"""Интеграционные тесты HTTP-эндпоинтов (Flask test client)."""
import io
import zipfile

import pytest


@pytest.fixture
def client(tmp_path, monkeypatch):
    from db import connection as conn
    monkeypatch.setattr(conn, "DB_PATH", str(tmp_path / "app.db"))
    from app import create_app
    app = create_app()
    app.config["TESTING"] = True
    yield app.test_client()
    c = getattr(conn._local, "conn", None)
    if c is not None:
        try:
            c.close()
        except Exception:
            pass
        conn._local.conn = None


class TestHealth:
    def test_health(self, client):
        from config import VERSION
        r = client.get("/health")
        assert r.status_code == 200
        data = r.get_json()
        assert data["ok"] is True
        assert data["version"] == VERSION


class TestSpecCurrent:
    def test_missing_contract_id(self, client):
        r = client.get("/api/spec-current")
        assert r.status_code == 400

    def test_empty(self, client):
        r = client.get("/api/spec-current?contract_id=missing")
        assert r.status_code == 200
        data = r.get_json()
        assert data["ok"] is True
        assert data["rows"] == []


class TestUpload:
    def test_no_file(self, client):
        r = client.post("/upload", data={})
        assert r.status_code == 400

    def test_unsupported_ext(self, client):
        data = {"files": (io.BytesIO(b"x"), "test.exe")}
        r = client.post("/upload", data=data, content_type="multipart/form-data")
        assert r.status_code == 400

    def test_docx_creates_document(self, client):
        data = {"files": (io.BytesIO(b"not a real docx"), "test.docx")}
        r = client.post("/upload", data=data, content_type="multipart/form-data")
        assert r.status_code == 200
        j = r.get_json()
        assert j["ok"] is True
        assert j["doc_id"]


class TestUnzipUpload:
    def test_unzip(self, client):
        buf = io.BytesIO()
        with zipfile.ZipFile(buf, "w") as zf:
            zf.writestr("a.docx", b"hello")
            zf.writestr("b.pdf", b"world")
        buf.seek(0)
        data = {"files": (buf, "test.zip")}
        r = client.post("/unzip-upload", data=data, content_type="multipart/form-data")
        assert r.status_code == 200
        j = r.get_json()
        assert j["ok"] is True
        assert len(j["files"]) == 2


class TestGroups:
    def test_missing_batch(self, client):
        r = client.get("/api/groups")
        assert r.status_code == 400