# Create .claude directory in current project
mkdir -p .claude && echo ".claude directory ready"

# Extract old version before download
OLD_VERSION=$(grep -m1 "^# oh-my-claudecode" .claude/CLAUDE.md 2>/dev/null | grep -oE 'v[0-9]+\.[0-9]+\.[0-9]+' || echo "none")

# Download fresh CLAUDE.md from GitHub
curl -fsSL "https://raw.githubusercontent.com/Yeachan-Heo/oh-my-claudecode/main/docs/CLAUDE.md" -o .claude/CLAUDE.md && \
echo "Downloaded CLAUDE.md to .claude/CLAUDE.md"

# Extract new version and report
NEW_VERSION=$(grep -m1 "^# oh-my-claudecode" .claude/CLAUDE.md 2>/dev/null | grep -oE 'v[0-9]+\.[0-9]+\.[0-9]+' || echo "unknown")
if [ "$OLD_VERSION" = "none" ]; then
  echo "Installed CLAUDE.md: $NEW_VERSION"
elif [ "$OLD_VERSION" = "$NEW_VERSION" ]; then
  echo "CLAUDE.md unchanged: $NEW_VERSION"
else
  echo "Updated CLAUDE.md: $OLD_VERSION -> $NEW_VERSION"
fi

grep -q "oh-my-claudecode" ~/.claude/settings.json && echo "Plugin verified" || echo "Plugin NOT found - run: claude /install-plugin oh-my-claudecode"

# Extract old version before download
OLD_VERSION=$(grep -m1 "^# oh-my-claudecode" ~/.claude/CLAUDE.md 2>/dev/null | grep -oE 'v[0-9]+\.[0-9]+\.[0-9]+' || echo "none")

# Download fresh CLAUDE.md to global config
curl -fsSL "https://raw.githubusercontent.com/Yeachan-Heo/oh-my-claudecode/main/docs/CLAUDE.md" -o ~/.claude/CLAUDE.md && \
echo "Downloaded CLAUDE.md to ~/.claude/CLAUDE.md"

# Extract new version and report
NEW_VERSION=$(grep -m1 "^# oh-my-claudecode" ~/.claude/CLAUDE.md 2>/dev/null | grep -oE 'v[0-9]+\.[0-9]+\.[0-9]+' || echo "unknown")
if [ "$OLD_VERSION" = "none" ]; then
  echo "Installed CLAUDE.md: $NEW_VERSION"
elif [ "$OLD_VERSION" = "$NEW_VERSION" ]; then
  echo "CLAUDE.md unchanged: $NEW_VERSION"
else
  echo "Updated CLAUDE.md: $OLD_VERSION -> $NEW_VERSION"
fi

# Remove legacy bash hook scripts (now handled by plugin system)
rm -f ~/.claude/hooks/keyword-detector.sh
rm -f ~/.claude/hooks/stop-continuation.sh
rm -f ~/.claude/hooks/persistent-mode.sh
rm -f ~/.claude/hooks/session-start.sh
echo "Legacy hooks cleaned"

grep -q "oh-my-claudecode" ~/.claude/settings.json && echo "Plugin verified" || echo "Plugin NOT found - run: claude /install-plugin oh-my-claudecode"

# Clear stale plugin cache versions
CACHE_DIR="$HOME/.claude/plugins/cache/omc/oh-my-claudecode"
if [ -d "$CACHE_DIR" ]; then
  LATEST=$(ls -1 "$CACHE_DIR" | sort -V | tail -1)
  CLEARED=0
  for dir in "$CACHE_DIR"/*; do
    if [ "$(basename "$dir")" != "$LATEST" ]; then
      rm -rf "$dir"
      CLEARED=$((CLEARED + 1))
    fi
  done
  [ $CLEARED -gt 0 ] && echo "Cleared $CLEARED stale cache version(s)" || echo "Cache is clean"
else
  echo "No cache directory found (normal for new installs)"
fi

# Detect installed version
INSTALLED_VERSION=""

# Try cache directory first
if [ -d "$HOME/.claude/plugins/cache/omc/oh-my-claudecode" ]; then
  INSTALLED_VERSION=$(ls -1 "$HOME/.claude/plugins/cache/omc/oh-my-claudecode" | sort -V | tail -1)
fi

# Try .omc-version.json second
if [ -z "$INSTALLED_VERSION" ] && [ -f ".omc-version.json" ]; then
  INSTALLED_VERSION=$(grep -oE '"version":\s*"[^"]+' .omc-version.json | cut -d'"' -f4)
fi

# Try CLAUDE.md header third (local first, then global)
if [ -z "$INSTALLED_VERSION" ]; then
  if [ -f ".claude/CLAUDE.md" ]; then
    INSTALLED_VERSION=$(grep -m1 "^# oh-my-claudecode" .claude/CLAUDE.md 2>/dev/null | grep -oE 'v[0-9]+\.[0-9]+\.[0-9]+' | sed 's/^v//')
  elif [ -f "$HOME/.claude/CLAUDE.md" ]; then
    INSTALLED_VERSION=$(grep -m1 "^# oh-my-claudecode" "$HOME/.claude/CLAUDE.md" 2>/dev/null | grep -oE 'v[0-9]+\.[0-9]+\.[0-9]+' | sed 's/^v//')
  fi
fi

# Check npm for latest version
LATEST_VERSION=$(npm view oh-my-claude-sisyphus version 2>/dev/null)

if [ -n "$INSTALLED_VERSION" ] && [ -n "$LATEST_VERSION" ]; then
  # Simple version comparison (assumes semantic versioning)
  if [ "$INSTALLED_VERSION" != "$LATEST_VERSION" ]; then
    echo ""
    echo "UPDATE AVAILABLE:"
    echo "  Installed: v$INSTALLED_VERSION"
    echo "  Latest:    v$LATEST_VERSION"
    echo ""
    echo "To update, run: claude /install-plugin oh-my-claudecode"
  else
    echo "You're on the latest version: v$INSTALLED_VERSION"
  fi
elif [ -n "$LATEST_VERSION" ]; then
  echo "Latest version available: v$LATEST_VERSION"
fi

# Read existing config or create empty object
CONFIG_FILE="$HOME/.claude/.omc-config.json"
mkdir -p "$(dirname "$CONFIG_FILE")"

if [ -f "$CONFIG_FILE" ]; then
  EXISTING=$(cat "$CONFIG_FILE")
else
  EXISTING='{}'
fi

# Set defaultExecutionMode (replace USER_CHOICE with "ultrawork" or "ecomode")
echo "$EXISTING" | jq --arg mode "USER_CHOICE" '. + {defaultExecutionMode: $mode, configuredAt: (now | todate)}' > "$CONFIG_FILE"
echo "Default execution mode set to: USER_CHOICE"

grep -q "oh-my-claudecode" ~/.claude/settings.json && echo "Plugin verified" || echo "Plugin NOT found - run: claude /install-plugin oh-my-claudecode"

# Check for existing 2.x artifacts
ls ~/.claude/commands/ralph-loop.md 2>/dev/null || ls ~/.claude/commands/ultrawork.md 2>/dev/null

gh auth status &>/dev/null

gh api -X PUT /user/starred/Yeachan-Heo/oh-my-claudecode 2>/dev/null && echo "Thanks for starring! ⭐" || true

echo ""
echo "If you enjoy oh-my-claudecode, consider starring the repo:"
echo "  https://github.com/Yeachan-Heo/oh-my-claudecode"
echo ""