package main

import (
	"fmt"
)

func createDeviceLink(deviceType, name string, qr *int) CreateDeviceLink {
	return CreateDeviceLink{
		Type: deviceType,
		Name: name,
		Qr:   qr,
	}
}

type CreateDeviceLink struct {
	Type string
	Name string
	Qr   *int
}

func formatMemoryUnit(size int) string {
	const (
		KB = 1024
		MB = KB * 1024
		GB = MB * 1024
	)

	switch {
	case size >= GB:
		return "GB"
	case size >= MB:
		return "MB"
	case size >= KB:
		return "KB"
	default:
		return "B"
	}
}

func formatMemorySize(size int) string {
	const (
		KB = 1024
		MB = KB * 1024
		GB = MB * 1024
	)

	switch formatMemoryUnit(size) {
	case "GB":
		return fmt.Sprintf("%.2f GB", float64(size)/GB)
	case "MB":
		return fmt.Sprintf("%.2f MB", float64(size)/MB)
	case "KB":
		return fmt.Sprintf("%.2f KB", float64(size)/KB)
	case "B":
		return fmt.Sprintf("%d B", size)
	default:
		panic("invalid memory size")
	}
}

func formatMemoryPlainSize(size int) int {
	const (
		KB = 1024
		MB = KB * 1024
		GB = MB * 1024
	)

	switch formatMemoryUnit(size) {
	case "GB":
		return size / GB
	case "MB":
		return size / MB
	case "KB":
		return size / KB
	case "B":
		return size
	default:
		panic("invalid memory size")
	}
}

func isRamType(size int, unit string) bool {
	if size == 0 && unit == "MB" {
		return true
	}
	actualUnit := formatMemoryUnit(size)
	return unit == actualUnit
}

func formatType(t string) string {
	for _, assetType := range DescriptorTree.AssetTypes {
		if assetType.Id == t {
			return assetType.Name
		}
	}
	panic("unknown type")
}

type SelectMenu struct {
	Name         string
	Label        string
	Selected     string
	Options      []string
	DefaultValue string
}

func createSelectMenu(name, label, selected string, options []string) SelectMenu {
	return createSelectMenuDefault(name, label, selected, options, "Unknown")
}

func createSelectMenuDefault(name, label, selected string, options []string, defaultValue string) SelectMenu {
	return SelectMenu{
		Name:         name,
		Label:        label,
		Selected:     selected,
		Options:      options,
		DefaultValue: defaultValue,
	}
}