package cmd

import (
	"fmt"
	"os"

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

type importCmdFlags struct {
	envName *string
}

var importFlags = importCmdFlags{}

var importCmd = &cobra.Command{
	Use:   "import <file>",
	Short: "import a .env file into environment(s)",
	Long:  "This will not encrypt any value. You can then use `set encrypt KEY_NAME` to encrypt",
	RunE: func(cmd *cobra.Command, args []string) error {
		err := initProject()
		if err != nil {
			return err
		}

		if project.IsEmpty() {
			return errors.NewProjectEmptyError(project.Name)
		}

		envs := project.Environments
		if len(*importFlags.envName) != 0 {
			e, err := project.GetEnv(*importFlags.envName)
			if err != nil {
				return err
			}
			envs = []*types.Environment{e}
		}
		if len(args) != 1 {
			return fmt.Errorf("Needs a file to parse")
		}

		file, err := os.Open(args[0])
		if err != nil {
			return err
		}
		m, err := godotenv.Parse(file)
		if err != nil {
			return err
		}
		ds, err := datastore.NewDataStore()
		if err != nil {
			fmt.Printf("Error: %e", err)
		}

		defer ds.Close()
		for k, v := range m {
			err = ds.SetValue(k, v, nil, envs)
			if err != nil {
				return err
			}
		}

		return nil
	},
}

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