# Copyright (c) 2025-2026 马建军. All rights reserved.
"""HTTP routes for stats 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.stats.stats_engine import (
        STATS_VIEWS,
        get_calendar_day,
        get_calendar_month,
        refresh_stats_cache,
    )
    from modules.settings.nav_settings import nav_enabled
    from modules.stats.dashboard_lib import build_dashboard_payload
    from modules.core.doc_render import read_doc, render_markdown

    _dashboard_sync_tick = {"n": 0}

    @app.route("/stats")
    @login_required
    def stats():
        return render_template("stats.html")


    @app.route("/calendar")
    @login_required
    def trade_calendar():
        return render_template("calendar.html")


    @app.route("/api/stats")
    @login_required
    def api_stats():
        return jsonify(get_stats_data())


    @app.route("/api/stats/views")
    @login_required
    def api_stats_views():
        return jsonify({"views": STATS_VIEWS})


    @app.route("/api/stats/refresh", methods=["POST"])
    @login_required
    def api_stats_refresh():
        conn = get_db()
        capital = float(get_setting("live_capital", "0") or 0)
        data = refresh_stats_cache(conn, capital)
        conn.close()
        return jsonify(data)


    @app.route("/api/stats/calendar")
    @login_required
    def api_stats_calendar():
        now = datetime.now(TZ)
        year = request.args.get("year", type=int) or now.year
        month = request.args.get("month", type=int) or now.month
        if month < 1 or month > 12:
            return jsonify({"error": "invalid month"}), 400
        conn = get_db()
        try:
            data = get_calendar_month(conn, year, month)
        finally:
            conn.close()
        return jsonify(data)


    @app.route("/api/stats/calendar/day")
    @login_required
    def api_stats_calendar_day():
        day = (request.args.get("date") or "").strip()
        if not day:
            return jsonify({"error": "date required"}), 400
        try:
            date.fromisoformat(day)
        except ValueError:
            return jsonify({"error": "invalid date"}), 400
        conn = get_db()
        try:
            data = get_calendar_day(conn, day)
        finally:
            conn.close()
        return jsonify(data)


    @app.route("/dashboard")
    @login_required
    @require_nav("dashboard")
    def dashboard():
        return render_template("dashboard.html")


    @app.route("/risk-guide")
    @login_required
    @require_nav("risk_guide")
    def risk_guide():
        from modules.core.doc_render import read_doc, render_markdown

        try:
            _title, raw = read_doc("risk-guide")
        except FileNotFoundError:
            flash("文档不存在")
            return redirect(url_for("positions"))
        return render_template("risk_guide.html", doc_html=render_markdown(raw))


    @app.route("/api/dashboard/live")
    @login_required
    def api_dashboard_live():
        if not nav_enabled(get_setting, "dashboard"):
            return jsonify({"ok": False, "error": "数据看板已在系统设置中关闭"}), 403
        from modules.stats.dashboard_lib import build_dashboard_payload

        _dashboard_sync_tick["n"] += 1
        sync_trades = _dashboard_sync_tick["n"] % 15 == 0
        try:
            payload = build_dashboard_payload(
                get_db=get_db,
                get_setting=get_setting,
                fetch_price=fetch_price,
                sync_ctp_trades=sync_trades,
            )
            return jsonify(payload)
        except Exception as exc:
            app.logger.exception("dashboard live: %s", exc)
            return jsonify({"ok": False, "error": "看板数据暂时不可用"}), 503