<script lang="ts">
	import { DropdownMenu } from 'bits-ui';
	import { getContext } from 'svelte';

	import fileSaver from 'file-saver';
	const { saveAs } = fileSaver;

	import { showSettings } from '$lib/stores';
	import { flyAndScale } from '$lib/utils/transitions';

	import Dropdown from '$lib/components/common/Dropdown.svelte';
	import Tags from '$lib/components/chat/Tags.svelte';

	import { downloadChatAsPDF } from '$lib/apis/utils';

	const i18n = getContext('i18n');

	export let shareEnabled: boolean = false;
	export let shareHandler: Function;
	export let downloadHandler: Function;

	// export let tagHandler: Function;

	export let chat;
	export let onClose: Function = () => {};

	const downloadTxt = async () => {
		const _chat = chat.chat;
		console.log('download', chat);

		const chatText = _chat.messages.reduce((a, message, i, arr) => {
			return `${a}### ${message.role.toUpperCase()}\n${message.content}\n\n`;
		}, '');

		let blob = new Blob([chatText], {
			type: 'text/plain'
		});

		saveAs(blob, `chat-${_chat.title}.txt`);
	};

	const downloadPdf = async () => {
		const _chat = chat.chat;
		console.log('download', chat);

		const blob = await downloadChatAsPDF(_chat);

		// Create a URL for the blob
		const url = window.URL.createObjectURL(blob);

		// Create a link element to trigger the download
		const a = document.createElement('a');
		a.href = url;
		a.download = `chat-${_chat.title}.pdf`;

		// Append the link to the body and click it programmatically
		document.body.appendChild(a);
		a.click();

		// Remove the link from the body
		document.body.removeChild(a);

		// Revoke the URL to release memory
		window.URL.revokeObjectURL(url);
	};

	const downloadJSONExport = async () => {
		let blob = new Blob([JSON.stringify([chat])], {
			type: 'application/json'
		});
		saveAs(blob, `chat-export-${Date.now()}.json`);
	};
</script>

<Dropdown
	on:change={(e) => {
		if (e.detail === false) {
			onClose();
		}
	}}
>
	<slot />

	<div slot="content">
		<DropdownMenu.Content
			class="w-full max-w-[200px] rounded-xl px-1 py-1.5 border border-gray-300/30 dark:border-gray-700/50 z-50 bg-white dark:bg-gray-850 dark:text-white shadow-lg"
			sideOffset={8}
			side="bottom"
			align="end"
			transition={flyAndScale}
		>
			<!-- <DropdownMenu.Item
				class="flex gap-2 items-center px-3 py-2 text-sm  cursor-pointer dark:hover:bg-gray-800 rounded-md"
				on:click={async () => {
					await showSettings.set(!$showSettings);
				}}
			>
				<svg
					xmlns="http://www.w3.org/2000/svg"
					fill="none"
					viewBox="0 0 24 24"
					stroke-width="1.5"
					stroke="currentColor"
					class="size-4"
				>
					<path
						stroke-linecap="round"
						stroke-linejoin="round"
						d="M9.594 3.94c.09-.542.56-.94 1.11-.94h2.593c.55 0 1.02.398 1.11.94l.213 1.281c.063.374.313.686.645.87.074.04.147.083.22.127.325.196.72.257 1.075.124l1.217-.456a1.125 1.125 0 0 1 1.37.49l1.296 2.247a1.125 1.125 0 0 1-.26 1.431l-1.003.827c-.293.241-.438.613-.43.992a7.723 7.723 0 0 1 0 .255c-.008.378.137.75.43.991l1.004.827c.424.35.534.955.26 1.43l-1.298 2.247a1.125 1.125 0 0 1-1.369.491l-1.217-.456c-.355-.133-.75-.072-1.076.124a6.47 6.47 0 0 1-.22.128c-.331.183-.581.495-.644.869l-.213 1.281c-.09.543-.56.94-1.11.94h-2.594c-.55 0-1.019-.398-1.11-.94l-.213-1.281c-.062-.374-.312-.686-.644-.87a6.52 6.52 0 0 1-.22-.127c-.325-.196-.72-.257-1.076-.124l-1.217.456a1.125 1.125 0 0 1-1.369-.49l-1.297-2.247a1.125 1.125 0 0 1 .26-1.431l1.004-.827c.292-.24.437-.613.43-.991a6.932 6.932 0 0 1 0-.255c.007-.38-.138-.751-.43-.992l-1.004-.827a1.125 1.125 0 0 1-.26-1.43l1.297-2.247a1.125 1.125 0 0 1 1.37-.491l1.216.456c.356.133.751.072 1.076-.124.072-.044.146-.086.22-.128.332-.183.582-.495.644-.869l.214-1.28Z"
					/>
					<path
						stroke-linecap="round"
						stroke-linejoin="round"
						d="M15 12a3 3 0 1 1-6 0 3 3 0 0 1 6 0Z"
					/>
				</svg>
				<div class="flex items-center">{$i18n.t('Settings')}</div>
			</DropdownMenu.Item> -->

