from io import BytesIO

import pytest

from src.backend.logic.reporting import ReportExporter
from src.backend.logic.reporting.report import export


class TestReportExporter:
    _class = ReportExporter

    sample_config = export.AuditReport(
        audit_group_id=1,
        label_name="Test Label",
        as_pdf=False,
        artist_image=None,
    )

    SAMPLE_BASE64_ENCODED_IMAGE = """
    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABgAAAAYCAYAAADgdz34AAAABHNCSVQICAg
    IfAhkiAAAAAlwSFlzAAAApgAAAKYB3X3/OAAAABl0RVh0U29mdHdhcmUAd3d3Lmlua3NjYXBlLm9yZ5vu
    PBoAAANCSURBVEiJtZZPbBtFFMZ/M7ubXdtdb1xSFyeilBapySVU8h8OoFaooFSqiihIVIpQBKci6KEg9
    Q6H9kovIHoCIVQJJCKE1ENFjnAgcaSGC6rEnxBwA04Tx43t2FnvDAfjkNibxgHxnWb2e/u992bee7tCa0
    0YFsffekFY+nUzFtjW0LrvjRXrCDIAaPLlW0nHL0SsZtVoaF98mLrx3pdhOqLtYPHChahZcYYO7KvPFxv
    Rl5XPp1sN3adWiD1ZAqD6XYK1b/dvE5IWryTt2udLFedwc1+9kLp+vbbpoDh+6TklxBeAi9TL0taeWpdm
    ZzQDry0AcO+jQ12RyohqqoYoo8RDwJrU+qXkjWtfi8Xxt58BdQuwQs9qC/afLwCw8tnQbqYAPsgxE1S6F
    3EAIXux2oQFKm0ihMsOF71dHYx+f3NND68ghCu1YIoePPQN1pGRABkJ6Bus96CutRZMydTl+TvuiRW1m3
    n0eDl0vRPcEysqdXn+jsQPsrHMquGeXEaY4Yk4wxWcY5V/9scqOMOVUFthatyTy8QyqwZ+kDURKoMWxNK
    r2EeqVKcTNOajqKoBgOE28U4tdQl5p5bwCw7BWquaZSzAPlwjlithJtp3pTImSqQRrb2Z8PHGigD4RZuN
    X6JYj6wj7O4TFLbCO/Mn/m8R+h6rYSUb3ekokRY6f/YukArN979jcW+V/S8g0eT/N3VN3kTqWbQ428m9/
    8k0P/1aIhF36PccEl6EhOcAUCrXKZXXWS3XKd2vc/TRBG9O5ELC17MmWubD2nKhUKZa26Ba2+D3P+4/MN
    CFwg59oWVeYhkzgN/JDR8deKBoD7Y+ljEjGZ0sosXVTvbc6RHirr2reNy1OXd6pJsQ+gqjk8VWFYmHrwB
    zW/n+uMPFiRwHB2I7ih8ciHFxIkd/3Omk5tCDV1t+2nNu5sxxpDFNx+huNhVT3/zMDz8usXC3ddaHBj1G
    Hj/As08fwTS7Kt1HBTmyN29vdwAw+/wbwLVOJ3uAD1wi/dUH7Qei66PfyuRj4Ik9is+hglfbkbfR3cnZm
    7chlUWLdwmprtCohX4HUtlOcQjLYCu+fzGJH2QRKvP3UNz8bWk1qMxjGTOMThZ3kvgLI5AzFfo379UAAA
    AASUVORK5CYII=
    """.replace("\n", "").replace(" ", "")

    @pytest.fixture
    def instance(self):
        db = export.DBClient()
        return self._class(db, self.sample_config)

    @pytest.mark.asyncio
    @pytest.mark.parametrize(
        "image_url",
        [
            SAMPLE_BASE64_ENCODED_IMAGE,
            "https://upload.wikimedia.org/wikipedia/commons/thumb/6/6e/Joseph_Karl_Stieler%27s_Beethoven_mit_dem_Manuskript_der_Missa_solemnis.jpg/386px-Joseph_Karl_Stieler%27s_Beethoven_mit_dem_Manuskript_der_Missa_solemnis.jpg",
        ],
    )
    async def test_fetch_top_artist_image_bytes(self, instance, image_url):
        instance.config.artist_image = image_url
        result = await instance._fetch_top_artist_image_bytes()
        assert isinstance(result, BytesIO)
        assert result.getvalue(), "Expected non-empty BytesIO object."