_headers={'Origin': PTERODACTYL_URL}
        ) as websocket:
            auth_message = json.dumps({'event': 'auth', 'args': [token]})
            await websocket.send(auth_message)
            await asyncio.wait_for(websocket.recv(), timeout=5)
            
            command = 'whitelist on' if enable else 'whitelist off'
            cmd_message = json.dumps({'event': 'send command', 'args': [command]})
            await websocket.send(cmd_message)
            
            for i in range(5):
                try:
                    message = await asyncio.wait_for(websocket.recv(), timeout=2)
                    data = json.loads(message)
                    if data.get('event') == 'console output':
                        output = data.get('args', [''])[0].lower()
                        if 'turned on' in output or 'turned off' in output:
                            return True
                except asyncio.TimeoutError:
                    break
            
            return True
            
    except Exception as e:
        print(f"Error toggling whitelist: {e}")
        return False

@auth.verify_password
def verify_password(username, password):
    if username == USERNAME and password == PASSWORD:
        return username
    return None

def get_servers():
    headers = {
        'Authorization': f'Bearer {API_KEY}',
        'Content-Type': 'application/json',
        'Accept': 'application/json'
    }
    
    try:
        response = requests.get(f'{PTERODACTYL_URL}/api/client', headers=headers)
        if response.status_code != 200:
            return {'TX1': [], 'NC1': [], 'Unknown': []}
        
        data = response.json()
        servers = {'TX1': [], 'NC1': [], 'Unknown': []}
        
        for server in data.get('data', []):
            attributes = server.get('attributes', {})
            name = attributes.get('name', 'Unknown')
            short_uuid = attributes.get('identifier', '')
            full_uuid = attributes.get('uuid', '')
            
            if any(excluded in name for excluded in EXCLUDED_SERVERS):
                continue
            
            is_running = get_server_running_status(short_uuid)
            
            server_info = {
                'name': name, 
                'uuid': short_uuid,
                'full_uuid': full_uuid,
                'running': is_running
            }
            
            if any(keyword in name.lower() for keyword in ['reclamation', 'stoneblock', 'society', 'vanilla', 'mons']):
                servers['TX1'].append(server_info)
            elif any(keyword in name.lower() for keyword in ['ember', 'minecolonies', 'mods', 'homestead', 'subterra']):
                servers['NC1'].append(server_info)
            else:
                servers['Unknown'].append(server_info)
        
        return servers
    except Exception as e:
        print(f"Error fetching servers: {e}")
        return {'TX1': [], 'NC1': [], 'Unknown': []}

@app.route('/')
@auth.login_required
def index():
    servers = get_servers()
    return render_template('index.html', servers=servers)

@app.route('/health')
def health():
    return jsonify({'service': 'whitelist-manager', 'status': 'healthy'})

@app.route('/api/servers')
@auth.login_required
def api_servers():
    return jsonify(get_servers())

@app.route('/api/activity')
@auth.login_required
def get_activity():
    """Get recent activity log"""
    return jsonify({'activity': activity_log[:10]})

@app.route('/api/check-whitelist/<server_uuid>', methods=['GET'])
@auth.login_required
def check_whitelist_status(server_uuid):
    """Check whitelist status"""
    loop = asyncio.new_event_loop()
    asyncio.set_event_loop(loop)
    status = loop.run_until_complete(check_whitelist_via_websocket(server_uuid))
    loop.close()
    
    return jsonify({'success': True, 'status': status})

@app.route('/api/get-whitelist/<server_uuid>', methods=['GET'])
@auth.login_required
def get_whitelist(server_uuid):
    """Get list of whitelisted players"""
    loop = asyncio.new_event_loop()
    asyncio.set_event_loop(loop)
    players = loop.run_until_complete(get_whitelist_players(server_uuid))
    loop.close()
    
    return jsonify({'success': True, 'players': players})

