package handler

import (
	"net/http"

	"modelRT/constants"
	"modelRT/diagram"
	"modelRT/logger"
	"modelRT/network"

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

// AttrDeleteHandler deletes a data attribute
func AttrDeleteHandler(c *gin.Context) {
	var request network.AttrDeleteRequest
	clientToken := c.GetString("client_token")
	if clientToken == "" {
		err := constants.ErrGetClientToken

		logger.Error(c, "failed to get client token from context", "error", err)
		c.JSON(http.StatusOK, network.FailureResponse{
			Code: http.StatusBadRequest,
			Msg:  err.Error(),
		})
		return
	}

	if err := c.ShouldBindJSON(&request); err != nil {
		logger.Error(c, "Failed to unmarshal attribute delete request", "error", err)
		c.JSON(http.StatusOK, network.FailureResponse{
			Code: http.StatusBadRequest,
			Msg:  err.Error(),
		})
		return
	}

	rs := diagram.NewRedisString(c, request.AttrToken, clientToken, 10, true)
	if err := rs.GETDEL(request.AttrToken); err != nil {
		logger.Error(c, "Failed to delete attribute from Redis", "attr_token", request.AttrToken, "error", err)
		c.JSON(http.StatusOK, network.FailureResponse{
			Code:    http.StatusBadRequest,
			Msg:     err.Error(),
			PayLoad: map[string]interface{}{"attr_token": request.AttrToken},
		})
		return
	}

	c.JSON(http.StatusOK, network.SuccessResponse{
		Code: http.StatusOK,
		Msg:  "success",
		PayLoad: map[string]interface{}{
			"attr_token": request.AttrToken,
		},
	})
}