package cmd

import (
	"errors"
	"fmt"
	"os"

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

type getCmdFlags struct {
	envName *string
}

var getFlags = getCmdFlags{}

var getCmd = &cobra.Command{
	Use:   "get <key>",
	Short: "Gets a variable",
	Long:  "",
	RunE: func(cmd *cobra.Command, args []string) error {
		err := initProject()
		if err != nil {
			return err
		}

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

		if len(args) != 1 {
			return intErrors.NewInvalidCommandError("expected 1 args. <key>")
		}

		key := args[0]

		env := project.Environments[0]
		err = checkAmbiguousEnv(*getFlags.envName)
		if err != nil {
			return err
		}
		if len(*getFlags.envName) > 0 {
			e, err := project.GetEnv(*getFlags.envName)
			if err != nil {
				return err
			}
			env = e
		}

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

		defer ds.Close()

		envVar, err := ds.GetVar(env.Name, key)
		if err != nil {
			fmt.Printf("Error: %s\n", err.Error())
			if errors.Is(err, &intErrors.NoKeyFoundError{}) {
				os.Exit(1)
			} else if errors.Is(err, intErrors.NewInvalidPasswordError()) {
				os.Exit(1)
			} else {
				os.Exit(1)
			}
		}
		fmt.Println(envVar.Value)

		return nil
	},
}

func init() {
	getFlags.envName = getCmd.Flags().StringP("environment", "e", "", "environment name")

	err := getCmd.RegisterFlagCompletionFunc("environment", validEnvironmentNamesComplete)
	if err != nil {
		panic(err)
	}
}