{% extends "global/Page.html" %}
{% load otree static %}

{{ block title }}<div style="display: flex; justify-content: center; align-items: center;">Spot The Differences Task</div>
{{ endblock }}

{{ block content }}
<style>
    #connection-overlay {
        position: fixed;
        inset: 0;
        z-index: 9999;
        background: rgba(255, 255, 255, 0.93);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        font-size: 18px;
        color: #444;
        transition: opacity 0.3s ease;
    }
    #connection-overlay.hidden {
        display: none;
    }

#ttt-board td.clicked {
    background-color: rgba(255, 220, 0, 0.45);
    outline: 3px solid rgba(200, 160, 0, 0.9);
    outline-offset: -3px;
}
    .container0 {
        height: 300px;
        display: grid;
        grid-template-columns: 55% 10% 35%;
        justify-content: center;
        align-items: end;
        gap: 0px;
    }

    .container1 {
        display: grid;
        grid-template-rows: 15%  85%;
        height: 100%;
        margin-top: 0;
    }


    .container2 {
        display: grid;
        align-items: center;
        text-align: center;
        justify-content: center;
    }



    .container3 {
        display: grid;
        grid-template-columns: 50% 50%;
        align-items: center;
        margin-top: -10%;
    }


    .board-container {
        display: grid;
        grid-template-columns: 30px 1fr;
        grid-template-rows: 30px 1fr;
        width: 250px;
        height: 250px;
    }

    .column-labels {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        grid-column: 2;
        text-align: center;
    }

    .row-labels {
        display: grid;
        grid-template-rows: repeat(3, 1fr);
        grid-row: 2;
        text-align: center;
        align-items: center;
    }

    #ttt-board {
        grid-column: 2;
        grid-row: 2;
        width: 250px;
        height: 250px;
        text-align: center;
        background-image: url('{% static "3Left.png" %}');
        background-size: 100% 100%;
    }

    #ttt-board td {
        width: calc(250px / 5);
        height: calc(250px / 3);
        text-align: center;
        font-size: x-large;
        border: 1px solid black;
    }

    .static-container {
        display: grid;
        grid-template-columns: 30px 1fr;
        grid-template-rows: 30px 1fr;
        width: 250px;
        height: 250px;
    }

    .static-graph {
        grid-column: 2;
        grid-row: 2;
        width: 250px;
        height: 250px;
        background-image: url('{% static "3Right.png" %}');
        background-size: 100% 100%;
    }

    .chatbox {
        width: 330px;
        height: 250px;
    }

    .otree-chat__btn-send {
  display: block;   /* ensures it's treated like a block element */
  margin: 0 auto;   /* this centers it horizontally */
}

    .otree-chat__btn-send {
  display: block;   /* ensures it's treated like a block element */
  margin: 0 auto;   /* this centers it horizontally */
}


</style>
<div id="connection-overlay">
    <div style="margin-bottom: 16px;">
        <svg width="48" height="48" viewBox="0 0 48 48" fill="none"
             xmlns="http://www.w3.org/2000/svg">
            <circle cx="24" cy="24" r="20" stroke="#ccc" stroke-width="4"/>
            <path d="M24 4 a20 20 0 0 1 20 20" stroke="#555" stroke-width="4"
                  stroke-linecap="round">
                <animateTransform attributeName="transform" type="rotate"
                    from="0 24 24" to="360 24 24"
                    dur="0.9s" repeatCount="indefinite"/>
            </path>
        </svg>
    </div>
    <div>Loading task&hellip;</div>
    <div style="font-size: 13px; color: #888; margin-top: 8px;">
        This takes a few seconds on first load.
    </div>
</div>

        <div style="margin-bottom: 20px; text-align: center; ">

                        Find the 5 differences in the two pictures below. <br>
{% if player.participant.Ana_generation == 2 %}
  <u>Please click on the grids on the left image to submit the answers (up to 5).</u>
{% else %}
  <u>Your teammate is selected to submit answers for your team. Please wait.</u>
{% endif %}

        </div>
       <div id="status" style="text-align: center; font-weight: bold; margin-bottom: 10px;"></div>

<div class="container0">
    <div class="container1">
        <div class="container2" style="        margin-left: 10%;">
            <b>Set 3</b>
        </div>

