import { useEffect, useState } from 'react';
import { useParams } from 'react-router-dom';
import { Alert, Card, Collapse, Descriptions, Spin, Table, Tag, Typography } from 'antd';
import type { CollectionItemInspection } from '@atlas/contracts';
import { collectionApi } from '@/services/collection';
import { apiErrorMessage } from '@/services/api';

/** Temporary parser inspection surface. This is deliberately read-only: it lets
 * product and parser work be checked before these values become editor fields. */
export default function CollectionInspectionPage() {
    const { id } = useParams<{ id: string }>();
    const [record, setRecord] = useState<CollectionItemInspection>();
    const [error, setError] = useState<string>();
    useEffect(() => { if (!id) return; void collectionApi.inspection(id).then(setRecord).catch((reason) => setError(apiErrorMessage(reason))); }, [id]);
    if (error) return <Alert type="error" message="无法读取采集数据" description={error} showIcon />;
    if (!record) return <div style={{ padding: 64, textAlign: 'center' }}><Spin size="large" /></div>;
    return <Card title="采集数据测试页" extra={<Tag color="blue">只读测试</Tag>}>
        <Alert type="info" showIcon style={{ marginBottom: 16 }} message="这里展示扩展实际提交、服务端实际保存的数据，不代表已确认的商品编辑字段。" />
        <Descriptions bordered size="small" column={2} items={[
            { key: 'title', label: '商品标题', children: record.title ?? '未命名' },
            { key: 'source', label: '采集来源', children: `${record.source.platform_code ?? '手动'} · ${record.source.url ?? '—'}` },
            { key: 'status', label: '采集状态', children: record.collection_status },
            { key: 'parser', label: '解析器版本', children: record.parser_version ?? '—' },
            { key: 'sku', label: '已创建 SKU', children: record.variants.length },
            { key: 'assets', label: '素材任务', children: record.asset_transfers.length },
        ]} />
        <Typography.Title level={5} style={{ marginTop: 24 }}>SKU 草稿</Typography.Title>
        <Table size="small" pagination={false} rowKey="id" dataSource={record.variants} columns={[
            { title: '来源 SKU ID', dataIndex: 'source_variant_key', render: (value) => value ?? '默认 SKU（待确认）' },
            { title: '来源货号', dataIndex: 'source_sku', render: (value) => value ?? '—' },
            { title: '名称', dataIndex: 'display_name', render: (value) => value ?? '—' },
        ]} />
        <Typography.Title level={5} style={{ marginTop: 24 }}>素材转存任务</Typography.Title>
        <Table size="small" pagination={false} rowKey="id" dataSource={record.asset_transfers} columns={[
            { title: '类型', dataIndex: 'role' }, { title: '状态', dataIndex: 'status' },
            { title: '来源 URL', dataIndex: 'source_url', ellipsis: true, render: (value) => <Typography.Link href={value} target="_blank">查看来源</Typography.Link> },
            { title: '错误', dataIndex: 'error_payload', render: (value) => value ? <Typography.Text type="danger">{JSON.stringify(value)}</Typography.Text> : '—' },
        ]} />
        <Collapse style={{ marginTop: 24 }} items={[
            { key: 'normalized', label: '规范化采集载荷（normalized_payload）', children: <Json value={record.normalized_payload} /> },
            { key: 'evidence', label: '原始证据（raw_evidence）', children: <Json value={record.raw_evidence} /> },
        ]} />
    </Card>;
}
function Json({ value }: { value: unknown }) { return <pre style={{ margin: 0, overflow: 'auto', whiteSpace: 'pre-wrap', wordBreak: 'break-word', fontSize: 12 }}>{JSON.stringify(value, null, 2)}</pre>; }