"""Build embed_page_fragment.html from gate index.html."""
from __future__ import annotations

from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
src_lines = (ROOT / "crypto_monitor_gate" / "templates" / "index.html").read_text(
    encoding="utf-8"
).splitlines()

# 1-based line numbers from index.html
macro_body = src_lines[243:262]  # {% macro %} … {% endmacro %}
grid_inner = src_lines[328:736]  # inside .grid (exclude outer wrapper)
stats_block = src_lines[738:772]

out_lines = [
    "{# Hub iframe tab fragment — shared via embed_templates #}",
    *macro_body,
    '<div class="grid">',
    *grid_inner,
    "</div>",
    *stats_block,
]

out_dir = ROOT / "embed_templates"
out_dir.mkdir(exist_ok=True)
text = "\n".join(out_lines) + "\n"
text = text.replace(
    "{% include 'order_monitor_rule_tips_gate.html' %}",
    "{% include order_rule_tips_tpl %}",
)
(out_dir / "embed_page_fragment.html").write_text(text, encoding="utf-8")
print("wrote", out_dir / "embed_page_fragment.html", "lines", len(out_lines))