@app.route('/api/toggle-whitelist/<server_uuid>', methods=['POST'])
@auth.login_required
def toggle_whitelist(server_uuid):
    """Toggle whitelist on/off"""
    data = request.json
    enable = data.get('enable', True)
    
    loop = asyncio.new_event_loop()
    asyncio.set_event_loop(loop)
    success = loop.run_until_complete(toggle_whitelist_via_websocket(server_uuid, enable))
    loop.close()
    
    new_status = 'whitelisted' if enable else 'public'
    action = 'Enable whitelist' if enable else 'Disable whitelist'
    
    # Get server name
    servers = get_servers()
    server_name = None
    for node_servers in servers.values():
        for server in node_servers:
            if server['uuid'] == server_uuid:
                server_name = server['name']
                break
    
    log_activity(action, server=server_name, success=success)
    
    return jsonify({'success': success, 'status': new_status})

@app.route('/api/toggle-all-whitelist', methods=['POST'])
@auth.login_required
def toggle_all_whitelist():
    """Toggle whitelist on/off for ALL servers"""
    data = request.json
    enable = data.get('enable', True)
    
    servers = get_servers()
    all_servers = []
    for node_servers in servers.values():
        all_servers.extend([s for s in node_servers if s['running']])
    
    successes = 0
    failures = 0
    
    loop = asyncio.new_event_loop()
    asyncio.set_event_loop(loop)
    
    for server in all_servers:
        success = loop.run_until_complete(toggle_whitelist_via_websocket(server['uuid'], enable))
        if success:
            successes += 1
        else:
            failures += 1
    
    loop.close()
    
    action = f"{'Enable' if enable else 'Disable'} whitelist on ALL servers"
    log_activity(action, success=(failures == 0))
    
    return jsonify({
        'success': True,
        'message': f"{'Enabled' if enable else 'Disabled'} whitelist on {successes} servers ({failures} failed)"
    })

@app.route('/api/validate-player', methods=['POST'])
@auth.login_required
def validate_player():
    """Validate Minecraft username"""
    data = request.json
    player = data.get('player', '')
    
    if not validate_minecraft_username(player):
        return jsonify({'valid': False, 'message': 'Invalid username format (3-16 chars, alphanumeric + underscore)'})
    
    return jsonify({'valid': True})

@app.route('/api/whitelist/add', methods=['POST'])
@auth.login_required
def add_to_whitelist():
    data = request.json
    player = data.get('player')
    server_uuid = data.get('server_uuid')
    
    if not player or not server_uuid:
        return jsonify({'success': False, 'message': 'Missing player or server'}), 400
    
    if not validate_minecraft_username(player):
        return jsonify({'success': False, 'message': 'Invalid username format'}), 400
    
    headers = {
        'Authorization': f'Bearer {API_KEY}',
        'Content-Type': 'application/json',
        'Accept': 'application/json'
    }
    
    if is_uuid(player):
        command = f'whitelist add {player}'
        display_name = f'UUID {player[:8]}...'
    else:
        command = f'whitelist add {player}'
        display_name = player
    
    try:
        response = requests.post(
            f'{PTERODACTYL_URL}/api/client/servers/{server_uuid}/command',
            headers=headers,
            json={'command': command}
        )
        
        success = response.status_code == 204
        
        # Get server name
        servers = get_servers()
        server_name = None
        for node_servers in servers.values():
            for server in node_servers:
                if server['uuid'] == server_uuid:
                    server_name = server['name']
                    break
        
        log_activity('Add player', player=display_name, server=server_name, success=success)
        
        if success:
            return jsonify({'success': True, 'message': f'Added {display_name} to whitelist'})
        else:
            return jsonify({'success': False, 'message': f'API Error: {response.status_code}'}), 500
    except Exception as e:
        log_activity('Add player', player=display_name, server=server_name, success=False)
        return jsonify({'success': False, 'message': f'Error: {str(e)}'}), 500

