package cli

import (
	"fmt"
	"log"
	"os"
	"strconv"
	"strings"

	"code.oliverdavies.uk/opdavies/cmd-zet/internal/fzf"
	"code.oliverdavies.uk/opdavies/cmd-zet/internal/zet"
	"github.com/spf13/cobra"
)

var viewCmd = &cobra.Command{
	Use:     "view",
	Aliases: []string{"v"},
	Short:   "View a specific zettel",
	Long: `zet view|v ID
zet view|v latest
	`,
	Run: func(cli *cobra.Command, args []string) {
		if len(args) < 1 {
			fmt.Println("Error: No id provided")
			os.Exit(1)
		}

		var id int
		var query string

		if args[0] == "latest" {
			id = zet.GetLatestZet()

			fmt.Println(zet.ViewZet(id))

			os.Exit(0)
		}

		if id, err := strconv.Atoi(args[0]); err == nil {
			fmt.Println(zet.ViewZet(id))

			os.Exit(0)
		}

		query = args[0]

		ids := zet.SearchZets(query)

		if len(ids) == 1 {
			fmt.Println(zet.ViewZet(ids[0]))

			os.Exit(0)
		}

		zets := zet.ParseZetList(ids)

		selected, err := fzf.SelectWithFzf(zets)

		if err != nil {
			log.Fatalf("No zet selected.")
		}

		parts := strings.SplitN(selected, " ", 2)

		id, err = strconv.Atoi(parts[0])

		if err != nil {
			log.Fatal(err)
		}

		fmt.Println(zet.ViewZet(id))
	},
}

func init() {
	rootCmd.AddCommand(viewCmd)
}