from icosagon.data import Data
from icosagon.trainprep import prepare_training, \
    TrainValTest
from icosagon.model import Model
from icosagon.trainloop import TrainLoop
import torch
import pytest
import pdb


def test_train_loop_01():
    d = Data()
    d.add_node_type('Dummy', 10)
    fam = d.add_relation_family('Dummy-Dummy', 0, 0, False)
    fam.add_relation_type('Dummy Rel', torch.rand(10, 10).round())

    prep_d = prepare_training(d, TrainValTest(.8, .1, .1))

    m = Model(prep_d)

    loop = TrainLoop(m)

    assert loop.model == m
    assert loop.lr == 0.001
    assert loop.loss == torch.nn.functional.binary_cross_entropy_with_logits
    assert loop.batch_size == 100


def test_train_loop_02():
    d = Data()
    d.add_node_type('Dummy', 10)
    fam = d.add_relation_family('Dummy-Dummy', 0, 0, False)
    fam.add_relation_type('Dummy Rel', torch.rand(10, 10).round())

    prep_d = prepare_training(d, TrainValTest(.8, .1, .1))

    m = Model(prep_d)

    loop = TrainLoop(m)

    loop.run_epoch()


def test_train_loop_03():
    if torch.cuda.device_count() == 0:
        pytest.skip('CUDA required for this test')

    adj_mat = torch.rand(10, 10).round()
    dev = torch.device('cuda:0')
    adj_mat = adj_mat.to(dev)

    d = Data()
    d.add_node_type('Dummy', 10)
    fam = d.add_relation_family('Dummy-Dummy', 0, 0, False)
    fam.add_relation_type('Dummy Rel', adj_mat)

    prep_d = prepare_training(d, TrainValTest(.8, .1, .1))
    # pdb.set_trace()

    m = Model(prep_d)
    m = m.to(dev)

    print(list(m.parameters()))

    for prm in m.parameters():
        assert prm.device == dev

    loop = TrainLoop(m)

    loop.run_epoch()