#!/usr/bin/env bash
# Exult Agent Performance Monitor
# Run periodically (e.g., cron every 30 min) or manually
# Reports: response times, error rates, compaction frequency, task completion
set -uo pipefail

WORKSPACE="/Users/exult/claude-workspace"
TODAY=$(date +%Y-%m-%d)
DAILY_DIR="$WORKSPACE/sessions/daily/$TODAY"
REPORT_FILE="$DAILY_DIR/performance-report.md"

mkdir -p "$DAILY_DIR"

# Audit log stats
AUDIT_FILE="$DAILY_DIR/audit.log"
if [[ -f "$AUDIT_FILE" ]]; then
  TOTAL_ACTIONS=$(wc -l < "$AUDIT_FILE" | tr -d ' ')
  BASH_ACTIONS=$(grep -c "\[Bash\]" "$AUDIT_FILE" 2>/dev/null || echo 0)
  PLAYWRIGHT_ACTIONS=$(grep -c "\[mcp__playwright" "$AUDIT_FILE" 2>/dev/null || echo 0)
  SENDBLUE_REPLIES=$(grep -c "\[mcp__sendblue-channel__reply\]" "$AUDIT_FILE" 2>/dev/null || echo 0)
  ERRORS=$(grep -ci "error\|fail\|exception" "$AUDIT_FILE" 2>/dev/null || echo 0)
else
  TOTAL_ACTIONS=0; BASH_ACTIONS=0; PLAYWRIGHT_ACTIONS=0; SENDBLUE_REPLIES=0; ERRORS=0
fi

# Archive (compaction) count
ARCHIVE_COUNT=$(ls -1 "$DAILY_DIR/archive/" 2>/dev/null | wc -l | tr -d ' ')

# Subagent count
SUBAGENT_COUNT=$(ls -1 "$DAILY_DIR/subagents/" 2>/dev/null | wc -l | tr -d ' ')

# Message response analysis
MSG_FILE="$DAILY_DIR/messages.json"
if [[ -f "$MSG_FILE" ]] && python3 -c "import json; json.load(open('$MSG_FILE'))" 2>/dev/null; then
  MSG_STATS=$(python3 -c "
import json
with open('$MSG_FILE') as f:
    msgs = json.load(f)
inbound = [m for m in msgs if not m.get('isOutbound')]
outbound = [m for m in msgs if m.get('isOutbound')]
print(f'Inbound: {len(inbound)}, Outbound: {len(outbound)}')
" 2>/dev/null || echo "Parse error")
else
  MSG_STATS="No valid messages.json"
fi

# HANDOFF freshness
HANDOFF="$WORKSPACE/sessions/HANDOFF/HANDOFF.md"
if [[ -f "$HANDOFF" ]]; then
  HANDOFF_AGE=$(( $(date +%s) - $(stat -f %m "$HANDOFF" 2>/dev/null || echo 0) ))
  HANDOFF_STATUS="exists (${HANDOFF_AGE}s old)"
else
  HANDOFF_STATUS="MISSING"
fi

# Summary freshness
SUMMARY="$DAILY_DIR/summary.md"
if [[ -f "$SUMMARY" ]]; then
  SUMMARY_STATUS="exists"
else
  SUMMARY_STATUS="MISSING"
fi

# Write report
cat > "$REPORT_FILE" << EOF
# Exult Agent Performance Report
Generated: $(date -u +%Y-%m-%dT%H:%M:%SZ)
Date: $TODAY

## Activity
- Total tool actions: $TOTAL_ACTIONS
- Bash commands: $BASH_ACTIONS
- Playwright actions: $PLAYWRIGHT_ACTIONS
- Sendblue replies: $SENDBLUE_REPLIES
- Errors detected: $ERRORS
- Compaction cycles: $ARCHIVE_COUNT
- Subagents spawned: $SUBAGENT_COUNT

## Messages
$MSG_STATS

## Session Persistence
- HANDOFF.md: $HANDOFF_STATUS
- Daily summary: $SUMMARY_STATUS

## Issues
EOF

# Flag issues
ISSUES=0
if [[ "$HANDOFF_STATUS" == "MISSING" ]]; then
  echo "- HANDOFF.md is missing -- session persistence broken" >> "$REPORT_FILE"
  ISSUES=$((ISSUES+1))
fi
if [[ "$SUMMARY_STATUS" == "MISSING" && $TOTAL_ACTIONS -gt 100 ]]; then
  echo "- Daily summary missing despite $TOTAL_ACTIONS actions" >> "$REPORT_FILE"
  ISSUES=$((ISSUES+1))
fi
if [[ $ERRORS -gt 50 ]]; then
  echo "- High error rate: $ERRORS errors in audit log" >> "$REPORT_FILE"
  ISSUES=$((ISSUES+1))
fi
if [[ $ARCHIVE_COUNT -gt 20 ]]; then
  echo "- Excessive compaction ($ARCHIVE_COUNT cycles) -- context may be too large" >> "$REPORT_FILE"
  ISSUES=$((ISSUES+1))
fi
if [[ $ISSUES -eq 0 ]]; then
  echo "None detected." >> "$REPORT_FILE"
fi

echo "$REPORT_FILE"