package routers

import (
	"encoding/json"
	"io/ioutil"
	"log"
	"main/configs"
	"main/models"
	"main/utils"
	"net/http"

	"github.com/gorilla/mux"
)

func ImagesGet(w http.ResponseWriter, r *http.Request) {
	var listview models.ListView
	listview.Page = utils.ParamInt(r.URL.Query().Get("page"), 1)
	listview.PageSize = utils.ParamInt(r.URL.Query().Get("pageSize"), 10)

	var image_list []models.Image
	db := configs.ORMDB()
	db.Offset((listview.Page - 1) * listview.PageSize).Limit(listview.PageSize).Find(&image_list)
	for _, image := range image_list {
		listview.List = append(listview.List, image)
	}

	db.Model(&models.Image{}).Count(&listview.Total)

	listview.Next = listview.Page*listview.PageSize < int(listview.Total)
	listview.WriteJSON(w)
}

func ImagesPost(w http.ResponseWriter, r *http.Request) {
	var image models.Image
	body, err := ioutil.ReadAll(r.Body)
	if err != nil {
		log.Println(err)
		return
	}
	defer r.Body.Close()
	if err = json.Unmarshal(body, &image); err != nil {
		log.Println(err)
		return
	}
	if err := configs.ORMDB().Create(&image).Error; err != nil {
		log.Println(err)
		return
	}
	w.Header().Set("Content-Type", "application/json; charset=utf-8")
	w.Write(utils.ToJSON(image))
}

func ImagesItemGet(w http.ResponseWriter, r *http.Request) {
	image := models.Image{ID: utils.ParamInt(mux.Vars(r)["id"], 0)}
	if err := configs.ORMDB().First(&image).Error; err != nil {
		log.Println(err)
		return
	}
	w.Header().Set("Content-Type", "application/json; charset=utf-8")
	w.Write(utils.ToJSON(image))
}

func ImagesItemPatch(w http.ResponseWriter, r *http.Request) {
	image := models.Image{}
	body, err := ioutil.ReadAll(r.Body)
	if err != nil {
		log.Println(err)
		return
	}
	defer r.Body.Close()
	if err = json.Unmarshal(body, &image); err != nil {
		log.Println(err)
		return
	}
	image.ID = utils.ParamInt(mux.Vars(r)["id"], 0)
	if err := configs.ORMDB().Model(&image).Updates(image).Error; err != nil {
		log.Println(err)
		return
	}
	w.Header().Set("Content-Type", "application/json; charset=utf-8")
	w.Write(utils.ToJSON(image))
}

func ImagesItemDelete(w http.ResponseWriter, r *http.Request) {
	image := models.Image{ID: utils.ParamInt(mux.Vars(r)["id"], 0)}
	if err := configs.ORMDB().Delete(&image).Error; err != nil {
		log.Println(err)
		return
	}
	w.Header().Set("Content-Type", "application/json; charset=utf-8")
	w.Write(utils.ToJSON(image))
}