package main

import (
	"context"
	"encoding/json"
	"fmt"
	"log"
	"os"
	"time"

	"google.golang.org/grpc"
	"google.golang.org/grpc/credentials/insecure"
	"google.golang.org/protobuf/encoding/protojson"

	"git.5iot.com/iotlcm-public/iotlcm-sms/api/pb"
)

type requestFile struct {
	Config json.RawMessage `json:"config"`
	Params json.RawMessage `json:"params"`
}

func main() {
	if len(os.Args) < 2 {
		log.Fatalf("usage: go run ./examples/grpc_client <request.json> [host:port]")
	}
	address := "127.0.0.1:11200"
	if len(os.Args) > 2 {
		address = os.Args[2]
	}

	data, err := os.ReadFile(os.Args[1])
	if err != nil {
		log.Fatal(err)
	}
	var input requestFile
	if err := json.Unmarshal(data, &input); err != nil {
		log.Fatal(err)
	}

	conn, err := grpc.NewClient(address, grpc.WithTransportCredentials(insecure.NewCredentials()))
	if err != nil {
		log.Fatal(err)
	}
	defer conn.Close()

	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
	defer cancel()
	response, err := pb.NewNoticeClient(conn).Send(ctx, &pb.SendReq{
		Head: &pb.HeadReq{
			RouterId: time.Now().UnixNano(),
			TraceId:  fmt.Sprintf("grpc-example-%d", time.Now().Unix()),
		},
		Config: input.Config,
		Params: input.Params,
	})
	if err != nil {
		log.Fatal(err)
	}
	output, err := protojson.MarshalOptions{Indent: "  "}.Marshal(response)
	if err != nil {
		log.Fatal(err)
	}
	fmt.Println(string(output))
}