import {
  Avatar,
  Badge,
  Button,
  Card,
  Grid,
  Icon,
  IconButton,
  Input,
  ItemBadge,
  Space,
  Tag,
} from '../../src'
import { Demo } from '../components/Demo'
import { Section } from '../components/Section'
import { DEMO_APPS, DEMO_COVER, DEMO_POSTERS } from '../data/demo'
import styles from './Composition.module.css'

/**
 * 组合示例：把基础组件拼成真实页面里的几块结构。
 *
 * 这一节不放新组件，只演示「怎么拼」——
 * 后期做新页面时，从这里复制结构再改数据即可。
 */
export function Composition() {
  return (
    <Section
      id="composition"
      title="组合示例"
      api="页面配方"
      desc="基础组件只提供外观与行为，页面结构靠组合。下面三块都是 Stash 控制台里真实存在的结构，可以直接当模板用。"
    >
      <Demo
        title="分区卡片（首页）"
        desc="Card 提供容器，标题栏由「色条 + 标题 + 角标 + 更多按钮」拼出来，内容区用 Grid 排应用行。角标压在标题右上角，靠绝对定位。"
        muted
        layout="column"
        code={`<Card>
  <header className={styles.sectionHead}>
    <Space gap="md">
      <span className={styles.bar} />
      <ItemBadge tone="sticky">置顶</ItemBadge>
      <span className={styles.titleWrap}>
        <span className={styles.title}>常用站点</span>
        <Badge count={18} className={styles.badge} />
      </span>
    </Space>
    <IconButton label="查看全部" icon={<Icon name="more_3_line" />} />
  </header>

  <Grid columns={4} gap="md">
    {apps.map((app) => (
      <a className={styles.appRow} key={app.id} href="#">
        <Avatar size="lg" fallback={app.icon} />
        <span className={styles.appInfo}>
          <span className={styles.appName}>{app.name}</span>
          <span className={styles.appDesc}>{app.desc}</span>
        </span>
      </a>
    ))}
  </Grid>
</Card>`}
      >
        <Card padding="lg">
          <header className={styles.sectionHead}>
            <div className={styles.headMain}>
              <span className={styles.bar} />
              <ItemBadge tone="sticky">置顶</ItemBadge>
              <span className={styles.titleWrap}>
                <span className={styles.title}>常用站点</span>
                <Badge count={18} className={styles.badge} />
              </span>
            </div>
            <IconButton label="查看全部" icon={<Icon name="more_3_line" />} />
          </header>

          <Grid columns={4} gap="md">
            {DEMO_APPS.slice(0, 4).map((app) => (
              <a
                className={styles.appRow}
                key={app.id}
                href="#composition"
                onClick={(event) => event.preventDefault()}
              >
                <Avatar size="lg" fallback={app.icon} />
                <span className={styles.appInfo}>
                  <span className={styles.appName}>{app.name}</span>
                  <span className={styles.appDesc}>{app.desc}</span>
                </span>
              </a>
            ))}
          </Grid>
        </Card>
      </Demo>

      <Demo
        title="筛选工具条"
        desc="搜索框 + 条件标签 + 操作按钮：左侧输入，右侧动作，中间用 Space 的 justify=between 撑开。"
        muted
        layout="column"
        code={`<Card padding="sm">
  <Space justify="between" wrap>
    <Space gap="sm">
      <Input icon="search_3_line" placeholder="筛选项目…" />
      <Tag tone="neutral">全部 42</Tag>
    </Space>
    <Space gap="sm">
      <Button variant="ghost" size="sm">重置</Button>
      <Button size="sm">应用</Button>
    </Space>
  </Space>
</Card>`}
      >
        <Card padding="sm">
          <Space justify="between" wrap>
            <Space gap="sm">
              <Input icon="search_3_line" placeholder="筛选项目…" style={{ width: 220 }} />
              <Tag tone="neutral">全部 42</Tag>
            </Space>
            <Space gap="sm">
              <Button variant="ghost" size="sm">
                重置
              </Button>
              <Button size="sm">应用</Button>
            </Space>
          </Space>
        </Card>
      </Demo>

      <Demo
        title="海报卡（图文列表）"
        desc="Card padding=none 承载贴边封面，图片用 aspect-ratio 固定比例，避免加载前后跳动；标题与标签放卡片底部。"
        muted
        layout="column"
        code={`<Grid columns={4} gap="md">
  {posters.map((poster) => (
    <Card padding="none" className={styles.posterCard} key={poster.id}>
      <span className={styles.posterCover}>
        <img src={cover} alt="" />
      </span>
      <span className={styles.posterBody}>
        <span className={styles.posterTitle}>{poster.title}</span>
        <Tag shape="pill" tone="neutral">{poster.tag}</Tag>
      </span>
    </Card>
  ))}
</Grid>`}
      >
        <Grid columns={4} gap="md">
          {DEMO_POSTERS.map((poster) => (
            <Card padding="none" className={styles.posterCard} key={poster.id}>
              <span className={styles.posterCover}>
                <img src={DEMO_COVER} alt="" />
              </span>
              <span className={styles.posterBody}>
                <span className={styles.posterTitle}>{poster.title}</span>
                <Tag shape="pill" tone="neutral">
                  {poster.tag}
                </Tag>
              </span>
            </Card>
          ))}
        </Grid>
      </Demo>
    </Section>
  )
}