frontend/src/lib/components/chat/ChatPlaceholder.svelte

<script lang="ts">
	import { REXPRO_API_BASE_URL, REXPRO_BASE_URL } from "$lib/constants";
	import { marked } from "marked";
	import DOMPurify from "dompurify";

	import {
		config,
		user,
		models as _models,
		temporaryChatEnabled,
	} from "$lib/stores";
	import { onMount, getContext } from "svelte";

	import { blur, fade } from "svelte/transition";

	import Suggestions from "./Suggestions.svelte";
	import { sanitizeResponseContent } from "$lib/utils";
	import Tooltip from "$lib/components/common/Tooltip.svelte";
	import EyeSlash from "$lib/components/icons/EyeSlash.svelte";

	const i18n = getContext("i18n");

	export let modelIds = [];
	export let models = [];
	export let atSelectedModel;

	export let onSelect = (e) => {};

	let mounted = false;
	let selectedModelIdx = 0;

	$: if (modelIds.length > 0) {
		selectedModelIdx = models.length - 1;
	}

	$: models = modelIds.map((id) => $_models.find((m) => m.id === id));

	onMount(() => {
		mounted = true;
	});
</script>

{#key mounted}
	<div class="m-auto w-full max-w-6xl px-8 lg:px-20">
		<div class="flex justify-start">
			<div class="flex -space-x-4 mb-0.5" in:fade={{ duration: 200 }}>
				{#each models as model, modelIdx}
					<button
						on:click={() => {
							selectedModelIdx = modelIdx;
						}}
					>
						<Tooltip
							content={DOMPurify.sanitize(
								marked.parse(
									sanitizeResponseContent(
										models[selectedModelIdx]?.info?.meta
											?.description ?? "",
									).replaceAll("\n", "<br>"),
								),
							)}
							placement="right"
						>
							<img
								src={`${REXPRO_API_BASE_URL}/models/model/profile/image?id=${model?.id}&lang=${$i18n.language}`}
								class=" size-[2.7rem] rounded-xl border-[1px] border-gray-100 dark:border-none"
								alt="logo"
								draggable="false"
								on:error={(e) => {
									e.currentTarget.src = "/favicon.png";
								}}
							/>

						</Tooltip>
					</button>
				{/each}
			</div>
		</div>

		{#if $temporaryChatEnabled}
			<Tooltip
				content={$i18n.t(
					"This chat won't appear in history and your messages will not be saved.",
				)}
				className="w-full flex justify-start mb-0.5"
				placement="top"
			>
				<div
					class="flex items-center gap-2 text-gray-500 text-lg mt-2 w-fit"
				>
					<EyeSlash strokeWidth="2.5" className="size-5" />{$i18n.t(
						"Temporary Chat",
					)}
				</div>
			</Tooltip>
		{/if}

		<div
			class=" mt-2 mb-4 text-3xl text-gray-800 dark:text-gray-100 text-left flex items-center gap-4 font-primary"
		>
			<div>
				<div
					class=" capitalize line-clamp-1"
					in:fade={{ duration: 200 }}
				>
					{#if models[selectedModelIdx]?.name}
						{models[selectedModelIdx]?.name}
					{:else}
						{$i18n.t("Hello, {{name}}", { name: $user?.name })}
					{/if}
				</div>

				<div in:fade={{ duration: 200, delay: 200 }}>
					{#if models[selectedModelIdx]?.info?.meta?.description ?? null}
						<div
							class="mt-0.5 text-base font-normal text-gray-500 dark:text-gray-400 line-clamp-3 markdown"
						>
							{@html DOMPurify.sanitize(
								marked.parse(
									sanitizeResponseContent(
										models[selectedModelIdx]?.info?.meta
											?.description,
									).replaceAll("\n", "<br>"),
								),
							)}
						</div>
						{#if models[selectedModelIdx]?.info?.meta?.user}
							<div
								class="mt-0.5 text-sm font-normal text-gray-400 dark:text-gray-500"
							>
								By
								{#if models[selectedModelIdx]?.info?.meta?.user.community}
									<a
										href="https://rexpro-ai.rexpro.com/m/{models[
											selectedModelIdx
										]?.info?.meta?.user.username}"
										>{models[selectedModelIdx]?.info?.meta
											?.user.name
											? models[selectedModelIdx]?.info
													?.meta?.user.name
											: `@${models[selectedModelIdx]?.info?.meta?.user.username}`}</a
									>
								{:else}
									{models[selectedModelIdx]?.info?.meta?.user
										.name}
								{/if}
							</div>
						{/if}
					{:else}
						<div
							class=" text-gray-400 dark:text-gray-500 line-clamp-1 font-p"
						>
							{$i18n.t("How can I help you today?")}
						</div>
					{/if}
				</div>
			</div>
		</div>

		<div
			class=" w-full font-primary"
			in:fade={{ duration: 200, delay: 300 }}
		>
			<Suggestions
				className="grid grid-cols-2"
				suggestionPrompts={atSelectedModel?.info?.meta
					?.suggestion_prompts ??
					models[selectedModelIdx]?.info?.meta?.suggestion_prompts ??
					$config?.default_prompt_suggestions ??
					[]}
				{onSelect}
			/>
		</div>
	</div>
{/key}