package cmd

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

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

// createCmd represents the create command
var createCmd = &cobra.Command{
	Use:   "create",
	Short: "Create a project/environment in the current directory",
	Run: func(cmd *cobra.Command, args []string) {
		cwd, err := os.Getwd()
		if err != nil {
			utils.ErrPrint("Not able to fetch working directory:", err.Error())
			return
		}

		_, err = os.Stat(path.Join(cwd, "envy.toml"))

		// file exists, create environment
		if err == nil {
			envy, err := utils.GetEnvy()
			if err != nil {
				utils.ErrPrint(err.Error())
				return
			}

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

			dbProject, err := utils.GetProject(project)
			if err != nil {
				utils.ErrPrint(err.Error())
				return
			}

			environment := ""

			envs, err := utils.GetEnvironments(dbProject.ID)
			utils.StopIfErr(err)

			form := huh.NewForm(
				huh.NewGroup(
					huh.NewInput().
						Title("Environment name").
						Prompt("? ").
						Validate(utils.NoSpace).
						Validate(func(input string) error {
							for _, en := range envs {
								if en.Name == input {
									return errors.New("this name is used")
								}
							}
							return nil
						}).
						Value(&environment),
				),
			)

			err = form.Run()
			if err != nil {
				utils.ErrPrint("Some error occured:", err.Error())
				return
			}

			envFile, err := os.ReadFile(path.Join(cwd, ".env"))
			if err != nil {
				utils.ErrPrint("Error occured while opening .env:", err.Error())
				return
			}

			env := utils.Environment{Name: environment, ProjectID: dbProject.ID, Data: utils.ParseEnv(string(envFile))}
			utils.DB.Create(&env)

			envy.Set("envy.current", environment)
			err = utils.WriteEnvy(envy)
			utils.StopIfErr(err)

			err = utils.RefactorEnv()
			utils.StopIfErr(err)

			fmt.Printf("Created environment %s for project %s.\n", environment, project)
		}

		// file doesn't exist, create project
		if os.IsNotExist(err) {
			_, err = os.Stat(path.Join(cwd, ".env"))

			if os.IsNotExist(err) {
				utils.ErrPrint(".env file does not exist in the current directory.")
				return
			}

			dbProjects, err := utils.GetProjects()
			utils.StopIfErr(err)

			project := ""
			environment := ""

			form := huh.NewForm(
				huh.NewGroup(
					huh.NewInput().
						Title("Project name").
						Prompt("? ").
						Validate(utils.NoSpace).
						Validate(func(input string) error {
							for _, pr := range dbProjects {
								if pr.Name == input {
									return errors.New("this name is used")
								}
							}
							return nil
						}).
						Value(&project),

					huh.NewInput().
						Title("Environment name").
						Prompt("? ").
						Validate(utils.NoSpace).
						Value(&environment),
				),
			)

			err = form.Run()
			if err != nil {
				utils.ErrPrint("Some error occured:", err.Error())
			}

			if project == "" || environment == "" {
				return
			}

			envFile, err := os.ReadFile(path.Join(cwd, ".env"))
			if err != nil {
				utils.ErrPrint("Error occured while opening .env:", err.Error())
				return
			}

			utils.InitDb()

			proj := utils.Project{Name: project}
			utils.DB.Create(&proj)

			env := utils.Environment{Name: environment, ProjectID: proj.ID, Data: utils.ParseEnv(string(envFile))}
			utils.DB.Create(&env)

			filePath := path.Join(cwd, "envy.toml")

			err = os.WriteFile(filePath, []byte(fmt.Sprintf("[envy]\nproject = \"%s\"\nenv = \"%s\"\ncurrent = \"%s\"\n", project, environment, environment)), 0644)
			utils.StopIfErr(err)

			err = utils.RefactorEnv()
			utils.StopIfErr(err)

			fmt.Printf("Created environment %s inside of project %s.\n", environment, project)
		}
	},
}

func init() {
	rootCmd.AddCommand(createCmd)
}