"""Render canonical Markdown into a self-contained pakco Webpage adaptation."""
from pathlib import Path
import html
import re
import markdown

ROOT = Path(__file__).parent
STYLE = """
:root{--bg:#f4f4ef;--surface:#fff;--surface-2:#e9eee7;--text-1:#23342e;--text-2:#54675e;--accent:#256b52;--border:#dce3dc;--radius:18px;--font-sans:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:85px}body{margin:0;background:var(--bg);color:var(--text-1);font:16px/1.9 var(--font-sans)}a{color:var(--accent);text-underline-offset:4px;overflow-wrap:anywhere}a:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.topbar{display:flex;justify-content:space-between;gap:20px;padding:18px 5vw;border-bottom:1px solid var(--border);font-size:13px;background:var(--surface)}.topbar span{color:var(--text-2)}.page{max-width:1140px;margin:auto;padding:0 32px 60px}.hero{padding:65px 0 45px}.kicker{font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--accent)}h1{font-size:clamp(30px,4vw,50px);line-height:1.35;letter-spacing:-.03em;max-width:900px;margin:18px 0 28px}.lede{font-size:18px;color:var(--text-2);max-width:800px}.nav{display:flex;gap:10px;flex-wrap:wrap}.nav a{padding:9px 16px;border:1px solid var(--border);border-radius:25px;background:var(--surface);font-size:13px;text-decoration:none}.flow{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin:0 0 30px;background:var(--surface)}.flow div{padding:22px;border-right:1px solid var(--border)}.flow div:last-child{border:0}.flow b{display:block;font-size:17px}.flow small{display:block;color:var(--text-2);font-size:12px}.flow span{color:var(--accent);font-size:12px}.content{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 42px 40px}.content section{padding:25px 0 15px;border-bottom:1px solid var(--border)}.content section:last-child{border:0}h2{font-size:25px;line-height:1.5;margin:15px 0 25px}h3{font-size:20px}p{margin:14px 0}blockquote{margin:16px 0;padding:14px 20px;background:var(--surface-2);border-left:3px solid var(--accent);color:var(--text-2)}blockquote p{margin:0}.table-scroll{overflow:auto;margin:24px 0;border:1px solid var(--border);border-radius:10px}table{border-collapse:collapse;width:100%;min-width:680px;font-size:14px;line-height:1.7}th,td{text-align:left;vertical-align:top;padding:16px;border-bottom:1px solid var(--border)}th{background:var(--surface-2);color:var(--accent);font-weight:600}th:first-child{min-width:140px}tr:last-child td{border-bottom:0}ul,ol{padding-left:23px}li{margin:9px 0}code{font-size:13px;background:var(--surface-2);padding:2px 5px;border-radius:4px}.page-footer{padding:25px 0;color:var(--text-2);font-size:12px}@media(max-width:650px){.page{padding:0 18px 30px}.topbar{padding:14px 18px}.topbar span{display:none}.hero{padding:30px 0}h1{font-size:31px}.lede{font-size:16px}.content{padding:10px 18px 25px}h2{font-size:22px}.flow{grid-template-columns:1fr}.flow div{padding:12px 18px;border-right:0;border-bottom:1px solid var(--border);display:grid;grid-template-columns:30px 1fr;align-items:center}.flow b{font-size:15px}.flow small{grid-column:2}.content section{padding:16px 0}.nav a{font-size:12px;padding:8px 12px}}@media print{.topbar,.nav{display:none}.page{max-width:none;padding:0}.content{border:0;padding:0}body{background:white;font-size:11px}.hero{padding:10px 0}.flow{display:none}.table-scroll{overflow:visible}table{min-width:0;font-size:10px}h1{font-size:28px}h2{break-after:avoid}tr{break-inside:avoid}}
"""

def render(stem):
    raw = (ROOT / (stem + '.md')).read_text()
    title = raw.splitlines()[0].removeprefix('# ')
    body = markdown.markdown('\n'.join(raw.splitlines()[1:]), extensions=['tables', 'fenced_code', 'toc'])
    for target in ['legacy-rule-audit', 'product-mode-use-cases', 'decision-memo', 'verification', 'product-system-master']:
        body = body.replace(f'href="{target}.md"', f'href="{target}.html"')
    body = body.replace('<table>', '<div class="table-scroll" tabindex="0" aria-label="横向滚动查看完整表格"><table>').replace('</table>', '</table></div>')
    body = '<section>' + body.replace('<h2 ', '</section><section><h2 ') + '</section>'
    flow = ''
    if stem in ['decision-memo', 'product-system-master']:
        flow = '<div class="flow" aria-label="建议的服务流程">' + ''.join(f'<div><span>0{i}</span><b>{a}</b><small>{b}</small></div>' for i, (a,b) in enumerate([('看见状态','睡眠 · 全天行为'),('安排吃动','今天的一件事'),('按需补充','食物优先 · 商品可选'),('专业解读','阶段服务 · 真实排期'),('回看调整','记录反馈 · 保留未知')],1)) + '</div>'
    if stem == 'product-system-master':
        flow = '<div class="flow" aria-label="健康评估到持续吃动改变的服务流程">' + ''.join(f'<div><span>0{i}</span><b>{a}</b><small>{b}</small></div>' for i, (a,b) in enumerate([('了解身体','体检 · 微体检 · 日常'),('确定目标','个人关注 · 专业边界'),('餐单与实吃','分别记录 · 结构对照'),('按人提醒','看时机 · 跟反馈调整'),('复测与复评','持续关注 · 专业解读')],1)) + '</div>'
    output = f'''<!doctype html><html lang="zh-CN" data-theme="minimal-white"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>{html.escape(title)}</title><style>{STYLE}</style></head><body class="webpage"><div class="topbar"><b>康比特 · 个人运动营养</b><span>产品模式讨论 / 2026.09</span></div><div class="page"><section class="hero"><p class="kicker">PERSONAL SPORTS NUTRITION</p><h1>{html.escape(title)}</h1><p class="lede">从每天的身体状态出发，把营养方法、商品供给与阶段性专业服务，连接到一个人的真实生活。</p><nav class="nav"><a href="decision-memo.html">整体模式</a><a href="../oura-service-blueprint.html">Oura服务蓝图</a><a href="../prototype/pc.html">现有专业PC原型</a><a href="{stem}.md">Markdown正文</a></nav></section>{flow}<main class="content">{body}</main><div class="page-footer">内部讨论稿 · 资源核验与产品假设分开 · 真实推荐及商业结果待验证</div></div></body></html>'''
    output = output.replace('<nav class="nav">', '<nav class="nav"><a href="product-system-master.html">产品推进总纲</a>', 1)
    if stem == 'product-system-master':
        output = output.replace('从每天的身体状态出发，把营养方法、商品供给与阶段性专业服务，连接到一个人的真实生活。', '从体检确定关注，从微体检观察变化。让每一餐的真实选择，进入下一次更适合你的安排。')
    (ROOT / (stem + '.html')).write_text(output)

if __name__ == '__main__':
    for name in ['product-system-master', 'decision-memo', 'legacy-rule-audit', 'product-mode-use-cases', 'verification']:
        if (ROOT / (name + '.md')).exists():
            render(name)
            print('Rendered', name)