			<DropdownMenu.Item
				class="flex gap-2 items-center px-3 py-2 text-sm  cursor-pointer hover:bg-gray-50 dark:hover:bg-gray-800 rounded-md"
				id="chat-share-button"
				on:click={() => {
					shareHandler();
				}}
			>
				<svg
					xmlns="http://www.w3.org/2000/svg"
					viewBox="0 0 24 24"
					fill="currentColor"
					class="size-4"
				>
					<path
						fill-rule="evenodd"
						d="M15.75 4.5a3 3 0 1 1 .825 2.066l-8.421 4.679a3.002 3.002 0 0 1 0 1.51l8.421 4.679a3 3 0 1 1-.729 1.31l-8.421-4.678a3 3 0 1 1 0-4.132l8.421-4.679a3 3 0 0 1-.096-.755Z"
						clip-rule="evenodd"
					/>
				</svg>
				<div class="flex items-center">{$i18n.t('Share')}</div>
			</DropdownMenu.Item>

			<!-- <DropdownMenu.Item
					class="flex gap-2 items-center px-3 py-2 text-sm  font-medium cursor-pointer"
					on:click={() => {
						downloadHandler();
					}}
				/> -->
			<DropdownMenu.Sub>
				<DropdownMenu.SubTrigger
					class="flex gap-2 items-center px-3 py-2 text-sm  cursor-pointer hover:bg-gray-50 dark:hover:bg-gray-800 rounded-md"
				>
					<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="M3 16.5v2.25A2.25 2.25 0 0 0 5.25 21h13.5A2.25 2.25 0 0 0 21 18.75V16.5M16.5 12 12 16.5m0 0L7.5 12m4.5 4.5V3"
						/>
					</svg>

					<div class="flex items-center">{$i18n.t('Download')}</div>
				</DropdownMenu.SubTrigger>
				<DropdownMenu.SubContent
					class="w-full rounded-lg px-1 py-1.5 border border-gray-300/30 dark:border-gray-700/50 z-50 bg-white dark:bg-gray-850 dark:text-white shadow-lg"
					transition={flyAndScale}
					sideOffset={8}
				>
					<DropdownMenu.Item
						class="flex gap-2 items-center px-3 py-2 text-sm  cursor-pointer hover:bg-gray-50 dark:hover:bg-gray-800 rounded-md"
						on:click={() => {
							downloadJSONExport();
						}}
					>
						<div class="flex items-center line-clamp-1">{$i18n.t('Export chat (.json)')}</div>
					</DropdownMenu.Item>
					<DropdownMenu.Item
						class="flex gap-2 items-center px-3 py-2 text-sm  cursor-pointer hover:bg-gray-50 dark:hover:bg-gray-800 rounded-md"
						on:click={() => {
							downloadTxt();
						}}
					>
						<div class="flex items-center line-clamp-1">{$i18n.t('Plain text (.txt)')}</div>
					</DropdownMenu.Item>

					<DropdownMenu.Item
						class="flex gap-2 items-center px-3 py-2 text-sm  cursor-pointer hover:bg-gray-50 dark:hover:bg-gray-800 rounded-md"
						on:click={() => {
							downloadPdf();
						}}
					>
						<div class="flex items-center line-clamp-1">{$i18n.t('PDF document (.pdf)')}</div>
					</DropdownMenu.Item>
				</DropdownMenu.SubContent>
			</DropdownMenu.Sub>

			<hr class="border-gray-100 dark:border-gray-800 mt-2.5 mb-1.5" />

			<div class="flex p-1">
				<Tags chatId={chat.id} />
			</div>
		</DropdownMenu.Content>
	</div>
</Dropdown>
