const { ApolloServer, gql } = require("apollo-server");
const { readFileSync } = require("fs");
const { join } = require("path");

// The GraphQL schema
const typeDefs = gql`
  type Book {
    title: String
    author: String
    url: String
  }

  type Query {
    books: [Book]
  }
`;

// A map of functions which return data for the schema.
const resolvers = {
  Query: {
    // books: () => books,
    books: () => {
      return JSON.parse(readFileSync(join(__dirname, "books.json")).toString());
    },
  },
};

const server = new ApolloServer({
  typeDefs,
  resolvers,
  playground: true,
});

server.listen().then(({ url }) => {
  console.log(`🚀 Server ready at ${url}`);
});

// books.json
[{ "title": "malza' coding", "author": "malza", "url": "<http://malza.com>" }]