"""资料导入 API 测试（api-spec §8，5a 结构解析）。"""

from collections.abc import AsyncGenerator

import pytest
from httpx import ASGITransport, AsyncClient

from app.main import app


@pytest.fixture
async def client(auth_headers: dict[str, str]) -> AsyncGenerator[AsyncClient, None]:
    transport = ASGITransport(app=app)
    async with AsyncClient(
        transport=transport, base_url="http://test", headers=auth_headers
    ) as http_client:
        yield http_client


@pytest.fixture
async def character_id(client: AsyncClient) -> str:
    """从认证用户获取活跃角色 ID。"""
    resp = await client.get("/api/v1/characters/active")
    assert resp.status_code == 200
    return resp.json()["id"]


@pytest.mark.asyncio
async def test_create_import_text_parses_paragraphs(client: AsyncClient, character_id: str) -> None:
    resp = await client.post(
        f"/api/v1/characters/{character_id}/imports",
        json={
            "material_type": "background_story",
            "format": "text",
            "content": "第一段背景。\n\n第二段背景。",
            "title": "背景资料",
        },
    )
    assert resp.status_code == 200
    job = resp.json()
    assert job["id"].startswith("import_")
    assert job["status"] == "parsed"
    assert job["item_count"] == 2
    assert job["material_type"] == "background_story"

    items = await client.get(f"/api/v1/characters/{character_id}/imports/{job['id']}/items")
    assert items.status_code == 200
    body = items.json()
    assert body["total"] == 2
    assert body["items"][0]["item_type"] == "paragraph"


@pytest.mark.asyncio
async def test_create_import_chat_history_json(client: AsyncClient, character_id: str) -> None:
    resp = await client.post(
        f"/api/v1/characters/{character_id}/imports",
        json={
            "material_type": "chat_history",
            "format": "json",
            "content": '[{"role":"user","content":"你好"},{"role":"assistant","content":"你好呀"}]',
        },
    )
    assert resp.status_code == 200
    job = resp.json()
    assert job["item_count"] == 2
    items = (
        await client.get(f"/api/v1/characters/{character_id}/imports/{job['id']}/items")
    ).json()["items"]
    assert items[0]["item_type"] == "message"
    assert items[0]["role"] == "user"
    assert items[1]["role"] == "assistant"


@pytest.mark.asyncio
async def test_get_import_and_not_found(client: AsyncClient, character_id: str) -> None:
    created = (
        await client.post(
            f"/api/v1/characters/{character_id}/imports",
            json={"material_type": "diary", "content": "今天天气不错。"},
        )
    ).json()

    fetched = await client.get(f"/api/v1/characters/{character_id}/imports/{created['id']}")
    assert fetched.status_code == 200
    assert fetched.json()["id"] == created["id"]

    missing = await client.get(f"/api/v1/characters/{character_id}/imports/import_missing")
    assert missing.status_code == 404


@pytest.mark.asyncio
async def test_list_imports(client: AsyncClient, character_id: str) -> None:
    await client.post(
        f"/api/v1/characters/{character_id}/imports",
        json={"material_type": "diary", "content": "条目一"},
    )
    await client.post(
        f"/api/v1/characters/{character_id}/imports",
        json={"material_type": "diary", "content": "条目二"},
    )
    resp = await client.get(f"/api/v1/characters/{character_id}/imports")
    assert resp.status_code == 200
    assert resp.json()["total"] == 2


@pytest.mark.asyncio
async def test_upload_text_file(client: AsyncClient, character_id: str) -> None:
    resp = await client.post(
        f"/api/v1/characters/{character_id}/imports/upload",
        files={"file": ("note.txt", b"hello world\n\nsecond paragraph", "text/plain")},
        data={"title": "笔记"},
    )
    assert resp.status_code == 200
    job = resp.json()
    assert job["source_type"] == "uploaded_file"
    assert job["item_count"] == 2
    assert job["title"] == "笔记"


@pytest.mark.asyncio
async def test_upload_audio_stores_metadata_only(client: AsyncClient, character_id: str) -> None:
    resp = await client.post(
        f"/api/v1/characters/{character_id}/imports/upload",
        files={"file": ("sample.wav", b"fake audio bytes", "audio/wav")},
        data={
            "speaker_label": "人物本人",
            "consent_status": "granted",
            "usage_scope": "reference_only",
        },
    )
    assert resp.status_code == 200
    job = resp.json()
    assert job["material_type"] == "voice_sample"
    assert job["media_type"] == "audio"
    assert job["status"] == "uploaded"
    assert job["item_count"] == 0  # 媒体资料不切片


@pytest.mark.asyncio
async def test_create_import_rejects_empty_content(client: AsyncClient, character_id: str) -> None:
    resp = await client.post(
        f"/api/v1/characters/{character_id}/imports",
        json={"material_type": "background_story", "content": ""},
    )
    assert resp.status_code == 422