<script lang="ts">
	import { toast } from 'svelte-sonner';
	import fileSaver from 'file-saver';
	const { saveAs } = fileSaver;

	import { WEBUI_NAME, functions, models } from '$lib/stores';
	import { onMount, getContext } from 'svelte';
	import { createNewPrompt, deletePromptByCommand, getPrompts } from '$lib/apis/prompts';

	import { goto } from '$app/navigation';
	import {
		createNewFunction,
		deleteFunctionById,
		exportFunctions,
		getFunctionById,
		getFunctions,
		toggleFunctionById
	} from '$lib/apis/functions';

	import ArrowDownTray from '../icons/ArrowDownTray.svelte';
	import Tooltip from '../common/Tooltip.svelte';
	import ConfirmDialog from '../common/ConfirmDialog.svelte';
	import { getModels } from '$lib/apis';
	import FunctionMenu from './Functions/FunctionMenu.svelte';
	import EllipsisHorizontal from '../icons/EllipsisHorizontal.svelte';
	import Switch from '../common/Switch.svelte';
	import ValvesModal from './ValvesModal.svelte';

	const i18n = getContext('i18n');

	let functionsImportInputElement: HTMLInputElement;
	let importFiles;

	let showConfirm = false;
	let query = '';

	let showValvesModal = false;
	let selectedFunction = null;

	const shareHandler = async (tool) => {
		console.log(tool);
	};

	const cloneHandler = async (func) => {
		const _function = await getFunctionById(localStorage.token, func.id).catch((error) => {
			toast.error(error);
			return null;
		});

		if (_function) {
			sessionStorage.function = JSON.stringify({
				..._function,
				id: `${_function.id}_clone`,
				name: `${_function.name} (Clone)`
			});
			goto('/workspace/functions/create');
		}
	};

	const exportHandler = async (func) => {
		const _function = await getFunctionById(localStorage.token, func.id).catch((error) => {
			toast.error(error);
			return null;
		});

		if (_function) {
			let blob = new Blob([JSON.stringify([_function])], {
				type: 'application/json'
			});
			saveAs(blob, `function-${_function.id}-export-${Date.now()}.json`);
		}
	};

	const deleteHandler = async (func) => {
		const res = await deleteFunctionById(localStorage.token, func.id).catch((error) => {
			toast.error(error);
			return null;
		});

		if (res) {
			toast.success('Function deleted successfully');

			functions.set(await getFunctions(localStorage.token));
			models.set(await getModels(localStorage.token));
		}
	};
</script>

<svelte:head>
	<title>
		{$i18n.t('Functions')} | {$WEBUI_NAME}
	</title>
</svelte:head>

<div class="mb-3 flex justify-between items-center">
	<div class=" text-lg font-semibold self-center">{$i18n.t('Functions')}</div>
</div>

<div class=" flex w-full space-x-2">
	<div class="flex flex-1">
		<div class=" self-center ml-1 mr-3">
			<svg
				xmlns="http://www.w3.org/2000/svg"
				viewBox="0 0 20 20"
				fill="currentColor"
				class="w-4 h-4"
			>
				<path
					fill-rule="evenodd"
					d="M9 3.5a5.5 5.5 0 100 11 5.5 5.5 0 000-11zM2 9a7 7 0 1112.452 4.391l3.328 3.329a.75.75 0 11-1.06 1.06l-3.329-3.328A7 7 0 012 9z"
					clip-rule="evenodd"
				/>
			</svg>
		</div>
		<input
			class=" w-full text-sm pr-4 py-1 rounded-r-xl outline-none bg-transparent"
			bind:value={query}
			placeholder={$i18n.t('Search Functions')}
		/>
	</div>

