# -*- coding: utf-8 -*-
"""NBA球迷大全 - Flask 服务入口（API + 前端静态页 + 管理后台 + 详情页）"""
import logging
import os

from flask import Flask, jsonify, request, send_from_directory

from config import STATIC_DIR, SERVICE_NAME, SERVICE_PORT, SERVICE_HOST
from db import init_db, table_count, query_one
import tools
import chat
import vector_store
import entity_linker
import playoffs as playoffs_mod
import admin as admin_mod

logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s %(message)s")
log = logging.getLogger("app")

app = Flask(__name__, static_folder=None)
app.config["JSON_AS_ASCII"] = False


# ------------------------------------------------------------------ 页面
@app.route("/")
def index():
    return send_from_directory(STATIC_DIR, "index.html")


@app.route("/admin")
def admin_page():
    return send_from_directory(STATIC_DIR, "admin.html")


# 独立详情页（前端 detail.js 按路径加载数据渲染）
@app.route("/<etype>/<int:eid>")
def detail_page(etype, eid):
    if etype in ("team", "player", "game", "news", "person"):
        return send_from_directory(STATIC_DIR, "detail.html")
    return send_from_directory(STATIC_DIR, "index.html")


@app.route("/static/<path:path>")
def static_files(path):
    return send_from_directory(STATIC_DIR, path)


# ------------------------------------------------------------------ 健康/统计
@app.route("/api/health")
def health():
    return jsonify({"status": "ok", "service": SERVICE_NAME,
                    "db": {t: table_count(t) for t in ("teams", "players", "games", "news", "persons")},
                    "vector_docs": vector_store.collection_count()})


@app.route("/api/suggestions")
def suggestions():
    return jsonify(chat.suggest_questions())


@app.route("/api/boot")
def boot():
    """对话界面启动信息：开场白 + 快捷问题（管理后台可配置）"""
    return jsonify(chat.boot_info())


@app.route("/api/suggest", methods=["POST"])
def api_suggest():
    """基于对话历史预测底部快捷问题（个数后台可配，默认3）"""
    body = request.get_json(force=True, silent=True) or {}
    history = body.get("history") or []
    try:
        n = int(admin_mod.get_config().get("suggestion_count", "3") or "3")
    except Exception:
        n = 3
    try:
        return jsonify({"suggestions": chat.predict_suggestions(history, n)})
    except Exception as e:
        log.exception("suggest error")
        return jsonify({"suggestions": chat.suggest_questions()[:n]}), 200


# ------------------------------------------------------------------ 对话
@app.route("/api/chat", methods=["POST"])
def api_chat():
    body = request.get_json(force=True, silent=True) or {}
    message = (body.get("message") or "").strip()
    history = body.get("history") or []
    if not message:
        return jsonify({"error": "消息不能为空"}), 400
    try:
        reply, sources, used_tools, news_refs = chat.chat_once(message, history)
        # 实体识别程序：扫描回答，标记球队/球员/人物/比赛 + 快速查看卡片
        game_refs = [it for s in sources
                     if s.get("tool") in ("search_games", "get_game_detail")
                     for it in s.get("items", [])]
        mark_mode = admin_mod.get_config().get("entity_mark_mode", "first")
        spans, cards = entity_linker.link_entities(reply, game_refs=game_refs, mark_mode=mark_mode)
        return jsonify({"reply": reply, "sources": sources, "used_tools": used_tools,
                        "news_refs": news_refs, "entities": spans, "cards": cards})
    except Exception as e:
        log.exception("chat error")
        return jsonify({"error": f"服务异常: {e}"}), 500


# ------------------------------------------------------------------ 球队
@app.route("/api/teams")
def api_teams():
    q = request.args.get("q", "")
    r = tools.search_teams(q, limit=int(request.args.get("limit", 50)))
    return jsonify(r.get("results", []))


@app.route("/api/teams/<int:tid>")
def api_team(tid):
    t = tools.get_team(tid)
    if not t:
        return jsonify({"error": "not found"}), 404
    roster = tools.search_players(t["name"], limit=20)["results"]
    games = tools.search_games(t["name"], limit=10)["results"]
    # 各赛季排名
    from db import query as dbq
    seasons = dbq("""SELECT season, conference, rank, wins, losses FROM standings
                     WHERE team_id=? ORDER BY season DESC""", (tid,))
    return jsonify({"team": t, "roster": roster, "recent_games": games, "standings": seasons})


# ------------------------------------------------------------------ 球员
@app.route("/api/players")
def api_players():
    q = request.args.get("q", "")
    position = request.args.get("position", "")
    page = max(1, int(request.args.get("page", 1)))
    size = min(60, max(1, int(request.args.get("size", 24))))
    return jsonify(tools.list_players(q, position=position, page=page, size=size))


