package cmd

import (
	"strings"

	"github.com/rsteube/carapace"
	"github.com/spf13/cobra"
)

var rootCmd = &cobra.Command{
	Use:   "mkdir",
	Short: "",
	Run:   func(cmd *cobra.Command, args []string) {},
}

func Execute() error {
	return rootCmd.Execute()
}
func init() {
	rootCmd.Flags().BoolS("Z", "Z", false, "set SELinux security context of each created directory to the default type")
	rootCmd.Flags().String("context", "", "like -Z, or if CTX is specified then set the SELinux or SMACK security context to CTX")
	rootCmd.Flags().Bool("help", false, "display this help and exit")
	rootCmd.Flags().StringP("mode", "m", "", "set file mode (as in chmod), not a=rwx - umask")
	rootCmd.Flags().BoolP("parents", "p", false, "no error if existing, make parent directories as needed")
	rootCmd.Flags().BoolP("verbose", "v", false, "print a message for each created directory")
	rootCmd.Flags().Bool("version", false, "output version information and exit")

	carapace.Gen(rootCmd).FlagCompletion(carapace.ActionMap{
		"mode": ActionMode(),
	})

	carapace.Gen(rootCmd).PositionalAnyCompletion(
		carapace.ActionDirectories(),
	)
}

func ActionMode() carapace.Action {
	// TODO bit hacky as empty delimiter not yet implemented (carapce should support multiple delimiters anyway: []rune)
	return carapace.ActionMultiParts("", func(args, parts []string) carapace.Action {
		current := carapace.CallbackValue
		vals := []string{}
		if !strings.ContainsAny(current, "+-=") {
			for _, c := range "agou+-=" {
				if !strings.ContainsRune(current, c) {
					vals = append(vals, string(c))
				}
			}
		} else {
			currentMode := current[strings.LastIndexAny(current, "+-=")+1:]
			for _, c := range "gorstuwxX" {
				if !strings.ContainsRune(currentMode, c) {
					vals = append(vals, string(c))
				}
			}
		}
		//for index, val := range vals {
		//	vals[index] = current + val
		//}
		return carapace.ActionValues(vals...)
	})
}