"""
与 app.py 一致的票务排程 API（Token、影厅排片），供多页面复用，避免 import app 时执行整站 UI。
"""
import json
import os
import time

import pandas as pd
import requests
from dotenv import load_dotenv


class _NoopStreamlit:
    @staticmethod
    def error(*args, **kwargs):
        return None

    @staticmethod
    def toast(*args, **kwargs):
        return None

    @staticmethod
    def cache_data(*args, **kwargs):
        def _decorator(func):
            return func

        return _decorator


def _resolve_streamlit():
    """
    - Streamlit 页面内：保留原能力（toast/cache_data）
    - 非 Streamlit 运行（如 Flask/FastAPI）：使用 no-op，避免无运行时警告
    """
    try:
        import streamlit as _st
        from streamlit.runtime.scriptrunner import get_script_run_ctx

        if get_script_run_ctx(suppress_warning=True) is None:
            return _NoopStreamlit()
        return _st
    except Exception:
        return _NoopStreamlit()


st = _resolve_streamlit()

load_dotenv()

TOKEN_FILE = "token_data.json"
CINEMA_ID = os.getenv("CINEMA_ID")


def load_token():
    if os.path.exists(TOKEN_FILE):
        try:
            with open(TOKEN_FILE, "r", encoding="utf-8") as f:
                return json.load(f)
        except (json.JSONDecodeError, FileNotFoundError):
            return None
    return None


def save_token(token_data):
    try:
        with open(TOKEN_FILE, "w", encoding="utf-8") as f:
            json.dump(token_data, f, ensure_ascii=False, indent=4)
        return True
    except Exception as e:
        st.error(f"保存Token失败: {e}")
        return False


def login_and_get_token():
    username = os.getenv("CINEMA_USERNAME")
    password = os.getenv("CINEMA_PASSWORD")
    res_code = os.getenv("CINEMA_RES_CODE")
    device_id = os.getenv("CINEMA_DEVICE_ID")

    if not all([username, password, res_code]):
        st.error("登录失败：未配置用户名、密码或影院编码环境变量。")
        return None

    session = requests.Session()
    session.headers.update({
        "Host": "app.bi.piao51.cn",
        "Accept": "application/json, text/javascript, */*; q=0.01",
        "User-Agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148",
    })

    login_url = "https://app.bi.piao51.cn/cinema-app/credential/login.action"
    login_headers = {
        "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8",
        "Origin": "https://app.bi.piao51.cn",
    }
    login_data = {
        "username": username,
        "password": password,
        "type": "1",
        "resCode": res_code,
        "deviceid": device_id,
        "dtype": "ios",
    }

    try:
        response_login = session.post(login_url, headers=login_headers, data=login_data, allow_redirects=False, timeout=15)
        if not (300 <= response_login.status_code < 400 and "token" in session.cookies):
            st.error(f"登录步骤 1 失败，未能获取 Session Token。状态码: {response_login.status_code}")
            return None

        user_info_url = "https://app.bi.piao51.cn/cinema-app/security/logined.action"
        response_user_info = session.get(user_info_url, timeout=10)
        response_user_info.raise_for_status()

        user_info = response_user_info.json()
        if user_info.get("success") and user_info.get("data", {}).get("token"):
            token_data = user_info["data"]
            if save_token(token_data):
                st.toast("登录成功，已获取并保存新 Token！", icon="🔑")
            return token_data
        st.error(f"登录步骤 2 失败，未能从 JSON 中提取 Token。响应: {user_info.get('msg')}")
        return None

    except requests.exceptions.RequestException as e:
        st.error(f"登录请求过程中发生网络错误: {e}")
        return None


def fetch_hall_info(token):
    url = "https://cawapi.yinghezhong.com/showInfo/getShowHallInfo"
    params = {"token": token, "_": int(time.time() * 1000)}
    headers = {"Origin": "https://caw.yinghezhong.com", "User-Agent": "Mozilla/5.0"}
    response = requests.get(url, params=params, headers=headers, timeout=10)
    response.raise_for_status()
    data = response.json()
    if data.get("code") == 1 and data.get("data"):
        return {item["hallId"]: item["seatNum"] for item in data["data"]}
    raise Exception(f"获取影厅信息失败: {data.get('msg', '未知错误')}")


def fetch_schedule_data(token, show_date):
    url = "https://cawapi.yinghezhong.com/showInfo/getHallShowInfo"
    params = {"showDate": show_date, "token": token, "_": int(time.time() * 1000)}
    headers = {"Origin": "https://caw.yinghezhong.com", "User-Agent": "Mozilla/5.0"}
    response = requests.get(url, params=params, headers=headers, timeout=15)
    response.raise_for_status()
    data = response.json()
    if data.get("code") == 1:
        return data.get("data", [])
    if data.get("code") == 500:
        raise ValueError("Token 可能已失效")
    raise Exception(f"获取排片数据失败: {data.get('msg', '未知错误')}")


def get_api_data_with_token_management(show_date):
    token_data = load_token()
    token = token_data.get("token") if token_data else None
    if not token:
        token_data = login_and_get_token()
        if not token_data:
            return None, None
        token = token_data.get("token")

    try:
        schedule_list = fetch_schedule_data(token, show_date)
        hall_seat_map = fetch_hall_info(token)
        return schedule_list, hall_seat_map
    except ValueError:
        st.toast("Token 已失效，正在尝试重新登录并重试...", icon="🔄")
        token_data = login_and_get_token()
        if not token_data:
            return None, None
        token = token_data.get("token")
        try:
            schedule_list = fetch_schedule_data(token, show_date)
            hall_seat_map = fetch_hall_info(token)
            return schedule_list, hall_seat_map
        except Exception as e:
            st.error(f"重试获取数据失败: {e}")
            return None, None
    except Exception as e:
        st.error(f"获取 API 数据时发生错误: {e}")
        return None, None