@app.route("/api/players/<int:pid>")
def api_player(pid):
    p = tools.get_player(pid)
    if not p:
        return jsonify({"error": "not found"}), 404
    p["game_logs"] = tools.player_game_logs(pid)
    return jsonify(p)


# ------------------------------------------------------------------ 比赛
@app.route("/api/games")
def api_games():
    q = request.args.get("q", "")
    status = request.args.get("status", "")
    page = max(1, int(request.args.get("page", 1)))
    size = min(40, max(1, int(request.args.get("size", 12))))
    return jsonify(tools.list_games(q, status=status, page=page, size=size))


@app.route("/api/games/<int:gid>")
def api_game(gid):
    g = tools.get_game_detail(gid)
    if not g:
        return jsonify({"error": "not found"}), 404
    return jsonify(g)


# ------------------------------------------------------------------ 排名
@app.route("/api/standings")
def api_standings():
    conf = request.args.get("conf", "")
    season = request.args.get("season", "") or None
    r = tools.search_standings(conf, season=season, limit=30)
    return jsonify(r.get("results", []))


# ------------------------------------------------------------------ 赛季列表 / 季后赛对阵图
@app.route("/api/seasons")
def api_seasons():
    return jsonify(playoffs_mod.seasons())


@app.route("/api/playoffs")
def api_playoffs():
    season = request.args.get("season", "") or playoffs_mod.seasons()[0]
    try:
        return jsonify(playoffs_mod.build_bracket(season))
    except Exception as e:
        return jsonify({"error": str(e)}), 500


# ------------------------------------------------------------------ 新闻
@app.route("/api/news")
def api_news():
    q = request.args.get("q", "")
    kind = request.args.get("kind", "")
    tag = request.args.get("tag", "")
    page = max(1, int(request.args.get("page", 1)))
    size = min(30, max(1, int(request.args.get("size", 10))))
    return jsonify(tools.list_news(q, kind=kind, tag=tag, page=page, size=size))


@app.route("/api/news/<int:nid>")
def api_news_detail(nid):
    from db import query_one as q1
    n = q1("SELECT * FROM news WHERE id=?", (nid,))
    if not n:
        return jsonify({"error": "not found"}), 404
    return jsonify(n)


# ------------------------------------------------------------------ 人物
@app.route("/api/persons")
def api_persons():
    q = request.args.get("q", "")
    role = request.args.get("role", "")
    page = max(1, int(request.args.get("page", 1)))
    size = min(30, max(1, int(request.args.get("size", 12))))
    return jsonify(tools.list_persons(q, role=role, page=page, size=size))


@app.route("/api/persons/<int:pid>")
def api_person(pid):
    from db import query_one as q1
    p = q1("SELECT * FROM persons WHERE id=?", (pid,))
    if not p:
        return jsonify({"error": "not found"}), 404
    return jsonify(p)


# ================================================================== 管理后台
@app.route("/api/admin/login", methods=["POST"])
def admin_login():
    return admin_mod.login()


@app.route("/api/admin/logout", methods=["POST"])
@admin_mod.require_admin
def admin_logout():
    return admin_mod.logout()


@app.route("/api/admin/stats")
@admin_mod.require_admin
def admin_stats():
    return admin_mod.stats()


@app.route("/api/admin/config")
@admin_mod.require_admin
def admin_config_get():
    return admin_mod.get_config_api()


@app.route("/api/admin/config", methods=["PUT"])
@admin_mod.require_admin
def admin_config_put():
    return admin_mod.update_config()


@app.route("/api/admin/suggestions/reset", methods=["POST"])
@admin_mod.require_admin
def admin_suggestions_reset():
    return admin_mod.reset_suggestions()


@app.route("/api/admin/<table>")
@admin_mod.require_admin
def admin_list(table):
    return admin_mod.list_rows(table)


@app.route("/api/admin/<table>", methods=["POST"])
@admin_mod.require_admin
def admin_create(table):
    return admin_mod.create_row(table)


@app.route("/api/admin/<table>/<int:rid>")
@admin_mod.require_admin
def admin_get(table, rid):
    return admin_mod.get_row(table, rid)


@app.route("/api/admin/<table>/<int:rid>", methods=["PUT"])
@admin_mod.require_admin
def admin_update(table, rid):
    return admin_mod.update_row(table, rid)


@app.route("/api/admin/<table>/<int:rid>", methods=["DELETE"])
@admin_mod.require_admin
def admin_delete(table, rid):
    return admin_mod.delete_row(table, rid)


if __name__ == "__main__":
    init_db()
    admin_mod.init_defaults()
    log.info("%s 启动于 http://%s:%s", SERVICE_NAME, SERVICE_HOST, SERVICE_PORT)
    app.run(host=SERVICE_HOST, port=SERVICE_PORT, threaded=True)