"""与站点和凭据状态有关的子命令：endpoint / whoami。"""

import sys
import time

from client import fmt_ts, make_client, mask, note, token_expiry
from creds import bucket_name_for, get_bucket, resolve_api_url, save_creds, load_creds, CREDS_PATH
from errors import ApiError, WpError, explain_api_error
from sites import SITES, expand_site_alias, normalize_api_url, site_label


def cmd_endpoint(args):
    creds = load_creds()
    current_url, source = resolve_api_url(getattr(args, "api", None), creds)

    if not args.target:
        for idx, site in enumerate(SITES, 1):
            mark = "  ← 当前" if site["url"] == current_url else ""
            print(f"  {idx}) {site['url']:<32} {site['version']} · {site['domain']}{mark}")
        if source in ("cli", "env"):
            src = "--api" if source == "cli" else "WIKIPALI_API_URL"
            note(f"注意：当前地址来自 {src}，是一次性覆盖，未写入凭据文件。")
        if current_url not in [s["url"] for s in SITES]:
            print(f"  *) {current_url:<32} 自定义地址  ← 当前")
        print("\n切换：python3 wp.py endpoint <序号|www|www.cc|next|next.cc|local|完整url>")
        return 0

    url = normalize_api_url(expand_site_alias(args.target))
    name = bucket_name_for(url)
    bucket = get_bucket(creds, name, url)
    bucket["api_url"] = url
    creds["current"] = name
    save_creds(creds)
    print(f"已切换到 {url}（{site_label(url)}）")
    if name != "online":
        note("提示：该地址与线上四站不共用数据库/密钥，凭据是独立的一桶，可能需要重新登录。")
    return 0


def cmd_whoami(args):
    client = make_client(args)
    print(f"API      : {client.api_note()}")
    print(f"凭据文件 : {CREDS_PATH}（桶：{client.bucket_name}）")

    user = client.bucket.get("user") or {}
    if user.get("token"):
        exp = token_expiry(user["token"])
        expired = exp is not None and exp < time.time()
        print(f"用户     : {user.get('username', '?')}  uid={user.get('uid', '?')}")
        print(f"           token {mask(user['token'])}  到期 {fmt_ts(exp)}{'  ⚠ 已过期' if expired else ''}")
    else:
        print("用户     : 未登录（! python3 scripts/wp_login.py）")

    model = client.bucket.get("model") or {}
    if model.get("token"):
        exp = token_expiry(model["token"])
        expired = exp is not None and exp < time.time()
        print(f"模型     : {model.get('name', '?')}  uid={model.get('uid', '?')}")
        print(f"           token {mask(model['token'])}  到期 {fmt_ts(exp)}{'  ⚠ 已过期' if expired else ''}")
    else:
        print("模型     : 未建立（python3 wp.py ensure-model --name <模型名>）")

    tokens = client.bucket.get("access_tokens") or {}
    if tokens:
        print("access token：")
        for uid, item in tokens.items():
            exp = item.get("exp") or token_expiry(item.get("token", ""))
            expired = exp is not None and exp < time.time()
            book = item.get("book", 0)
            scope = "全部 book" if book == 0 else f"book {book}"
            name = item.get("channel_name") or ""
            print(f"  {uid[:8]}… {name:<24} {scope:<10} 到期 {fmt_ts(exp)}{'  ⚠ 已过期' if expired else ''}")
    else:
        print("access token：无（python3 wp.py grant <channel>）")

    if args.check:
        try:
            data = client.call("GET", "v2/auth/current", token=client.user_token)
        except ApiError as exc:
            raise explain_api_error(exc, "校验用户 token")
        print(f"\n服务端确认：{data.get('nickName')} / realName={data.get('realName')}（studio_name 用它）")
    return 0