package api

import (
	"io/ioutil"
	"log"
	"net/http"
	"time"
	"tmr-watch/conf/setting"
	"tmr-watch/http/handle/restful"
	"tmr-watch/models"
	"tmr-watch/pkg/app"
	"tmr-watch/pkg/e"
	"tmr-watch/pkg/logging"

	"github.com/Anderson-Lu/gofasion/gofasion"
	"github.com/gin-gonic/gin"
)

type surplus struct {
	Id        int64  `xorm:"id" json:"id"`
	PastureId int64  `xorm:"pastureId" json:"pastureId"`
	Surplus   string `xorm:"surplus" json:"surplus"`
	FeedId    string `xorm:"feedId" json:"feedId"`
}

func AddSurplus(c *gin.Context) {
	appG := app.Gin{C: c}
	s := new(surplus)
	if err := c.ShouldBind(&s); err != nil {
		appG.Response(500, e.ERROR, "数据格 式不正确！")
		return
	}

	tx := restful.Engine.NewSession()
	defer tx.Close()
	tx.Begin()

	if s.Surplus != "日粮" {
		feed := new(models.Feed)
		err := tx.Table("feed").Where(" pastureId = ? ", s.PastureId).Where(" id = ? ", s.FeedId).GetFirst(feed).Error
		if err != nil {
			log.Println("AddSurplus-error-3: ", err)
			tx.Rollback()
			appG.Response(http.StatusOK, e.ERROR, err)
			return
		}

		ids, err := setting.SnowIds.NextId()
		if err != nil {
			ids = time.Now().UnixNano()
			logging.Info("create SnowIds err", err)
		}
		_, err = tx.Exec(`insert into feed(id,pastureid,feedcode,fname,fclass,fclassid,is_surplus)values(?,?,?,?,?,
		(select id from feedclass where pastureid = ? and fcname = ? ),1)`,
			ids, s.PastureId, feed.FName+"_剩料", feed.FName+"_剩料", "剩料", s.PastureId, "剩料")
		if err != nil {
			log.Println("AddSurplus-error-4: ", err)
			tx.Rollback()
			appG.Response(http.StatusOK, e.ERROR, err)
			return
		}

		_, err = tx.Exec(` insert into surplus(pastureId,surplus,feedId,alternativefeed)values(?,(select fname from feed where id = ? ),?,?)`, s.PastureId, ids, ids, s.FeedId)
		// _, err := tx.Table("surplus").Insert(s)
		if err != nil {
			log.Println("AddSurplus-error-2: ", err)
			tx.Rollback()
			appG.Response(http.StatusOK, e.ERROR, "该剩料已存在！")
			return
		}
	} else {
		ids, err := setting.SnowIds.NextId()
		if err != nil {
			ids = time.Now().UnixNano()
			logging.Info("create SnowIds err", err)
		}

		_, err = tx.Exec(`insert into feed(id,pastureid,feedcode,fname,fclass,fclassid,is_surplus)values(?,?,?,?,?,
		(select id from feedclass where pastureid = ? and fcname = ? ),1)`,
			ids, s.PastureId, "日粮"+"_剩料", "日粮"+"_剩料", "剩料", s.PastureId, "剩料")
		if err != nil {
			log.Println("AddSurplus-error-4: ", err)
			tx.Rollback()
			appG.Response(http.StatusOK, e.ERROR, err)
			return
		}

		_, err = tx.Exec(` insert into surplus(pastureId,surplus,feedId)values(?,(select fname from feed where id = ? ),?)`, s.PastureId, ids, ids)
		if err != nil {
			log.Println("AddSurplus-error-2: ", err)
			tx.Rollback()
			appG.Response(http.StatusOK, e.ERROR, "该剩料已存在！")
			return
		}
	}

	err := tx.Commit()
	if err != nil {
		log.Println("AddSurplus-error-7: ", err)
		appG.Response(http.StatusOK, e.ERROR, err)
		tx.Rollback()
		return
	}

	appG.Response(http.StatusOK, e.SUCCESS, true)
}

func DelSurplus(c *gin.Context) {
	appG := app.Gin{C: c}

	dataByte, _ := ioutil.ReadAll(c.Request.Body)
	fsions := gofasion.NewFasion(string(dataByte))
	id := fsions.Get("id").ValueStr()
	tx := restful.Engine.NewSession()
	defer tx.Close()
	tx.Begin()

	_, err := tx.Exec(` delete from feed where id = (select feedId from surplus where id = ? )  `, id)
	if err != nil {
		log.Println("DelSurplus-error-2: ", err)
		tx.Rollback()
		appG.Response(http.StatusOK, e.ERROR, err)
		return
	}

	_, err = tx.Exec(` delete from surplus where id = ?  `, id)
	if err != nil {
		log.Println("DelSurplus-error-1: ", err)
		tx.Rollback()
		appG.Response(http.StatusOK, e.ERROR, err)
		return
	}

	err = tx.Commit()
	if err != nil {
		log.Println("DelSurplus-error-2: ", err)
		appG.Response(http.StatusOK, e.ERROR, err)
		tx.Rollback()
		return
	}

	appG.Response(http.StatusOK, e.SUCCESS, true)
}

func GetelSurplus(c *gin.Context) {
	appG := app.Gin{C: c}
	pastureId := c.Query("pastureId")

	tx := restful.Engine.NewSession()
	defer tx.Close()

	// type surplus1 struct {
	// 	Id        string `xorm:"id" json:"id"`
	// 	PastureId string `xorm:"pastureId" json:"pastureId"`
	// 	Surplus   string `xorm:"surplus" json:"surplus"`
	// 	FeedId    string `xorm:"feedId" json:"feedId"`
	// }

	surplusList := make([]*surplus, 0)
	err := tx.Table("surplus").Where("pastureId = ? ", pastureId).Find(&surplusList)
	if err != nil {
		log.Println("GetelSurplus-error-1: ", err)
		appG.Response(http.StatusOK, e.ERROR, err)
		return
	}

	appG.Response(http.StatusOK, e.SUCCESS, surplusList)
}