"""Read YYB's official order list after a payment is completed."""
from __future__ import annotations

from typing import Any

from curl_cffi import requests

ORDER_LIST_URL = (
    "https://ydd.yyb.qq.com/trpc.wesee_live.private_domain_creator_shop_svr."
    "private_domain_creator_shop_svr/GetPrivateDomainOrderList"
)
USER_AGENT = (
    "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) "
    "AppleWebKit/537.36 (KHTML, like Gecko) Chrome/151.0.0.0 Safari/537.36"
)


def get_official_orders(cookies: dict[str, str], count: int = 20) -> dict[str, Any]:
    """Fetch the same completed-order list used by YYB's success page."""
    response = requests.post(
        ORDER_LIST_URL,
        json={"count": count, "breakpoint": 0, "type": 1},
        headers={
            "Accept": "application/json, text/plain, */*",
            "Origin": "https://m.yyb.qq.com",
            "Referer": "https://m.yyb.qq.com/boc-mall/goods-mall/product-order-success",
            "User-Agent": USER_AGENT,
        },
        cookies=cookies,
        impersonate="chrome",
        timeout=30,
    )
    if response.status_code != 200:
        raise RuntimeError(f"订单状态查询失败: HTTP {response.status_code}")
    try:
        document = response.json()
    except ValueError as exc:
        raise RuntimeError("订单状态查询返回非 JSON") from exc
    if not isinstance(document, dict):
        raise RuntimeError("订单状态查询响应格式异常")
    if document.get("ret_code") not in (None, 0, "0"):
        raise RuntimeError(
            f"订单状态查询失败: {document.get('ret_code')} {document.get('ret_msg', '')}"
        )
    if not isinstance(document.get("list", []), list):
        raise RuntimeError("订单状态查询响应缺少 list")
    return document


def order_ids(document: dict[str, Any]) -> set[str]:
    """Return the stable order IDs visible in an order-list response."""
    return {
        str(item["order_id"])
        for item in document.get("list", [])
        if isinstance(item, dict) and item.get("order_id") not in (None, "")
    }


def is_finished(item: dict[str, Any]) -> bool:
    """YYB's completed-order representation observed on product-order-success."""
    return item.get("is_finished") is True and item.get("status") in (1, "1")


def order_completion_states(document: dict[str, Any]) -> dict[str, bool]:
    """Snapshot whether each currently visible order is completed."""
    return {
        str(item["order_id"]): is_finished(item)
        for item in document.get("list", [])
        if isinstance(item, dict) and item.get("order_id") not in (None, "")
    }


def find_completed_order(document: dict[str, Any], previous_states: dict[str, bool]) -> dict[str, Any] | None:
    """Find an order that appeared or transitioned to completed after the QR display."""
    for item in document.get("list", []):
        if not isinstance(item, dict):
            continue
        order_id = str(item.get("order_id", ""))
        if order_id and is_finished(item) and not previous_states.get(order_id, False):
            return item
    return None


def completion_summary(item: dict[str, Any]) -> dict[str, Any]:
    """Persist only the state needed to identify a confirmed completion."""
    return {
        "order_id": str(item.get("order_id", "")),
        "is_finished": item.get("is_finished"),
        "status": item.get("status"),
    }