package cmd

import (
	"fmt"

	"git.dayanhub.com/sagi/envoid/internal/common"
	"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 setCmdFlags struct {
	envName *string
	encrypt *bool
}

var setFlags = setCmdFlags{}

var setCmd = &cobra.Command{
	Use:   "set [flags] <key> <value>",
	Short: "sets a variable in environment(s)",
	Long:  "",
	Args: func(cmd *cobra.Command, args []string) error {
		if len(args) != 2 {
			return errors.NewInvalidCommandError("expected 2 args. <key> <value>")
		}
		return nil
	},
	RunE: func(cmd *cobra.Command, args []string) error {
		err := initProject()
		if err != nil {
			return err
		}
		if project.IsEmpty() {
			return errors.NewProjectEmptyError(project.Name)
		}
		key := args[0]
		val := args[1]

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

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

		err = ds.SetValue(key, val, setFlags.encrypt, envs)
		if err != nil {
			fmt.Printf("Error: %s\n", err.Error())
		}
		return nil
	},
}

var setEncryptCmd = &cobra.Command{
	Use:   "encrypt <key>",
	Short: "encrypts an existing variable in environment(s)",
	Long:  "",
	Args: func(cmd *cobra.Command, args []string) error {
		if len(args) != 1 {
			return errors.NewInvalidCommandError("expected 1 args. <key>")
		}
		return nil
	},
	RunE: func(cmd *cobra.Command, args []string) error {
		err := initProject()
		if err != nil {
			return err
		}
		if project.IsEmpty() {
			return errors.NewProjectEmptyError(project.Name)
		}
		key := args[0]

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

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

		for _, env := range envs {
			// Get value
			v, err := ds.GetVar(env.Name, key)
			if err != nil {
				return err
			}
			if !v.Encrypted {
				err := ds.SetValue(v.Key, v.Value, common.BoolP(true), []*types.Environment{env})
				if err != nil {
					return err
				}
			}
		}

		return nil
	},
}

func init() {
	setFlags.envName = setCmd.PersistentFlags().StringP("environment", "e", "", "environments name")
	setFlags.encrypt = setCmd.Flags().BoolP("secret", "s", false, "value is a secret. encrypt this value")
	err := setCmd.RegisterFlagCompletionFunc("environment", validEnvironmentNamesComplete)
	if err != nil {
		panic(err)
	}
	setCmd.AddCommand(setEncryptCmd)
}