"""本地直传 → 建报告全链路（无 COS 降级路线）。

dev-token 登录 → POST /uploads/direct 上传原始字节 → 拿真实 object_key →
POST /reports 建报告走通；模拟 key 被存在性校验以 404 挡住，且不消耗配额。
不启真 celery：API 投递钩子替换为 no-op（与 test_report_flow 同口径）。
"""

from __future__ import annotations

import os
import uuid
from collections.abc import AsyncIterator
from typing import Any

import pytest


def _infra_available() -> bool:
    return bool(os.getenv("MEIDA_RUN_INTEGRATION"))


pytestmark = [
    pytest.mark.integration,
    pytest.mark.skipif(
        not _infra_available(),
        reason="set MEIDA_RUN_INTEGRATION=1 with PostgreSQL and Redis running",
    ),
]

JPEG_BYTES = b"\xff\xd8\xff\xe0" + b"\x00" * 64


@pytest.fixture
def no_enqueue(monkeypatch: pytest.MonkeyPatch) -> None:
    """不向真 Redis 投递：本用例只验证「上传 → 建报告」入口，不跑 worker。"""
    monkeypatch.setattr("apps.api.routers.reports._enqueue_report", lambda task_id: None)


@pytest.fixture
async def client(no_enqueue: None) -> AsyncIterator[Any]:
    import httpx

    from apps.api.main import create_app
    from packages.shared.config import get_settings

    app = create_app(get_settings())
    transport = httpx.ASGITransport(app=app)
    async with (
        httpx.AsyncClient(transport=transport, base_url="http://test") as http,
        app.router.lifespan_context(app),
    ):
        yield http


async def _login(client: Any) -> tuple[dict[str, str], int]:
    """dev-token：每个用例独立 device_key，拿到的就是全新用户。"""
    resp = await client.post(
        "/api/v1/auth/dev-token", json={"device_key": f"upload-it-{uuid.uuid4().hex[:8]}"}
    )
    assert resp.json()["code"] == 0
    data = resp.json()["data"]
    return {"Authorization": f"Bearer {data['access_token']}"}, int(data["user_id"])


async def _upload(client: Any, headers: dict[str, str]) -> str:
    resp = await client.post(
        "/api/v1/uploads/direct?scene=report_photo",
        headers={**headers, "Content-Type": "image/jpeg"},
        content=JPEG_BYTES,
    )
    assert resp.status_code == 200
    return str(resp.json()["data"]["object_key"])


async def test_direct_upload_then_create_report_with_real_key(client: Any) -> None:
    headers, user_id = await _login(client)

    object_key = await _upload(client, headers)
    assert object_key.startswith(f"report_photo/{user_id}/")
    assert object_key.endswith(".jpg")

    resp = await client.post(
        "/api/v1/reports",
        headers=headers,
        json={
            "questionnaire": {"style": "通勤"},
            "photo_object_key": object_key,
            "request_key": f"rk-{uuid.uuid4().hex}",
        },
    )
    assert resp.status_code == 200
    body = resp.json()["data"]
    assert body["status"] == "pending"

    # 落盘的输入行应记录真实 object_key。
    from sqlalchemy import select

    from packages.shared.db import session_scope
    from packages.shared.models import RpInput

    async with session_scope() as session:
        result = await session.execute(
            select(RpInput).where(RpInput.report_id == int(body["report_id"]))
        )
        rp_input = result.scalar_one()
    assert rp_input.photo_meta == {"object_key": object_key}


async def test_create_report_with_mock_key_is_rejected_404_without_reserving_quota(
    client: Any,
) -> None:
    headers, user_id = await _login(client)

    resp = await client.post(
        "/api/v1/reports",
        headers=headers,
        json={
            "questionnaire": {},
            "photo_object_key": f"report_photo/{user_id}/mock123.jpg",  # 布局合法的模拟键
            "request_key": f"rk-{uuid.uuid4().hex}",
        },
    )
    assert resp.status_code == 404
    assert resp.json()["code"] == 40400

    # 拒绝发生在配额预扣之前：终身配额流水必须为空。
    from sqlalchemy import func, select

    from packages.shared.db import session_scope
    from packages.shared.models import Ledger

    async with session_scope() as session:
        result = await session.execute(
            select(func.count())
            .select_from(Ledger)
            .where(Ledger.user_id == user_id, Ledger.quota_key == "report_basic")
        )
        assert int(result.scalar_one()) == 0


async def test_direct_upload_requires_auth(client: Any) -> None:
    resp = await client.post(
        "/api/v1/uploads/direct?scene=report_photo",
        headers={"Content-Type": "image/jpeg"},
        content=JPEG_BYTES,
    )
    assert resp.status_code == 401
    assert resp.json()["code"] == 40100


async def test_direct_upload_rejects_disallowed_type_and_scene(client: Any) -> None:
    headers, _ = await _login(client)

    bad_type = await client.post(
        "/api/v1/uploads/direct?scene=report_photo",
        headers={**headers, "Content-Type": "application/pdf"},
        content=JPEG_BYTES,
    )
    assert bad_type.status_code == 400
    assert bad_type.json()["code"] == 40010

    bad_scene = await client.post(
        "/api/v1/uploads/direct?scene=evil",
        headers={**headers, "Content-Type": "image/jpeg"},
        content=JPEG_BYTES,
    )
    assert bad_scene.status_code == 400
    assert bad_scene.json()["code"] == 40010