"""
Brief API 集成测试

TDD 测试用例 - 测试 Brief 相关 API 接口

接口规范参考：DevelopmentPlan.md 第 7 章
"""

import pytest
from typing import Any

from httpx import AsyncClient, ASGITransport
from app.main import app


@pytest.fixture
async def auth_headers():
    """获取认证头"""
    transport = ASGITransport(app=app)
    async with AsyncClient(transport=transport, base_url="http://test") as client:
        login_response = await client.post("/api/v1/auth/login", json={
            "email": "agency@test.com",
            "password": "password"
        })
        token = login_response.json()["access_token"]
        return {"Authorization": f"Bearer {token}"}


class TestBriefUploadAPI:
    """Brief 上传 API 测试"""

    @pytest.mark.integration
    @pytest.mark.asyncio
    async def test_upload_brief_pdf_success(self, auth_headers) -> None:
        """测试 Brief PDF 上传成功"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post(
                "/api/v1/briefs/upload",
                files={"file": ("brief.pdf", b"PDF content", "application/pdf")},
                data={"task_id": "task_001", "platform": "douyin"},
                headers=auth_headers
            )

            assert response.status_code == 202
            data = response.json()
            assert "parsing_id" in data
            assert data["status"] == "processing"

    @pytest.mark.integration
    @pytest.mark.asyncio
    async def test_upload_unsupported_format_returns_400(self, auth_headers) -> None:
        """测试不支持的格式返回 400"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post(
                "/api/v1/briefs/upload",
                files={"file": ("test.exe", b"content", "application/octet-stream")},
                data={"task_id": "task_001"},
                headers=auth_headers
            )

            assert response.status_code == 400
            assert "Unsupported file format" in response.json()["detail"]

    @pytest.mark.integration
    @pytest.mark.asyncio
    async def test_upload_without_auth_returns_401(self) -> None:
        """测试无认证返回 401"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post(
                "/api/v1/briefs/upload",
                files={"file": ("brief.pdf", b"content", "application/pdf")},
                data={"task_id": "task_001"}
            )

            assert response.status_code == 401


class TestBriefParsingAPI:
    """Brief 解析结果 API 测试"""

    @pytest.mark.integration
    @pytest.mark.asyncio
    async def test_get_parsing_result_success(self, auth_headers) -> None:
        """测试获取解析结果成功"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.get(
                "/api/v1/briefs/brief_001",
                headers=auth_headers
            )

            assert response.status_code == 200
            data = response.json()
            assert "selling_points" in data
            assert "forbidden_words" in data
            assert "brand_tone" in data

    @pytest.mark.integration
    @pytest.mark.asyncio
    async def test_get_nonexistent_brief_returns_404(self, auth_headers) -> None:
        """测试获取不存在的 Brief 返回 404"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.get(
                "/api/v1/briefs/nonexistent_id",
                headers=auth_headers
            )

            assert response.status_code == 404


class TestOnlineDocumentImportAPI:
    """在线文档导入 API 测试"""

    @pytest.mark.integration
    @pytest.mark.asyncio
    async def test_import_feishu_doc_success(self, auth_headers) -> None:
        """测试飞书文档导入成功"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post(
                "/api/v1/briefs/import",
                json={
                    "url": "https://docs.feishu.cn/docs/valid_doc_id",
                    "task_id": "task_001"
                },
                headers=auth_headers
            )

            assert response.status_code == 202

    @pytest.mark.integration
    @pytest.mark.asyncio
    async def test_import_unauthorized_link_returns_403(self, auth_headers) -> None:
        """测试无权限链接返回 403"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post(
                "/api/v1/briefs/import",
                json={
                    "url": "https://docs.feishu.cn/docs/restricted_doc",
                    "task_id": "task_001"
                },
                headers=auth_headers
            )

            assert response.status_code == 403


class TestRuleConflictAPI:
    """规则冲突检测 API 测试"""

    @pytest.mark.integration
    @pytest.mark.asyncio
    async def test_detect_rule_conflict(self, auth_headers) -> None:
        """测试规则冲突检测"""
        transport = ASGITransport(app=app)
        async with AsyncClient(transport=transport, base_url="http://test") as client:
            response = await client.post(
                "/api/v1/briefs/brief_001/check_conflicts",
                json={"platform": "douyin"},
                headers=auth_headers
            )

            assert response.status_code == 200
            data = response.json()
            assert "conflicts" in data