// Package handler provides HTTP handlers for various endpoints.
package handler

import (
	"fmt"
	"net/http"

	"modelRT/database"
	"modelRT/diagram"
	"modelRT/logger"
	"modelRT/network"

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

// ComponentAttributeUpdateHandler define circuit diagram component attribute value update process API
func ComponentAttributeUpdateHandler(c *gin.Context) {
	pgClient := database.GetPostgresDBClient()

	var request network.ComponentAttributeUpdateInfo
	if err := c.ShouldBindJSON(&request); err != nil {
		logger.Error(c, "unmarshal circuit diagram component attribute update info failed", "error", err)

		resp := network.FailureResponse{
			Code: http.StatusBadRequest,
			Msg:  err.Error(),
		}
		c.JSON(http.StatusOK, resp)
		return
	}

	componentUUID := uuid.FromStringOrNil(request.UUIDStr)
	if componentUUID == uuid.Nil {
		err := fmt.Errorf("convert component uuid failed")
		logger.Error(c, "convert component uuid type from string to uuid failed", "error", err)

		resp := network.FailureResponse{
			Code: http.StatusBadRequest,
			Msg:  err.Error(),
		}
		c.JSON(http.StatusOK, resp)
		return
	}

	// open transaction
	tx := pgClient.Begin()

	componentInfo, err := database.QueryComponentByUUID(c, tx, componentUUID)
	if err != nil {
		logger.Error(c, "query component info by uuid from postgres failed failed", "error", err)

		tx.Rollback()

		resp := network.FailureResponse{
			Code: http.StatusBadRequest,
			Msg:  err.Error(),
		}
		c.JSON(http.StatusOK, resp)
		return
	}

	// TODO 从 project_manager 表进行查询，然后更新对应表的数据的值

	// TODO 更新 redis 中的缓存的数值
	componentAttributeKey := fmt.Sprintf("%s_%s", componentInfo.Tag, request.AttributeConfigs[0].AttributeExtendType)
	// attributeSet.CompTag, colParams.AttributeType
	attributeHSet := diagram.NewRedisHash(c, componentAttributeKey, 5000, false)
	attributeHSet.SetRedisHashByKV("", nil)

	// commit transaction
	tx.Commit()

	resp := network.SuccessResponse{
		Code: http.StatusOK,
		Msg:  "success",
		Payload: map[string]interface{}{
			"uuid": request.UUIDStr,
		},
	}
	c.JSON(http.StatusOK, resp)
}