	<div>
		<a
			class=" px-2 py-2 rounded-xl border border-gray-200 dark:border-gray-600 dark:border-0 hover:bg-gray-100 dark:bg-gray-800 dark:hover:bg-gray-700 transition font-medium text-sm flex items-center space-x-1"
			href="/workspace/functions/create"
		>
			<svg
				xmlns="http://www.w3.org/2000/svg"
				viewBox="0 0 16 16"
				fill="currentColor"
				class="w-4 h-4"
			>
				<path
					d="M8.75 3.75a.75.75 0 0 0-1.5 0v3.5h-3.5a.75.75 0 0 0 0 1.5h3.5v3.5a.75.75 0 0 0 1.5 0v-3.5h3.5a.75.75 0 0 0 0-1.5h-3.5v-3.5Z"
				/>
			</svg>
		</a>
	</div>
</div>
<hr class=" dark:border-gray-850 my-2.5" />

<div class="my-3 mb-5">
	{#each $functions.filter((f) => query === '' || f.name
				.toLowerCase()
				.includes(query.toLowerCase()) || f.id.toLowerCase().includes(query.toLowerCase())) as func}
		<div
			class=" flex space-x-4 cursor-pointer w-full px-3 py-2 dark:hover:bg-white/5 hover:bg-black/5 rounded-xl"
		>
			<a
				class=" flex flex-1 space-x-3.5 cursor-pointer w-full"
				href={`/workspace/functions/edit?id=${encodeURIComponent(func.id)}`}
			>
				<div class="flex items-center text-left">
					<div class=" flex-1 self-center pl-1">
						<div class=" font-semibold flex items-center gap-1.5">
							<div
								class=" text-xs font-black px-1 rounded uppercase line-clamp-1 bg-gray-500/20 text-gray-700 dark:text-gray-200"
							>
								{func.type}
							</div>

							<div class=" line-clamp-1">
								{func.name}
							</div>
						</div>

						<div class="flex gap-1.5 px-1">
							<div class=" text-gray-500 text-xs font-medium flex-shrink-0">{func.id}</div>

							<div class=" text-xs overflow-hidden text-ellipsis line-clamp-1">
								{func.meta.description}
							</div>
						</div>
					</div>
				</div>
			</a>
			<div class="flex flex-row gap-0.5 self-center">
				<Tooltip content="Valves">
					<button
						class="self-center w-fit text-sm px-2 py-2 dark:text-gray-300 dark:hover:text-white hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
						type="button"
						on:click={() => {
							selectedFunction = func;
							showValvesModal = true;
						}}
					>
						<svg
							xmlns="http://www.w3.org/2000/svg"
							fill="none"
							viewBox="0 0 24 24"
							stroke-width="1.5"
							stroke="currentColor"
							class="size-4"
						>
							<path
								stroke-linecap="round"
								stroke-linejoin="round"
								d="M9.594 3.94c.09-.542.56-.94 1.11-.94h2.593c.55 0 1.02.398 1.11.94l.213 1.281c.063.374.313.686.645.87.074.04.147.083.22.127.325.196.72.257 1.075.124l1.217-.456a1.125 1.125 0 0 1 1.37.49l1.296 2.247a1.125 1.125 0 0 1-.26 1.431l-1.003.827c-.293.241-.438.613-.43.992a7.723 7.723 0 0 1 0 .255c-.008.378.137.75.43.991l1.004.827c.424.35.534.955.26 1.43l-1.298 2.247a1.125 1.125 0 0 1-1.369.491l-1.217-.456c-.355-.133-.75-.072-1.076.124a6.47 6.47 0 0 1-.22.128c-.331.183-.581.495-.644.869l-.213 1.281c-.09.543-.56.94-1.11.94h-2.594c-.55 0-1.019-.398-1.11-.94l-.213-1.281c-.062-.374-.312-.686-.644-.87a6.52 6.52 0 0 1-.22-.127c-.325-.196-.72-.257-1.076-.124l-1.217.456a1.125 1.125 0 0 1-1.369-.49l-1.297-2.247a1.125 1.125 0 0 1 .26-1.431l1.004-.827c.292-.24.437-.613.43-.991a6.932 6.932 0 0 1 0-.255c.007-.38-.138-.751-.43-.992l-1.004-.827a1.125 1.125 0 0 1-.26-1.43l1.297-2.247a1.125 1.125 0 0 1 1.37-.491l1.216.456c.356.133.751.072 1.076-.124.072-.044.146-.086.22-.128.332-.183.582-.495.644-.869l.214-1.28Z"
							/>
							<path
								stroke-linecap="round"
								stroke-linejoin="round"
								d="M15 12a3 3 0 1 1-6 0 3 3 0 0 1 6 0Z"
							/>
						</svg>
					</button>
				</Tooltip>

