<script lang="ts">
	import { deleteArtists } from '$gql/Mutations';
	import { artistsQuery, fetchArtist } from '$gql/Queries';
	import type { Artist } from '$gql/graphql';
	import { ArtistSortLabel } from '$lib/Enums';
	import { BasicFilterContext, initFilterContext } from '$lib/Filter';
	import { initPaginationContext } from '$lib/Pagination';
	import { initSelectionContext } from '$lib/Selection';
	import { initSortContext } from '$lib/Sort';
	import { toastFinally } from '$lib/Toasts';
	import AddButton from '$lib/components/AddButton.svelte';
	import Cardlet from '$lib/components/Cardlet.svelte';
	import Empty from '$lib/components/Empty.svelte';
	import Guard from '$lib/components/Guard.svelte';
	import Head from '$lib/components/Head.svelte';
	import Cardlets from '$lib/containers/Cardlets.svelte';
	import Column from '$lib/containers/Column.svelte';
	import AddArtist from '$lib/dialogs/AddArtist.svelte';
	import EditArtist from '$lib/dialogs/EditArtist.svelte';
	import Pagination from '$lib/pagination/Pagination.svelte';
	import Selectable from '$lib/selection/Selectable.svelte';
	import SelectionOverlay from '$lib/selection/SelectionOverlay.svelte';
	import DeleteSelection from '$lib/toolbar/DeleteSelection.svelte';
	import Search from '$lib/toolbar/Search.svelte';
	import SelectItems from '$lib/toolbar/SelectItems.svelte';
	import SelectSort from '$lib/toolbar/SelectSort.svelte';
	import SelectionControls from '$lib/toolbar/SelectionControls.svelte';
	import Toolbar from '$lib/toolbar/Toolbar.svelte';
	import { getContextClient } from '@urql/svelte';
	import { openModal } from 'svelte-modals';
	import type { PageData } from './$types';

	const client = getContextClient();
	export let data: PageData;

	$: result = artistsQuery(client, {
		pagination: data.pagination,
		filter: data.filter,
		sort: data.sort
	});

	$: artists = $result.data?.artists;

	const selection = initSelectionContext<Artist>('Artist', (a) => a.name);
	$: if (artists) {
		$selection.view = artists.edges;
		$pagination.total = artists.count;
	}

	const filter = initFilterContext<BasicFilterContext>();
	$: $filter = new BasicFilterContext(data.filter);

	const sort = initSortContext(data.sort, ArtistSortLabel);
	$: $sort.update = data.sort;

	const pagination = initPaginationContext();
	$: $pagination.update = data.pagination;

	const edit = (id: number) => {
		fetchArtist(client, id)
			.then((artist) => openModal(EditArtist, { artist }))
			.catch(toastFinally);
	};
</script>

<Head section="artists" />

<Column>
	<Toolbar>
		<SelectionControls slot="start">
			<DeleteSelection mutation={deleteArtists} />
		</SelectionControls>
		<svelte:fragment slot="center">
			<Search name="Artists" bind:field={$filter.include.controls.name.contains} />
			<SelectSort />
			<SelectItems />
		</svelte:fragment>
		<svelte:fragment slot="end">
			<AddButton title="Add Artist" on:click={() => openModal(AddArtist)} />
		</svelte:fragment>
	</Toolbar>
	{#if artists}
		<Pagination />
		<main>
			<Cardlets>
				{#each artists.edges as { id, name }, index (id)}
					<Selectable {index} {id} {edit} let:handle let:selected>
						<Cardlet {name} on:click={handle} filter="artists" {id}>
							<SelectionOverlay slot="overlay" position="right" centered {selected} />
						</Cardlet>
					</Selectable>
				{:else}
					<Empty />
				{/each}
			</Cardlets>
		</main>
		<Pagination />
	{:else}
		<Guard {result} />
	{/if}
</Column>
