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<script lang="ts">
import Status from '../components/Status.svelte';
import DatasetCard from '../components/DatasetCard.svelte';
import DatasetWizard from '../components/DatasetWizard.svelte';
import { listDatasets } from '../lib/client';
import { extractStatusMessage } from '../lib/state';
import type { Dataset } from '../lib/types';
import { Button } from '$lib/components/ui/button';
interface Props {
projectId?: string;
showWizard?: boolean;
}
let { projectId: _projectId, showWizard = false }: Props = $props();
let items: Dataset[] = $state([]);
let busy = $state(true);
let error: string | null = $state(null);
// svelte-ignore state_referenced_locally
let wizardOpen = $state(showWizard);
let refreshTimer: ReturnType<typeof setInterval> | null = null;
$effect(() => {
void load();
return () => {
if (refreshTimer) clearInterval(refreshTimer);
refreshTimer = null;
};
});
async function load() {
error = null;
try {
const { items: got } = await listDatasets();
items = got;
const active = got.some((d) => d.status === 'pending' || d.status === 'running');
if (active && !refreshTimer) {
refreshTimer = setInterval(async () => {
try {
const { items: fresh } = await listDatasets();
items = fresh;
const still = fresh.some((d) => d.status === 'pending' || d.status === 'running');
if (!still && refreshTimer) {
clearInterval(refreshTimer);
refreshTimer = null;
}
} catch {
/* transient error, keep polling */
}
}, 2000);
}
} catch (e) {
error = extractStatusMessage(e);
} finally {
busy = false;
}
}
</script>
<div class="flex flex-col gap-4 md:gap-6">
{#if wizardOpen}
<DatasetWizard onCreated={() => void load()} />
<Button variant="ghost" class="w-fit" onclick={() => (wizardOpen = false)}>收起新建面板</Button>
{:else}
<Button class="w-fit" onclick={() => (wizardOpen = true)}>接入数据</Button>
{/if}
<h2 class="text-lg font-semibold m-0">我的数据集</h2>
{#if busy}
<Status busy={false} busyText="加载数据集列表…" skeletonRows={3} empty={null} />
{:else if error}
<Status busy={false} {error} empty={null}>
{#snippet errorCta()}
<Button onclick={load}>重新加载</Button>
{/snippet}
</Status>
{:else if items.length === 0}
<Status
busy={false}
empty="还没有数据集"
emptyHint="选择标的、日期范围与复权方式，提交后异步获取并给出覆盖预览"
/>
{:else}
{#each items as ds (ds.id)}
<DatasetCard dsId={ds.id} onRecreated={() => void load()} />
{/each}
{/if}
</div>
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