package controller

import (
	"SciencesServer/app/api/website/model"
	model2 "SciencesServer/app/common/model"
)

type Platform struct{}

type PlatformHandle func() *Platform

type PlatformInfo struct {
	Title    string          `json:"title"`
	Link     string          `json:"link"`
	Children []*PlatformInfo `json:"children"`
}

// tree 树状
func (c *Platform) tree(src []*model2.SysPlatform, parentID uint64) []*PlatformInfo {
	out := make([]*PlatformInfo, 0)

	for _, v := range src {
		if v.ParentID == parentID {
			out = append(out, &PlatformInfo{
				Title:    v.Title,
				Link:     v.Link,
				Children: c.tree(src, v.ID),
			})
		}
	}
	return out
}

// Instance 平台信息
func (c *Platform) Instance() ([]*PlatformInfo, error) {
	mSysPlatform := model.NewSysPlatform()
	out, err := mSysPlatform.Platform()

	if err != nil {
		return nil, err
	}
	return c.tree(out, 0), nil
}

func NewPlatform() PlatformHandle {
	return func() *Platform {
		return &Platform{}
	}
}