				<FunctionMenu
					editHandler={() => {
						goto(`/workspace/functions/edit?id=${encodeURIComponent(func.id)}`);
					}}
					shareHandler={() => {
						shareHandler(func);
					}}
					cloneHandler={() => {
						cloneHandler(func);
					}}
					exportHandler={() => {
						exportHandler(func);
					}}
					deleteHandler={async () => {
						deleteHandler(func);
					}}
					onClose={() => {}}
				>
					<button
						class="self-center w-fit text-sm p-1.5 dark:text-gray-300 dark:hover:text-white hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
						type="button"
					>
						<EllipsisHorizontal className="size-5" />
					</button>
				</FunctionMenu>

				<div class=" self-center mx-1">
					<Switch
						bind:state={func.is_active}
						on:change={async (e) => {
							toggleFunctionById(localStorage.token, func.id);
							models.set(await getModels(localStorage.token));
						}}
					/>
				</div>
			</div>
		</div>
	{/each}
</div>

<!-- <div class=" text-gray-500 text-xs mt-1 mb-2">
	ⓘ {$i18n.t(
		'Admins have access to all tools at all times; users need tools assigned per model in the workspace.'
	)}
</div> -->

<div class=" flex justify-end w-full mb-2">
	<div class="flex space-x-2">
		<input
			id="documents-import-input"
			bind:this={functionsImportInputElement}
			bind:files={importFiles}
			type="file"
			accept=".json"
			hidden
			on:change={() => {
				console.log(importFiles);
				showConfirm = true;
			}}
		/>

		<button
			class="flex text-xs items-center space-x-1 px-3 py-1.5 rounded-xl bg-gray-50 hover:bg-gray-100 dark:bg-gray-800 dark:hover:bg-gray-700 dark:text-gray-200 transition"
			on:click={() => {
				functionsImportInputElement.click();
			}}
		>
			<div class=" self-center mr-2 font-medium line-clamp-1">{$i18n.t('Import Functions')}</div>

			<div class=" self-center">
				<svg
					xmlns="http://www.w3.org/2000/svg"
					viewBox="0 0 16 16"
					fill="currentColor"
					class="w-4 h-4"
				>
					<path
						fill-rule="evenodd"
						d="M4 2a1.5 1.5 0 0 0-1.5 1.5v9A1.5 1.5 0 0 0 4 14h8a1.5 1.5 0 0 0 1.5-1.5V6.621a1.5 1.5 0 0 0-.44-1.06L9.94 2.439A1.5 1.5 0 0 0 8.878 2H4Zm4 9.5a.75.75 0 0 1-.75-.75V8.06l-.72.72a.75.75 0 0 1-1.06-1.06l2-2a.75.75 0 0 1 1.06 0l2 2a.75.75 0 1 1-1.06 1.06l-.72-.72v2.69a.75.75 0 0 1-.75.75Z"
						clip-rule="evenodd"
					/>
				</svg>
			</div>
		</button>

		<button
			class="flex text-xs items-center space-x-1 px-3 py-1.5 rounded-xl bg-gray-50 hover:bg-gray-100 dark:bg-gray-800 dark:hover:bg-gray-700 dark:text-gray-200 transition"
			on:click={async () => {
				const _functions = await exportFunctions(localStorage.token).catch((error) => {
					toast.error(error);
					return null;
				});

				if (_functions) {
					let blob = new Blob([JSON.stringify(_functions)], {
						type: 'application/json'
					});
					saveAs(blob, `functions-export-${Date.now()}.json`);
				}
			}}
		>
			<div class=" self-center mr-2 font-medium line-clamp-1">{$i18n.t('Export Functions')}</div>

