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

let gql = getGQL("http://shop-roles.asmer.fs.a-level.com.ua/graphql")

//регистрация
let reg = async(login, password) => {
    let query = `mutation reg($login:String, $password:String) {
        UserUpsert(user:{
            login: $login,
            password: $password

        }){
           _id
        }
    }`

    let variables = {"login":login, "password":password}

    let res = await gql(query, variables)
    console.log(res)
    return res
}

//логин
let login = async(login, password) => {
    let query = `query login($login:String, $password:String) {
        login(login: $login, password: $password)
    }`

    let variables = {"login":login, "password":password}

    let token = await gql(query, variables)
    console.log(token)
    localStorage.authToken = token.data.login
}

//отправка заказа
let newOrder = async(obj) => {
    let option = Object.entries(obj)
    let orderGoods = []
  
    for (let key of option) {
        let i = {
            "count": key[1],
            "good": {"_id": key[0]}
        }
        orderGoods.push(i)
    }
  
    let query = `mutation newOrder($order:OrderInput) {
       OrderUpsert(order:$order) {
         _id 
       }
     }`
  
    let variables = {
        "order": {"orderGoods": orderGoods}
    }
  
    let res = await gql(query, variables)
    console.log(res)
    return res
}
  
//получениe всех заказов
let getOrders = async() => {
    let query = `query orders {
      OrderFind(query:"[{}]") {
        _id total 
        orderGoods {
          good {
            _id
            name
          }
          count 
          price
          total
        }
      }
    }`
  
    let res = await gql(query)
    console.log(res)
    return res
}
  
//получениe одного заказа по его _id
  let orderById = async(id) => {
      let query = `query orderId($id:String) {
        OrderFind(query:$id) {
        createdAt total
        orderGoods {
          good {
            _id
            name
          }
          count total price
        } 
      }
    }`
  
    let variables = {
        "id": JSON.stringify([{ "_id": id }])
    }
  
    let res = await gql(query, variables)
    console.log(res)
    return res
}