package boot

import "sort"

type resource struct {
	init   initFunc
	start  startFunc
	config ResourceConfig
}

func newResource(i initFunc, s startFunc, op ...ConfigResource) Resource {
	config := ResourceConfig{}
	for _, elem := range op {
		elem(&config)
	}
	return &resource{
		init:   i,
		start:  s,
		config: config,
	}
}

func (i *resource) Init() error {
	if i.init != nil {
		return i.init()
	}
	return nil
}
func (i *resource) Start() error {
	if i.start != nil {
		return i.start()
	}
	return nil
}

func (i *resource) Config() ResourceConfig {
	return i.config
}

type ResourceConfig struct {
	Name string
}

func SetResourceName(name string) ConfigResource {
	return func(config *ResourceConfig) {
		config.Name = name
	}
}

func sortResourceType(res []ResourceType) []ResourceType {
	if res == nil || len(res) == 0 {
		return []ResourceType{}
	}
	sort.Sort(SortedResource(res))
	return res
}

/**
排序资源
*/
type SortedResource []ResourceType

func (s SortedResource) Len() int {
	return len(s)
}

func (s SortedResource) Less(i, j int) bool {
	return s[i] < s[j]
}

func (s SortedResource) Swap(i, j int) {
	s[i], s[j] = s[j], s[i]
}