schema.js

const {
  GraphQLObjectType,
  GraphQLBoolean,
  GraphQLInt,
  GraphQLString,
  GraphQLList,
  GraphQLSchema

} = require("graphql");

const axios=require("axios")

const LaunchType = new GraphQLObjectType({
  name: "Launch",
  fields: () => ({
    field_number: { type: GraphQLInt },
    mission_name: { type: GraphQLString },
    launch_year: { type: GraphQLString },
    flight_number: { type: GraphQLString },
    launch_date_local: { type: GraphQLString },
    launch_success: { type: GraphQLBoolean },
    rocket:{type:RocketType}
  })
});


const RocketType = new GraphQLObjectType({
  name: "Rocket",
  fields: () => ({
    rocket_name: { type: GraphQLString },
    rocket_id: { type: GraphQLString },
    rocket_type: { type: GraphQLString }
  })
});

//Root Query

const RootQuery=new GraphQLObjectType({
    name:'RootQueryType',
    fields:{
        launches:{
            type:new GraphQLList(LaunchType),
            resolve(parent,args){
                return axios.get("https://api.spacexdata.com/v3/launches").then(res=>res.data)
            }
        },
        launch:{
            type:LaunchType,
            args:{
                flight_number:{type:GraphQLInt}

            },
            resolve(parent,args){
                return axios.get(`https://api.spacexdata.com/v3/launches/${args.flight_number}`).then(res=>res.data)
            }
        }
    }
})

module.exports=new GraphQLSchema({
    query:RootQuery

})