package models

import (
	"strings"
)

type PrivItem struct {
	// body
	Key   string `json:"key"`
	Title string `json:"title"`
}

type Priv struct {
	Key      string     `json:"key"`
	Title    string     `json:"title"`
	Children []PrivItem `json:"children"`
}

// constants
var privList = []Priv{
	{Key: "file", Title: "文件", Children: []PrivItem{
		{"file/upload/post", "文件上传"},
		{"file/uploadImage/post", "图像上传"},
	}},
	{Key: "subject", Title: "科目", Children: []PrivItem{
		{"subject/post", "科目添加"},
		{"subject/delete", "科目删除"},
		{"subject/put", "科目修改"},
		{"subject/get", "科目查询"},
	}},
	{Key: "knowledge", Title: "知识点", Children: []PrivItem{
		{"knowledge/post", "知识点添加"},
		{"knowledge/delete", "知识点删除"},
		{"knowledge/put", "知识点修改"},
		{"knowledge/get", "知识点查询"},
	}},
	{Key: "knowledgeGroup", Title: "知识点分组", Children: []PrivItem{
		{"knowledge/post", "知识点分组添加"},
		{"knowledge/delete", "知识点分组删除"},
		{"knowledge/put", "知识点分组修改"},
		{"knowledge/get", "知识点分组查询"},
	}},
	{Key: "directive", Title: "指令", Children: []PrivItem{
		{"directive/post", "指令添加"},
		{"directive/delete", "指令删除"},
		{"directive/put", "指令修改"},
		{"directive/get", "指令查询"},
	}},
	{Key: "directiveGroup", Title: "指令分类", Children: []PrivItem{
		{"directiveGroup/post", "指令分类添加"},
		{"directiveGroup/delete", "指令分类删除"},
		{"directiveGroup/put", "指令分类修改"},
		{"directiveGroup/get", "指令分类查询"},
	}},
	{Key: "competition", Title: "赛事", Children: []PrivItem{
		{"competition/post", "赛事添加"},
		{"competition/delete", "赛事删除"},
		{"competition/put", "赛事修改"},
		{"competition/get", "赛事查询"},
	}},
	{Key: "label", Title: "属性", Children: []PrivItem{
		{"label/post", "属性添加"},
		{"label/delete", "属性删除"},
		{"label/put", "属性修改"},
		{"label/get", "属性查询"},
	}},
	{Key: "label/value", Title: "属性值", Children: []PrivItem{
		{"label/value/post", "属性值添加"},
		{"label/value/delete", "属性值删除"},
		{"label/value/put", "属性值修改"},
		{"label/value/get", "属性值查询"},
	}},
	{Key: "productGroup", Title: "作品分类", Children: []PrivItem{
		{"productGroup/post", "作品分类添加"},
		{"productGroup/delete", "作品分类删除"},
		{"productGroup/put", "作品分类修改"},
		{"productGroup/get", "作品分类查询"},
	}},
	{Key: "product", Title: "作品", Children: []PrivItem{
		{"product/post", "作品添加"},
		{"product/delete", "作品删除"},
		{"product/put", "作品修改"},
		{"product/get", "作品查询"},
	}},
	{Key: "question", Title: "习题", Children: []PrivItem{
		{"question/post", "习题添加"},
		{"question/delete", "习题删除"},
		{"question/put", "习题修改"},
		{"question/get", "习题查询"},
	}},
	{Key: "paperType", Title: "试卷类型", Children: []PrivItem{
		{"paperType/post", "试卷类型添加"},
		{"paperType/delete", "试卷类型删除"},
		{"paperType/put", "试卷类型修改"},
		{"paperType/get", "试卷类型查询"},
	}},
	{Key: "paper", Title: "试卷", Children: []PrivItem{
		{"paper/post", "试卷添加"},
		{"paper/delete", "试卷删除"},
		{"paper/put", "试卷修改"},
		{"paper/get", "试卷查询"},
	}},
	{Key: "lessonType", Title: "课时类型", Children: []PrivItem{
		{"lessonType/post", "课时类型添加"},
		{"lessonType/delete", "课时类型删除"},
		{"lessonType/put", "课时类型修改"},
		{"lessonType/get", "课时类型查询"},
	}},
	{Key: "lesson", Title: "课时", Children: []PrivItem{
		{"lesson/post", "课时添加"},
		{"lesson/delete", "课时删除"},
		{"lesson/put", "课时修改"},
		{"lesson/get", "课时查询"},
	}},
	{Key: "lessonGroup", Title: "课程库", Children: []PrivItem{
		{"lessonGroup/post", "课程库添加"},
		{"lessonGroup/delete", "课程库删除"},
		{"lessonGroup/put", "课程库修改"},
		{"lessonGroup/get", "课程库查询"},
	}},
	{Key: "lessonGroupType", Title: "程库类型", Children: []PrivItem{
		{"lessonGroupType/post", "程库类型添加"},
		{"lessonGroupType/delete", "程库类型删除"},
		{"lessonGroupType/put", "程库类型修改"},
		{"lessonGroupType/get", "程库类型查询"},
	}},
	{Key: "lessonStep", Title: "课时步骤", Children: []PrivItem{
		{"lessonStep/post", "课时步骤添加"},
		{"lessonStep/delete", "课时步骤删除"},
		{"lessonStep/put", "课时步骤修改"},
		{"lessonStep/get", "课时步骤查询"},
	}},
	{Key: "role", Title: "角色", Children: []PrivItem{
		{"role/post", "角色添加"},
		{"role/delete", "角色删除"},
		{"role/put", "角色修改"},
		{"role/get", "角色查询"},
	}},
	{Key: "user", Title: "用户", Children: []PrivItem{
		{"user/post", "用户添加"},
		{"user/delete", "用户删除"},
		{"user/put", "用户修改"},
		{"user/get", "用户查询"},
		{"user/changePassword/put", "用户修改密码"},
		{"user/logout/put", "用户退出"},
		{"user/info/get", "用户信息"},
	}},
}

func Privs() []Priv {
	return privList
}

func PrivFilter(privs string) string {
	privArr := strings.Split(privs, ",")
	t := []string{}
	privKeys := map[string]struct{}{}
	for _, priv := range privList {
		for _, p := range priv.Children {
			privKeys[p.Key] = struct{}{}
			t = append(t, p.Key)
		}
	}
	//fmt.Println(strings.Join(t, ","))

	var hasUserLogout, hasUserInfo bool
	var rightPrivs []string
	for _, priv := range privArr {
		p := strings.TrimSpace(strings.ToLower(priv))
		if _, exists := privKeys[p]; exists {
			rightPrivs = append(rightPrivs, p)
			if p == "user/logout/put" {
				hasUserLogout = true
			}
			if p == "user/info/get" {
				hasUserInfo = true
			}
		}
	}

	if !hasUserLogout {
		rightPrivs = append(rightPrivs, "user/logout/put")
	}
	if !hasUserInfo {
		rightPrivs = append(rightPrivs, "user/info/get")
	}

	return strings.Join(rightPrivs, ",")
}