#!/usr/bin/env python3
"""
Feed Hunter Monitor Status Checker
Shows the current status of the monitoring system and recent alerts
"""

import json
import sys
from datetime import datetime, timezone, timedelta
from pathlib import Path

PROJECT_DIR = Path(__file__).parent
STATUS_FILE = PROJECT_DIR / "data" / "monitor_status.json"

def load_monitor_status() -> dict:
    """Load monitor status from file"""
    if STATUS_FILE.exists():
        try:
            return json.loads(STATUS_FILE.read_text())
        except:
            pass
    
    return {
        "alert_timestamps": [],
        "last_portal_up": None,
        "last_chrome_up": None,
        "consecutive_chrome_failures": 0,
        "consecutive_portal_failures": 0,
        "last_successful_scrape": None,
    }

def format_timestamp(ts):
    """Format timestamp for display"""
    if not ts:
        return "Never"
    try:
        dt = datetime.fromtimestamp(ts, tz=timezone.utc)
        return dt.strftime("%Y-%m-%d %H:%M:%S UTC")
    except:
        return str(ts)

def format_time_ago(ts):
    """Format time ago for display"""
    if not ts:
        return "Never"
    try:
        dt = datetime.fromtimestamp(ts, tz=timezone.utc)
        now = datetime.now(timezone.utc)
        diff = now - dt
        
        if diff.total_seconds() < 60:
            return f"{int(diff.total_seconds())}s ago"
        elif diff.total_seconds() < 3600:
            return f"{int(diff.total_seconds() / 60)}m ago"
        else:
            return f"{int(diff.total_seconds() / 3600)}h ago"
    except:
        return str(ts)

def main():
    """Main status display"""
    status = load_monitor_status()
    now = datetime.now(timezone.utc)
    
    print("=== Feed Hunter Monitor Status ===")
    print(f"Current time: {now.strftime('%Y-%m-%d %H:%M:%S UTC')}")
    print()
    
    # Portal status
    print("🌐 Portal Status:")
    if status["consecutive_portal_failures"] == 0:
        print(f"   ✅ UP (last seen: {format_time_ago(status['last_portal_up'])})")
    else:
        print(f"   ❌ DOWN ({status['consecutive_portal_failures']} consecutive failures)")
        print(f"      Last UP: {format_time_ago(status['last_portal_up'])}")
    print()
    
    # Chrome status
    print("🔧 Chrome Debug Port:")
    if status["consecutive_chrome_failures"] == 0:
        print(f"   ✅ UP (last seen: {format_time_ago(status['last_chrome_up'])})")
    else:
        print(f"   ❌ DOWN ({status['consecutive_chrome_failures']} consecutive failures)")
        print(f"      Last UP: {format_time_ago(status['last_chrome_up'])}")
    print()
    
    # Recent alerts
    now_ts = int(now.timestamp())
    recent_alerts = [ts for ts in status["alert_timestamps"] if now_ts - ts < 3600]
    
    print("📢 Alert Status:")
    print(f"   Recent alerts (last hour): {len(recent_alerts)}")
    print(f"   Rate limit status: {len(recent_alerts)}/3 per hour")
    print()
    
    # System health summary
    print("📊 System Health Summary:")
    if status["consecutive_portal_failures"] == 0 and status["consecutive_chrome_failures"] == 0:
        print("   🟢 All systems operational")
    elif status["consecutive_portal_failures"] > 0 or status["consecutive_chrome_failures"] > 3:
        print("   🔴 Critical issues detected")
    else:
        print("   🟡 Minor issues detected")
    print()
    
    # Service status
    print("⚙️  Systemd Services:")
    try:
        import subprocess
        
        # Check if timers are active
        result = subprocess.run(
            ["systemctl", "--user", "is-active", "feed-hunter-portal-monitor-business.timer"],
            capture_output=True, text=True
        )
        business_timer = result.stdout.strip()
        
        result = subprocess.run(
            ["systemctl", "--user", "is-active", "feed-hunter-portal-monitor-offhours.timer"],
            capture_output=True, text=True
        )
        offhours_timer = result.stdout.strip()
        
        print(f"   Business Hours Timer: {business_timer}")
        print(f"   Off-Hours Timer: {offhours_timer}")
        
        # Show next scheduled runs
        result = subprocess.run(
            ["systemctl", "--user", "list-timers", "feed-hunter-portal-monitor-*"],
            capture_output=True, text=True
        )
        if result.returncode == 0 and result.stdout:
            print("\n   📅 Next scheduled runs:")
            lines = result.stdout.split('\n')
            for line in lines[1:]:  # Skip header
                if 'feed-hunter-portal-monitor' in line:
                    print(f"      {line.strip()}")
        
    except Exception as e:
        print(f"   Error checking systemd status: {e}")

if __name__ == "__main__":
    main()