do/commands/clean

# ----------------------------------------------------
#  Cleans up inactive themes.
# ----------------------------------------------------
function clean_themes() {
    # --- Pre-flight checks ---
    if ! setup_wp_cli; then echo "❌ Error: WP-CLI not found." >&2; return 1; fi
    if ! "$WP_CLI_CMD" core is-installed --quiet; then echo "❌ Error: This does not appear to be a WordPress installation." >&2; return 1; fi

    echo "🔎 Finding the latest default WordPress theme to preserve..."
    latest_default_theme=$("$WP_CLI_CMD" theme search twenty --field=slug --per-page=1 --quiet --skip-plugins --skip-themes)

    if [ $? -ne 0 ] || [ -z "$latest_default_theme" ]; then
      echo "❌ Error: Could not determine the latest default theme. Aborting." >&2
      return 1
    fi
    echo "✅ The latest default theme is '$latest_default_theme'. This will be preserved."
    inactive_themes=($("$WP_CLI_CMD" theme list --status=inactive --field=name --skip-plugins --skip-themes))
    if [ ${#inactive_themes[@]} -eq 0 ]; then
      echo "👍 No inactive themes found to process. All done!"
      return 0
    fi

    echo "🚀 Processing ${#inactive_themes[@]} inactive themes..."
    for theme in "${inactive_themes[@]}"; do
      # Check if the current inactive theme is the one we want to keep
      if [[ "$theme" == "$latest_default_theme" ]]; then
        echo "⚪️ Keeping inactive default theme: $theme"
      else
        echo "❌ Deleting inactive theme: $theme"
        "$WP_CLI_CMD" theme delete "$theme"
      fi
    done

    echo "✨ Cleanup complete."
}

# ----------------------------------------------------
#  Deletes inactive plugins.
#  On multisite, only deletes plugins not active on any site.
# ----------------------------------------------------
function clean_plugins() {
    # --- Pre-flight checks ---
    if ! setup_wp_cli; then echo "❌ Error: WP-CLI not found." >&2; return 1; fi
    if ! "$WP_CLI_CMD" core is-installed --quiet; then echo "❌ Error: This does not appear to be a WordPress installation." >&2; return 1; fi
    if ! setup_gum; then return 1; fi

    echo "🚀 Cleaning inactive plugins..."

    # --- Multisite vs. Single Site Logic ---
    if "$WP_CLI_CMD" core is-installed --network --quiet; then
        echo "ℹ️ Multisite installation detected. Finding plugins that are not active on any site..."

        # Get all installed plugins (slugs)
        local all_installed_plugins
        all_installed_plugins=$("$WP_CLI_CMD" plugin list --field=name)

        # Get all network-activated plugins
        local network_active_plugins
        network_active_plugins=$("$WP_CLI_CMD" plugin list --network --status=active --field=name)

        # Get all plugins active on individual sites
        local site_active_plugins
        site_active_plugins=$("$WP_CLI_CMD" site list --field=url --format=ids | xargs -I % "$WP_CLI_CMD" plugin list --url=% --status=active --field=name)

        # Combine all active plugins (network + site-specific) and get a unique, sorted list
        local all_active_plugins
        all_active_plugins=$(echo -e "${network_active_plugins}\n${site_active_plugins}" | sort -u | grep -v '^$')

        # Find plugins that are in the installed list but not in the combined active list
        local plugins_to_delete
        plugins_to_delete=$(comm -23 <(echo "$all_installed_plugins" | sort) <(echo "$all_active_plugins" | sort))

    else
        echo "ℹ️ Single site installation detected. Finding inactive plugins..."
        # On a single site, 'inactive' is sufficient
        local plugins_to_delete
        plugins_to_delete=$("$WP_CLI_CMD" plugin list --status=inactive --field=name)
    fi

    if [ -z "$plugins_to_delete" ]; then
        echo "✅ No inactive plugins found to delete."
        return 0
    fi

    local plugins_to_delete_count
    plugins_to_delete_count=$(echo "$plugins_to_delete" | wc -l | xargs)

    echo "🔎 Found ${plugins_to_delete_count} plugin(s) to delete:"
    echo "$plugins_to_delete"
    echo

    if ! "$GUM_CMD" confirm "Proceed with deletion?"; then
        echo "Operation cancelled by user."
        return 0
    fi

    while IFS= read -r plugin; do
        if [ -n "$plugin" ]; then
            echo "   - Deleting '$plugin'..."
            "$WP_CLI_CMD" plugin delete "$plugin"
        fi
    done <<< "$plugins_to_delete"

    echo "✨ Plugin cleanup complete."
}

# ----------------------------------------------------
#  Analyzes disk usage using rclone.
# ----------------------------------------------------
function clean_disk() {
    echo "🚀 Launching interactive disk usage analysis..."
    if ! setup_rclone; then
        echo "Aborting analysis: rclone setup failed." >&2
        return 1
    fi
    "$RCLONE_CMD" ncdu .
}