{{ block content }}

<style>
    .tab {
        display: none;
    }
</style>

<div class="tab">
    <h5>Instructions</h5>
    <br>
    <p style="text-align: justify">
        In this experiment, you will be randomly placed into a group of <b>two</b> players: a <b>Blue</b> player and
        a <b>Green</b> player.
    </p>
    <p style="text-align: justify">
        There will be <b>one</b> round in the experiment. In this round, you and the other player in your group will communicate
        via a chat box. After communicating in the chat box, the Blue player and the Green player will choose one of two actions,
        <b>H</b> or <b>L</b>. If you are the Blue player, it means that you will be paired with the Green player. Similarly, if you
        are the Green player you will be paired with the Blue player.
    </p>
    <p style="text-align: justify">
        The earnings of the Green player will depend on their own action and the Blue player’s action. Similarly,
        the earnings of the Blue player will depend on their own action and the Green player’s action.
    </p>
    <p style="text-align: justify">
        The table below shows how the earnings for the Blue and the Green player depend on their actions. This means that:
    <ul style="text-align: justify">
    <li>If both players choose H, both players earn <b>0</b> euros.</li>
    <li>If the Blue player chooses H and the Green player L, the Blue player earns <b>16</b> euros, and the Green player earns <b>4</b> euros.</li>
    <li>If the Blue player chooses L and the Green player H, the Blue player earns <b>4</b> euros, and the Green player earns <b>16</b> euros.</li>
    <li>If both players choose L, both players earn <b>6</b> euros.</li>
    </ul>
    <br>
        <table class="table" style="text-align:center">
        <caption style="text-align: center"></caption>
    <tbody>
        <tr>
            <td><strong>Blue player's action</strong></td>
            <td><strong>Green player's action</strong></td>
            <td><strong>Blue player's earnings</strong></td>
            <td><strong>Green player's earnings</strong></td>
        </tr>
        <tr>
             <td>H</td>
             <td>H</td>
             <td>{{C.PAYOFF_MUTUAL_H}}</td>
             <td>{{C.PAYOFF_MUTUAL_H}}</td>
        </tr>
        <tr>
            <td>H</td>
            <td>L</td>
            <td>{{C.PAYOFF_H_WHEN_HL}}</td>
            <td>{{C.PAYOFF_L_WHEN_HL}}</td>
        </tr>
        <tr>
            <td>L</td>
            <td>H</td>
            <td>{{C.PAYOFF_L_WHEN_HL}}</td>
            <td>{{C.PAYOFF_H_WHEN_HL}}</td>
        </tr>
        <tr>
            <td>L</td>
            <td>L</td>
            <td>{{C.PAYOFF_MUTUAL_L}}</td>
            <td>{{C.PAYOFF_MUTUAL_L}}</td>
        </tr>
    </tbody>
    </table>
    <br>
    <p>
        <button type="button" class="btn btn-primary btn-tab" data-offset="1">Next</button>
    </p>

</div>
<div class="tab">
    <p style="text-align: justify;">
        Before the Blue player and the Green player make a decision, you will have the opportunity to communicate
        via a chat box. The communication works as follows.
    </p>
    <p style="text-align: justify;">
        You can chat freely with each other. There are two <b>important rules</b> for the communication procedure:
    </p>
    <ol style="text-align: justify;">
        <li>
        <b>Communication ends if both the Blue player and the Green player decide to leave the chat.</b> At the bottom of
        the chat box, there is a "Leave" button. If a player clicks this button, this is shown to the other player.
        If only one player clicks “Leave”, the communication will continue. Only if both the Blue player and
        the Green player decide to leave the chat, the communication will end. After clicking “Leave”, the Blue player
        and the Green player can also indicate to continue communicating by clicking “Stay”.
        </li>
        <li style="margin-top: 14px">
        <b>You are not allowed to identify yourself in any way.</b> If you identify yourself (for instance, by giving your
        name or computer number or describing where you are seated), you may be excluded from the experiment and lose all
        earnings, including the show-up fee.
        </li>
    </ol>
    <br>
    <p>
        <button type="button" class="btn btn-primary btn-tab" data-offset="-1">Previous</button>
        <button type="button" class="btn btn-primary btn-tab" data-offset="1">Next</button>
    </p>
</div>
<div class="tab">
    <h5>Practice Questions</h5>
    <br>
    <p style="text-align: justify">
        We now ask you to answer the following questions to ensure that the instructions are clear to you.
        If you have any questions about the instructions, please raise your hand and we will come to your table to assist you.
    </p>
    <br>
    <p style="text-align: justify">
        <i>When computing the earnings below, you should exclude the show-up fee that everyone receives.</i>
    </p>
    <table class="table" style="text-align: justify; vertical-align: middle">
        <tr>
            <td>{{ form.mypayoffhh.label }}</td>
            <td style="width:12%;">{{ form.mypayoffhh }}</td>
        </tr>
        <tr>
            <td>{{ form.partnerpayoffll.label }}</td>
            <td>{{ form.partnerpayoffll }}</td>
        </tr>
        <tr>
            <td>{{ form.mypayoffhl.label }}</td>
            <td>{{ form.mypayoffhl }}</td>
        </tr>
        <tr>
            <td>{{ form.mypayofflh.label }}</td>
            <td>{{ form.mypayofflh }}</td>
        </tr>
    </table>
    <br>
    <p style="text-align: justify; vertical-align: middle">
        <i>Please indicate whether the following statements are true or false:</i>
    </p>
    <table class="table" style="text-align: justify">
        <tr>
            <td style="vertical-align: middle">{{ form.rounds.label }}</td>
            <td>{{ form.rounds }}</td>
        </tr>
        <tr>
            <td style="vertical-align: middle">{{ form.others.label }}</td>
            <td>{{ form.others }}</td>
        </tr>
    </table>
    <br>
    Clicks: <a id="clicks">0</a>
    <input type="hidden" name="num_clicks" id="num_clicks"/>
    <input type="hidden" name="time_spent" id="time_spent"/>
    <p>
        <button type="button" class="btn btn-primary btn-tab" data-offset="-1">Previous</button>
        <button class="btn btn-primary" onclick="track()">Next</button>
    </p>
</div>

<script>
    let activeTab = js_vars.errors.length === 0 ? 0 : 2;
    if (activeTab === 2) {
        document.getElementsByClassName("otree-form-errors")[0].firstChild.nodeValue =
            "There are incorrect answers. Please read the instructions again.";

            js_vars.errors.forEach(function (item, index) {
                const input = document.getElementById('id_' + item);
                input.style.backgroundColor = '#FFFFFF';
            });
    }

    function showCurrentTabOnly() {
        let tabIndex = 0;
        for (let tab of document.getElementsByClassName('tab')) {
            tab.style.display = tabIndex === activeTab ? 'block' : 'none';
            tabIndex++;
        }
    }

    let clicks = 0;

    function track() {
        clicks+=1;
        document.getElementById('clicks').innerHTML = clicks;
        document.getElementById('num_clicks').value = clicks;
    }

    let pageTimeElapsed = 0;
    let pageTimerID = -1;

    function pageTick() {
        pageTimeElapsed++
        document.getElementById("time_spent").value = pageTimeElapsed;
    }

    window.onload = function() {
        if(pageTimerID === -1){
            pageTimerID = setInterval(pageTick, 1000);
        }
    }

    showCurrentTabOnly();
    for (let btn of document.getElementsByClassName('btn-tab')) {
        btn.onclick = function () {
            activeTab += parseInt(btn.dataset.offset);
            showCurrentTabOnly();
        }
    }
</script>

{{ endblock }}