import grpc from '@grpc/grpc-js';
import { loadSync } from '@grpc/proto-loader';
import type { ServerUnaryCall, sendUnaryData } from '@grpc/grpc-js';

type Empty = { }
type Task = { id: number, title: string }
type TaskList = { tasks: Task[] }

const tasks: Task[] = [
  { id: 1, title: 'Tarefa 01'},
  { id: 2, title: 'Tarefa 02'},
  { id: 3, title: 'Tarefa 03'},
  { id: 4, title: 'Tarefa 04'}
]

const { Server, ServerCredentials } = grpc as any;

const taskDef = loadSync('./tasks.proto');
const taskProto = (grpc.loadPackageDefinition as any)(taskDef).task as any;

const server = new Server();
server.addService(taskProto.TaskService.service, {
  FindAll: (_: ServerUnaryCall<Empty, TaskList>, callback: sendUnaryData<TaskList>) => {
    callback(null, { tasks })
  }
});

server.bindAsync('0.0.0.0:5050', ServerCredentials.createInsecure(), () => {
  console.log("Servidor rodando na porta 5000")
})