package cmd

import (
	"fmt"
	"log"
	"os"

	"github.com/Jaculabilis/intake/core"
	"github.com/spf13/cobra"
)

var sourceCmd = &cobra.Command{
	Use:     "source {--add name | --delete name [--yes]}",
	GroupID: sourceGroup.ID,
	Short:   "Manage sources",
	Long: `Manage sources.

A source represents a single content feed that generates discrete feed items.
The command defined in the "fetch" action is used to check for new items to
update the feed.
`,
	Run: func(cmd *cobra.Command, args []string) {
		source(stringArg(cmd, "add"), stringArg(cmd, "delete"), boolArg(cmd, "yes"))
	},
	DisableFlagsInUseLine: true,
}

func init() {
	rootCmd.AddCommand(sourceCmd)

	sourceCmd.Flags().String("add", "", "Add source")
	sourceCmd.Flags().String("delete", "", "Delete source")
	sourceCmd.MarkFlagsMutuallyExclusive("add", "delete")
	sourceCmd.MarkFlagsOneRequired("add", "delete")
	sourceCmd.Flags().BoolP("yes", "y", false, "Do not ask for confirmation")
}

func source(add, delete string, yes bool) {
	if add == "" && delete == "" {
		log.Fatal("error: either --add or --delete is required")
	}

	db := openAndMigrateDb()

	if add != "" {
		if err := core.AddSource(db, add); err != nil {
			log.Fatalf("error: failed to add source: %v", err)
		}
		log.Printf("Added source %s", add)
	} else if delete != "" {
		if !yes {
			var response string
			fmt.Printf("Are you sure you want to delete source %s? (y/N): ", delete)
			_, err := fmt.Scanln(&response)
			if err != nil || (response != "y" && response != "Y") {
				os.Exit(1)
			}
		}
		if err := core.DeleteSource(db, delete); err != nil {
			log.Fatalf("error: failed to delete source: %v", err)
		}
		log.Printf("Deleted source %s", delete)
	}

}