package cmd

import (
	"fmt"

	"git.dayanhub.com/sagi/envoid/internal/datastore"
	"git.dayanhub.com/sagi/envoid/internal/errors"
	"git.dayanhub.com/sagi/envoid/internal/types"
	"github.com/spf13/cobra"
)

type rmCmdFlags struct {
	envName *string
}

var rmFlags = rmCmdFlags{}

var rmCmd = &cobra.Command{
	Use:   "rm <key>",
	Short: "removes a variable from environment(s)",
	Long:  "",
	RunE: func(cmd *cobra.Command, args []string) error {
		err := initProject()
		if err != nil {
			return err
		}
		if project.IsEmpty() {
			return errors.NewProjectEmptyError(project.Name)
		}
		if len(args) != 1 {
			return errors.NewInvalidCommandError("expected 1 args. <key>")
		}

		key := args[0]

		ds, err := datastore.NewDataStore()
		if err != nil {
			fmt.Printf("Error: %e", err)
		}
		defer ds.Close()

		envs := project.Environments
		if len(*rmFlags.envName) != 0 {
			e, err := project.GetEnv(*rmFlags.envName)
			if err != nil {
				return err
			}
			envs = []*types.Environment{e}
		}
		ds.RemoveVar(key, envs)

		return nil
	},
}

func init() {
	rmFlags.envName = rmCmd.Flags().StringP("environment", "e", "", "environments name")
	err := rmCmd.RegisterFlagCompletionFunc("environment", validEnvironmentNamesComplete)
	if err != nil {
		panic(err)
	}
}