#!/bin/bash
# Generate comprehensive test report from 24-hour run

set -e

LOG_DIR="logs/24h_test"
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

REPORT_FILE="${LOG_DIR}/report_$(date +%Y%m%d_%H%M%S).md"

echo "📊 Generating test report from: ${LATEST_LOG}"
echo "   Output: ${REPORT_FILE}"

cat > "${REPORT_FILE}" << EOF
# MEV Bot 24-Hour Validation Test Report
## Generated: $(date)

---

## Test Configuration

**Log File:** ${LATEST_LOG}
**Test Duration:** $(stat -c %y "${LATEST_LOG}" 2>/dev/null || stat -f %Sm "${LATEST_LOG}" 2>/dev/null) - $(date)
**Binary:** bin/mev-bot ($(ls -lh bin/mev-bot | awk '{print $5}'))

---

## Performance Statistics

### Block Processing
EOF

# Block stats
TOTAL_BLOCKS=$(grep -c "Processing.*transactions" "${LATEST_LOG}" 2>/dev/null || echo "0")
echo "- **Total Blocks Processed:** ${TOTAL_BLOCKS}" >> "${REPORT_FILE}"

# DEX transaction stats
TOTAL_DEX=$(grep -c "DEX Transaction detected" "${LATEST_LOG}" 2>/dev/null || echo "0")
echo "- **DEX Transactions:** ${TOTAL_DEX}" >> "${REPORT_FILE}"

# Calculate rate
if [ "${TOTAL_BLOCKS}" -gt "0" ]; then
    DEX_RATE=$(awk "BEGIN {printf \"%.2f\", (${TOTAL_DEX} / ${TOTAL_BLOCKS}) * 100}")
    echo "- **DEX Transaction Rate:** ${DEX_RATE}%" >> "${REPORT_FILE}"
fi

cat >> "${REPORT_FILE}" << EOF

### Arbitrage Opportunities
EOF

# Opportunity stats
TOTAL_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")
REJECTED=$(grep "ARBITRAGE OPPORTUNITY" "${LATEST_LOG}" 2>/dev/null | grep -c "isExecutable:false" || echo "0")

echo "- **Total Opportunities Detected:** ${TOTAL_OPPS}" >> "${REPORT_FILE}"
echo "- **Profitable (Executable):** ${PROFITABLE}" >> "${REPORT_FILE}"
echo "- **Rejected (Unprofitable):** ${REJECTED}" >> "${REPORT_FILE}"

if [ "${TOTAL_OPPS}" -gt "0" ]; then
    SUCCESS_RATE=$(awk "BEGIN {printf \"%.2f\", (${PROFITABLE} / ${TOTAL_OPPS}) * 100}")
    echo "- **Success Rate:** ${SUCCESS_RATE}%" >> "${REPORT_FILE}"
fi

cat >> "${REPORT_FILE}" << EOF

### Cache Performance
EOF

# Cache stats
CACHE_LOGS=$(grep "Reserve cache metrics" "${LATEST_LOG}" 2>/dev/null | tail -1)
if [ -n "${CACHE_LOGS}" ]; then
    echo "\`\`\`" >> "${REPORT_FILE}"
    echo "${CACHE_LOGS}" >> "${REPORT_FILE}"
    echo "\`\`\`" >> "${REPORT_FILE}"
else
    echo "- **Status:** No cache metrics logged (multihop scanner not triggered)" >> "${REPORT_FILE}"
fi

cat >> "${REPORT_FILE}" << EOF

### Error Analysis
EOF

# Error stats
TOTAL_ERRORS=$(grep -c "\[ERROR\]" "${LATEST_LOG}" 2>/dev/null || echo "0")
TOTAL_WARNS=$(grep -c "\[WARN\]" "${LATEST_LOG}" 2>/dev/null || echo "0")

echo "- **Total Errors:** ${TOTAL_ERRORS}" >> "${REPORT_FILE}"
echo "- **Total Warnings:** ${TOTAL_WARNS}" >> "${REPORT_FILE}"

if [ "${TOTAL_ERRORS}" -gt "0" ]; then
    echo "" >> "${REPORT_FILE}"
    echo "**Recent Errors:**" >> "${REPORT_FILE}"
    echo "\`\`\`" >> "${REPORT_FILE}"
    grep "\[ERROR\]" "${LATEST_LOG}" 2>/dev/null | tail -10 >> "${REPORT_FILE}"
    echo "\`\`\`" >> "${REPORT_FILE}"
fi

cat >> "${REPORT_FILE}" << EOF

---

## Top Opportunities

EOF

# Extract top opportunities by profit
echo "### Most Profitable Opportunities (Top 10)" >> "${REPORT_FILE}"
echo "" >> "${REPORT_FILE}"

grep "ARBITRAGE OPPORTUNITY" "${LATEST_LOG}" 2>/dev/null | \
    grep -o 'netProfitETH:[^ ]*' | \
    sort -t: -k2 -rn | \
    head -10 | \
    nl | \
    sed 's/^/- /' >> "${REPORT_FILE}" || echo "- No opportunities found" >> "${REPORT_FILE}"

cat >> "${REPORT_FILE}" << EOF

---

## Protocol Distribution

EOF

# Protocol breakdown
echo "### Transactions by Protocol" >> "${REPORT_FILE}"
echo "" >> "${REPORT_FILE}"

grep "protocol:" "${LATEST_LOG}" 2>/dev/null | \
    grep -o 'protocol:[A-Za-z0-9_]*' | \
    sort | uniq -c | sort -rn | \
    awk '{printf "- **%s:** %d transactions\n", $2, $1}' >> "${REPORT_FILE}" || \
    echo "- No protocol data available" >> "${REPORT_FILE}"

