package cmd

import (
	"envy/cmd/utils"
	"os"
	"path"

	"github.com/charmbracelet/huh"
	"github.com/spf13/cobra"
)

// exportCmd represents the export command
var exportCmd = &cobra.Command{
	Use:   "export [environment]",
	Short: "Export an environment as a .env file",
	Run: func(cmd *cobra.Command, args []string) {
		all, err := cmd.Flags().GetBool("all")
		utils.StopIfErr(err)
		env := ""

		if len(args) > 0 {
			env = args[0]
		}

		envy, err := utils.GetEnvy()
		utils.StopIfErr(err)

		project, err := utils.GetKey(envy, "envy.project")
		utils.StopIfErr(err)

		dbProject, err := utils.GetProject(project)
		utils.StopIfErr(err)

		cwd, err := os.Getwd()
		utils.StopIfErr(err)

		if all {
			dbEnvs, err := utils.GetEnvironments(dbProject.ID)
			utils.StopIfErr(err)

			for _, en := range dbEnvs {
				err = os.WriteFile(path.Join(cwd, ".env."+en.Name), []byte(en.Data), 0755)
				utils.StopIfErr(err)
			}
			return
		}

		if env != "" {
			dbEnv, err := utils.GetEnvironment(dbProject.ID, env)
			utils.StopIfErr(err)

			err = os.WriteFile(path.Join(cwd, ".env."+env), []byte(dbEnv.Data), 0755)
			utils.StopIfErr(err)
		} else {
			dbEnvs, err := utils.GetEnvironments(dbProject.ID)
			utils.StopIfErr(err)

			var selected *utils.Environment

			form := huh.NewForm(
				huh.NewGroup(
					huh.NewSelect[*utils.Environment]().
						Title("Select an environment").
						OptionsFunc(func() []huh.Option[*utils.Environment] {
							var options []huh.Option[*utils.Environment]
							for _, en := range dbEnvs {
								options = append(options, huh.NewOption(en.Name, &en))
							}

							return options
						}, &dbEnvs).
						Value(&selected),
				),
			)

			err = form.Run()
			utils.StopIfErr(err)

			err = os.WriteFile(path.Join(cwd, ".env."+selected.Name), []byte(selected.Data), 0755)
			utils.StopIfErr(err)
		}

	},
}

func init() {
	rootCmd.AddCommand(exportCmd)

	exportCmd.Flags().BoolP("all", "a", false, "Export all environments")
}