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path: root/src/lib/Tools/ActivityHistory/Tool.svelte
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<script lang="ts">
	import {
		activityHistory,
		fillMissingDays,
		type ActivityHistoryEntry
	} from '$lib/AniList/activity';
	import { onMount } from 'svelte';
	import userIdentity from '$stores/userIdentity';
	import {
		userIdentity as getUserIdentity,
		type AniListAuthorisation
	} from '$lib/AniList/identity';
	import { clearAllParameters } from '../../Utility/parameters';
	import { domToBlob } from 'modern-screenshot';
	import ActivityHistoryGrid from './Grid.svelte';

	export let user: AniListAuthorisation;

	let activityHistoryData: Promise<ActivityHistoryEntry[]>;
	let currentUserIdentity = { name: '', id: -1 };
	let generated = false;

	onMount(async () => {
		clearAllParameters();

		if (user !== undefined) {
			if ($userIdentity === '') userIdentity.set(JSON.stringify(await getUserIdentity(user)));

			currentUserIdentity = JSON.parse($userIdentity);
			currentUserIdentity.name = currentUserIdentity.name;
			activityHistoryData = activityHistory(currentUserIdentity);
		}
	});

	// const incrementDate = (date: Date): Date => {
	// 	date.setDate(date.getDate() + 1);

	// 	return date;
	// };

	const screenshot = async () => {
		let element = document.querySelector('.grid') as HTMLElement;

		if (element !== null) {
			domToBlob(element, {
				quality: 1,
				scale: 2
			}).then((blob) => {
				const downloadWrapper = document.createElement('a');
				const image = document.createElement('img');
				const object = (window.URL || window.webkitURL || window || {}).createObjectURL(blob);

				downloadWrapper.href = object;
				downloadWrapper.target = '_blank';
				image.src = object;

				downloadWrapper.appendChild(image);

				const gridFinal = document.getElementById('grid-final');

				if (gridFinal !== null) {
					gridFinal.innerHTML = '';

					gridFinal.appendChild(downloadWrapper);

					generated = true;
				}

				downloadWrapper.click();
			});
		}
	};
</script>

{#if user === undefined}
	Please log in to view this page.
{:else}
	{#await activityHistoryData}
		Loading activity history ... 33%
	{:then activities}
		{#if activities === undefined}
			Loading activities ... 66%
		{:else}
			{@const filledActivities = fillMissingDays(activities)}

			<ActivityHistoryGrid {user} />

			<p />

			<div id="grid-final" />

			{#if generated}
				<p />
			{/if}

			<p><a href={'#'} on:click={screenshot}>Generate grid image</a></p>

			<details open>
				<summary>
					Days in risk of developing an activity history hole. (days with one activity)
				</summary>

				<ul>
					{#each filledActivities as activity}
						{#if activity.amount === 0}
							<li>
								{new Date(
									activity.date * 1000 + new Date().getTimezoneOffset() * 60 * 1000
								).toDateString()}
							</li>
						{/if}
					{/each}
				</ul>
			</details>
		{/if}
	{/await}
{/if}