package providers

import (
	"errors"
	"fmt"
	"strings"

	proto "git.badhouseplants.net/softplayer/softplayer-go-proto/pkg/environments"
)

type Hetzner struct{}

// GetProviderName implements Providers.
func (h *Hetzner) GetProviderName() string {
	return "hetzner"
}

// RawProviderName implements Providers.
func (h *Hetzner) RawProviderName() string {
	return proto.Provider_PROVIDER_HETZNER.String()
}

// RawServerLocation implements Providers.
func (h *Hetzner) RawServerLocation(location string) (string, error) {
	switch location {
	case "ash":
		return proto.Location_LOCATION_HETZNER_ASHBURN.String(), nil
	case "hil":
		return proto.Location_LOCATION_HETZNER_HILLSBORO.String(), nil
	case "fsn1":
		return proto.Location_LOCATION_HETZNER_FALKENSTEIN.String(), nil
	case "nbg1":
		return proto.Location_LOCATION_HETZNER_NUREMBERG.String(), nil
	case "hel1":
		return proto.Location_LOCATION_HETZNER_HELSINKI.String(), nil
	default:
		return "", fmt.Errorf("unknown location: %s", location)
	}

}

// RawServerType implements Providers.
func (h *Hetzner) RawServerType(kind string) (string, error) {
	switch kind {
	case "cpx21":
		return proto.ServerType_SERVER_TYPE_STARTER.String(), nil
	case "cpx31":
		return proto.ServerType_SERVER_TYPE_REGULAR.String(), nil
	case "cpx41":
		return proto.ServerType_SERVER_TYPE_PLUS.String(), nil
	case "cpx51":
		return proto.ServerType_SERVER_TYPE_PRO.String(), nil
	default:
		err := fmt.Errorf("unknown server type: %s", kind)
		return "", err
	}
}

// GetServerLocation implements Providers.
func (h *Hetzner) GetServerLocation(location string) (string, error) {
	if !strings.Contains(location, "HETZNER") {
		return "", fmt.Errorf("location isn't supported by hetzner: %s", location)
	}
	switch location {
	case proto.Location_LOCATION_HETZNER_ASHBURN.String():
		return "ash", nil
	case proto.Location_LOCATION_HETZNER_HILLSBORO.String():
		return "hil", nil
	case proto.Location_LOCATION_HETZNER_FALKENSTEIN.String():
		return "fsn1", nil
	case proto.Location_LOCATION_HETZNER_NUREMBERG.String():
		return "nbg1", nil
	case proto.Location_LOCATION_HETZNER_HELSINKI.String():
		return "hel1", nil
	default:
		return "", fmt.Errorf("unknown location: %s", location)
	}
}

func (h *Hetzner) GetServerType(kind string) (serverType string, err error) {
	switch kind {
	case proto.ServerType_SERVER_TYPE_STARTER.String():
		serverType = "cpx21"
		return
	case proto.ServerType_SERVER_TYPE_REGULAR.String():
		serverType = "cpx31"
		return
	case proto.ServerType_SERVER_TYPE_PLUS.String():
		serverType = "cpx41"
		return
	case proto.ServerType_SERVER_TYPE_PRO.String():
		serverType = "cpx51"
		return
	case proto.ServerType_SERVER_TYPE_CUSTOM.String():
		err = errors.New("custom server types are not supported yet")
		return
	default:
		err = fmt.Errorf("unknown server type: %s", kind)
		return
	}
}