import pytest
import requests

from pyhmy import (
    account
)

from pyhmy.rpc import (
    exceptions
)


explorer_endpoint = 'http://localhost:9700'
endpoint_shard_one = 'http://localhost:9502'
local_test_address = 'one155jp2y76nazx8uw5sa94fr0m4s5aj8e5xm6fu3'
test_validator_address = local_test_address
genesis_block_number = 0
test_block_number = 1
fake_shard = 'http://example.com'

def _test_account_rpc(fn, *args, **kwargs):
    if not callable(fn):
        pytest.fail(f'Invalid function: {fn}')

    try:
        response = fn(*args, **kwargs)
    except Exception as e:
        if isinstance(e, exceptions.RPCError) and 'does not exist/is not available' in str(e):
            pytest.skip(f'{str(e)}')
        pytest.fail(f'Unexpected error: {e.__class__} {e}')
    return response


def test_get_balance(setup_blockchain):
    balance = _test_account_rpc(account.get_balance, local_test_address)
    assert isinstance(balance, int)
    assert balance > 0

def test_get_balance_by_block(setup_blockchain):
    balance = _test_account_rpc(account.get_balance_by_block, local_test_address, genesis_block_number)
    assert isinstance(balance, int)
    assert balance > 0

def test_get_account_nonce(setup_blockchain):
    true_nonce = _test_account_rpc(account.get_account_nonce, local_test_address, test_block_number, endpoint=endpoint_shard_one)
    assert isinstance(true_nonce, int)

def test_get_transaction_history(setup_blockchain):
    tx_history = _test_account_rpc(account.get_transaction_history, local_test_address, endpoint=explorer_endpoint)
    assert isinstance(tx_history, list)
    assert len(tx_history) >= 0

def test_get_staking_transaction_history(setup_blockchain):
    staking_tx_history = _test_account_rpc(account.get_staking_transaction_history, test_validator_address, endpoint=explorer_endpoint)
    assert isinstance(staking_tx_history, list)
    assert len(staking_tx_history) > 0

def test_get_balance_on_all_shards(setup_blockchain):
    balances = _test_account_rpc(account.get_balance_on_all_shards, local_test_address)
    assert isinstance(balances, list)
    assert len(balances) == 2

def test_get_total_balance(setup_blockchain):
    total_balance = _test_account_rpc(account.get_total_balance, local_test_address)
    assert isinstance(total_balance, int)
    assert total_balance > 0

def test_is_valid_address():
    assert account.is_valid_address('one1zksj3evekayy90xt4psrz8h6j2v3hla4qwz4ur')
    assert not account.is_valid_address('one1wje75aedczmj4dwjs0812xcg7vx0dy231cajk0')

def test_get_transaction_count(setup_blockchain):
    tx_count = _test_account_rpc(account.get_transaction_count, local_test_address, 'latest', explorer_endpoint)
    assert isinstance(tx_count, int)
    assert tx_count > 0

def test_get_transactions_count(setup_blockchain):
    tx_count = _test_account_rpc(account.get_transactions_count, local_test_address, 'ALL', explorer_endpoint)

def test_get_staking_transactions_count(setup_blockchain):
    tx_count = _test_account_rpc(account.get_staking_transactions_count, local_test_address, 'ALL', explorer_endpoint)
    assert isinstance(tx_count, int)

def test_errors():
    with pytest.raises(exceptions.RPCError):
        account.get_balance('', fake_shard)
    with pytest.raises(exceptions.RPCError):
        account.get_balance_by_block('', 1, fake_shard)
    with pytest.raises(exceptions.RPCError):
        account.get_account_nonce('', 1, fake_shard)
    with pytest.raises(exceptions.RPCError):
        account.get_transaction_count('', 1, fake_shard)
    with pytest.raises(exceptions.RPCError):
        account.get_transactions_count('', 1, fake_shard)
    with pytest.raises(exceptions.RPCError):
        account.get_transactions_count('', 'ALL', fake_shard)
    with pytest.raises(exceptions.RPCError):
        account.get_transaction_history('', endpoint=fake_shard)
    with pytest.raises(exceptions.RPCError):
        account.get_staking_transaction_history('', endpoint=fake_shard)
    with pytest.raises(exceptions.RPCError):
        account.get_balance_on_all_shards('', endpoint=fake_shard)
    with pytest.raises(exceptions.RPCError):
        account.get_total_balance('', endpoint=fake_shard)