package main

import (
	"fmt"
	"github.com/flamego/captcha"
	"github.com/flamego/flamego"
	"github.com/flamego/session"
	"github.com/flamego/template"
	"github.com/rs/zerolog/log"
	"image"
	"net/http"
	"time"
)

type Gallery struct {
	Id int64 `db:"id"`
	OwnerId int64 `db:"owner_id"`
	Name string `db:"name"`
	MainImage string `db:"mainImage"`
	MainImageOriginal string `db:"mainImageOriginal"`
	GroupID *int64 `db:"group_id"`

}

func galleryNewForm(t template.Template, data template.Data, s session.Session, captcha captcha.Captcha, c flamego.Context) {
	if s.Get("user_id") == nil {
		c.Redirect("/login", http.StatusTemporaryRedirect)
		return
	}
	t.HTML(http.StatusOK, "gallery_new")
}

func galleryNew(t template.Template, data template.Data, s session.Session, c flamego.Context) string {
	log.Debug().Msg("New Gallery")
	c.Request().ParseMultipartForm(9001)
	tx := sqlConnection.MustBegin()
	//Create Gallery
	res, err := tx.NamedExec(`INSERT INTO gallery (owner_id,name) VALUES (:owner,:name)`,
		map[string]interface{}{
			"owner": s.Get("user_id"),
			"name": c.Request().FormValue("name"),
		})
	if err != nil {
		panic(err)
	}

	galleryId, err := res.LastInsertId()
	if err != nil {
		panic(err)
	}

	//Upload Croped Image
	file, _, err  := c.Request().FormFile("cropImage")
	if err != nil {
		panic(err)
	}
	defer file.Close()

	cropedImage, _ , err := image.Decode(file)
	if err != nil {
		panic(err)
	}
	path := fmt.Sprintf("/gallery/%v/%v/main/%v-%v", s.Get("user_id"), galleryId, time.Now().UnixNano(), "crop.png")
	uploadImageToS3(cropedImage, path)

	//Upload Original Image

	fileOrginal, fileHeaderOrginal, err  := c.Request().FormFile("orginal")
	if err != nil {
		panic(err)
	}
	defer fileOrginal.Close()

	orignalImage, _ , err := image.Decode(fileOrginal)
	if err != nil {
		panic(err)
	}
	pathOrignal := fmt.Sprintf("/gallery/%v/%v/main/%v-orginal-%v", s.Get("user_id"), galleryId, time.Now().UnixNano(), fileHeaderOrginal.Filename)
	uploadImageToS3(orignalImage, pathOrignal)

	//Update sql data


	_, err = tx.NamedExec(`UPDATE gallery SET mainImage = :uploadPath, mainImageOriginal = :uploadPathOriginal WHERE id = :id`,
		map[string]interface{}{
			"uploadPath": path,
			"uploadPathOriginal": pathOrignal,
			"id":         galleryId,
		})
	if err != nil {
		panic(err)
	}

	err = tx.Commit()
	if err != nil {
		panic(err)
	}

	return fmt.Sprintf("{\"id\": %d}", galleryId)

}

func galleryEditList(t template.Template, data template.Data, s session.Session, c flamego.Context) {
	if s.Get("user_id") == nil {
		c.Redirect("/login", http.StatusTemporaryRedirect)
		return
	}

	galleries := []Gallery{}
	err := sqlConnection.Select(&galleries, "SELECT * FROM gallery WHERE owner_id = ? ORDER BY id DESC", s.Get("user_id"))
	if err != nil {
		panic(err)
	}

	data["galleries"] = galleries

	var list [][]Gallery
	var tmp []Gallery

	for _, g := range galleries {
		if len(tmp) == 6 {
			list = append(list, tmp)
			tmp = []Gallery{}
		}
		tmp = append(tmp, g)
	}
	list = append(list, tmp)

	data["list"] = list
	t.HTML(http.StatusOK, "gallery_list")
	return
}

func galleryEditSave(c flamego.Context, s session.Session) {
	if s.Get("user_id") == nil {
		c.Redirect("/login", http.StatusTemporaryRedirect)
		return
	}

	galleries := []Gallery{}
	err := sqlConnection.Select(&galleries, "SELECT * FROM gallery WHERE id = ? ORDER BY id DESC", c.Param("id"))
	if err != nil {
		log.Warn().Err(err).Msg("Cant find Gallery")
		return
	}

	if galleries[0].OwnerId != int64(s.Get("user_id").(int)) {
		c.ResponseWriter().Write([]byte("No Access"))
		c.ResponseWriter().WriteHeader(http.StatusNotAcceptable)
		return
	}

	_, err = sqlConnection.NamedExec("UPDATE gallery SET `name` = :name WHERE `id` = :id LIMIT 1", map[string]interface{}{
		"name": c.Request().FormValue("name"),
		"id": c.Param("id"),
	})

	if err != nil {
		log.Error().Err(err).Msg("Cant update Gallery")
	}

	c.Redirect("/gallery/edit/"+c.Param("id"))

}

func galleryEdit(t template.Template,data template.Data, c flamego.Context)  {
	galleries := []Gallery{}
	err := sqlConnection.Select(&galleries, "SELECT * FROM gallery WHERE id = ? ORDER BY id DESC", c.Param("id"))
	if err != nil {
		log.Warn().Err(err).Msg("Cant find Gallery")
		return
	}
	data["gallery"] = galleries[0]
	data["id"] = galleries[0].Id
	data["active"] = "general"


	t.HTML(http.StatusOK, "gallery_edit")
}

func galleryEditMainImage(t template.Template, data template.Data, c flamego.Context) {
	data["id"] = c.Param("id")
	t.HTML(http.StatusOK, "gallery_mainImage")
}

func galleryEditMainImageChange(s session.Session, c flamego.Context) {
	log.Debug().Msg("Change Gallery Main Image")
	c.Request().ParseMultipartForm(9001)


	//Upload Croped Image
	file, _, err  := c.Request().FormFile("cropImage")
	if err != nil {
		panic(err)
	}
	defer file.Close()

	cropedImage, _ , err := image.Decode(file)
	if err != nil {
		panic(err)
	}
	path := fmt.Sprintf("/gallery/%v/%v/main/%v-%v", s.Get("user_id"), c.Param("id"), time.Now().UnixNano(), "crop.png")
	uploadImageToS3(cropedImage, path)

	//Upload Original Image
	fileOrginal, fileHeaderOrginal, err  := c.Request().FormFile("orginal")
	if err != nil {
		panic(err)
	}
	defer fileOrginal.Close()

	orignalImage, _ , err := image.Decode(fileOrginal)
	if err != nil {
		panic(err)
	}
	pathOrignal := fmt.Sprintf("/gallery/%v/%v/main/%v-orginal-%v", s.Get("user_id"), c.Param("id"), time.Now().UnixNano(), fileHeaderOrginal.Filename)
	uploadImageToS3(orignalImage, pathOrignal)


	_, err = sqlConnection.NamedExec("UPDATE gallery SET `mainImage` = :uploadPath, mainImageOriginal = :uploadPathOriginal WHERE `id` = :id LIMIT 1", map[string]interface{}{
		"uploadPath": path,
		"uploadPathOriginal": pathOrignal,
		"id": c.Param("id"),
	})

	if err != nil {
		log.Fatal().Err(err).Msg("Cant update Main Gallery")
	}

	c.ResponseWriter().Write([]byte("{\"status\": \"ok\"}"))
}