        <div class="container3">
            <!-- Interactive Board (Left) -->
            <div class="board-container">
                <div class="column-labels">
                    <div>A</div>
                    <div>B</div>
                    <div>C</div>
                    <div>D</div>
                    <div>E</div>
                </div>
                <div class="row-labels">
                    <div>1</div>
                    <div>2</div>
                    <div>3</div>
                </div>
                <table id="ttt-board">
                    <tr>
                        <td id="square0" data-square="0" onclick="sendMove(this)"></td>
                        <td id="square1" data-square="1" onclick="sendMove(this)"></td>
                        <td id="square2" data-square="2" onclick="sendMove(this)"></td>
                        <td id="square3" data-square="3" onclick="sendMove(this)"></td>
                        <td id="square4" data-square="4" onclick="sendMove(this)"></td>
                    </tr>
                    <tr>
                        <td id="square5" data-square="5" onclick="sendMove(this)"></td>
                        <td id="square6" data-square="6" onclick="sendMove(this)"></td>
                        <td id="square7" data-square="7" onclick="sendMove(this)"></td>
                        <td id="square8" data-square="8" onclick="sendMove(this)"></td>
                        <td id="square9" data-square="9" onclick="sendMove(this)"></td>
                    </tr>
                    <tr>
                        <td id="square10" data-square="10" onclick="sendMove(this)"></td>
                        <td id="square11" data-square="11" onclick="sendMove(this)"></td>
                        <td id="square12" data-square="12" onclick="sendMove(this)"></td>
                        <td id="square13" data-square="13" onclick="sendMove(this)"></td>
                        <td id="square14" data-square="14" onclick="sendMove(this)"></td>
                    </tr>
                </table>
            </div>

            <!-- Static Graph (Right) -->
            <div class="static-container">
                <div class="column-labels" style="opacity:0;">
                    <div>A</div>
                    <div>B</div>
                    <div>C</div>
                    <div>D</div>
                    <div>E</div>
                </div>
                <div class="row-labels" style="opacity:0;">
                    <div>1</div>
                    <div>2</div>
                    <div>3</div>
                </div>
                <div class="static-graph"></div>
            </div>
        </div>
    </div>

    <div> </div>

    <div class="container1">
        <div class="container2">
            <b>Chat Box</b>
        </div>
        <div class="chatbox">
           <div id="chat-log" style="width:320px; height:200px; overflow-y:auto; border:1px solid #ccc; padding:8px; background:#fafafa;">
    {% if chat_history %}
        {% for msg in chat_history %}
            <div style="color:#333;">{{ msg.sender }}: {{ msg.chat }}</div>
        {% endfor %}
    {% else %}
        <div style="color:#aaa; font-style:italic;">No messages from the discussion stage.</div>
    {% endif %}
</div>
        </div>

    </div>
</div>

<script>
    let my_symbol = js_vars.my_symbol;
    let overlayDismissed = false;

    // ── Overlay management ───────────────────────────────────────────────────
    function dismissOverlay() {
        if (overlayDismissed) return;
        overlayDismissed = true;
        const overlay = document.getElementById('connection-overlay');
        if (overlay) overlay.classList.add('hidden');
    }
    // Fallback: dismiss after 6s regardless, so players are never permanently blocked
    setTimeout(dismissOverlay, 6000);
    // ────────────────────────────────────────────────────────────────────────

    function writeStatus(msg) {
        document.getElementById('status').innerText = msg;
    }

    function applyBoardState(boardState) {
        for (let i = 0; i < boardState.length; i++) {
            const cell = document.getElementById(`square${i}`);
            if (!cell) continue;
            if (boardState[i] === 1) {
                cell.classList.add('clicked');
            } else {
                cell.classList.remove('clicked');
            }
        }
    }

    function liveRecv(data) {
        // Dismiss overlay on ANY server response — warmup or real move
        dismissOverlay();

        if (data.chat) {
            const log = document.getElementById('chat-log');
            // ── FIX: clear placeholder only once, without dataset trick ──
            if (!log.dataset.ready) {
                log.innerHTML = '';
                log.dataset.ready = 'true';
            }
            const line = document.createElement('div');
            line.style.color = '#333';
            line.textContent = `${data.sender}: ${data.chat}`;
            log.appendChild(line);
            log.scrollTop = log.scrollHeight;
        }

        // CHANGE per round: spotdiffR1 / spotdiffR2 / spotdiffR3
        if (data.spotdiffR3) {
            applyBoardState(data.spotdiffR3);
            writeStatus(`Selected: ${data.clicked_count ?? 0}/5`);
        }
    }

    function sendMove(cell) {
        // Gen1 cannot submit moves — guard against accidental clicks
        if (my_symbol !== js_vars.my_symbol) return;
        {% if player.participant.Ana_generation != 2 %}
            return;
        {% endif %}
        liveSend({ move: parseInt(cell.dataset.square) });
    }

    document.addEventListener("DOMContentLoaded", function () {
        // Warmup ping: server broadcasts current board state to ALL family members,
        // warming both Gen1 and Gen2 WebSocket channels before any real interaction.
        liveSend({});
    });
</script>
{{ endblock }}