import json

import pytest
from pydantic import ValidationError
from src.asset_upload.models import AssetUploadValidationRequest


class TestAssetUploadValidationRequest:
    def test_parses_minimal_body(self) -> None:
        asset_upload_validation_request = AssetUploadValidationRequest.model_validate_json(
            json.dumps({"task_token": "tok", "asset_upload_type": "atmos"}),
        )

        assert asset_upload_validation_request.task_token == "tok"
        assert asset_upload_validation_request.asset_upload_type == "atmos"

    def test_silently_ignores_domain_fields(self) -> None:
        body = {
            "task_token": "tok",
            "asset_upload_type": "atmos",
            "atmos_bucket": "b",
            "atmos_key": "k",
            "stereo_reference_bucket": "sb",
            "stereo_reference_key": "sk",
            "completely_unknown": 42,
        }
        asset_upload_validation_request = AssetUploadValidationRequest.model_validate_json(json.dumps(body))

        assert asset_upload_validation_request.task_token == "tok"
        assert asset_upload_validation_request.asset_upload_type == "atmos"
        assert not hasattr(asset_upload_validation_request, "atmos_bucket")

    @pytest.mark.parametrize(
        "missing_field",
        ["task_token", "asset_upload_type"],
    )
    def test_rejects_missing_required_field(self, missing_field: str) -> None:
        body = {"task_token": "tok", "asset_upload_type": "atmos"}
        del body[missing_field]

        with pytest.raises(ValidationError, match=missing_field):
            AssetUploadValidationRequest.model_validate_json(json.dumps(body))

    @pytest.mark.parametrize(
        "empty_field",
        ["task_token", "asset_upload_type"],
    )
    def test_rejects_empty_string_field(self, empty_field: str) -> None:
        body = {"task_token": "tok", "asset_upload_type": "atmos"} | {empty_field: ""}

        with pytest.raises(ValidationError, match="String should have at least 1 character"):
            AssetUploadValidationRequest.model_validate_json(json.dumps(body))