from __future__ import annotations

import base64
import uuid

import pytest
from httpx import AsyncClient
from sqlalchemy.ext.asyncio import AsyncSession

from app.db.models import Document, IngestStatus, Report, ReportStatus


def _tiny_png_bytes() -> bytes:
    # 1x1 PNG
    return base64.b64decode(
        "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAwMCAO6q3d8AAAAASUVORK5CYII="
    )


@pytest.mark.asyncio
async def test_photo_policy_endpoint_returns_sections(async_client: AsyncClient, test_db: AsyncSession) -> None:
    tenant_id = "tenant_test"
    doc = Document(
        id=str(uuid.uuid4()),
        tenant_id=tenant_id,
        filename="x.pdf",
        file_path="C:/tmp/x.pdf",
        status=IngestStatus.complete,
        survey_level=3,
    )
    rep = Report(
        id=str(uuid.uuid4()),
        tenant_id=tenant_id,
        document_id=doc.id,
        status=ReportStatus.pending,
        survey_level=3,
    )
    test_db.add_all([doc, rep])
    await test_db.commit()

    r = await async_client.get(f"/reports/{rep.id}/photo-policy")
    assert r.status_code == 200
    data = r.json()
    assert data["report_id"] == rep.id
    assert data["survey_level"] == 3
    assert isinstance(data["sections"], list)
    assert any(x["code"] == "D" for x in data["sections"])
    assert "policy_configuration_required" in data
    assert isinstance(data["policy_configuration_required"], bool)
    assert "indexed_upload_count" in data
    assert isinstance(data["indexed_upload_count"], int)
    for row in data["sections"]:
        assert "source" in row
        assert row["source"] in (
            "override",
            "tenant_library",
            "tenant_insufficient",
            "tenant_no_documents",
            "data_driven_disabled",
        )


@pytest.mark.asyncio
async def test_upload_list_and_get_section_photo_roundtrip(async_client: AsyncClient, test_db: AsyncSession, tmp_path) -> None:
    tenant_id = "tenant_test"
    doc = Document(
        id=str(uuid.uuid4()),
        tenant_id=tenant_id,
        filename="x.pdf",
        file_path="C:/tmp/x.pdf",
        status=IngestStatus.complete,
        survey_level=3,
    )
    rep = Report(
        id=str(uuid.uuid4()),
        tenant_id=tenant_id,
        document_id=doc.id,
        status=ReportStatus.pending,
        survey_level=3,
    )
    test_db.add_all([doc, rep])
    await test_db.commit()

    from app.config import settings

    settings.upload_dir = tmp_path / "uploads"
    settings.upload_dir.mkdir(parents=True, exist_ok=True)

    png = _tiny_png_bytes()
    files = [("files", ("p.png", png, "image/png"))]

    up = await async_client.post(f"/reports/{rep.id}/sections/D/photos", files=files)
    assert up.status_code == 200
    saved = up.json()["saved"]
    assert saved and saved[0]["photo_id"]

    lst = await async_client.get(f"/reports/{rep.id}/sections/D/photos")
    assert lst.status_code == 200
    photos = lst.json()["photos"]
    assert len(photos) == 1

    url = photos[0]["url"]
    img = await async_client.get(url)
    assert img.status_code == 200
    assert img.headers["content-type"].startswith("image/")