import { Server } from "http";
import * as path from "path";
import { ApolloServer, express, makeSchema, yogaEject } from "yoga";
import context from "./context";
import * as types from "./graphql";

export default yogaEject({
  async server() {
    const app = express();

    const schema = makeSchema({
      types,
      outputs: {
        schema: path.join(__dirname, "./schema.graphql"),
        typegen: path.join(__dirname, "../.yoga/nexus.ts")
      },
      typegenAutoConfig: {
        sources: [
          {
            source: path.join(__dirname, "./context.ts"),
            alias: "ctx"
          }
        ],
        contextType: "ctx.Context"
      }
    });

    const apolloServer = new ApolloServer.ApolloServer({
      schema,
      context
    });

    apolloServer.applyMiddleware({ app, path: "/" });

    return app;
  },
  async startServer(express) {
    return new Promise<Server>((resolve, reject) => {
      const httpServer = express
        .listen({ port: 4000 }, () => {
          console.log(`🚀  Server ready at http://localhost:4000/`);

          resolve(httpServer);
        })
        .on("error", err => reject(err));
    });
  },
  async stopServer(httpServer) {
    return httpServer.close();
  }
});