class ResultService 
{
    constructor(alertBox, rankingTable, endpoint)
    {
        this.alertBox     = alertBox;
        this.rankingTable = rankingTable;
        this.endpoint     = endpoint;
        this.hash = 0;
        this.loop();
    }

    async loop()
    {
        try {
            await this.updateTable();
            this.alertBox.classList.add("hidden");
        } catch (error) {
            console.log(error);
            this.alertBox.innerHTML = "<b>Noe gikk galt: </b>" + error;
            this.alertBox.classList.remove("hidden");
        }

        setTimeout(() => {
            this.loop();
        }, 1000);
    }

    async updateTable()
    {
        let response = await fetch(this.endpoint + this.hash);

        if (response.status === 204)
        {
            return;
        }

        let json = await response.json();

        this.hash = json.hash;

        let data = json.data;
        data.times = data.times.reverse();

        let tableHTML = "";
        tableHTML += "<table>";
        tableHTML += "<tr>";
        tableHTML += "<th>#</th>";
        tableHTML += "<th>Lag</th>";
        tableHTML += "<th>Tid</th>";
        tableHTML += "</tr>";

        let iterator = 0;
        data.times.forEach(element => {
            iterator++;

            tableHTML += "<tr>";
            tableHTML += "<td>" + iterator + "</td>";
            tableHTML += "<td>" + data.map.team.name[element.id] + "</td>";
            tableHTML += "<td>" + element.time + "</td>";
            tableHTML += "</tr>";
        });

        tableHTML += "<table>";

        this.rankingTable.innerHTML = tableHTML;
    }
}