package handler

import (
	"fmt"
	"net/http"

	"modelRT/diagram"
	"modelRT/log"
	"modelRT/network"

	"github.com/gin-gonic/gin"
	"github.com/gofrs/uuid"
	"go.uber.org/zap"
)

// CircuitDiagramUpdateHandler define circuit diagram update process API
func CircuitDiagramUpdateHandler(c *gin.Context) {
	logger := log.GetLoggerInstance()

	var request network.CircuitDiagramUpdateRequest
	if err := c.ShouldBindJSON(&request); err != nil {
		logger.Error("unmarshal circuit diagram update info failed", zap.Error(err))
		header := network.ResponseHeader{Status: http.StatusBadRequest, ErrMsg: err.Error()}
		resp := network.BasicResponse{
			ResponseHeader: header,
		}
		c.JSON(http.StatusOK, resp)
		return
	}

	graph, err := diagram.GetGraphMap(request.PageID)
	if err != nil {
		logger.Error("get topologic data from set by pageID failed", zap.Error(err))
		header := network.ResponseHeader{Status: http.StatusBadRequest, ErrMsg: err.Error()}
		resp := network.BasicResponse{
			ResponseHeader: header,
			PayLoad: map[string]interface{}{
				"page_id": request.PageID,
			},
		}
		c.JSON(http.StatusOK, resp)
		return
	}

	for _, newTopologicLink := range request.TopologicLinks {
		fromUUID, err1 := uuid.FromString(newTopologicLink.FromUUID)
		toUUID, err2 := uuid.FromString(newTopologicLink.ToUUID)
		if err1 != nil || err2 != nil {
			var err error
			if err1 != nil {
				err = fmt.Errorf("format from_uuid failed:%w", err1)
			}

			if err2 != nil {
				err = fmt.Errorf("%s,format to_uuid failed:%w", err.Error(), err2)
			}

			logger.Error("format uuid from string failed", zap.Error(err))
			header := network.ResponseHeader{Status: http.StatusBadRequest, ErrMsg: err.Error()}
			resp := network.BasicResponse{
				ResponseHeader: header,
				PayLoad: map[string]interface{}{
					"from_uuid": newTopologicLink.FromUUID,
					"to_uuid":   newTopologicLink.ToUUID,
				},
			}
			c.JSON(http.StatusOK, resp)
			return
		}
		graph.AddEdge(fromUUID, toUUID)
		//  TODO 修改 component 先关信息
		fmt.Println(request.ComponentInfos)
	}
}