cat >> "${REPORT_FILE}" << EOF

---

## System Stability

### Uptime
EOF

# Check if still running
PID_FILE="${LOG_DIR}/mev-bot.pid"
if [ -f "${PID_FILE}" ]; then
    PID=$(cat "${PID_FILE}")
    if ps -p "${PID}" > /dev/null 2>&1; then
        UPTIME=$(ps -o etime= -p "${PID}" | tr -d ' ')
        echo "- **Status:** ✅ Running" >> "${REPORT_FILE}"
        echo "- **Uptime:** ${UPTIME}" >> "${REPORT_FILE}"
    else
        echo "- **Status:** ❌ Not Running" >> "${REPORT_FILE}"
    fi
else
    echo "- **Status:** ⚠️  Unknown (PID file not found)" >> "${REPORT_FILE}"
fi

### Crashes
CRASHES=$(grep -c "panic\|fatal" "${LATEST_LOG}" 2>/dev/null || echo "0")
echo "- **Crashes:** ${CRASHES}" >> "${REPORT_FILE}"

cat >> "${REPORT_FILE}" << EOF

---

## Profit Calculation Validation

### Calculation Accuracy
EOF

# Check for overflows
OVERFLOWS=$(grep "ROI:" "${LATEST_LOG}" 2>/dev/null | \
    awk -F'ROI:' '{print $2}' | \
    awk '{if ($1 > 1000000) print $0}' | \
    wc -l)

echo "- **Overflow Errors:** ${OVERFLOWS}" >> "${REPORT_FILE}"

if [ "${OVERFLOWS}" -eq "0" ]; then
    echo "- **Status:** ✅ No calculation overflows detected" >> "${REPORT_FILE}"
else
    echo "- **Status:** ⚠️  Calculation issues detected" >> "${REPORT_FILE}"
fi

cat >> "${REPORT_FILE}" << EOF

### Gas Cost Calculations
EOF

# Sample gas costs
echo "\`\`\`" >> "${REPORT_FILE}"
grep "gasCostETH:" "${LATEST_LOG}" 2>/dev/null | head -5 >> "${REPORT_FILE}" || echo "No gas cost data" >> "${REPORT_FILE}"
echo "\`\`\`" >> "${REPORT_FILE}"

cat >> "${REPORT_FILE}" << EOF

---

## Recommendations

EOF

# Generate recommendations
if [ "${PROFITABLE}" -gt "0" ]; then
    echo "✅ **PROFIT READY** - Detected ${PROFITABLE} profitable opportunities" >> "${REPORT_FILE}"
    echo "" >> "${REPORT_FILE}"
    echo "**Next Steps:**" >> "${REPORT_FILE}"
    echo "1. Review profitable opportunities for execution" >> "${REPORT_FILE}"
    echo "2. Implement execution path with flash loans" >> "${REPORT_FILE}"
    echo "3. Test execution on fork/testnet" >> "${REPORT_FILE}"
elif [ "${TOTAL_OPPS}" -gt "0" ]; then
    echo "⏳ **DETECTION WORKING** - Found ${TOTAL_OPPS} opportunities, all rejected as unprofitable" >> "${REPORT_FILE}"
    echo "" >> "${REPORT_FILE}"
    echo "**Next Steps:**" >> "${REPORT_FILE}"
    echo "1. Continue monitoring during high volatility periods" >> "${REPORT_FILE}"
    echo "2. Consider lowering profit thresholds (currently rejecting small profits)" >> "${REPORT_FILE}"
    echo "3. Verify gas cost calculations are accurate" >> "${REPORT_FILE}"
else
    echo "⚠️  **NO OPPORTUNITIES** - No arbitrage opportunities detected" >> "${REPORT_FILE}"
    echo "" >> "${REPORT_FILE}"
    echo "**Possible Reasons:**" >> "${REPORT_FILE}"
    echo "1. Low market volatility during test period" >> "${REPORT_FILE}"
    echo "2. Efficient markets (arbitrage opportunities filled quickly)" >> "${REPORT_FILE}"
    echo "3. Detection parameters need tuning" >> "${REPORT_FILE}"
fi

if [ "${TOTAL_ERRORS}" -gt "50" ]; then
    echo "" >> "${REPORT_FILE}"
    echo "⚠️  **HIGH ERROR RATE** - ${TOTAL_ERRORS} errors logged" >> "${REPORT_FILE}"
    echo "Review error logs and fix issues before production deployment" >> "${REPORT_FILE}"
fi

if [ -z "${CACHE_LOGS}" ]; then
    echo "" >> "${REPORT_FILE}"
    echo "📊 **CACHE NOT VALIDATED** - Multihop scanner not triggered during test" >> "${REPORT_FILE}"
    echo "Cache performance metrics unavailable - consider extending test duration" >> "${REPORT_FILE}"
fi

cat >> "${REPORT_FILE}" << EOF

---

## Raw Data

**Log File:** \`${LATEST_LOG}\`
**Report Generated:** $(date)

---

*This report was automatically generated by the MEV bot test harness*
EOF

echo "✅ Report generated: ${REPORT_FILE}"
echo ""
echo "📊 Summary:"
echo "   Blocks: ${TOTAL_BLOCKS}"
echo "   DEX Txs: ${TOTAL_DEX}"
echo "   Opportunities: ${TOTAL_OPPS} (${PROFITABLE} profitable)"
echo "   Errors: ${TOTAL_ERRORS}"
echo ""
cat "${REPORT_FILE}"