import { useState } from 'react';
import { Col, Divider, Input, Row, Tag, Typography } from 'antd';
import { ProductDetail } from '@/services/product';
import CopyPanel from './CopyPanel';

const { Text } = Typography;

interface Props {
    product: ProductDetail;
    onSave: (p: Partial<ProductDetail>) => Promise<void> | void;
}

/** 产品属性：采集参数只读展示 / 条形码 / 品牌 / 简介 / AI 文案 */
export default function ProductAttributesPanel({ product, onSave }: Props) {
    const raw = (product.raw ?? {}) as Record<string, unknown>;
    const params = raw.params as Array<{ key: string; value: string }> | undefined;

    const [descExpanded, setDescExpanded] = useState(false);

    const updateRaw = (patch: Record<string, unknown>) => {
        onSave({ raw: { ...raw, ...patch } });
    };

    const sellingPoints = typeof raw.sellingPoints === 'string' ? raw.sellingPoints : '';
    const desc = typeof raw.desc === 'string' ? raw.desc : '';

    return (
        <div>
            {/* 基础字段：品牌 + 条形码 */}
            <Row gutter={16} style={{ marginBottom: 12 }}>
                <Col span={8}>
                    <Text style={{ fontSize: 12, color: '#666', display: 'block', marginBottom: 4 }}>
                        品牌（Brand）
                    </Text>
                    <Input
                        value={(raw.brand as string) ?? ''}
                        onChange={(e) => updateRaw({ brand: e.target.value })}
                        placeholder="采集到的品牌名"
                    />
                </Col>
                <Col span={8}>
                    <Text style={{ fontSize: 12, color: '#666', display: 'block', marginBottom: 4 }}>
                        条形码（Barcode）
                    </Text>
                    <Input
                        value={product.barcode ?? ''}
                        onChange={(e) => onSave({ barcode: e.target.value })}
                        placeholder="EAN / UPC / 留空"
                    />
                </Col>
                <Col span={8}>
                    <Text style={{ fontSize: 12, color: '#666', display: 'block', marginBottom: 4 }}>
                        主题标签（内部备注）
                    </Text>
                    <Input
                        value={(raw.tags as string) ?? ''}
                        onChange={(e) => updateRaw({ tags: e.target.value })}
                        placeholder="逗号分隔，内部用"
                    />
                </Col>
            </Row>

            {/* 俄文简介（来自 AI 生成或手动） */}
            <div style={{ marginBottom: 12 }}>
                <Text style={{ fontSize: 12, color: '#666', display: 'block', marginBottom: 4 }}>
                    俄文简介（description）
                </Text>
                <Input.TextArea
                    autoSize={{ minRows: 3, maxRows: 8 }}
                    value={product.description ?? ''}
                    onChange={(e) => onSave({ description: e.target.value })}
                    placeholder="Описание товара на русском — можно сгенерировать через AI ниже"
                />
            </div>

            {/* 采集参数展示（只读，参考用） */}
            {Array.isArray(params) && params.length > 0 && (
                <div style={{ marginBottom: 12, padding: '12px 16px', background: '#fafafa', borderRadius: 8 }}>
                    <div style={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between', marginBottom: 8 }}>
                        <Text style={{ fontSize: 12, color: '#666', fontWeight: 500 }}>
                            采集参数（{params.length} 项，只读参考）
                        </Text>
                        {params.length > 8 && (
                            <a style={{ fontSize: 12 }} onClick={() => setDescExpanded(!descExpanded)}>
                                {descExpanded ? '收起' : `展开全部 ${params.length} 项`}
                            </a>
                        )}
                    </div>
                    <Row gutter={[8, 4]}>
                        {(descExpanded ? params : params.slice(0, 8)).map((p, i) => (
                            <Col key={i} span={12}>
                                <div style={{ display: 'flex', gap: 6, alignItems: 'baseline' }}>
                                    <Tag
                                        style={{
                                            fontSize: 11,
                                            maxWidth: 120,
                                            overflow: 'hidden',
                                            textOverflow: 'ellipsis',
                                            whiteSpace: 'nowrap',
                                            flexShrink: 0,
                                        }}
                                    >
                                        {p.key}
                                    </Tag>
                                    <Text style={{ fontSize: 12 }} ellipsis={{ tooltip: p.value }}>
                                        {p.value}
                                    </Text>
                                </div>
                            </Col>
                        ))}
                    </Row>
                    {!descExpanded && params.length > 8 && (
                        <Text type="secondary" style={{ fontSize: 11, marginTop: 4, display: 'block' }}>
                            还有 {params.length - 8} 项未显示
                        </Text>
                    )}
                </div>
            )}

            {/* 采集卖点 / 描述（只读参考） */}
            {(sellingPoints || desc) && (
                <div style={{ marginBottom: 12, padding: '12px 16px', background: '#fafafa', borderRadius: 8 }}>
                    {sellingPoints && (
                        <>
                            <Text style={{ fontSize: 12, color: '#666', fontWeight: 500, display: 'block', marginBottom: 4 }}>
                                采集卖点（参考）
                            </Text>
                            <Text style={{ fontSize: 12, whiteSpace: 'pre-wrap' }}>
                                {sellingPoints}
                            </Text>
                        </>
                    )}
                    {desc && (
                        <>
                            <Text
                                style={{
                                    fontSize: 12,
                                    color: '#666',
                                    fontWeight: 500,
                                    display: 'block',
                                    marginTop: sellingPoints ? 8 : 0,
                                    marginBottom: 4,
                                }}
                            >
                                采集描述（参考）
                            </Text>
                            <Text style={{ fontSize: 12, whiteSpace: 'pre-wrap' }}>
                                {desc.slice(0, 300)}
                                {desc.length > 300 && '…'}
                            </Text>
                        </>
                    )}
                </div>
            )}

            <Divider style={{ margin: '16px 0' }} />

            <CopyPanel product={product} onSave={onSave} />
        </div>
    );
}