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import unittest

import numpy as np
from systemds.context import SystemDSContext
from systemds.matrix import Matrix

dim = 5
np.random.seed(7)
m1 = np.array(np.random.randint(100, size=dim * dim) + 1.01, dtype=np.double)
m1.shape = (dim, dim)
m2 = np.array(np.random.randint(5, size=dim * dim) + 1, dtype=np.double)
m2.shape = (dim, dim)
s = 3.02


class TestBinaryOp(unittest.TestCase):

    sds: SystemDSContext = None

    @classmethod
    def setUpClass(cls):
        cls.sds = SystemDSContext()

    @classmethod
    def tearDownClass(cls):
        cls.sds.close()

    def test_plus(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) + Matrix(self.sds, m2)).compute(), m1 + m2))

    def test_minus(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) - Matrix(self.sds, m2)).compute(), m1 - m2))

    def test_mul(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) * Matrix(self.sds, m2)).compute(), m1 * m2))

    def test_div(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) / Matrix(self.sds, m2)).compute(), m1 / m2))

    # TODO arithmetic with numpy rhs

    # TODO arithmetic with numpy lhs

    def test_plus3(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) + s).compute(), m1 + s))

    def test_minus3(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) - s).compute(), m1 - s))

    def test_mul3(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) * s).compute(), m1 * s))

    def test_div3(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) / s).compute(), m1 / s))

    def test_matmul(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) @ Matrix(self.sds, m2)).compute(), m1.dot(m2)))

    # TODO arithmetic with scala lhs

    def test_lt(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) < Matrix(self.sds, m2)).compute(), m1 < m2))

    def test_gt(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) > Matrix(self.sds, m2)).compute(), m1 > m2))

    def test_le(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) <= Matrix(self.sds, m2)).compute(), m1 <= m2))

    def test_ge(self):
        self.assertTrue(np.allclose(
            (Matrix(self.sds, m1) >= Matrix(self.sds, m2)).compute(), m1 >= m2))

    def test_abs(self):
        self.assertTrue(np.allclose(
            Matrix(self.sds, m1).abs().compute(), np.abs(m1)))


if __name__ == "__main__":
    unittest.main(exit=False)