"""GovDoc 与 Video-Tree 最小接入冒烟(2026-07-20 拍板: 两个项目都做)。

复刻两项目的真实调用点形态,对真实网关跑一次治理调用,证明"调用点零改动
迁移"成立;并验证 VT 现有平铺键名(LLM_TIMEOUT 等)可直接装配。
reference/ 只读——本文件只 import 其 Protocol,绝不修改。
"""

import os
import sys
from pathlib import Path

import pytest
from dotenv import dotenv_values

from polygateway import GatewayClient

_REPO = Path(__file__).resolve().parents[2]
_ENV = {k: v for k, v in {**dotenv_values(".env"), **os.environ}.items() if v is not None}
_HAS_SOURCE = any(k.split("__")[0] == "LLM" and k.endswith("__API_KEY") for k in _ENV)

pytestmark = pytest.mark.skipif(
    not _HAS_SOURCE, reason="需真实网关凭据: 在 .env 配置 LLM__{PROVIDER}__1__*"
)


@pytest.fixture
async def client():
    c = GatewayClient.from_env("LLM", env=_ENV)
    yield c
    await c.aclose()


class TestGovDocOnboarding:
    """GovDoc agent/loop.py:377 调用形态: session_id + parent_call_id。"""

    async def test_call_site_shape_runs_governed(self, client):
        response = await client.chat(
            [{"role": "user", "content": "Reply with exactly: govdoc-ok"}],
            session_id="govdoc-e2e",
            parent_call_id="step-1",
        )
        assert response.content.strip()
        assert response.call_id  # GovernedLLMClient 契约字段全在

    async def test_structural_protocol_match(self, client):
        sys.path.insert(0, str(_REPO / "reference/GovDoc-SaaS/packages/docagent-core/src"))
        try:
            from docagent_core.protocols import LLMProvider
        except ImportError:
            pytest.skip("GovDoc protocols 依赖不可导入(结构断言已由单测兜底覆盖)")
        finally:
            sys.path.pop(0)
        assert isinstance(client, LLMProvider)


class TestVideoTreeOnboarding:
    """VT loop.py:336 调用形态: session_id + cache_salt(跨 epoch 重采样)。"""

    async def test_call_site_shape_with_cache_salt(self, client):
        response = await client.chat(
            [{"role": "user", "content": "Reply with exactly: vt-ok"}],
            session_id="vt-e2e",
            cache_salt="epoch-1",
        )
        assert response.content.strip()

    async def test_flat_legacy_keys_assemble(self):
        """VT 现有键名(LLM_TIMEOUT/LLM_MAX_RETRIES 等)零改名装配成功。"""
        source_keys = {k: v for k, v in _ENV.items() if k.split("__")[0] == "LLM" and "__" in k}
        flat_env = {
            **source_keys,
            "LLM_TIMEOUT": "120",
            "LLM_MAX_RETRIES": "3",
            "LLM_RETRY_BASE_DELAY": "2.0",
            "LLM_RETRY_MAX_DELAY": "30.0",
            "LLM_CIRCUIT_BREAKER_THRESHOLD": "5",
            "LLM_CIRCUIT_BREAKER_COOLDOWN": "60",
            "LLM_TTFT_TIMEOUT": "30",
            "LLM_INTER_TOKEN_TIMEOUT": "15",
            "PGW_CACHE_BACKEND": "none",
            "PGW_TELEMETRY_BACKEND": "none",
        }
        client = GatewayClient.from_env("LLM", env=flat_env)
        try:
            resp = await client.chat([{"role": "user", "content": "Reply: flat-ok"}])
            assert resp.content.strip()
        finally:
            await client.aclose()