@st.cache_data(show_spinner=False, ttl=600)
def fetch_canonical_movie_names(token, date_str):
    if not CINEMA_ID:
        return []
    url = "https://app.bi.piao51.cn/cinema-app/mycinema/movieSellGross.action"
    params = {
        "token": token,
        "startDate": date_str,
        "endDate": date_str,
        "dateType": "day",
        "cinemaId": CINEMA_ID,
    }
    headers = {
        "Host": "app.bi.piao51.cn",
        "X-Requested-With": "XMLHttpRequest",
        "jwt": "0",
        "Accept": "application/json, text/javascript, */*; q=0.01",
        "User-Agent": "Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148",
    }

    try:
        response = requests.get(url, params=params, headers=headers, timeout=10)
        response.raise_for_status()
        data = response.json()
        if data.get("code") == "A00000" and data.get("results"):
            return [
                item["movieName"]
                for item in data["results"]
                if item.get("movieName") and item["movieName"] != "总计"
            ]
    except Exception as e:
        print(f"获取标准电影名称失败: {e}")
    return []


def clean_movie_title(raw_title, canonical_names=None):
    if not isinstance(raw_title, str):
        return raw_title

    base_name = None

    if canonical_names:
        sorted_names = sorted(canonical_names, key=len, reverse=True)
        for name in sorted_names:
            if name in raw_title:
                base_name = name
                break

    if not base_name:
        base_name = raw_title.split(" ", 1)[0]

    raw_upper = raw_title.upper()
    suffix = ""

    if "HDR LED" in raw_upper:
        suffix = "（HDR LED）"
    elif "CINITY" in raw_upper:
        suffix = "（CINITY）"
    elif "杜比" in raw_upper or "DOLBY" in raw_upper:
        suffix = "（杜比视界）"
    elif "IMAX" in raw_upper:
        suffix = "（数字IMAX3D）" if "3D" in raw_upper else "（数字IMAX）"
    elif "巨幕" in raw_upper:
        suffix = "（中国巨幕立体）" if "立体" in raw_upper else "（中国巨幕）"
    elif "3D" in raw_upper:
        suffix = "（数字3D）"

    if suffix and suffix not in base_name:
        return f"{base_name}{suffix}"

    return base_name


def get_valid_token(force_refresh=False):
    token_data = None if force_refresh else load_token()
    if not token_data:
        token_data = login_and_get_token()
    if not token_data:
        return None
    return token_data.get("token")


def fetch_schedule_api_bundle(show_date):
    """
    一次性获取排程相关 API 原始数据：
    - getHallShowInfo（场次列表）
    - getShowHallInfo（影厅座位映射）
    - movieSellGross（标准影片名称）
    """
    schedule_list, hall_seat_map = get_api_data_with_token_management(show_date)
    if schedule_list is None or hall_seat_map is None:
        return None

    token_data = load_token()
    token = token_data.get("token") if token_data else None
    canonical_names = fetch_canonical_movie_names(token, show_date) if token else []

    return {
        "show_date": show_date,
        "token": token,
        "schedule_list": schedule_list,
        "hall_seat_map": hall_seat_map,
        "canonical_names": canonical_names,
    }


def process_schedule_dataframe(schedule_list, hall_seat_map, canonical_names=None):
    """将排程 API 原始数据整理成便于展示的表格。"""
    if not schedule_list:
        return pd.DataFrame()

    df = pd.DataFrame(schedule_list)
    if df.empty:
        return pd.DataFrame()

    df["座位数"] = df["hallId"].map(hall_seat_map or {}).fillna(0).astype(int)
    df.rename(
        columns={
            "movieName": "影片名称",
            "showStartTime": "放映时间",
            "soldBoxOffice": "总收入",
            "soldTicketNum": "总人次",
            "hallName": "影厅名称",
            "showEndTime": "散场时间",
        },
        inplace=True,
    )

    if "影片名称" in df.columns:
        df["影片名称_清洗后"] = df["影片名称"].apply(
            lambda x: clean_movie_title(x, canonical_names)
        )

    required_cols = [
        "影片名称",
        "影片名称_清洗后",
        "放映时间",
        "散场时间",
        "影厅名称",
        "座位数",
        "总收入",
        "总人次",
    ]
    for col in required_cols:
        if col not in df.columns:
            df[col] = None

    df = df[required_cols]
    for col in ["座位数", "总收入", "总人次"]:
        df[col] = pd.to_numeric(df[col], errors="coerce").fillna(0)

    return df