"""
空运选线路 H5 页。

本文件职责：列出 TMS 线路（航线+费用+总价），提交所选下标。
样式对齐附件询价页：企微内嵌、手机竖屏、卡片点选。
禁止：从 URL 读 userid；禁止本页查 TMS；禁止编造费用行。
"""

from __future__ import annotations

import html
from typing import Any

from agent.channel.h5.wecom_close import wecom_auto_close_script
from agent.schema.air_route_options import (
    option_fee_lines,
    option_total,
    parse_air_options,
    route_codes,
    route_line,
)

# 与 upload_page 同一套企微蓝、浅底、白卡片。禁止在页面写 userid。
_PAGE_CSS = """
:root {
  --bg: #eef3f9;
  --card: #ffffff;
  --text: #17233d;
  --muted: #5b6b7c;
  --line: #c5d4ea;
  --brand: #1677ff;
  --brand-press: #0f62d9;
  --ok: #0f8a5f;
  --shadow: 0 10px 28px rgba(23, 51, 91, 0.10);
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
.wrap {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 16px calc(96px + env(safe-area-inset-bottom));
}
.hero { margin: 4px 0 16px; }
.wo {
  display: inline-block;
  font-size: 12px;
  color: #2b5aa8;
  background: #eef4ff;
  border-radius: 999px;
  padding: 4px 10px;
  margin: 0 0 8px;
  word-break: break-all;
}
h1 { font-size: 22px; line-height: 1.3; margin: 0 0 6px; font-weight: 600; }
.lead { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.opt {
  display: block;
  position: relative;
  background: var(--card);
  border: 1.5px solid transparent;
  border-radius: 16px;
  padding: 16px 16px 14px;
  margin: 0 0 12px;
  box-shadow: var(--shadow);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.opt:has(input:checked), .opt.is-on {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.16), var(--shadow);
}
.opt input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}
.head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.tick {
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 2px solid var(--line);
  border-radius: 50%;
  flex-shrink: 0;
  background: #fff;
}
.opt:has(input:checked) .tick, .opt.is-on .tick {
  border-color: var(--brand);
  background: var(--brand);
  box-shadow: inset 0 0 0 4px #fff;
}
.route { flex: 1; min-width: 0; }
.route strong {
  display: block;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 650;
}
.codes { display: block; margin-top: 2px; color: var(--muted); font-size: 12px; letter-spacing: 0.04em; }
.meta { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.pill {
  font-size: 12px;
  color: #2b5aa8;
  background: #eef4ff;
  border-radius: 999px;
  padding: 3px 8px;
}
.pill.via { color: #8a5a00; background: #fff6e0; }
.fees { list-style: none; margin: 12px 0 0; padding: 0; }
.fees li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-top: 1px solid #eef2f6;
  font-size: 14px;
  line-height: 1.5;
}
.fees .n { color: var(--muted); }
.fees li.leg .n { color: inherit; font-weight: 650; }
.fees .a { font-variant-numeric: tabular-nums; text-align: right; }
.empty {
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid #eef2f6;
  color: var(--muted);
  font-size: 13px;
}
.total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-size: 15px;
}
.total b { color: var(--brand); font-size: 18px; font-variant-numeric: tabular-nums; }
.bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(255,255,255,0.96);
  box-shadow: 0 -8px 24px rgba(23, 51, 91, 0.08);
}
.bar-inner { max-width: 480px; margin: 0 auto; }
button[type="submit"] {
  width: 100%;
  min-height: 48px;
  border: 0;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  touch-action: manipulation;
}
button[type="submit"]:active { background: var(--brand-press); }
.msg {
  max-width: 480px;
  margin: 48px auto;
  padding: 0 16px;
  text-align: center;
}
.msg h1 { font-size: 20px; margin: 0 0 8px; }
.msg p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.6; }
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}
"""


def expired_air_route_page() -> str:
    """token 过期页。"""
    return _wrap(
        "已过期",
        "<div class='msg'><h1>链接已过期</h1><p>请回企微重新打开选线路卡片。</p></div>",
    )


