import pytest

from pisa import c_logger
from pisa.block_processor import BlockProcessor
from test.unit.conftest import get_random_value_hex

c_logger.disabled = True


@pytest.fixture
def best_block_hash():
    return BlockProcessor.get_best_block_hash()


def test_get_best_block_hash(run_bitcoind, best_block_hash):
    # As long as bitcoind is running (or mocked in this case) we should always a block hash
    assert best_block_hash is not None and isinstance(best_block_hash, str)


def test_get_block(best_block_hash):
    # Getting a block from a block hash we are aware of should return data
    block = BlockProcessor.get_block(best_block_hash)

    # Checking that the received block has at least the fields we need
    # FIXME: We could be more strict here, but we'll need to add those restrictions to bitcoind_sim too
    assert isinstance(block, dict)
    assert block.get("hash") == best_block_hash and "height" in block and "previousblockhash" in block and "tx" in block


def test_get_random_block():
    block = BlockProcessor.get_block(get_random_value_hex(32))

    assert block is None


def test_get_block_count():
    block_count = BlockProcessor.get_block_count()
    assert isinstance(block_count, int) and block_count >= 0