<script>
	import { toast } from 'svelte-sonner';

	import { goto } from '$app/navigation';
	import { prompts } from '$lib/stores';
	import { onMount, tick, getContext } from 'svelte';

	const i18n = getContext('i18n');

	import { getPrompts, updatePromptByCommand } from '$lib/apis/prompts';
	import { page } from '$app/stores';

	let loading = false;

	// ///////////
	// Prompt
	// ///////////

	let title = '';
	let command = '';
	let content = '';

	const updateHandler = async () => {
		loading = true;

		if (validateCommandString(command)) {
			const prompt = await updatePromptByCommand(localStorage.token, command, title, content).catch(
				(error) => {
					toast.error(error);
					return null;
				}
			);

			if (prompt) {
				await prompts.set(await getPrompts(localStorage.token));
				await goto('/workspace/prompts');
			}
		} else {
			toast.error(
				$i18n.t('Only alphanumeric characters and hyphens are allowed in the command string.')
			);
		}

		loading = false;
	};

	const validateCommandString = (inputString) => {
		// Regular expression to match only alphanumeric characters and hyphen
		const regex = /^[a-zA-Z0-9-]+$/;

		// Test the input string against the regular expression
		return regex.test(inputString);
	};

	onMount(async () => {
		command = $page.url.searchParams.get('command');
		if (command) {
			const prompt = $prompts.filter((prompt) => prompt.command === command).at(0);

			if (prompt) {
				console.log(prompt);

				console.log(prompt.command);

				title = prompt.title;
				await tick();
				command = prompt.command.slice(1);
				content = prompt.content;
			} else {
				goto('/workspace/prompts');
			}
		} else {
			goto('/workspace/prompts');
		}
	});
</script>

<div class="w-full max-h-full">
	<button
		class="flex space-x-1"
		on:click={() => {
			history.back();
		}}
	>
		<div class=" self-center">
			<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="M17 10a.75.75 0 01-.75.75H5.612l4.158 3.96a.75.75 0 11-1.04 1.08l-5.5-5.25a.75.75 0 010-1.08l5.5-5.25a.75.75 0 111.04 1.08L5.612 9.25H16.25A.75.75 0 0117 10z"
					clip-rule="evenodd"
				/>
			</svg>
		</div>
		<div class=" self-center font-medium text-sm">{$i18n.t('Back')}</div>
	</button>

	<form
		class="flex flex-col max-w-2xl mx-auto mt-4 mb-10"
		on:submit|preventDefault={() => {
			updateHandler();
		}}
	>
		<div class="my-2">
			<div class=" text-sm font-semibold mb-2">{$i18n.t('Title')}*</div>

			<div>
				<input
					class="px-3 py-1.5 text-sm w-full bg-transparent border dark:border-gray-600 outline-none rounded-lg"
					placeholder={$i18n.t('Add a short title for this prompt')}
					bind:value={title}
					required
				/>
			</div>
		</div>

		<div class="my-2">
			<div class=" text-sm font-semibold mb-2">{$i18n.t('Command')}*</div>

			<div class="flex items-center mb-1">
				<div
					class="bg-gray-200 dark:bg-gray-600 font-semibold px-3 py-1 border border-r-0 dark:border-gray-600 rounded-l-lg"
				>
					/
				</div>
				<input
					class="px-3 py-1.5 text-sm w-full bg-transparent border disabled:text-gray-500 dark:border-gray-600 outline-none rounded-r-lg"
					placeholder="short-summary"
					bind:value={command}
					disabled
					required
				/>
			</div>

			<div class="text-xs text-gray-400 dark:text-gray-500">
				{$i18n.t('Only')}
				<span class=" text-gray-600 dark:text-gray-300 font-medium"
					>{$i18n.t('alphanumeric characters and hyphens')}</span
				>
				{$i18n.t('are allowed - Activate this command by typing')}&nbsp;"<span
					class=" text-gray-600 dark:text-gray-300 font-medium"
				>
					/{command}
				</span>" &nbsp;
				{$i18n.t('to chat input.')}
			</div>
		</div>

		<div class="my-2">
			<div class="flex w-full justify-between">
				<div class=" self-center text-sm font-semibold">{$i18n.t('Prompt Content')}*</div>
			</div>

			<div class="mt-2">
				<div>
					<textarea
						class="px-3 py-1.5 text-sm w-full bg-transparent border dark:border-gray-600 outline-none rounded-lg"
						placeholder={$i18n.t(`Write a summary in 50 words that summarizes [topic or keyword].`)}
						rows="6"
						bind:value={content}
						required
					/>
				</div>

				<div class="text-xs text-gray-400 dark:text-gray-500">
					ⓘ {$i18n.t('Format your variables using square brackets like this:')}&nbsp;<span
						class=" text-gray-600 dark:text-gray-300 font-medium">[{$i18n.t('variable')}]</span
					>.
					{$i18n.t('Make sure to enclose them with')}
					<span class=" text-gray-600 dark:text-gray-300 font-medium">'['</span>
					{$i18n.t('and')}
					<span class=" text-gray-600 dark:text-gray-300 font-medium">']'</span>.
				</div>

				<div class="text-xs text-gray-400 dark:text-gray-500">
					{$i18n.t('Utilize')}<span class=" text-gray-600 dark:text-gray-300 font-medium">
						{` {{CLIPBOARD}}`}</span
					>
					{$i18n.t('variable to have them replaced with clipboard content.')}
				</div>
			</div>
		</div>

		<div class="my-2 flex justify-end">
			<button
				class=" text-sm px-3 py-2 transition rounded-xl {loading
					? ' cursor-not-allowed bg-gray-100 dark:bg-gray-800'
					: ' bg-gray-50 hover:bg-gray-100 dark:bg-gray-700 dark:hover:bg-gray-800'} flex"
				type="submit"
				disabled={loading}
			>
				<div class=" self-center font-medium">{$i18n.t('Save & Update')}</div>

				{#if loading}
					<div class="ml-1.5 self-center">
						<svg
							class=" w-4 h-4"
							viewBox="0 0 24 24"
							fill="currentColor"
							xmlns="http://www.w3.org/2000/svg"
							><style>
								.spinner_ajPY {
									transform-origin: center;
									animation: spinner_AtaB 0.75s infinite linear;
								}
								@keyframes spinner_AtaB {
									100% {
										transform: rotate(360deg);
									}
								}
							</style><path
								d="M12,1A11,11,0,1,0,23,12,11,11,0,0,0,12,1Zm0,19a8,8,0,1,1,8-8A8,8,0,0,1,12,20Z"
								opacity=".25"
							/><path
								d="M10.14,1.16a11,11,0,0,0-9,8.92A1.59,1.59,0,0,0,2.46,12,1.52,1.52,0,0,0,4.11,10.7a8,8,0,0,1,6.66-6.61A1.42,1.42,0,0,0,12,2.69h0A1.57,1.57,0,0,0,10.14,1.16Z"
								class="spinner_ajPY"
							/></svg
						>
					</div>
				{/if}
			</button>
		</div>
	</form>
</div>
