package api

import (
	"time"

	"github.com/graphql-go/graphql"
)

type User struct {
	ID         int       `json:"id"          db:"id" gorm:"primaryKey"`
	UserName   string    `json:"user_name"   db:"user_name"`
	Avatar     string    `json:"avatar"      db:"avatar"`
	Rank       string    `json:"rank"        db:"rank"`
	Price      int       `json:"price"       db:"price"`
	CreateTime time.Time `json:"create_time" db:"create_time"`
	UpdateTime time.Time `json:"update_time" db:"update_time"`
}

func (User) TableName() string {
	return "web_member"
}

var userType = graphql.NewObject(graphql.ObjectConfig{
	Name:        "user",
	Description: "用户信息",
	Fields: graphql.Fields{
		"id":          &graphql.Field{Type: graphql.Int, Description: "用户ID"},
		"user_name":   &graphql.Field{Type: graphql.String, Description: "用户名"},
		"avatar":      &graphql.Field{Type: graphql.String, Description: "用户头像"},
		"rank":        &graphql.Field{Type: graphql.String, Description: "用户等级"},
		"price":       &graphql.Field{Type: graphql.Int, Description: "用户金币"},
		"create_time": &graphql.Field{Type: graphql.DateTime, Description: "用户创建时间"},
		"update_time": &graphql.Field{Type: graphql.DateTime, Description: "用户更新时间"},
	},
})

var UserItems = &graphql.Field{
	Name:        "users",
	Description: "用户列表",
	Type: graphql.NewObject(graphql.ObjectConfig{
		Name:        "UserConnection",
		Description: "条件筛选用户列表",
		Fields: graphql.Fields{
			"list":  &graphql.Field{Type: graphql.NewList(userType), Description: "用户列表"},
			"total": &graphql.Field{Type: graphql.Int, Description: "用户总数"},
		},
	}),
	Args: graphql.FieldConfigArgument{
		"id":          &graphql.ArgumentConfig{Type: graphql.Int, Description: "筛选用户中指定ID的"},
		"user_name":   &graphql.ArgumentConfig{Type: graphql.String, Description: "筛选用户中含有指定用户名的"},
		"create_time": &graphql.ArgumentConfig{Type: graphql.DateTime, Description: "筛选用户中创建时间等于指定值的"},
		"update_time": &graphql.ArgumentConfig{Type: graphql.DateTime, Description: "筛选用户中更新时间等于指定值的"},
		"first":       &graphql.ArgumentConfig{Type: graphql.Int, Description: "翻页参数(傳回清單中的前n個元素)"},
		"last":        &graphql.ArgumentConfig{Type: graphql.Int, Description: "翻页参数(傳回清單中的最後n個元素)"},
		"after":       &graphql.ArgumentConfig{Type: graphql.String, Description: "翻页参数(傳回清單中指定遊標之後的元素)"},
		"before":      &graphql.ArgumentConfig{Type: graphql.String, Description: "翻页参数(傳回清單中指定遊標之前的元素)"},
	},
	Resolve: func(p graphql.ResolveParams) (interface{}, error) {
		//var where []string
		//if p.Args["id"] != nil {
		//	where = append(where, fmt.Sprintf("id=%d", p.Args["id"]))
		//}
		//if p.Args["user_name"] != nil {
		//	where = append(where, fmt.Sprintf("user_name='%s'", p.Args["user_name"]))
		//}
		//// 筛选条件
		//where_str := strings.Join(where, " AND ")
		//if where_str != "" {
		//	where_str = "WHERE " + where_str
		//}
		//var query strings.Builder
		var users []User
		var total int
		//fields := strings.Join(get_fields(p.Info.FieldASTs[0].SelectionSet.Selections), ",")
		//query.WriteString(fmt.Sprintf("SELECT %s FROM web_member %s LIMIT %d OFFSET %d", fields, where_str, 10, 0))
		//if err := connection.Select(&users, query.String()); err != nil {
		//	fmt.Println("获取用户列表失败", err)
		//	return nil, err
		//}
		//if len(users) > 0 {
		//	query.Reset()
		//	query.WriteString(fmt.Sprintf("SELECT COUNT(*) FROM web_member %s", where_str))
		//	if err := connection.Get(&total, query.String()); err != nil {
		//		fmt.Println("获取用户总数失败", err)
		//		return nil, err
		//	}
		//}
		return map[string]interface{}{
			"list":  users,
			"total": total,
		}, nil
	},
}