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<%- include('header', { title: "Chat Log" }) -%>
<style>
table{width:min(60rem,100%);}
td:nth-child(1),td:nth-child(2){white-space:nowrap;width:0}
td:nth-child(3){white-space:nowrap;width:8rem}
#foot{display:inline-block;padding-top:8px;}
table{border:1px solid black}
td{border:none}
td a{text-decoration:none;color:black;}
tr{background-color:white;}
tr.me{background-color:aliceblue;}
</style>
<% if (page_size > 0) { %>
<p>
<button onclick="oldest()">Oldest</button>
<button onclick="back()">←</button>
<button onclick="next()">→</button>
<button onclick="newest()">Newest</button>
<span id="foot"></span>
<table><thead><tr><th>Game<th>Time<th>Who<th>Message</thead><tbody></tbody></table>
<p><a href="/chat/all">All messages</a>
<% } else { %>
<table><thead><tr><th>Game<th>Time<th>Who<th>Message</thead><tbody></tbody></table>
<% } %>
<script>
let chat_data = <%- JSON.stringify(chat).replace(/&/g,"&").replace(/</g,"<").replace(/>/g,">") %>;
let page_size = <%- page_size %>;
let me = <%- JSON.stringify(user.name) %>;
let table = document.querySelector("tbody");
let foot = document.querySelector("#foot");
let chat_lines = [];
function add(tr,text,link) {
let td = document.createElement("td");
if (link) {
let a = document.createElement("a");
a.href = link;
a.textContent = text;
td.appendChild(a);
} else {
td.textContent = text;
}
tr.appendChild(td);
}
function format_date(date) {
let t = date.toISOString();
return t.substring(0,10) + " " + t.substring(11,19);
}
for (let [game_id,time,user,message] of chat_data) {
let tr = document.createElement("tr");
if (user === me) tr.className = 'me';
add(tr,game_id,'/join/'+game_id);
add(tr,format_date(new Date(time+'Z')));
add(tr,user,'/user/'+user);
add(tr,message);
chat_lines.push(tr);
}
function next() { if (page > 0) --page; update(); }
function back() { if (page < page_count-1) ++page; update(); }
function newest() { page=0; update(); }
function oldest() { page=page_count-1; update(); }
let chat_size = chat_lines.length;
let page_count = Math.ceil(chat_size / page_size);
let page = 0;
function update() {
table.innerHTML = '';
for (let i = 0; i < page_size; ++i) {
let k = page * page_size + ( page_size - i - 1);
if (k >= 0 && k < chat_size)
table.appendChild(chat_lines[k]);
foot.textContent = `${page_count-page} / ${page_count}`;
}
}
if (page_size > 0) {
newest();
} else {
for (let i = chat_size-1; i >= 0; --i)
table.appendChild(chat_lines[i]);
}
</script>
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