#!/usr/bin/env python3
"""
Discord bot for #remora channel - analyzes links in real-time
Posts summaries, adds to Tududi inbox, maintains JSON history
"""

import discord
import os
import json
import re
import requests
from datetime import datetime
from pathlib import Path
from dotenv import load_dotenv

# Load .env file
load_dotenv()

# Config
CHANNEL_ID = 1467557082583535729
TRACKER_FILE = Path(__file__).parent / "tracker.json"
TUDUDI_API_URL = os.getenv("TUDUDI_API_URL", "https://todo.dilain.com/api/v1")
TUDUDI_API_KEY = os.getenv("TUDUDI_API_KEY")
GATEWAY_URL = os.getenv("OPENCLAW_GATEWAY", "http://127.0.0.1:18789")
GATEWAY_TOKEN = os.getenv("OPENCLAW_GATEWAY_TOKEN")

# Load or init tracker
def load_tracker():
    if TRACKER_FILE.exists():
        with open(TRACKER_FILE) as f:
            return json.load(f)
    return {
        "channel_id": CHANNEL_ID,
        "processed_message_ids": [],
        "links": []
    }

def save_tracker(data):
    with open(TRACKER_FILE, "w") as f:
        json.dump(data, f, indent=2)

# Detect links in text
def extract_urls(text):
    url_pattern = r'https?://[^\s<>"{}|\\^`\[\]]+'
    return re.findall(url_pattern, text)

# Fetch and analyze URL
def analyze_url(url):
    """Fetch URL and create summary"""
    try:
        print(f"  📥 Fetching: {url}")
        response = requests.get(url, timeout=5, headers={
            'User-Agent': 'Mozilla/5.0'
        })
        content = response.text[:2000]  # First 2k chars
        
        # Extract title
        title_match = re.search(r'<title[^>]*>([^<]+)</title>', content, re.IGNORECASE)
        title = title_match.group(1).strip() if title_match else url.split('/')[-1]
        
        # Simple content type detection
        link_type = "webpage"
        if "github.com" in url:
            link_type = "GitHub"
        elif "reddit.com" in url:
            link_type = "Reddit"
        elif "youtube.com" in url or "youtu.be" in url:
            link_type = "YouTube"
        elif "tiktok.com" in url:
            link_type = "TikTok"
        elif "twitter.com" in url or "x.com" in url:
            link_type = "Twitter/X"
        
        return {
            "title": title,
            "type": link_type,
            "status": "ok"
        }
    except Exception as e:
        print(f"  ❌ Error fetching: {e}")
        return {
            "title": "Couldn't fetch",
            "type": "unknown",
            "status": "error",
            "error": str(e)
        }

# Send to Tududi inbox
def add_to_tududi(title, url, link_type):
    """Add to Tududi inbox with summary"""
    try:
        if not TUDUDI_API_KEY:
            print("  ⚠️ TUDUDI_API_KEY not set")
            return False
        
        content = f"📌 {link_type}: {title}\n🔗 {url}"
        
        response = requests.post(
            f"{TUDUDI_API_URL}/inbox",
            headers={
                "Authorization": f"Bearer {TUDUDI_API_KEY}",
                "Content-Type": "application/json"
            },
            json={"content": content},
            timeout=5
        )
        
        if response.status_code == 200:
            print(f"  ✅ Added to Tududi: {title}")
            return True
        else:
            print(f"  ⚠️ Tududi error: {response.status_code}")
            return False
    except Exception as e:
        print(f"  ❌ Tududi error: {e}")
        return False

# Discord bot
intents = discord.Intents.default()
intents.message_content = True

class LinkAnalyzerBot(discord.Client):
    async def on_ready(self):
        print(f"✅ Bot logged in as {self.user}")
        print(f"📍 Watching channel #remora ({CHANNEL_ID})")

    async def on_message(self, message):
        # Ignore bot's own messages
        if message.author == self.user:
            return
        
        # Only process #remora channel
        if message.channel.id != CHANNEL_ID:
            return
        
        # Check for URLs
        urls = extract_urls(message.content)
        if not urls:
            return
        
        # Skip if already processed
        tracker = load_tracker()
        if message.id in tracker["processed_message_ids"]:
            return
        
        print(f"🔗 New link from {message.author}: {message.content}")
        
        # Process each URL
        for url in urls:
            print(f"  Processing: {url}")
            
            # Analyze
            analysis = analyze_url(url)
            
            # Add to Tududi
            add_to_tududi(analysis["title"], url, analysis["type"])
            
            # Prepare response
            summary = f"📌 **{analysis['type']}**: {analysis['title']}"
            if analysis["status"] == "error":
                summary += f"\n⚠️ {analysis['error']}"
            
            # Post summary in channel
            await message.reply(summary, mention_author=False)
            
            # Add to tracker
            tracker["links"].append({
                "url": url,
                "title": analysis["title"],
                "type": analysis["type"],
                "author": str(message.author),
                "message_id": message.id,
                "date": datetime.now().isoformat(),
                "tududi": True
            })
        
        # Update processed IDs
        tracker["processed_message_ids"].append(message.id)
        save_tracker(tracker)

# Main
if __name__ == "__main__":
    token = os.getenv("DISCORD_BOT_TOKEN")
    if not token:
        print("❌ DISCORD_BOT_TOKEN not set!")
        print("Set it: export DISCORD_BOT_TOKEN='your_token'")
        exit(1)
    
    bot = LinkAnalyzerBot(intents=intents)
    bot.run(token)