package user

import (
	"nixcn-cms/data"

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

func Checkin(c *gin.Context) {
	data := new(data.Attendance)
	userIdOrig, ok := c.Get("user_id")
	if !ok {
		c.JSON(401, gin.H{
			"status": "unauthorized",
		})
		return
	}
	userId, err := uuid.Parse(userIdOrig.(string))
	if err != nil {
		c.JSON(500, gin.H{
			"status": "failed to parse uuid",
		})
	}

	// Get event id from query
	eventIdOrig, ok := c.GetQuery("event_id")
	if !ok {
		c.JSON(400, gin.H{
			"status": "undefinded event id",
		})
		return
	}

	// Parse event id to uuid
	eventId, err := uuid.Parse(eventIdOrig)
	if err != nil {
		c.JSON(500, gin.H{
			"status": "error parsing string to uuid",
		})
		return
	}
	data.UserId = userId
	code, err := data.GenCheckinCode(eventId)
	if err != nil {
		c.JSON(500, gin.H{
			"status": "error generating code",
		})
		return
	}

	c.JSON(200, gin.H{
		"checkin_code": code,
	})
}

func CheckinSubmit(c *gin.Context) {
	userIdOrig, ok := c.Get("user_id")
	if !ok {
		c.JSON(403, gin.H{
			"status": "unauthorized",
		})
	}
	userId, err := uuid.Parse(userIdOrig.(string))
	if err != nil {
		c.JSON(500, gin.H{
			"status": "failed to parse uuid",
		})
	}

	userData := new(data.User)
	userData.GetByUserId(userId)
	if userData.PermissionLevel <= 20 {
		c.JSON(403, gin.H{
			"status": "access denied",
		})
		return
	}

	var req struct {
		ChekinCode string `json:"checkin_code"`
	}
	c.ShouldBindJSON(&req)

	attendanceData := new(data.Attendance)
	err := attendanceData.VerifyCheckinCode(req.ChekinCode)
	if err != nil {
		c.JSON(400, gin.H{
			"status": "error verify checkin code",
		})
		return
	}

	c.JSON(200, gin.H{
		"status": "success",
	})
}