# Copyright (c) 2025-2026 马建军. All rights reserved.
"""HTTP routes for market module."""

from __future__ import annotations

from datetime import date, datetime

from flask import (
    Response,
    flash,
    jsonify,
    redirect,
    render_template,
    request,
    send_file,
    session,
    stream_with_context,
    url_for,
)


def register(deps) -> None:
    app = deps.app
    login_required = deps.login_required
    require_nav = deps.require_nav
    get_db = deps.get_db
    get_setting = deps.get_setting
    set_setting = deps.set_setting
    fetch_price = deps.fetch_price
    send_wechat_msg = deps.send_wechat_msg
    touch_stats_cache = deps.touch_stats_cache
    get_stats_data = deps.get_stats_data
    build_market_quote_payload = deps.build_market_quote_payload
    today_str = deps.today_str
    expire_old_plans = deps.expire_old_plans
    TZ = deps.tz
    DB_PATH = deps.db_path
    UPLOAD_DIR = deps.upload_dir
    OPEN_TYPES = deps.open_types
    EXIT_TRIGGERS = deps.exit_triggers
    BEHAVIOR_TAGS = deps.behavior_tags
    KLINE_PERIODS = deps.kline_periods
    KLINE_CUTOFFS = deps.kline_cutoffs
    calc_holding_duration = deps.calc_holding_duration
    holding_to_minutes = deps.holding_to_minutes
    classify_close_result = deps.classify_close_result
    calc_rr_ratio = deps.calc_rr_ratio
    calc_theoretical_pnl = deps.calc_theoretical_pnl
    parse_review_date_filter = deps.parse_review_date_filter
    _trading_mode = deps.trading_mode
    _ua_is_phone = deps.ua_is_phone
    _static_asset_v = deps.static_asset_v

    from modules.core.symbols import (
        list_main_contracts_grouped,
        list_recommended_symbols_grouped,
        search_symbols,
    )
    from modules.market.kline_chart import MARKET_PERIODS, fetch_market_klines
    from modules.market.kline_stream import kline_hub, sse_format
    from modules.market.market import get_quote_source_label
    from queue import Empty

    @app.route("/api/symbols/search")
    @login_required
    def api_symbol_search():
        q = request.args.get("q", "")
        conn = get_db()
        try:
            from modules.core.trading_context import get_account_capital, is_ctp_connected
            capital = get_account_capital(conn, get_setting)
            ctp_connected = is_ctp_connected(get_setting)
        finally:
            conn.close()
        return jsonify(search_symbols(q, capital=capital, ctp_connected=ctp_connected))


    @app.route("/api/symbols/mains")
    @login_required
    def api_symbols_mains():
        return jsonify(list_main_contracts_grouped())


    @app.route("/api/symbols/recommended")
    @login_required
    def api_symbols_recommended():
        """品种下拉：仅展示当前资金下可开仓品种（与下方可开仓品种表一致）。"""
        from modules.trading.recommend_store import recommend_payload
        from modules.core.trading_context import (
            get_fixed_lots,
            get_max_margin_pct,
            get_recommend_capital,
            get_sizing_mode,
            get_trading_mode,
        )

        conn = get_db()
        try:
            capital = get_recommend_capital(conn, get_setting)
            payload = recommend_payload(
                conn,
                live_capital=capital,
                max_margin_pct=get_max_margin_pct(get_setting),
                trading_mode=get_trading_mode(get_setting),
                sizing_mode=get_sizing_mode(get_setting),
                fixed_lots=get_fixed_lots(get_setting),
            )
            return jsonify(list_recommended_symbols_grouped(payload.get("rows") or []))
        finally:
            conn.close()

    @app.route("/market")
    @login_required
    @require_nav("market")
    def market_page():
        symbol = request.args.get("symbol", "").strip()
        period = request.args.get("period", "15m").strip()
        valid = {p["key"] for p in MARKET_PERIODS}
        if period not in valid:
            period = "15m"
        ctp_st = {}
        try:
            from modules.ctp.vnpy_bridge import ctp_status
            from modules.core.trading_context import get_trading_mode

            ctp_st = ctp_status(get_trading_mode(get_setting))
        except Exception:
            pass
        return render_template(
            "market.html",
            symbol=symbol,
            period=period,
            market_periods=MARKET_PERIODS,
            quote_label=get_quote_source_label(ctp_connected=bool(ctp_st.get("connected"))),
            ctp_connected=bool(ctp_st.get("connected")),
        )


    @app.route("/api/kline")
    @login_required
    def api_kline():
        symbol = request.args.get("symbol", "").strip()
        period = request.args.get("period", "15m").strip()
        if not symbol:
            return jsonify({"error": "请提供合约代码"}), 400
        try:
            from modules.core.trading_context import get_trading_mode

            data = fetch_market_klines(
                symbol, period, DB_PATH, prefer_ctp=False,
            )
        except Exception as exc:
            app.logger.warning("kline api failed: %s", exc)
            return jsonify({"error": str(exc)}), 500
        if not data.get("chart_symbol"):
            return jsonify({"error": "无法识别合约代码"}), 400
        if not data.get("bars"):
            return jsonify({"error": "未获取到K线数据，请稍后重试或更换合约"}), 404
        return jsonify(data)


    @app.route("/api/kline/stream")
    @login_required
    def api_kline_stream():
        from queue import Empty

        symbol = request.args.get("symbol", "").strip()
        period = request.args.get("period", "15m").strip()
        market_code = request.args.get("market_code", "").strip()
        sina_code = request.args.get("sina_code", "").strip()
        if not symbol:
            return jsonify({"error": "请提供合约代码"}), 400

        def generate():
            sub = kline_hub.subscribe(symbol, period, market_code, sina_code)
            try:
                kline_data = fetch_market_klines(
                    symbol, period, DB_PATH, prefer_ctp=False,
                )
                if kline_data.get("bars"):
                    yield sse_format("kline", kline_data)
                yield sse_format(
                    "quote",
                    build_market_quote_payload(
                        symbol, market_code, sina_code, prefer_sina=True,
                    ),
                )
                while True:
                    try:
                        msg = sub.queue.get(timeout=20)
                        yield sse_format(msg["event"], msg["data"])
                    except Empty:
                        yield ": heartbeat\n\n"
            finally:
                kline_hub.unsubscribe(sub)

        return Response(
            stream_with_context(generate()),
            mimetype="text/event-stream",
            headers={
                "Cache-Control": "no-cache",
                "Connection": "keep-alive",
                "X-Accel-Buffering": "no",
            },
        )


    @app.route("/api/market_quote")
    @login_required
    def api_market_quote():
        symbol = request.args.get("symbol", "").strip()
        market_code = request.args.get("market_code", "").strip()
        sina_code = request.args.get("sina_code", "").strip()
        if not symbol and not market_code:
            return jsonify({"error": "请提供合约"}), 400
        return jsonify(build_market_quote_payload(
            symbol, market_code, sina_code, prefer_sina=True,
        ))


    @app.route("/contract")
    @login_required
    def contract_profile_page():
        return redirect(url_for("positions"))


    @app.route("/api/contract_profile")
    @login_required
    def api_contract_profile():
        return jsonify({"error": "品种简介功能已移除"}), 404