package cmd

import (
	"log"

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

var channelDeleteCmd = &cobra.Command{
	Use:     "remove",
	Aliases: []string{"rm"},
	Short:   "Remove a source from a channel",
	Long: `Remove a source from a channel.
`,
	Run: func(cmd *cobra.Command, args []string) {
		channelRemove(stringArg(cmd, "channel"), stringArg(cmd, "source"))
	},
}

func init() {
	channelCmd.AddCommand(channelDeleteCmd)

	channelDeleteCmd.Flags().StringP("channel", "c", "", "Channel name")
	channelDeleteCmd.MarkFlagRequired("channel")

	channelDeleteCmd.Flags().StringP("source", "s", "", "Source to add")
	channelDeleteCmd.MarkFlagRequired("source")
}

func channelRemove(channel string, source string) {
	if channel == "" {
		log.Fatal("error: --channel is empty")
	}
	if source == "" {
		log.Fatal("error: --source is empty")
	}

	db := openAndMigrateDb()

	if err := core.DeleteSourceFromChannel(db, channel, source); err != nil {
		log.Fatalf("error: failed to remove source from channel: %v", err)
	}

	log.Printf("Removed source %s from channel %s", source, channel)
}