#!/bin/bash
# Simple MEV Bot Opportunity Monitor
# Shows only arbitrage opportunities detected

echo "════════════════════════════════════════════════════════════"
echo "🎯 MEV Bot Opportunity Monitor"
echo "════════════════════════════════════════════════════════════"
echo ""
echo "Watching: logs/mev-bot.log"
echo "Press Ctrl+C to stop"
echo "════════════════════════════════════════════════════════════"
echo ""

# Color codes
GREEN='\033[0;32m'
RED='\033[0;31m'
YELLOW='\033[1;33m'
NC='\033[0m'

COUNT=0

tail -f logs/mev-bot.log | grep --line-buffered "OPPORTUNITY DETECTED" | while read line; do
    COUNT=$((COUNT + 1))
    TIMESTAMP=$(echo "$line" | grep -oP '\d{4}/\d{2}/\d{2} \d{2}:\d{2}:\d{2}')

    # Check if executable
    if echo "$line" | grep -q "isExecutable:true"; then
        echo -e "${GREEN}[$TIMESTAMP] ✅ #$COUNT - EXECUTABLE OPPORTUNITY!${NC}"

        # Extract profit
        PROFIT=$(echo "$line" | grep -oP 'netProfitETH:[0-9.-]+' | cut -d: -f2)
        echo -e "${GREEN}   💰 Net Profit: $PROFIT ETH${NC}"
    else
        echo -e "${YELLOW}[$TIMESTAMP] 🎯 #$COUNT - Opportunity (not profitable)${NC}"

        # Extract net profit
        PROFIT=$(echo "$line" | grep -oP 'netProfitETH:-?[0-9.]+' | cut -d: -f2)
        if [[ -n "$PROFIT" ]]; then
            echo -e "${RED}   ❌ Net Profit: $PROFIT ETH (loss)${NC}"
        fi

        # Extract reason
        REASON=$(echo "$line" | grep -oP 'rejectReason:[^}]+' | cut -d: -f2 | head -c 60)
        if [[ -n "$REASON" ]]; then
            echo -e "${RED}   ⚠️  Reason: $REASON${NC}"
        fi
    fi
    echo ""

    # Show stats every 10 opportunities
    if [ $((COUNT % 10)) -eq 0 ]; then
        echo -e "${YELLOW}────────────────────────────────────────────────────────────${NC}"
        echo -e "${YELLOW}📊 Total opportunities detected: $COUNT${NC}"
        echo -e "${YELLOW}────────────────────────────────────────────────────────────${NC}"
        echo ""
    fi
done