"""虎牙浏览器兑换的可选目标页：直播间 / 精英宝典 / 电竞宝典。

人工兑换时把账号登录态写入操作者自己的浏览器，再打开其中一个目标页：
- 直播间：直接进房间，适合在房间内完成的活动操作；
- 精英宝典：沿用绑定/充值活动的 zt 活动页（历史行为）；
- 电竞宝典：同一活动的另一个 zt 活动页，仅 uuid 不同。

三个地址都由 pid（`HuyaConfig.room_pid`）与固定活动常量拼出，前端只传目标 key。
"""

from __future__ import annotations

from .huya_runner_bind import HUYA_BIND_ROOM_ID, HUYA_BIND_ZT_UUID
from .huya_runner_core import HUYA_RECHARGE_SOURCE_ID

EXCHANGE_TARGET_LIVE_ROOM = "live_room"
EXCHANGE_TARGET_ELITE = "elite"
EXCHANGE_TARGET_ESPORTS = "esports"

#: 未指定目标时使用的默认页（保持历史行为：精英宝典）
DEFAULT_EXCHANGE_TARGET = EXCHANGE_TARGET_ELITE

#: 精英宝典复用绑定/充值活动 uuid；电竞宝典为独立的 zt 活动 uuid
HUYA_ELITE_ZT_UUID = HUYA_BIND_ZT_UUID
HUYA_ESPORTS_ZT_UUID = "50ea007f"

#: 选择器展示顺序
EXCHANGE_TARGET_KEYS: tuple[str, ...] = (
    EXCHANGE_TARGET_LIVE_ROOM,
    EXCHANGE_TARGET_ELITE,
    EXCHANGE_TARGET_ESPORTS,
)

EXCHANGE_TARGET_LABELS: dict[str, str] = {
    EXCHANGE_TARGET_LIVE_ROOM: "直播间",
    EXCHANGE_TARGET_ELITE: "精英宝典",
    EXCHANGE_TARGET_ESPORTS: "电竞宝典",
}

#: 供 Pydantic 校验使用的正则
EXCHANGE_TARGET_PATTERN = "^(live_room|elite|esports)$"


def _zt_exchange_url(zt_uuid: str, room_pid: str) -> str:
    """拼 zt 活动页地址，参数与绑定/充值跳转保持一致。"""
    return (
        f"https://zt.huya.com/{zt_uuid}/pc/index.html"
        f"?sourceId={HUYA_RECHARGE_SOURCE_ID}"
        f"&pid={room_pid}"
        f"&anchorUid={room_pid}"
        f"&roomid={HUYA_BIND_ROOM_ID}"
    )


def exchange_target_url(key: str, room_pid: str) -> str:
    """返回指定目标页地址；pid 由调用方（路由）归一化，空值在这里会拼出无 pid 的地址。"""
    pid = str(room_pid or "").strip()
    if key == EXCHANGE_TARGET_LIVE_ROOM:
        return f"https://www.huya.com/{HUYA_BIND_ROOM_ID}"
    if key == EXCHANGE_TARGET_ELITE:
        return _zt_exchange_url(HUYA_ELITE_ZT_UUID, pid)
    if key == EXCHANGE_TARGET_ESPORTS:
        return _zt_exchange_url(HUYA_ESPORTS_ZT_UUID, pid)
    raise ValueError(f"不支持的兑换目标：{key}")


def exchange_target_options(room_pid: str) -> list[dict[str, str]]:
    """返回三个可选目标页，顺序固定，供前端选择器渲染。"""
    return [
        {
            "key": key,
            "label": EXCHANGE_TARGET_LABELS[key],
            "url": exchange_target_url(key, room_pid),
        }
        for key in EXCHANGE_TARGET_KEYS
    ]