from django.urls import reverse

from apps.audit.models import AgentAuditLog
from apps.documents.models import UploadedDocument


def test_chat_post_returns_agent_result_and_audit_log(client, db):
    response = client.post(
        reverse("chat:index", args=["knowledge_qa"]),
        {"message": "如何处理异常？"},
    )

    assert response.status_code == 200
    content = response.content.decode("utf-8")
    assert "mock-model" in content
    assert "模拟回答" in content
    assert AgentAuditLog.objects.count() == 1


def test_chat_rejects_empty_message(client, db):
    response = client.post(reverse("chat:index", args=["knowledge_qa"]), {"message": ""})

    assert response.status_code == 200
    assert AgentAuditLog.objects.count() == 0
    assert "请输入要咨询的问题" in response.content.decode("utf-8")


def test_chat_passes_selected_document_ids_to_agent_core(client, db, monkeypatch):
    selected = UploadedDocument.objects.create(
        scenario_id="knowledge_qa",
        original_name="selected.md",
        file_type="md",
        size=1,
        status=UploadedDocument.STATUS_INDEXED,
    )
    other = UploadedDocument.objects.create(
        scenario_id="knowledge_qa",
        original_name="other.md",
        file_type="md",
        size=1,
        status=UploadedDocument.STATUS_INDEXED,
    )
    captured = {}

    def fake_run_agent(scenario_config, user_input, options=None):
        captured["options"] = options or {}
        from agent_core.results import AgentResult

        return AgentResult(answer="ok", status="success")

    monkeypatch.setattr("apps.chat.views.run_agent", fake_run_agent)

    response = client.post(
        reverse("chat:index", args=["knowledge_qa"]),
        {"message": "只查选中文档", "document_ids": [str(selected.id)]},
    )

    assert response.status_code == 200
    assert captured["options"]["document_ids"] == [selected.id]
    assert other.id not in captured["options"]["document_ids"]