package cmd

import (
	"fmt"
	"log"
	"os"

	"github.com/spf13/cobra"

	"github.com/insertr/cli/pkg/content"
)

var enhanceCmd = &cobra.Command{
	Use:   "enhance [input-dir]",
	Short: "Enhance HTML files by injecting content from database",
	Long: `Enhance processes HTML files and injects latest content from the database
while adding editing capabilities. This is the core build-time enhancement
process that transforms static HTML into an editable CMS.`,
	Args: cobra.ExactArgs(1),
	Run:  runEnhance,
}

var (
	outputDir   string
	apiURL      string
	apiKey      string
	siteID      string
	mockContent bool
)

func init() {
	rootCmd.AddCommand(enhanceCmd)

	enhanceCmd.Flags().StringVarP(&outputDir, "output", "o", "./dist", "Output directory for enhanced files")
	enhanceCmd.Flags().StringVar(&apiURL, "api-url", "", "Content API URL")
	enhanceCmd.Flags().StringVar(&apiKey, "api-key", "", "API key for authentication")
	enhanceCmd.Flags().StringVarP(&siteID, "site-id", "s", "demo", "Site ID for content lookup")
	enhanceCmd.Flags().BoolVar(&mockContent, "mock", true, "Use mock content for development")
}

func runEnhance(cmd *cobra.Command, args []string) {
	inputDir := args[0]

	// Validate input directory
	if _, err := os.Stat(inputDir); os.IsNotExist(err) {
		log.Fatalf("Input directory does not exist: %s", inputDir)
	}

	// Create content client
	var client content.ContentClient
	if mockContent {
		fmt.Printf("🧪 Using mock content for development\n")
		client = content.NewMockClient()
	} else {
		if apiURL == "" {
			log.Fatal("API URL required when not using mock content (use --api-url)")
		}
		fmt.Printf("🌐 Using content API: %s\n", apiURL)
		client = content.NewHTTPClient(apiURL, apiKey)
	}

	// Create enhancer
	enhancer := content.NewEnhancer(client, siteID)

	fmt.Printf("🚀 Starting enhancement process...\n")
	fmt.Printf("📁 Input: %s\n", inputDir)
	fmt.Printf("📁 Output: %s\n", outputDir)
	fmt.Printf("🏷️  Site ID: %s\n\n", siteID)

	// Enhance directory
	if err := enhancer.EnhanceDirectory(inputDir, outputDir); err != nil {
		log.Fatalf("Enhancement failed: %v", err)
	}

	fmt.Printf("\n✅ Enhancement complete! Enhanced files available in: %s\n", outputDir)
}