def render_air_route_page(payload: dict[str, Any]) -> str:
    """
    渲染选线路页。payload 来自 token：quote / facts / work_order_no。
    """
    quote = dict(payload.get("quote") or {})
    facts = dict(payload.get("facts") or {})
    wo = html.escape(str(payload.get("work_order_no") or ""))
    options = parse_air_options(quote)
    rows: list[str] = []
    for i, option in enumerate(options):
        rows.append(_option_card(i, option, quote, facts))
    count = len(options)
    body = (
        "<div class='wrap'>"
        "<header class='hero'>"
        f"<p class='wo'>{wo}</p>"
        "<h1>选择线路</h1>"
        f"<p class='lead'>共 {count} 条线路，点选一条后确定。费用以 TMS 回包为准。</p>"
        "</header>"
        "<form method='post'>"
        + "".join(rows)
        + "<div class='bar'><div class='bar-inner'>"
        "<button type='submit'>选定这条</button>"
        "</div></div></form></div>"
        "<script>(function(){var f=document.querySelector('form');if(!f)return;"
        "function sync(){f.querySelectorAll('.opt').forEach(function(el){"
        "el.classList.toggle('is-on',!!(el.querySelector('input')||{}).checked);});}"
        "f.addEventListener('change',sync);})();</script>"
    )
    return _wrap("选择线路", body)


def render_air_route_ok() -> str:
    """选定成功：短暂展示后关企微 H5。"""
    return _wrap(
        "已选定",
        "<div class='msg'><h1>已选定</h1><p>正在返回企微，请查看价格明细。</p></div>",
        auto_close=True,
    )


def _option_card(index: int, option: dict[str, Any], quote: dict[str, Any], facts: dict[str, str]) -> str:
    """一张线路卡：航线、TMS 费用、总价。没有费用行就留空说明，不编造。"""
    src = dict(option or {})
    line = html.escape(route_line(src, facts))
    codes = html.escape(route_codes(src, facts, quote))
    fees = option_fee_lines(src, quote)
    if fees:
        fee_html = (
            "<ul class='fees'>"
            + "".join(
                f"<li><span class='n'>{html.escape(name)}</span>"
                f"<span class='a'>{html.escape(amount)}</span></li>"
                for name, amount in fees
            )
            + "</ul>"
        )
    else:
        fee_html = "<p class='empty'>本线路未返回费用明细</p>"
    total = html.escape(option_total(src, quote))
    transfer = str(src.get("transferAirportCode") or src.get("transfer") or "").strip()
    tag = "中转" if transfer else "直达"
    tag_cls = "pill via" if transfer else "pill"
    flight = html.escape(str(src.get("flightNo") or "").strip())
    pills = [f"<span class='{tag_cls}'>{tag}</span>"]
    if flight:
        pills.append(f"<span class='pill'>航班 {flight}</span>")
    codes_html = f"<span class='codes'>{codes}</span>" if codes else ""
    return (
        "<label class='opt'>"
        f"<input type='radio' name='index' value='{index}' required />"
        "<div class='head'><span class='tick' aria-hidden='true'></span>"
        f"<div class='route'><strong>{line}</strong>{codes_html}"
        f"<div class='meta'>{''.join(pills)}</div></div></div>"
        f"{fee_html}"
        f"<p class='total'><span>总销售价</span><b>{total}</b></p>"
        "</label>"
    )


def _wrap(title: str, body: str, *, auto_close: bool = False) -> str:
    """整页壳：标题、viewport、共用样式。成功页可挂企微关窗脚本。"""
    closer = wecom_auto_close_script() if auto_close else ""
    return (
        "<!doctype html><html lang='zh-CN'><head><meta charset='utf-8' />"
        "<meta name='viewport' content='width=device-width, initial-scale=1' />"
        f"<title>{html.escape(title)}</title>"
        f"<style>{_PAGE_CSS}</style></head><body>"
        f"{body}{closer}</body></html>"
    )