package user

import (
	"errors"
	"nixcn-cms/data"
	"time"

	"github.com/gin-gonic/gin"
	"github.com/google/uuid"
	"gorm.io/gorm"
)

func Query(c *gin.Context) {
	userId, ok := c.Get("user_id")
	if !ok {
		c.JSON(400, gin.H{"status": "could not found user_id"})
		return
	}

	eventIdOrig, ok := c.GetQuery("event_id")
	if !ok {
		c.JSON(400, gin.H{"status": "could not found event_id"})
		return
	}
	eventId, err := uuid.Parse(eventIdOrig)
	if err != nil {
		c.JSON(400, gin.H{"status": "event_id is not valid"})
		return
	}

	checkinData := new(data.Checkin)
	checkin, err := checkinData.GetCheckin(userId.(uuid.UUID), eventId)
	if err != nil {
		c.JSON(500, gin.H{"status": "database error"})
		return
	} else if checkin == nil {
		c.JSON(404, gin.H{"status": "event checkin record not found"})
		return
	}

	checkinTime := time.Now()
	checkinData.EventId = eventId
	checkinData.UserId = userId.(uuid.UUID)
	checkinData.CheckinAt = checkinTime
	err = checkinData.CreateCheckin()
	if err != nil {
		if errors.Is(err, gorm.ErrDuplicatedKey) {
			c.JSON(409, gin.H{
				"status": "already checked in",
			})
			return
		}
		c.JSON(500, gin.H{
			"status": "database error",
		})
		return
	}

	c.JSON(200, gin.H{
		"checkin_time": checkinTime,
	})
}