#!/bin/bash
# 24-Hour MEV Bot Validation Test
# Starts bot in background with comprehensive logging

set -e

echo "🚀 Starting 24-Hour MEV Bot Validation Test"
echo "Time: $(date)"
echo "============================================"

# Configuration
LOG_DIR="logs/24h_test"
MAIN_LOG="${LOG_DIR}/test_$(date +%Y%m%d_%H%M%S).log"
PID_FILE="${LOG_DIR}/mev-bot.pid"
MONITOR_LOG="${LOG_DIR}/monitor.log"

# Create log directory
mkdir -p "${LOG_DIR}"

# Check if already running
if [ -f "${PID_FILE}" ]; then
    PID=$(cat "${PID_FILE}")
    if ps -p "${PID}" > /dev/null 2>&1; then
        echo "❌ MEV bot already running with PID ${PID}"
        echo "Stop it first with: kill ${PID}"
        exit 1
    else
        echo "⚠️  Removing stale PID file"
        rm -f "${PID_FILE}"
    fi
fi

# Start MEV bot in background
echo "📊 Starting MEV bot..."
PROVIDER_CONFIG_PATH=$PWD/config/providers_runtime.yaml \
    nohup ./bin/mev-bot start > "${MAIN_LOG}" 2>&1 &

BOT_PID=$!
echo ${BOT_PID} > "${PID_FILE}"

# Wait a moment for startup
sleep 3

# Check if still running
if ! ps -p ${BOT_PID} > /dev/null 2>&1; then
    echo "❌ Bot failed to start. Check logs:"
    tail -50 "${MAIN_LOG}"
    rm -f "${PID_FILE}"
    exit 1
fi

echo "✅ MEV bot started successfully"
echo "   PID: ${BOT_PID}"
echo "   Log: ${MAIN_LOG}"
echo ""
echo "📊 Test will run for 24 hours"
echo "   Started: $(date)"
echo "   Expected end: $(date -d '+24 hours' 2>/dev/null || date -v +24H 2>/dev/null || echo 'in 24 hours')"
echo ""
echo "📝 Monitor with:"
echo "   tail -f ${MAIN_LOG}"
echo "   ./scripts/monitor-24h-test.sh"
echo ""
echo "🛑 Stop with:"
echo "   kill ${BOT_PID}"
echo "   # or"
echo "   ./scripts/stop-24h-test.sh"
echo ""

# Create monitoring script
cat > ./scripts/monitor-24h-test.sh << 'EOF'
#!/bin/bash
# Monitor 24-hour test progress

LOG_DIR="logs/24h_test"
PID_FILE="${LOG_DIR}/mev-bot.pid"

if [ ! -f "${PID_FILE}" ]; then
    echo "❌ No test running (PID file not found)"
    exit 1
fi

PID=$(cat "${PID_FILE}")
if ! ps -p "${PID}" > /dev/null 2>&1; then
    echo "❌ Bot not running (PID ${PID} not found)"
    exit 1
fi

# Find latest log
LATEST_LOG=$(ls -t ${LOG_DIR}/test_*.log 2>/dev/null | head -1)

if [ -z "${LATEST_LOG}" ]; then
    echo "❌ No log file found"
    exit 1
fi

echo "📊 MEV Bot 24-Hour Test Monitor"
echo "================================"
echo "PID: ${PID}"
echo "Log: ${LATEST_LOG}"
echo "Running since: $(ps -o lstart= -p ${PID})"
echo ""

# Stats
echo "📈 Statistics:"
BLOCKS=$(grep -c "Processing.*transactions" "${LATEST_LOG}" 2>/dev/null || echo "0")
DEX=$(grep -c "DEX Transaction detected" "${LATEST_LOG}" 2>/dev/null || echo "0")
OPPS=$(grep -c "ARBITRAGE OPPORTUNITY" "${LATEST_LOG}" 2>/dev/null || echo "0")
PROFITABLE=$(grep "ARBITRAGE OPPORTUNITY" "${LATEST_LOG}" 2>/dev/null | grep -c "isExecutable:true" || echo "0")

echo "  Blocks processed: ${BLOCKS}"
echo "  DEX transactions: ${DEX}"
echo "  Opportunities: ${OPPS}"
echo "  Profitable: ${PROFITABLE}"
echo ""

# Recent activity
echo "🔍 Recent Activity (last 10 opportunities):"
grep "ARBITRAGE OPPORTUNITY" "${LATEST_LOG}" 2>/dev/null | tail -10 | while read line; do
    echo "  $(echo $line | grep -o 'netProfitETH:[^ ]*' || echo 'N/A')"
done
echo ""

# Cache metrics
echo "💾 Cache Metrics:"
grep "Reserve cache metrics" "${LATEST_LOG}" 2>/dev/null | tail -1 || echo "  Not available yet"
echo ""

# Errors
ERRORS=$(grep -c "\[ERROR\]" "${LATEST_LOG}" 2>/dev/null || echo "0")
echo "⚠️  Errors: ${ERRORS}"
if [ "${ERRORS}" -gt "0" ]; then
    echo "  Recent errors:"
    grep "\[ERROR\]" "${LATEST_LOG}" 2>/dev/null | tail -3 | sed 's/^/    /'
fi
echo ""

echo "📝 Live monitoring:"
echo "  tail -f ${LATEST_LOG} | grep -E 'ARBITRAGE|ERROR|Reserve cache'"
EOF

chmod +x ./scripts/monitor-24h-test.sh

# Create stop script
cat > ./scripts/stop-24h-test.sh << 'EOF'
#!/bin/bash
# Stop 24-hour test

LOG_DIR="logs/24h_test"
PID_FILE="${LOG_DIR}/mev-bot.pid"

if [ ! -f "${PID_FILE}" ]; then
    echo "❌ No test running (PID file not found)"
    exit 1
fi

PID=$(cat "${PID_FILE}")
echo "🛑 Stopping MEV bot (PID ${PID})..."

if ps -p "${PID}" > /dev/null 2>&1; then
    kill "${PID}"
    echo "   Waiting for graceful shutdown..."

    # Wait up to 10 seconds
    for i in {1..10}; do
        if ! ps -p "${PID}" > /dev/null 2>&1; then
            echo "✅ Bot stopped successfully"
            rm -f "${PID_FILE}"
            exit 0
        fi
        sleep 1
    done

    # Force kill if still running
    echo "⚠️  Forcing shutdown..."
    kill -9 "${PID}" 2>/dev/null
    rm -f "${PID_FILE}"
    echo "✅ Bot forcefully stopped"
else
    echo "⚠️  Bot not running, cleaning up PID file"
    rm -f "${PID_FILE}"
fi

# Generate final report
echo ""
echo "📊 Generating final report..."
./scripts/generate-test-report.sh
EOF

chmod +x ./scripts/stop-24h-test.sh

echo "✅ 24-hour test started successfully!"
echo ""
echo "🎯 Next: Run monitoring script to track progress"
echo "   ./scripts/monitor-24h-test.sh"