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#!/usr/bin/env python3
"""
Live status dashboard for Alpha MC — serves on port 7860.
Reads /tmp/mc_status.json and log files to show real-time info.
"""

import http.server
import json
import os
import subprocess
import time
from datetime import datetime

STATUS_FILE = "/tmp/mc_status.json"
MC_LOG = "/data/logs/minecraft.log"
PLAYIT_LOG = "/data/playit_gg/playit.log"
MONITOR_LOG = "/data/logs/monitor.log"  # kept for compat

def read_status():
    try:
        with open(STATUS_FILE) as f:
            return json.load(f)
    except Exception:
        return {
            "mc_online": False,
            "playit_online": False,
            "tunnel_address": "",
            "started_at": "",
            "uptime": "unknown"
        }

def tail_file(path, lines=30):
    try:
        result = subprocess.run(
            ["tail", "-n", str(lines), path],
            capture_output=True, text=True, timeout=3
        )
        return result.stdout.strip() or "(no logs yet)"
    except Exception:
        return "(log unavailable)"

def get_system_stats():
    try:
        mem = subprocess.run(["free", "-h"], capture_output=True, text=True).stdout
        mem_line = [l for l in mem.splitlines() if l.startswith("Mem:")][0].split()
        mem_used, mem_total = mem_line[2], mem_line[1]
    except Exception:
        mem_used, mem_total = "?", "?"

    try:
        disk = subprocess.run(["df", "-h", "/data"], capture_output=True, text=True).stdout
        disk_line = disk.splitlines()[1].split()
        disk_used, disk_total, disk_pct = disk_line[2], disk_line[1], disk_line[4]
    except Exception:
        disk_used, disk_total, disk_pct = "?", "?", "?"

    try:
        load = subprocess.run(["uptime"], capture_output=True, text=True).stdout
        load = load.split("load average:")[-1].strip()
    except Exception:
        load = "?"

    return {
        "mem_used": mem_used, "mem_total": mem_total,
        "disk_used": disk_used, "disk_total": disk_total, "disk_pct": disk_pct,
        "load": load
    }

def get_tunnel_address():
    """Try to extract the live tunnel address from playit log."""
    try:
        result = subprocess.run(
            ["grep", "-oE", r"[a-z0-9-]+\.playit\.gg(:[0-9]+)?", PLAYIT_LOG],
            capture_output=True, text=True, timeout=3
        )
        addr = result.stdout.strip().splitlines()
        return addr[0] if addr else ""
    except Exception:
        return ""

def render_html():
    status = read_status()
    stats = get_system_stats()
    tunnel = get_tunnel_address() or status.get("tunnel_address", "")
    mc_log = tail_file(MC_LOG, 40)
    now = datetime.now().strftime("%Y-%m-%d %H:%M:%S")

    mc_status_color = "#4ade80" if status.get("mc_online") else "#f87171"
    mc_status_text  = "🟢 Online" if status.get("mc_online") else "🔴 Offline"
    tunnel_color    = "#4ade80" if tunnel else "#facc15"
    tunnel_text     = tunnel if tunnel else "Waiting for tunnel..."

    return f"""<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="refresh" content="15">
<title>⛏️ Alpha MC — Status</title>
<style>
  * {{ box-sizing: border-box; margin: 0; padding: 0; }}
  body {{
    background: #0f1117;
    color: #e2e8f0;
    font-family: 'Segoe UI', system-ui, sans-serif;
    padding: 24px;
    min-height: 100vh;
  }}
  h1 {{ font-size: 1.8rem; color: #4ade80; margin-bottom: 4px; }}
  .subtitle {{ color: #64748b; font-size: 0.9rem; margin-bottom: 24px; }}
  .grid {{ display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 24px; }}
  .card {{
    background: #1e2333;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #2d3748;
  }}
  .card-label {{ color: #64748b; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 6px; }}
  .card-value {{ font-size: 1.2rem; font-weight: 600; }}
  .tunnel-box {{
    background: #1e2333;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #2d3748;
    margin-bottom: 24px;
  }}
  .tunnel-addr {{
    font-family: monospace;
    font-size: 1.4rem;
    color: {tunnel_color};
    word-break: break-all;
    margin-top: 8px;
  }}
  .log-box {{
    background: #0a0c10;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #2d3748;
  }}
  .log-box h2 {{ color: #94a3b8; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 12px; }}
  pre {{
    font-family: 'Cascadia Code', 'Fira Code', monospace;
    font-size: 0.78rem;
    color: #94a3b8;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.5;
    max-height: 400px;
    overflow-y: auto;
  }}
  .badge {{
    display: inline-block;
    background: #2d3748;
    border-radius: 6px;
    padding: 2px 10px;
    font-size: 0.8rem;
    margin-left: 8px;
    vertical-align: middle;
  }}
  .footer {{ color: #334155; font-size: 0.75rem; margin-top: 20px; text-align: center; }}
</style>
</head>
<body>
  <h1>⛏️ Alpha MC</h1>
  <p class="subtitle">Minecraft Bedrock Server · Auto-refreshes every 15s · Last updated: {now}</p>

  <div class="grid">
    <div class="card">
      <div class="card-label">Server Status</div>
      <div class="card-value" style="color:{mc_status_color}">{mc_status_text}</div>
    </div>
    <div class="card">
      <div class="card-label">RAM Usage</div>
      <div class="card-value">{stats['mem_used']} <span style="color:#64748b;font-size:0.9rem">/ {stats['mem_total']}</span></div>
    </div>
    <div class="card">
      <div class="card-label">Disk Usage</div>
      <div class="card-value">{stats['disk_used']} <span style="color:#64748b;font-size:0.9rem">/ {stats['disk_total']} ({stats['disk_pct']})</span></div>
    </div>
    <div class="card">
      <div class="card-label">CPU Load</div>
      <div class="card-value">{stats['load']}</div>
    </div>
  </div>

  <div class="tunnel-box">
    <div class="card-label">🔗 Connect Address <span class="badge">Minecraft → Add Server → paste below</span></div>
    <div class="tunnel-addr">{tunnel_text}</div>
  </div>

  <div class="log-box">
    <h2>📋 Minecraft Server Log (last 40 lines)</h2>
    <pre>{mc_log}</pre>
  </div>

  <p class="footer">Alpha MC · Powered by HuggingFace Spaces + playit.gg · Page auto-refreshes every 15 seconds</p>
</body>
</html>"""


class StatusHandler(http.server.BaseHTTPRequestHandler):
    def do_GET(self):
        html = render_html()
        self.send_response(200)
        self.send_header("Content-Type", "text/html; charset=utf-8")
        self.send_header("Content-Length", str(len(html.encode())))
        self.end_headers()
        self.wfile.write(html.encode())

    def log_message(self, format, *args):
        pass  # suppress access logs


if __name__ == "__main__":
    server = http.server.HTTPServer(("0.0.0.0", 7860), StatusHandler)
    print(f"[OK] Status dashboard running on http://0.0.0.0:7860")
    server.serve_forever()