package databag

import (
	"databag/internal/store"
	"errors"
	"github.com/gorilla/mux"
	"gorm.io/gorm"
	"net/http"
	"os"
	"strconv"
)

//RemoveNodeAccount deletes account on behalf of admin
func RemoveNodeAccount(w http.ResponseWriter, r *http.Request) {

	// get referenced account id
	params := mux.Vars(r)
	accountID, res := strconv.ParseUint(params["accountID"], 10, 32)
	if res != nil {
		ErrResponse(w, http.StatusBadRequest, res)
		return
	}

	if code, err := ParamSessionToken(r); err != nil {
		ErrResponse(w, code, err)
		return
	}

	var account store.Account
	if err := store.DB.First(&account, accountID).Error; err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			ErrResponse(w, http.StatusNotFound, err)
		} else {
			ErrResponse(w, http.StatusInternalServerError, err)
		}
		return
	}

	err := store.DB.Transaction(func(tx *gorm.DB) error {
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.Tag{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.TagSlot{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.Asset{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.Topic{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.TopicSlot{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.ChannelSlot{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.Channel{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.Article{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.ArticleSlot{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.CardSlot{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.Card{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.Group{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.GroupData{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.Group{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.App{}).Error; res != nil {
			return res
		}
		if res := tx.Where("account_id = ?", account.ID).Delete(&store.AccountToken{}).Error; res != nil {
			return res
		}
		if res := tx.Delete(&store.AccountDetail{}, account.AccountDetailID).Error; res != nil {
			return res
		}
		if res := tx.Delete(account).Error; res != nil {
			return res
		}
		return nil
	})
	if err != nil {
		ErrResponse(w, http.StatusInternalServerError, err)
		return
	}

	// delete asset files
	path := getStrConfigValue(CNFAssetPath, APPDefaultPath) + "/" + account.GUID
	if err = os.RemoveAll(path); err != nil {
		ErrMsg(err)
	}

	WriteResponse(w, nil)
}