async function getGQL(url) {
    return async (query, variables) => {
        let options = {
            method: 'POST',
            headers: {
                "Content-Type": "application/json",
            },
            body: JSON.stringify({ query, variables })
        }

        if(localStorage.authToken) {
            options.headers.Authorization = `Bearer ${localStorage.authToken}`
        }

        console.log(options.headers)

        try {
            let response = await fetch(url, options)
            let { data } = await response.json()
            console.log('data reseved', data)
            return data[Object.keys(data)[0]]
        } catch (e) {
            console.warn('an eror occured', e)
        }
    }
}

(async () => {
    const gql2 = await getGQL('http://shop-roles.asmer.fs.a-level.com.ua/graphql')
    console.log('from getGQL: ', (await gql2(`
          query cats{
            CategoryFind(query:"[{}]"){
              name goods{
                name
              }
            }
          }`
        , { login: 'tst', password: '123' })))
})()

let _id = "61a762f9c750c12ba6ba40aa"

async function catById(_id) {
    let gql = await getGQL('http://shop-roles.asmer.fs.a-level.com.ua/graphql')
    let data = await gql(`query catById($query:String){
                    CategoryFindOne(query:$query){
                        name goods{
                        _id name
                        }
                    }
                }`, { query: JSON.stringify([{ _id }]) })
    return data
}

async function loginAndToken(log, pass) {
    let gql = await getGQL('http://shop-roles.asmer.fs.a-level.com.ua/graphql')
    let data =  await gql(`
        query log($login:String, $password:String) {
            login(login: $login, password: $password)
        }`, {login:  log, password: pass})
    return data
}

async function registerUser(obj) {
    let gql = await getGQL('http://shop-roles.asmer.fs.a-level.com.ua/graphql')
    let data = await gql(`
        mutation register($login:String, $password:String, $nick:String) {
            UserUpsert(
            user: { login: $login, password: $password }){
                login _id 
            }
        }`, {user: obj})
    return data
}

(async () => {
    localStorage.authToken = await loginAndToken("OLDBOY228", "3321") 
    console.log('info token', localStorage.authToken)
    console.log('idis', await catById(_id))
    console.log('New user', await registerUser({login:"123F11F", password:"123"}))
})()