let url = 'http://shop-roles.asmer.fs.a-level.com.ua/graphql';

const getGQL = url => (query,variables = {}) => 
fetch(url, {
        method : 'POST',
        headers : {
            'Content-Type' : 'application/json',
            'Accept' : 'application/json',
            ...(localStorage.authToken ? {"Authorization": "Bearer " + localStorage.authToken} : {})
        },
        body : JSON.stringify({query,variables})
    }
).then(res => res.json())
.then((data)=>{

    if(data.errors && !data.data){
        throw new Error(JSON.stringify(data.errors))
    } else {
        let ar = Object.values(data.data)
        return ar[0]
    }
}).then((data) => data);

const gql = getGQL(url);

async function login(log,pass){
    let token = await gql(`query login($login:String, $password:String){
        login(login:$login, password : $password)
    }`, {login : log, password : pass});

    localStorage.authToken = await token;
}

async function register(log,pass){
    let data = await gql( `mutation register($login: String, $password: String) {
        UserUpsert(user: {login: $login, password: $password}) {
          _id
          login
        }
      }`, {login : log, password : pass});

    console.log(data);
}

async function findCat(id){                                     // + все гуды этой категории (айди и имя)
    let data = await gql( `query findCatOne($q1: String) {
        CategoryFindOne(query: $q1) {
          name
          _id
          goods {                                                 
            _id
            name
          }
        }
      }`, {q1 : JSON.stringify([{_id: id}])});

    console.log(data);  
}

async function newOrder(){
    let data = await gql( `mutation newOrder($order: OrderInput) {
        OrderUpsert(order: $order) {
          _id
          total
        }
      }`, {order :{
            orderGoods: [
                    {count: 2, good: {_id: "5dc4a3e15df9d670df48cc6b"}},
                    {count: 3, good: {_id: "5e247bbb56d8f720513e6ce2"}}
            ]
    }})
    console.log(data) ///=====>{_id: '61db3220c750c12ba6ba4fa4', total: 23997}
}

async function findGoodId(id){
    let data = await gql(`query findGood($goodId: String) {
        GoodFindOne(query: $goodId) {
          name
          price
        }
      }`, {goodId : JSON.stringify([{_id: id}])})

      console.log(data)                 //=====>>>{name: 'Морс смородиновый (1 л)', price: 60}
}

register('qwewe12334', '445224')
login("user24049312", "240493");
findCat("5dc94bd00e36db246e3049ee");
newOrder();
findGoodId("5dcac4ce6d09c45440d14cf9");