autonomous.contact/public/tabs/talk.html

<div id="talk" class="tab">
	<input
		type="radio"
		name="top-level-tabs"
		id="talk-tab-input"
		class="tab-switch"
		data-hash="/talk"
	/>
	<label for="talk-tab-input" class="tab-label"
		><div class="icon talk"></div>
		<div class="label">Talk</div>
	</label>
	<div class="tab-content">
		<style>
			#talk .tab-content {
				display: grid;
				grid-template-columns: auto 1fr;
			}

			#talk .sidebar {
				position: relative;
				min-width: 100px;
				padding-top: 1.5rem;
			}

			#talk .room {
				padding: 1rem;
			}

			#talk #room-create {
				position: absolute;
				top: 1rem;
				right: 0.5rem;
			}

			#talk .room-selector a {
				display: block;
				width: 100%;
				text-decoration: none;
				line-height: 1.5rem;
			}

			#talk #room-chat-container {
				position: relative;
			}

			#talk #room-chat-content {
				padding-bottom: 5rem;
			}

			#talk #room-chat-entry-container {
				position: absolute;
				bottom: 0;
				left: 0;
				right: 0;
				height: 5rem;
				padding: 1rem;
			}

			#talk #room-chat-entry-container form {
				position: absolute;
				top: 0;
				left: 0;
				right: 0;
				bottom: 0;
				display: flex;
				flex-direction: row;
				padding: 0.75rem;
			}

			#talk #room-chat-entry-container form button {
				width: inherit;
				padding: inherit;
				margin: 0 1rem;
			}

			#talk #room-chat-entry-container form textarea {
				flex-grow: 1;
				background: inherit;
				color: inherit;
			}

			#talk .message-container {
				display: flex;
				flex-direction: row;
				transition: all 0.33s;
			}

			#talk .message-container.sending {
				opacity: 0.75;
			}

			#talk .message-container .info-container {
				width: 8rem;
			}

			#talk .message-container .info-container .avatar-container {
				display: block;
				margin: 0 auto;
				width: 3rem;
				height: 3rem;
				border-radius: 16%;
				overflow: hidden;
			}

			#talk .message-container .info-container .avatar-container img {
				width: 100%;
			}

			#talk .message-container .info-container .datetime-container,
			#talk .message-container .info-container .username-container {
				text-align: center;
			}

			#talk .message-container .info-container .datetime-container .long {
				visibility: hidden;
				display: none;
			}

			#talk .message-container .info-container .datetime-container .short {
				font-weight: bold;
				font-size: x-small;
			}
		</style>
		<div class="sidebar resizable">
			<div id="room-create" class="clickable" data-requires-permission="rooms.create">
				<div class="icon plus"></div>
				<script>
					async function get_new_room_element() {
						const existing_new_room_element = document.getElementById("new-room");
						if (existing_new_room_element) {
							return existing_new_room_element;
						}

						const room_list = document.getElementById("room-list");
						room_list.insertAdjacentHTML(
							"beforeend",
							`<li id="new-room" class="room-selector" contenteditable="true">New Room</li>`,
						);
						await new Promise((resolve) => setTimeout(resolve, 1));

						const new_room_element = document.getElementById("new-room");
						return new_room_element;
					}

					async function load_room(room_id) {
						const room_response = await api.fetch(`/rooms/${room_id}`);
						if (!room_response.ok) {
							const error = await room_response.json();
							alert(error.message ?? JSON.stringify(error));
							return;
						}

						const room = await room_response.json();

						const events_response = await api.fetch(`/rooms/${room_id}/events`);

						if (!events_response.ok) {
							const error = await room_response.json();
							alert(error.message ?? JSON.stringify(error));
							return;
						}
					}

					// TODO: one place to handle switching rooms
					// TODO: load events when we switch rooms and clear and update the chat
					// TODO: try to select immediate siblings from the same user and hide avatars
					window.addEventListener("locationchange", function () {
						const hash = window.location.hash;
						const room_id =
							hash.indexOf("#/talk/room/") === 0 ? hash.substring(12) : "";
						const room_chat_container = document.getElementById("room-chat-container");
						room_chat_container.dataset.room_id = room_id;
					});

					document.addEventListener("DOMContentLoaded", async () => {
						const rooms_response = await api.fetch("/rooms");
						if (rooms_response.ok) {
							const room_list = document.getElementById("room-list");
							room_list.innerHTML = "";
							const rooms = await rooms_response.json();
							for (const room of rooms) {
								room_list.insertAdjacentHTML(
									"beforeend",
									`<li id="room-${room.id}" class="room-selector"><a href="#/talk/room/${room.id}">${room.name}</a></li>`,
								);
							}
						}

						const chat_input = document.getElementById("room-chat-input");
						async function on_send_message(event) {
							event.preventDefault();

							chat_input.disabled = true;

