package cmd

import (
	"fmt"
	"os"

	"github.com/schollz/progressbar/v3"
	"github.com/Snider/Borg/pkg/compress"
	"github.com/Snider/Borg/pkg/matrix"
	"github.com/Snider/Borg/pkg/ui"
	"github.com/Snider/Borg/pkg/website"

	"github.com/spf13/cobra"
)

// collectWebsiteCmd represents the collect website command
var collectWebsiteCmd = &cobra.Command{
	Use:   "website [url]",
	Short: "Collect a single website",
	Long:  `Collect a single website and store it in a DataNode.`,
	Args:  cobra.ExactArgs(1),
	RunE: func(cmd *cobra.Command, args []string) error {
		websiteURL := args[0]
		outputFile, _ := cmd.Flags().GetString("output")
		depth, _ := cmd.Flags().GetInt("depth")
		format, _ := cmd.Flags().GetString("format")
		compression, _ := cmd.Flags().GetString("compression")

		prompter := ui.NewNonInteractivePrompter(ui.GetWebsiteQuote)
		prompter.Start()
		defer prompter.Stop()
		var bar *progressbar.ProgressBar
		if prompter.IsInteractive() {
			bar = ui.NewProgressBar(-1, "Crawling website")
		}

		dn, err := website.DownloadAndPackageWebsite(websiteURL, depth, bar)
		if err != nil {
			return fmt.Errorf("error downloading and packaging website: %w", err)
		}

		var data []byte
		if format == "matrix" {
			matrix, err := matrix.FromDataNode(dn)
			if err != nil {
				return fmt.Errorf("error creating matrix: %w", err)
			}
			data, err = matrix.ToTar()
			if err != nil {
				return fmt.Errorf("error serializing matrix: %w", err)
			}
		} else {
			data, err = dn.ToTar()
			if err != nil {
				return fmt.Errorf("error serializing DataNode: %w", err)
			}
		}

		compressedData, err := compress.Compress(data, compression)
		if err != nil {
			return fmt.Errorf("error compressing data: %w", err)
		}

		if outputFile == "" {
			outputFile = "website." + format
			if compression != "none" {
				outputFile += "." + compression
			}
		}

		err = os.WriteFile(outputFile, compressedData, 0644)
		if err != nil {
			return fmt.Errorf("error writing website to file: %w", err)
		}

		fmt.Fprintln(cmd.OutOrStdout(), "Website saved to", outputFile)
		return nil
	},
}

func init() {
	collectCmd.AddCommand(collectWebsiteCmd)
	collectWebsiteCmd.PersistentFlags().String("output", "", "Output file for the DataNode")
	collectWebsiteCmd.PersistentFlags().Int("depth", 2, "Recursion depth for downloading")
	collectWebsiteCmd.PersistentFlags().String("format", "datanode", "Output format (datanode or matrix)")
	collectWebsiteCmd.PersistentFlags().String("compression", "none", "Compression format (none, gz, or xz)")
}
func NewCollectWebsiteCmd() *cobra.Command {
	return collectWebsiteCmd
}