package cmd

import (
	"fmt"
	"strings"

	"go.jolheiser.com/gpm/config"

	"github.com/AlecAivazis/survey/v2"
	"github.com/urfave/cli/v2"
	"go.jolheiser.com/beaver"
)

var Remove = cli.Command{
	Name:    "remove",
	Aliases: []string{"rm"},
	Usage:   "Remove package(s)",
	Action:  doRemove,
}

func doRemove(_ *cli.Context) error {
	cfg, err := config.Load()
	if err != nil {
		return err
	}

	pkgQuestion := &survey.Input{
		Message: "Package name",
	}
	var pkgAnswer string

	if err := survey.AskOne(pkgQuestion, &pkgAnswer); err != nil {
		return err
	}

	for idx, p := range cfg.Packages {
		if strings.EqualFold(p.Name, pkgAnswer) {
			confirm := &survey.Confirm{
				Message: fmt.Sprintf("Are you sure you want to remove %s (%s) ?", p.Name, p.Import),
				Default: false,
			}
			var answer bool

			if err := survey.AskOne(confirm, &answer); err != nil {
				return err
			}

			if answer {
				cfg.Packages = append(cfg.Packages[:idx], cfg.Packages[idx+1:]...)
				if err := cfg.Save(); err != nil {
					return err
				}
				beaver.Infof("Removed `%s` from local gpm.", p.Name)
				break
			}

			beaver.Infof("Did not remove `%s` from local gpm.", p.Name)
			break
		}
	}

	return nil
}