import pytest
from folding_studio.query.soloseq import SoloSeqParameters, SoloSeqQuery
from folding_studio_data_models.exceptions import FastaValidationError


def test_soloseqquery_from_protein_sequence():
    sequence = ">tag1|tag2\nABCDEGF"
    query = SoloSeqQuery.from_protein_sequence(sequence)
    assert query.fasta_files == {"tag1": ">tag1|tag2\nABCDEGF"}
    assert query.query_name == "tag1"
    assert query.parameters == SoloSeqParameters()

    parameters = {"data_random_seed": 42, "skip_relaxation": False, "unsupported": 123}
    query = SoloSeqQuery.from_protein_sequence(sequence, **parameters)
    assert query.fasta_files == {"tag1": ">tag1|tag2\nABCDEGF"}
    assert query.query_name == "tag1"
    assert query.parameters == SoloSeqParameters(
        data_random_seed=42, skip_relaxation=False
    )

    with pytest.raises(FastaValidationError):
        multimer_sequence = ">tag1|tag2\nABCDEGF\n>tag3\nABCDEGF"
        SoloSeqQuery.from_protein_sequence(multimer_sequence)


def test_soloseqquery_from_fasta_file(tmp_files):
    with pytest.raises(ValueError, match="Unsupported suffix"):
        SoloSeqQuery.from_file(tmp_files["invalid_source"])

    with pytest.raises(FastaValidationError):
        SoloSeqQuery.from_file(tmp_files["empty_fasta"])

    with pytest.raises(FastaValidationError):
        SoloSeqQuery.from_file(tmp_files["multimer_fasta"])

    query = SoloSeqQuery.from_file(tmp_files["monomer_fasta"])
    assert query.fasta_files == {"monomer": ">tag1|tag2\nABCDEGF"}
    assert query.query_name == "monomer"
    assert query.parameters == SoloSeqParameters()

    parameters = {"data_random_seed": 42, "skip_relaxation": False, "unsupported": 123}
    query = SoloSeqQuery.from_file(tmp_files["monomer_fasta"], **parameters)
    assert query.fasta_files == {"monomer": ">tag1|tag2\nABCDEGF"}
    assert query.query_name == "monomer"
    assert query.parameters == SoloSeqParameters(
        data_random_seed=42, skip_relaxation=False
    )


def test_soloseqquery_from_directory(tmp_files):
    with pytest.raises(ValueError, match="No FASTA files found in directory"):
        SoloSeqQuery.from_directory(tmp_files["empty_dir"])

    with pytest.raises(FastaValidationError):
        SoloSeqQuery.from_directory(tmp_files["dir_with_multimer"])

    query = SoloSeqQuery.from_directory(tmp_files["valid_dir"])
    assert query.fasta_files == {
        "monomer_1": ">tag1|tag2\nABCDEGF",
        "monomer_2": ">tag1|tag2\nABCDEGF",
    }
    assert query.query_name == "valid_dir"
    assert query.parameters == SoloSeqParameters()

    parameters = {"data_random_seed": 42, "skip_relaxation": False, "unsupported": 123}
    query = SoloSeqQuery.from_directory(tmp_files["valid_dir"], **parameters)
    assert query.fasta_files == {
        "monomer_1": ">tag1|tag2\nABCDEGF",
        "monomer_2": ">tag1|tag2\nABCDEGF",
    }
    assert query.query_name == "valid_dir"
    assert query.parameters == SoloSeqParameters(
        data_random_seed=42, skip_relaxation=False
    )