#!/bin/bash
# Diagnostic script for Claude Code Monitor hooks

echo "=== Claude Code Monitor - Diagnostics ==="
echo ""

# 1. Check config file
echo "1. Checking config file..."
if [ -f ~/.claude/monitor_url ]; then
  MONITOR_URL=$(cat ~/.claude/monitor_url)
  echo "   ✓ Config file exists: ~/.claude/monitor_url"
  echo "   URL: $MONITOR_URL"
else
  echo "   ✗ Config file not found: ~/.claude/monitor_url"
  MONITOR_URL="${CLAUDE_MONITOR_URL:-http://localhost:8000}"
  echo "   Using: $MONITOR_URL (env/default)"
fi
echo ""

# 2. Check backend connectivity
echo "2. Testing backend connectivity..."
if curl -s --connect-timeout 3 "$MONITOR_URL/health" > /dev/null 2>&1; then
  echo "   ✓ Backend is reachable at $MONITOR_URL"
  HEALTH=$(curl -s "$MONITOR_URL/health")
  echo "   Response: $HEALTH"
else
  echo "   ✗ Backend is NOT reachable at $MONITOR_URL"
  echo "   Make sure Docker is running and backend is accessible"
fi
echo ""

# 3. Check hooks installation
echo "3. Checking hooks installation..."
HOOKS_DIR="$HOME/.claude/hooks"
if [ -d "$HOOKS_DIR" ]; then
  echo "   ✓ Hooks directory exists: $HOOKS_DIR"
  echo "   Installed hooks:"
  ls -lh "$HOOKS_DIR"/*.sh 2>/dev/null | awk '{print "     " $9 " (" $1 ")"}'
else
  echo "   ✗ Hooks directory not found: $HOOKS_DIR"
fi
echo ""

# 4. Check hooks are executable
echo "4. Checking hook permissions..."
for hook in "$HOOKS_DIR"/*.sh; do
  if [ -f "$hook" ]; then
    if [ -x "$hook" ]; then
      echo "   ✓ $(basename $hook) is executable"
    else
      echo "   ✗ $(basename $hook) is NOT executable"
      echo "     Run: chmod +x $hook"
    fi
  fi
done
echo ""

# 5. Test a hook manually
echo "5. Testing session_start hook manually..."
if [ -f "$HOOKS_DIR/session_start.sh" ]; then
  TEST_INPUT='{"session_id":"diagnostic-test","timestamp":1234567890}'
  echo "   Sending test event: $TEST_INPUT"
  echo "$TEST_INPUT" | "$HOOKS_DIR/session_start.sh"
  sleep 2

  # Check if event was received
  echo "   Checking if event was received by backend..."
  EVENTS=$(curl -s "$MONITOR_URL/api/events?page=1&page_size=5" 2>/dev/null)
  if echo "$EVENTS" | grep -q "diagnostic-test"; then
    echo "   ✓ Test event received by backend!"
  else
    echo "   ✗ Test event NOT found in backend"
    echo "   Recent events:"
    echo "$EVENTS" | jq '.events[0:2]' 2>/dev/null || echo "$EVENTS"
  fi
else
  echo "   ✗ session_start.sh not found"
fi
echo ""

# 6. Check settings.json
echo "6. Checking Claude Code settings.json..."
if [ -f ~/.claude/settings.json ]; then
  echo "   ✓ settings.json exists"
  echo "   Configured hooks:"
  cat ~/.claude/settings.json | jq -r '.hooks | keys[]' 2>/dev/null | sed 's/^/     /'
else
  echo "   ✗ settings.json not found"
  echo "   You need to configure hooks in ~/.claude/settings.json"
fi
echo ""

# 7. Check debug log
echo "7. Checking debug log..."
if [ -f /tmp/claude_monitor_debug.log ]; then
  echo "   ✓ Debug log exists: /tmp/claude_monitor_debug.log"
  echo "   Last 10 lines:"
  tail -10 /tmp/claude_monitor_debug.log | sed 's/^/     /'
else
  echo "   ✗ No debug log found (this is normal if debug hook wasn't used)"
fi
echo ""

echo "=== Diagnostics Complete ==="
echo ""
echo "Next steps:"
echo "1. If backend is not reachable, check Docker: docker-compose ps"
echo "2. If hooks are not executable, run: chmod +x ~/.claude/hooks/*.sh"
echo "3. If manual test works but Claude Code doesn't send events:"
echo "   - Make sure Claude Code is using the correct settings.json"
echo "   - Try restarting Claude Code"
echo "   - Check if hooks are being called by adding debug output"