"""Serve shared UI assets from lib/common/static under /static/*."""
from __future__ import annotations

import os

from flask import Flask, Response, send_file

from lib.paths import common_static_dir

# mime by extension; listed names are served from lib/common/static
_COMMON_STATIC_ASSETS: dict[str, str] = {
    "instance_theme.js": "application/javascript; charset=utf-8",
    "instance_theme_early.css": "text/css; charset=utf-8",
    "instance_theme.css": "text/css; charset=utf-8",
    "account_risk_badge.css": "text/css; charset=utf-8",
    "account_risk_badge.js": "application/javascript; charset=utf-8",
    "instance_ui.js": "application/javascript; charset=utf-8",
    "instance_records_mobile.js": "application/javascript; charset=utf-8",
    "records_review_page.js": "application/javascript; charset=utf-8",
    "form_submit_guard.js": "application/javascript; charset=utf-8",
    "autofill_guard.js": "application/javascript; charset=utf-8",
    "open_submit_gate.js": "application/javascript; charset=utf-8",
    "key_monitor_form.js": "application/javascript; charset=utf-8",
    "time_close_ui.js": "application/javascript; charset=utf-8",
    "manual_order_rr_preview.js": "application/javascript; charset=utf-8",
    "symbol_live_price.js": "application/javascript; charset=utf-8",
    "journal_upload_slots.js": "application/javascript; charset=utf-8",
    "journal_form_save.js": "application/javascript; charset=utf-8",
    "instance_page.css": "text/css; charset=utf-8",
    "instance_embed.js": "application/javascript; charset=utf-8",
    "instance_mobile_nav.js": "application/javascript; charset=utf-8",
    "instance_stats.js": "application/javascript; charset=utf-8",
    "instance_live.js": "application/javascript; charset=utf-8",
    "instance_settings_prefs.js": "application/javascript; charset=utf-8",
    "instance_dashboard.js": "application/javascript; charset=utf-8",
    "account_ledger.js": "application/javascript; charset=utf-8",
    "options_expiry_countdown.js": "application/javascript; charset=utf-8",
    "nav_spot_tickers.js": "application/javascript; charset=utf-8",
    "options_panel.js": "application/javascript; charset=utf-8",
    "options_settings.js": "application/javascript; charset=utf-8",
    "options_position_cards.js": "application/javascript; charset=utf-8",
    "options_review.js": "application/javascript; charset=utf-8",
    "hedge_plan.js": "application/javascript; charset=utf-8",
    "order_entry_model.js": "application/javascript; charset=utf-8",
    "focus_chart_page.js": "application/javascript; charset=utf-8",
    "focus_chart_page.css": "text/css; charset=utf-8",
    "trade_stats_calendar.js": "application/javascript; charset=utf-8",
    "trade_stats_calendar.css": "text/css; charset=utf-8",
}


def install_common_static(app: Flask, repo_root: str | None = None) -> None:
    """Register /static/<asset> for shared CSS/JS (replaces hub_bridge mount)."""
    repo_static = common_static_dir(repo_root)
    for name, mime in _COMMON_STATIC_ASSETS.items():
        path = os.path.join(repo_static, name)

        def _view(p: str = path, m: str = mime):
            if not os.path.isfile(p):
                return Response("not found", status=404, mimetype="text/plain; charset=utf-8")
            return send_file(p, mimetype=m)

        endpoint = f"common_static_{name.replace('.', '_').replace('-', '_')}"
        # 覆盖同名旧路由(若有),确保样式一定从 lib/common/static 提供
        try:
            app.add_url_rule(f"/static/{name}", endpoint=endpoint, view_func=_view)
        except AssertionError:
            # endpoint 已存在时替换 view
            app.view_functions[endpoint] = _view