			<div class=" self-center">
				<svg
					xmlns="http://www.w3.org/2000/svg"
					viewBox="0 0 16 16"
					fill="currentColor"
					class="w-4 h-4"
				>
					<path
						fill-rule="evenodd"
						d="M4 2a1.5 1.5 0 0 0-1.5 1.5v9A1.5 1.5 0 0 0 4 14h8a1.5 1.5 0 0 0 1.5-1.5V6.621a1.5 1.5 0 0 0-.44-1.06L9.94 2.439A1.5 1.5 0 0 0 8.878 2H4Zm4 3.5a.75.75 0 0 1 .75.75v2.69l.72-.72a.75.75 0 1 1 1.06 1.06l-2 2a.75.75 0 0 1-1.06 0l-2-2a.75.75 0 0 1 1.06-1.06l.72.72V6.25A.75.75 0 0 1 8 5.5Z"
						clip-rule="evenodd"
					/>
				</svg>
			</div>
		</button>
	</div>
</div>

<div class=" my-16">
	<div class=" text-lg font-semibold mb-3 line-clamp-1">
		{$i18n.t('Made by OpenWebUI Community')}
	</div>

	<a
		class=" flex space-x-4 cursor-pointer w-full mb-2 px-3 py-2"
		href="https://openwebui.com/"
		target="_blank"
	>
		<div class=" self-center w-10 flex-shrink-0">
			<div
				class="w-full h-10 flex justify-center rounded-full bg-transparent dark:bg-gray-700 border border-dashed border-gray-200"
			>
				<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" class="w-6">
					<path
						fill-rule="evenodd"
						d="M12 3.75a.75.75 0 01.75.75v6.75h6.75a.75.75 0 010 1.5h-6.75v6.75a.75.75 0 01-1.5 0v-6.75H4.5a.75.75 0 010-1.5h6.75V4.5a.75.75 0 01.75-.75z"
						clip-rule="evenodd"
					/>
				</svg>
			</div>
		</div>

		<div class=" self-center">
			<div class=" font-bold line-clamp-1">{$i18n.t('Discover a function')}</div>
			<div class=" text-sm line-clamp-1">
				{$i18n.t('Discover, download, and explore custom functions')}
			</div>
		</div>
	</a>
</div>

<ValvesModal bind:show={showValvesModal} type="function" id={selectedFunction?.id ?? null} />

<ConfirmDialog
	bind:show={showConfirm}
	on:confirm={() => {
		const reader = new FileReader();
		reader.onload = async (event) => {
			const _functions = JSON.parse(event.target.result);
			console.log(_functions);

			for (const func of _functions) {
				const res = await createNewFunction(localStorage.token, func).catch((error) => {
					toast.error(error);
					return null;
				});
			}

			toast.success('Functions imported successfully');
			functions.set(await getFunctions(localStorage.token));
			models.set(await getModels(localStorage.token));
		};

		reader.readAsText(importFiles[0]);
	}}
>
	<div class="text-sm text-gray-500">
		<div class=" bg-yellow-500/20 text-yellow-700 dark:text-yellow-200 rounded-lg px-4 py-3">
			<div>Please carefully review the following warnings:</div>

			<ul class=" mt-1 list-disc pl-4 text-xs">
				<li>Functions allow arbitrary code execution.</li>
				<li>Do not install functions from sources you do not fully trust.</li>
			</ul>
		</div>

		<div class="my-3">
			I acknowledge that I have read and I understand the implications of my action. I am aware of
			the risks associated with executing arbitrary code and I have verified the trustworthiness of
			the source.
		</div>
	</div>
</ConfirmDialog>
