package hoster_cli

import (
	"os"
	"os/user"
	"path/filepath"

	"gitea.codeblob.work/pk/hoster/cmd/hoster_cli/commands"
	"gitea.codeblob.work/pk/hoster/internals/conf"

	"github.com/kataras/golog"
	"github.com/urfave/cli/v2"
)

func Execute() {
	app := &cli.App{
		Name:    "hoster",
		Usage:   "Hoster",
		Version: "1.2.0",
		Commands: []*cli.Command{
			{
				Name:  "new",
				Usage: "Setup a new hosting project.",
				Flags: []cli.Flag{
					&cli.StringFlag{
						Name:     "name",
						Aliases:  []string{"n"},
						Usage:    "The name of the project",
						Required: true,
					},
					&cli.StringFlag{
						Name:     "custom-path",
						Usage:    "The path of the project. Defaults to ${projects.root}/${name}.",
						Required: false,
					},
					&cli.StringFlag{
						Name:     "domain",
						Aliases:  []string{"d"},
						Usage:    "The description of the project",
						Required: true,
					},
				},
				Before: func(c *cli.Context) error {
					conf.LoadConfig(filepath.Join(findHomeDir(), ".hoster.yml"))
					return nil
				},
				Action: commands.CmdNew,
			},
			{
				Name: "docker",
				Subcommands: []*cli.Command{
					{
						Name:   "rmi",
						Usage:  "Select images to remove",
						Action: commands.CmdDockerRemoveImages,
					},
				},
			},
			{
				Name: "port",
				Subcommands: []*cli.Command{
					{
						Name:  "free",
						Usage: "Get the next free port in the configured range",
						Before: func(c *cli.Context) error {
							conf.LoadConfig(filepath.Join(findHomeDir(), ".hoster.yml"))
							return nil
						},
						Action: commands.CmdCheckPort,
					},
				},
			},
			{
				Name:   "check",
				Usage:  "Check if newer versions of docker images are available",
				Action: commands.CmdCheckUpdated,
			},
		},
	}

	if err := app.Run(os.Args); err != nil {
		golog.Fatal(err)
	}
}

func findHomeDir() string {
	if os.Getuid() == 0 {
		username := os.Getenv("SUDO_USER")

		if username == "" {
			golog.Fatalf("SUDO_USER environment variable is not set.")
		}

		u, err := user.Lookup(username)
		if err != nil {
			golog.Fatal(err)
		}

		return u.HomeDir
	}

	dir, err := os.UserHomeDir()
	if err != nil {
		golog.Fatalf("Error getting home directory: %v", err)
	}

	return dir
}