package api

import (
	"net/http"

	"github.com/gin-gonic/gin"
	"gitlab.celogeek.com/photos/api/internal/photos/models"
	"gopkg.in/validator.v2"
	"gorm.io/gorm/clause"
)

type AlbumCreateRequest struct {
	Name   string `validate:"min=1,max=255,regexp=^[^/]*$"`
	Parent *uint32
}

func (s *Service) AlbumCreate(c *gin.Context) {
	req := &AlbumCreateRequest{}
	if err := c.ShouldBindJSON(req); err != nil {
		s.Error(c, http.StatusBadRequest, err)
	}
	if err := validator.Validate(req); err != nil {
		s.Error(c, http.StatusExpectationFailed, err)
		return
	}

	sess := s.CurrentSession(c)

	if req.Parent != nil {
		var parentExists int64
		if err := s.DB.Model(&models.Album{}).Where("id = ?", req.Parent).Count(&parentExists).Error; err != nil {
			s.Error(c, http.StatusInternalServerError, err)
			return
		}
		if parentExists == 0 {
			s.Error(c, http.StatusNotFound, ErrAlbumDontExists)
			return
		}
	}

	album := &models.Album{
		Name:     req.Name,
		ParentId: req.Parent,
		Author:   sess.Account,
		AuthorId: &sess.Account.ID,
	}

	if err := s.DB.Debug().Omit(clause.Associations).Clauses(clause.Returning{}).Create(album).Error; err != nil {
		s.Error(c, http.StatusConflict, err)
		return
	}

	c.JSON(http.StatusOK, gin.H{
		"status": "success",
		"album":  album,
	})
}