package controller

import (
	"background/db"
	"background/logs"
	"background/model"
	"fmt"
	"github.com/gin-gonic/gin"
	"strconv"
)

func GetPageParaFromQuery(c *gin.Context)  (int,int){
	limit := c.Query("limit")
	offset := c.Query("offset")

	iLmit,e := strconv.Atoi(limit)
	if nil != e{
		return 0,0
	}
	iOffset,e := strconv.Atoi(offset)
	if nil != e{
		return 0,0
	}
	return  iLmit,iOffset
}
func GetArticles(c *gin.Context)  {
	type ReqArticles struct {
		Name string `json:"name"`
	}
	var req ReqArticles
	rsp := RespBase{"ERR",-1,nil}
	defer func() {
		c.JSON(200,rsp)
	}()
	e := c.BindJSON(&req)
	if nil != e{
		logs.Error(e.Error())
		return
	}
	article := []model.Doc{}
	limit,offset := GetPageParaFromQuery(c)
	var sql string
	if req.Name != ""{
		sql = fmt.Sprintf("select * from doc where doc.name like '%%%s%%' limit %d offset %d",req.Name,limit,offset*limit)
	}else{
		sql = fmt.Sprintf("select * from doc limit %d offset %d",limit,offset*limit)
	}
	e = db.GetMysqlClient().Query2(sql,&article)
	if nil != e{
		logs.Error(e.Error())
		return
	}
	rsp.Data = article
	rsp.Status = 0
	rsp.Msg = "OK"
}

func AddArticle(c *gin.Context)  {
	rsp := RespBase{Msg:"FAIL", Status:210,}
	type ReqAddArticle struct {
		Title	string `json:"title"`
		Content  string `json:"content"`
		author string `json:"author"`
		Type int64 `json:"type"`
	}
	var req ReqAddArticle
	defer func() {
		c.JSON(200,rsp)
	}()
	er := c.BindJSON(&req)
	if nil != er{
		logs.Error(er.Error())
		return
	}
	if req.Title == ""{
		rsp.Msg = "title required"
		return
	}
	e := model.CreateDoc(
		model.Doc{
			Type:req.Type,
			Title:req.Title,
			Content:req.Content,
			Author:req.author,
		},
		)
	if nil != e{
		logs.Error(e.Error())
		return
	}
	rsp.Msg = "OK"
	rsp.Status = 0
}


func ArticlesType(c *gin.Context)  {
	rsp := RespBase{Msg:"FAIL", Status:210,}
	defer func() {
		c.JSON(200,rsp)
	}()
	rsp.Data = model.GetArticlesType()
	rsp.Msg = "OK"
	rsp.Status = 0
}