package server

import (
	"context"

	"github.com/hetznercloud/hcloud-go/hcloud"
	"github.com/sirupsen/logrus"
	"github.com/urfave/cli/v2"
)

var HetznerCloudType string
var HetznerCloudImage string
var HetznerCloudSSHKeys cli.StringSlice
var HetznerCloudLocation string
var HetznerCloudAPIToken string
var serverNewHetznerCloudCommand = &cli.Command{
	Name:      "hetzner",
	Usage:     "Create a new Hetzner virtual server",
	ArgsUsage: "<name>",
	Description: `
Create a new Hetzner virtual server.

This command uses the uses the Hetzner Cloud API bindings to send a server
creation request. You must already have a Hetzner Cloud account and an account
API token before using this command.

Your token can be loaded from the environment using the HCLOUD_API_TOKEN
environment variable or otherwise passing the "--env/-e" flag.
`,
	Flags: []cli.Flag{
		&cli.StringFlag{
			Name:        "type",
			Aliases:     []string{"t"},
			Usage:       "Server type",
			Destination: &HetznerCloudType,
			Value:       "cx11",
		},
		&cli.StringFlag{
			Name:        "image",
			Aliases:     []string{"i"},
			Usage:       "Image type",
			Value:       "debian-10",
			Destination: &HetznerCloudImage,
		},
		&cli.StringSliceFlag{
			Name:        "ssh-keys",
			Aliases:     []string{"s"},
			Usage:       "SSH keys",
			Destination: &HetznerCloudSSHKeys,
		},
		&cli.StringFlag{
			Name:        "location",
			Aliases:     []string{"l"},
			Usage:       "Server location",
			Value:       "hel1",
			Destination: &HetznerCloudLocation,
		},
		&cli.StringFlag{
			Name:        "token",
			Aliases:     []string{"T"},
			Usage:       "Hetzner Cloud API token",
			EnvVars:     []string{"HCLOUD_API_TOKEN"},
			Destination: &HetznerCloudAPIToken,
		},
	},
	Action: func(c *cli.Context) error {
		name := c.Args().First()
		if name == "" {
			return cli.ShowSubcommandHelp(c)
		}

		ctx := context.Background()
		client := hcloud.NewClient(hcloud.WithToken(HetznerCloudAPIToken))

		// var sshkeys []hcloud.SSHKey
		// for _, sshkey := range HetznerCloudSSHKeys {
		// 	sshkeys = append(sshkeys, hcloud.SSHKey{Name: sshkey})
		// }

		// TODO: finish passing arguments
		serverOpts := hcloud.ServerCreateOpts{
			Name:       name,
			ServerType: &hcloud.ServerType{Name: HetznerCloudType},
			Image:      &hcloud.Image{Name: HetznerCloudImage},
			// SSHKeys:    HetznerCloudSSHKeys,
			// Location:   HetznerCloudLocation,
		}
		_, _, err := client.Server.Create(ctx, serverOpts)
		if err != nil {
			logrus.Fatal(err)
		}

		return nil
	},
}

var serverNewCommand = &cli.Command{
	Name:        "new",
	Usage:       "Create a new server using a 3rd party provider",
	Description: "Use a provider plugin to create a new server which can then be used to house a new Co-op Cloud installation.",
	ArgsUsage:   "<provider>",
	Subcommands: []*cli.Command{
		serverNewHetznerCloudCommand,
	},
}