"""持久化网页配置：账号数 / 接码 URL / 邮件助手 / CPA 等。"""
from __future__ import annotations

import json
import os
import threading
from dataclasses import asdict, dataclass, field, fields

CONFIG_PATH = os.path.join(os.path.dirname(os.path.abspath(__file__)), "config.local.json")
_LOCK = threading.Lock()


@dataclass
class AppConfig:
    # 注册控制
    account_count: int = 1
    headless: bool = False

    # 邮件
    mail_helper_url: str = "http://ali.ss5.xyz:17373"
    mail_domain: str = "edu.a4sky.com"
    mail_poll_interval_sec: int = 4
    mail_poll_max_attempts: int = 60  # 4s * 60 = 4min

    # PayPal / 接码
    phone_e164: str = "+15822201173"
    sms_api_url: str = "http://a.62-us.com/api/get_sms?key=a5d3262e05efaba982aba7cfae20b8bc"
    # 代理（两个字段独立配置）：
    #   proxy_url         — 全局代理（ChatGPT 注册 / 长链 / PayPal 都走）。空 = 全程直连。
    #   paypal_only_proxy — 仅 PayPal 阶段用的代理。空 = PayPal 沿用 proxy_url（或直连）。
    # 典型搭配：proxy_url 留空（注册直连，避免代理屏蔽 chatgpt.com），paypal_only_proxy 填代理。
    proxy_url: str = ""
    paypal_only_proxy: str = ""
    paypal_proxy: str = ""     # 旧字段（保留向后兼容；如填了且 paypal_only_proxy/proxy_url 都为空，会迁移到 paypal_only_proxy）

    # CPA
    cpa_url: str = ""
    cpa_management_key: str = ""

    # 调试
    use_promo: bool = True

    # 长链生成方式
    #   payurl — 走 payurl.ark2.cn 第三方中转（默认）
    #   local  — 本地直连 chatgpt.com/backend-api/payments/checkout（需代理）
    long_link_mode: str = "payurl"
    long_link_proxy: str = "http://dinzitsz:n6wtkhg64jqq@82.24.43.35:6242/"  # 本地长链生成用的代理（仅 local 模式生效）

    # API / 外网访问
    api_host: str = "0.0.0.0"   # 改成 "0.0.0.0" 即可外网访问
    api_port: int = 7791
    api_token: str = ""           # 留空 = 不校验；非空时所有 /api/* 请求需 Authorization: Bearer <token>
    api_cors_origin: str = "*"    # CORS Allow-Origin，可填具体域名或 *

    @classmethod
    def load(cls) -> "AppConfig":
        if not os.path.exists(CONFIG_PATH):
            return cls()
        try:
            with open(CONFIG_PATH, "r", encoding="utf-8") as f:
                raw = json.load(f)
        except Exception:
            return cls()
        valid = {f.name for f in fields(cls)}
        cleaned = {k: v for k, v in (raw or {}).items() if k in valid}
        return cls(**cleaned)

    def save(self):
        with _LOCK:
            with open(CONFIG_PATH, "w", encoding="utf-8") as f:
                json.dump(asdict(self), f, ensure_ascii=False, indent=2)

    def update(self, patch: dict) -> "AppConfig":
        valid = {f.name for f in fields(self)}
        for k, v in (patch or {}).items():
            if k not in valid:
                continue
            current = getattr(self, k)
            if isinstance(current, bool):
                setattr(self, k, bool(v) if not isinstance(v, str) else v.lower() in ("1", "true", "yes", "on"))
            elif isinstance(current, int):
                try:
                    setattr(self, k, int(v))
                except Exception:
                    pass
            else:
                setattr(self, k, "" if v is None else str(v))
        # 向后兼容：旧字段 paypal_proxy → 新字段 paypal_only_proxy（之前一段时间它被错误地等价于 proxy_url）
        if self.paypal_proxy and not self.paypal_only_proxy and not self.proxy_url:
            self.paypal_only_proxy = self.paypal_proxy
        self.save()
        return self

    @property
    def effective_global_proxy(self) -> str:
        """ChatGPT 注册 / 长链 / 默认浏览器 context 用的代理。空 = 直连。"""
        return (self.proxy_url or "").strip()

    @property
    def effective_paypal_proxy(self) -> str:
        """PayPal 阶段用的代理，独立字段优先；否则继承 proxy_url。空 = 直连。"""
        return (self.paypal_only_proxy or self.proxy_url or "").strip()

    # 兼容旧调用：先前 chatgpt_flow 用了 effective_proxy
    @property
    def effective_proxy(self) -> str:
        return self.effective_global_proxy