@app.route('/api/whitelist/remove', methods=['POST'])
@auth.login_required
def remove_from_whitelist():
    data = request.json
    player = data.get('player')
    server_uuid = data.get('server_uuid')
    
    if not player or not server_uuid:
        return jsonify({'success': False, 'message': 'Missing player or server'}), 400
    
    headers = {
        'Authorization': f'Bearer {API_KEY}',
        'Content-Type': 'application/json',
        'Accept': 'application/json'
    }
    
    if is_uuid(player):
        command = f'whitelist remove {player}'
        display_name = f'UUID {player[:8]}...'
    else:
        command = f'whitelist remove {player}'
        display_name = player
    
    try:
        response = requests.post(
            f'{PTERODACTYL_URL}/api/client/servers/{server_uuid}/command',
            headers=headers,
            json={'command': command}
        )
        
        success = response.status_code == 204
        
        # Get server name
        servers = get_servers()
        server_name = None
        for node_servers in servers.values():
            for server in node_servers:
                if server['uuid'] == server_uuid:
                    server_name = server['name']
                    break
        
        log_activity('Remove player', player=display_name, server=server_name, success=success)
        
        if success:
            return jsonify({'success': True, 'message': f'Removed {display_name} from whitelist'})
        else:
            return jsonify({'success': False, 'message': f'API Error: {response.status_code}'}), 500
    except Exception as e:
        log_activity('Remove player', player=display_name, server=server_name, success=False)
        return jsonify({'success': False, 'message': f'Error: {str(e)}'}), 500

@app.route('/api/whitelist/add-all', methods=['POST'])
@auth.login_required
def add_to_all():
    data = request.json
    player = data.get('player')
    
    if not player:
        return jsonify({'success': False, 'message': 'Missing player name'}), 400
    
    if not validate_minecraft_username(player):
        return jsonify({'success': False, 'message': 'Invalid username format'}), 400
    
    servers = get_servers()
    all_servers = []
    for node_servers in servers.values():
        all_servers.extend(node_servers)
    
    headers = {
        'Authorization': f'Bearer {API_KEY}',
        'Content-Type': 'application/json',
        'Accept': 'application/json'
    }
    
    command = f'whitelist add {player}'
    successes = 0
    failures = 0
    
    if is_uuid(player):
        display_name = f'UUID {player[:8]}...'
    else:
        display_name = player
    
    for server in all_servers:
        try:
            response = requests.post(
                f'{PTERODACTYL_URL}/api/client/servers/{server["uuid"]}/command',
                headers=headers,
                json={'command': command}
            )
            if response.status_code == 204:
                successes += 1
            else:
                failures += 1
        except Exception as e:
            failures += 1
    
    log_activity('Bulk add player', player=display_name, server='ALL', success=(failures == 0))
    
    return jsonify({
        'success': True,
        'message': f'Added {display_name} to {successes} servers ({failures} failed)'
    })

@app.route('/api/whitelist/remove-all', methods=['POST'])
@auth.login_required
def remove_from_all():
    data = request.json
    player = data.get('player')
    
    if not player:
        return jsonify({'success': False, 'message': 'Missing player name'}), 400
    
    servers = get_servers()
    all_servers = []
    for node_servers in servers.values():
        all_servers.extend(node_servers)
    
    headers = {
        'Authorization': f'Bearer {API_KEY}',
        'Content-Type': 'application/json',
        'Accept': 'application/json'
    }
    
    command = f'whitelist remove {player}'
    successes = 0
    failures = 0
    
    if is_uuid(player):
        display_name = f'UUID {player[:8]}...'
    else:
        display_name = player
    
    for server in all_servers:
        try:
            response = requests.post(
                f'{PTERODACTYL_URL}/api/client/servers/{server["uuid"]}/command',
                headers=headers,
                json={'command': command}
            )
            if response.status_code == 204:
                successes += 1
            else:
                failures += 1
        except Exception as e:
            failures += 1
    
    log_activity('Bulk remove player', player=display_name, server='ALL', success=(failures == 0))
    
    return jsonify({
        'success': True,
        'message': f'Removed {display_name} from {successes} servers ({failures} failed)'
    })

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=5001)