package main;

import (
	"fmt"
	"log"
	"net/http"
	"strconv"

    pb "git.strikerlulu.me/strikerlulu/grpc-mocker/pb"

	"github.com/gin-gonic/gin"
	"google.golang.org/grpc"
)

func main() {
	conn, err := grpc.Dial("grpc-server:3000", grpc.WithInsecure())
	if err != nil {
		log.Fatalf("Dial failed: %v", err)
	}
	client := pb.NewCalcServiceClient(conn)

	r := gin.Default()
	r.GET("/add/:x/:y", func(c *gin.Context) {

		x, err := strconv.ParseUint(c.Param("x"), 10, 64)
		if err != nil {
			c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid parameter X"})
			return
		}
		y, err := strconv.ParseUint(c.Param("y"), 10, 64)
		if err != nil {
			c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid parameter Y"})
			return
		}

        req := &pb.AdditionRequest{X: x,Y: y}
		if res, err := client.Add(c, req); err == nil {
			c.JSON(http.StatusOK, gin.H{
				"result": fmt.Sprint(res.Result),
			})
		} else {
			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		}
	})

	if err := r.Run(":3000"); err != nil {
		log.Fatalf("Failed to run server: %v", err)
	}
}