							const message = chat_input.value.trim();
							if (!message) {
								chat_input.disabled = false;
								return;
							}

							const room_chat_container =
								document.getElementById("room-chat-container");
							const room_chat_content = document.getElementById("room-chat-content");

							const room_id = room_chat_container.dataset.room_id;

							if (!room_id) {
								alert("Failed to get room_id!");
								chat_input.disabled = false;
								return;
							}

							const now = new Date().toISOString();

							const message_event = {
								type: "text",
								data: {
									message,
								},
								timestamps: {
									created: now,
									updated: now,
								},
							};

							const temp_message_id = `TEMP-${now}`;
							const now_datetime = datetime_to_local(
								message_event.timestamps.created,
							);

							const user = JSON.parse(document.body.dataset.user);

							room_chat_content.insertAdjacentHTML(
								"beforeend",
								`<div id="${temp_message_id}" class="message-container sending from-user-${user.id}">
									<div class="info-container">
										<div class="avatar-container">
											<img src="${user.meta?.avatar ?? "/images/default_avatar.gif"}" alt="user avatar" />
										</div>
										<div class="username-container">
											<span class="username">${user.username ?? "unknown"}</span>
										</div>
										<div class="datetime-container">
											<span class="long">${now_datetime.long}</span>
											<span class="short">${now_datetime.short}</span>
										</div>
									</div>
									<div class="message-content-container">${message_event.data.message}</div>
								</div>`,
							);

							const event_response = await api.fetch(`/rooms/${room_id}/events`, {
								method: "POST",
								json: message_event,
							});

							if (!event_response.ok) {
								alert("FAIL");
								chat_input.disabled = false;
								return;
							}

							const authoritative_message_event = await event_response.json();

							const temp_message = document.getElementById(temp_message_id);
							temp_message.id = authoritative_message_event.id;
							temp_message.classList.remove("sending");

							const local_datetime = datetime_to_local(
								authoritative_message_event.timestamps.created,
							);
							const long_time = temp_message.querySelector(
								".datetime-container .long",
							);
							const short_time = temp_message.querySelector(
								".datetime-container .short",
							);
							long_time.innerHTML = local_datetime.long;
							short_time.innerHTML = local_datetime.short;

							chat_input.value = "";
							chat_input.disabled = false;
						}

						const send_button = document.getElementById("room-chat-send");
						send_button.addEventListener("click", on_send_message);
						chat_input.addEventListener("keypress", (event) => {
							if (event.key === "Enter" && !event.shiftKey) {
								on_send_message(event);
							}
						});

						const room_create_button = document.getElementById("room-create");
						room_create_button.addEventListener("click", async (event) => {
							event.preventDefault();

							const new_room_element = await get_new_room_element();
							new_room_element.focus();
							if (document.body.createTextRange) {
								const range = document.body.createTextRange();
								range.moveToElementText(new_room_element);
								range.select();
							} else if (window.getSelection) {
								const selection = window.getSelection();
								const range = document.createRange();
								range.selectNodeContents(new_room_element);
								selection.removeAllRanges();
								selection.addRange(range);
							}

							new_room_element.addEventListener("keypress", (event) => {
								if (event.keyCode !== 13) {
									return;
								}

								event.preventDefault();
								new_room_element.blur();
							});

							new_room_element.addEventListener("focusout", async () => {
								const name =
									new_room_element.textContent ?? new_room_element.innerText;

								const new_room_response = await api.fetch("/rooms", {
									method: "POST",
									json: {
										name,
									},
								});

								if (!new_room_response.ok) {
									const error = await new_room_response.json();

									console.dir({ error });
									alert(error.message ?? "unknown error!");
									return;
								}

								const new_room = await new_room_response.json();
								new_room_element.remove();

								const room_list = document.getElementById("room-list");
								room_list.insertAdjacentHTML(
									"beforeend",
									`<li id="room-${new_room.id}" class="room-selector"><a href="#/room/${new_room.id}">${new_room.name}</a></li>`,
								);

								const room_selectors = document.querySelectorAll(".room-selector");
								for (const room_selector of room_selectors) {
									room_selector.classList.remove("active");
								}

								const new_room_selector = document.getElementById(
									`room-${new_room.id}`,
								);
								new_room_selector.classList.add("active");

								window.location.hash = `/talk/room/${new_room.id}`;
							});
						});
					});
				</script>
			</div>
			<ul id="room-list"></ul>
		</div>
		<div id="room-chat-container">
			<div id="room-chat-content"></div>
			<div id="room-chat-entry-container">
				<form action="">
					<button aria-label="Attach file">
						<i class="icon attachment"></i>
					</button>
					<textarea id="room-chat-input" class="room-chat-input" rows="1"></textarea>
					<button id="room-chat-send" class="primary" aria-label="Send a message">
						<i class="icon send"></i>
					</button>
				</form>
			</div>
		</div>
	</div>
</div>