<script lang="ts">
	import { getVersionUpdates } from '$lib/apis';
	import { getOllamaVersion } from '$lib/apis/ollama';
	import { WEBUI_BUILD_HASH, WEBUI_VERSION } from '$lib/constants';
	import { WEBUI_NAME, config, showChangelog } from '$lib/stores';
	import { compareVersion } from '$lib/utils';
	import { onMount, getContext } from 'svelte';

	import Tooltip from '$lib/components/common/Tooltip.svelte';

	const i18n = getContext('i18n');

	let ollamaVersion = '';

	let updateAvailable = null;
	let version = {
		current: '',
		latest: ''
	};

	const checkForVersionUpdates = async () => {
		updateAvailable = null;
		version = await getVersionUpdates(localStorage.token).catch((error) => {
			return {
				current: WEBUI_VERSION,
				latest: WEBUI_VERSION
			};
		});

		console.log(version);

		updateAvailable = compareVersion(version.latest, version.current);
		console.log(updateAvailable);
	};

	onMount(async () => {
		ollamaVersion = await getOllamaVersion(localStorage.token).catch((error) => {
			return '';
		});

		checkForVersionUpdates();
	});
</script>

<div class="flex flex-col h-full justify-between space-y-3 text-sm mb-6">
	<div class=" space-y-3 overflow-y-scroll max-h-[28rem] lg:max-h-full">
		<div>
			<div class=" mb-2.5 text-sm font-medium flex space-x-2 items-center">
				<div>
					{$WEBUI_NAME}
					{$i18n.t('Version')}
				</div>
			</div>
			<div class="flex w-full justify-between items-center">
				<div class="flex flex-col text-xs text-gray-700 dark:text-gray-200">
					<div class="flex gap-1">
						<Tooltip content={WEBUI_BUILD_HASH}>
							v{WEBUI_VERSION}
						</Tooltip>

						<a
							href="https://github.com/open-webui/open-webui/releases/tag/v{version.latest}"
							target="_blank"
						>
							{updateAvailable === null
								? $i18n.t('Checking for updates...')
								: updateAvailable
									? `(v${version.latest} ${$i18n.t('available!')})`
									: $i18n.t('(latest)')}
						</a>
					</div>

					<button
						class=" underline flex items-center space-x-1 text-xs text-gray-500 dark:text-gray-500"
						on:click={() => {
							showChangelog.set(true);
						}}
					>
						<div>{$i18n.t("See what's new")}</div>
					</button>
				</div>

				<button
					class=" text-xs px-3 py-1.5 bg-gray-100 hover:bg-gray-200 dark:bg-gray-850 dark:hover:bg-gray-800 transition rounded-lg font-medium"
					on:click={() => {
						checkForVersionUpdates();
					}}
				>
					{$i18n.t('Check for updates')}
				</button>
			</div>
		</div>

		{#if ollamaVersion}
			<hr class=" dark:border-gray-850" />

			<div>
				<div class=" mb-2.5 text-sm font-medium">{$i18n.t('Ollama Version')}</div>
				<div class="flex w-full">
					<div class="flex-1 text-xs text-gray-700 dark:text-gray-200">
						{ollamaVersion ?? 'N/A'}
					</div>
				</div>
			</div>
		{/if}

		<hr class=" dark:border-gray-850" />

		<div class="mt-2 text-xs text-gray-400 dark:text-gray-500">
			Emoji graphics provided by
			<a href="https://github.com/jdecked/twemoji" target="_blank">Twemoji</a>, licensed under
			<a href="https://creativecommons.org/licenses/by/4.0/" target="_blank">CC-BY 4.0</a>.
		</div>

		<div class="flex space-x-1">
			<a href="https://discord.gg/5rJgQTnV4s" target="_blank">
				<img
					alt="Discord"
					src="https://img.shields.io/badge/Discord-Open_WebUI-blue?logo=discord&logoColor=white"
				/>
			</a>

			<a href="https://twitter.com/OpenWebUI" target="_blank">
				<img
					alt="X (formerly Twitter) Follow"
					src="https://img.shields.io/twitter/follow/OpenWebUI"
				/>
			</a>

			<a href="https://github.com/open-webui/open-webui" target="_blank">
				<img
					alt="Github Repo"
					src="https://img.shields.io/github/stars/open-webui/open-webui?style=social&label=Star us on Github"
				/>
			</a>
		</div>

		<div>
			<pre
				class="text-xs text-gray-400 dark:text-gray-500">Copyright (c) {new Date().getFullYear()} <a
					href="https://openwebui.com"
					target="_blank"
					class="underline">Open WebUI (Timothy Jaeryang Baek)</a
				>
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
</pre>
		</div>

		<div class="mt-2 text-xs text-gray-400 dark:text-gray-500">
			{#if !$WEBUI_NAME.includes('Open WebUI')}
				<span class=" text-gray-500 dark:text-gray-300 font-medium">{$WEBUI_NAME}</span> -
			{/if}
			{$i18n.t('Created by')}
			<a
				class=" text-gray-500 dark:text-gray-300 font-medium"
				href="https://github.com/tjbck"
				target="_blank">Timothy J. Baek</a
			>
		</div>
	</div>
</div>
