"""端到端集成测试."""

import tempfile
import os
import pytest
from hermes_core.types import HERMES_DATA_DIR as _ORIG_DIR
from hermes_core.querier import HermesClient

pytestmark = pytest.mark.requires_embedder


@pytest.fixture(autouse=True)
def temp_data_dir(monkeypatch):
    """将 HERMES_DATA_DIR 重定向到临时目录。"""
    tmp = tempfile.mkdtemp()
    monkeypatch.setattr("hermes_core.types.HERMES_DATA_DIR", type(_ORIG_DIR)(tmp))
    # Also patch all modules that import HERMES_DATA_DIR
    import hermes_core.db as db_module
    import hermes_core.trainer as trainer_module
    monkeypatch.setattr(db_module, "HERMES_DATA_DIR", type(_ORIG_DIR)(tmp))
    monkeypatch.setattr(trainer_module, "HERMES_DATA_DIR", type(_ORIG_DIR)(tmp))
    yield tmp
    import shutil
    shutil.rmtree(tmp, ignore_errors=True)


class TestE2EFlow:
    def test_full_flow_record_query_refine(self):
        """完整链路：record → query → refine → query。"""
        client = HermesClient(user_id="u_e2e", agent_id="test-agent")

        # Step 1: 记录第二条（2 维）
        r1 = client.record(
            "后端API开发",
            [
                {"key": "language", "value": "TypeScript", "context": "默认"},
                {"key": "framework", "value": "Express", "context": "默认"},
            ],
        )
        assert r1["status"] == "recorded"

        # Step 2: 语义相似的 query 应匹配到 scope
        result = client.query("帮我写一个后端API服务")
        assert result.matched_scope is not None
        assert any(p.key == "language" and p.value == "TypeScript"
                   for p in result.related_preferences)

        # Step 3: refine —— narrow
        from hermes_core.refiner import refine_scene
        from hermes_core.embedder import Embedder
        embedder = Embedder()
        ref = refine_scene("u_e2e", r1["id"], "Express REST API开发",
                           "narrow", embedder)
        assert ref["status"] == "refined"

        # Step 4: query 现在应匹配到细化的 scope
        result2 = client.query("Express REST API服务端开发")
        assert result2.matched_scope is not None

    def test_dimension_constraint_blocks_lower_dim(self):
        """维度约束：低维记录应被拒绝。"""
        client = HermesClient(user_id="u_e2e_dim", agent_id="test")

        r1 = client.record(
            "数据处理",
            [
                {"key": "language", "value": "Python", "context": ""},
                {"key": "lib", "value": "Pandas", "context": ""},
                {"key": "style", "value": "functional", "context": ""},
            ],
        )
        assert r1["status"] == "recorded"

        r2 = client.record(
            "数据处理",
            [{"key": "language", "value": "R", "context": ""}],
        )
        assert r2["status"] == "rejected"
        assert "dimension" in r2["reason"].lower()

    def test_conversation_id_relaxes_constraint(self):
        """同会话内维度约束松弛。"""
        client = HermesClient(user_id="u_e2e_conv", agent_id="test")
        conv_id = "conv_e2e_001"

        r1 = client.record(
            "前端开发",
            [
                {"key": "framework", "value": "React", "context": ""},
                {"key": "language", "value": "TypeScript", "context": ""},
            ],
            conversation_id=conv_id,
        )
        assert r1["status"] == "recorded"

        r2 = client.record(
            "前端开发",
            [{"key": "testing", "value": "Vitest", "context": ""}],
            conversation_id=conv_id,
        )
        assert r2["status"] == "recorded"  # 同对话，不拒绝

    def test_multiple_scopes_created_automatically(self):
        """不同话题自动创建不同 scope。"""
        client = HermesClient(user_id="u_e2e_multi", agent_id="test")

        r1 = client.record("后端API开发", [{"key": "lang", "value": "TS", "context": ""}])
        r2 = client.record("周末去哪玩", [{"key": "pref", "value": "户外", "context": ""}])

        assert r1["scope_id"] != r2["scope_id"]  # 不同 scope
        assert r1["status"] == "recorded"
        assert r2["status"] == "recorded"