# Copyright (C) 2018-2022 Intel Corporation
# SPDX-License-Identifier: Apache-2.0

import numpy as np
import pytest
import tensorflow as tf
from common.tf_layer_test_class import CommonTFLayerTest


class TestSelect(CommonTFLayerTest):
    def _prepare_input(self, inputs_info):
        assert 'cond' in inputs_info, "Test error: inputs_info must contain `cond`"
        assert 'x' in inputs_info, "Test error: inputs_info must contain `x`"
        assert 'y' in inputs_info, "Test error: inputs_info must contain `y`"
        cond_shape = inputs_info['cond']
        x_shape = inputs_info['x']
        y_shape = inputs_info['y']
        inputs_data = {}
        inputs_data['cond'] = np.random.randint(0, 2, cond_shape).astype(bool)
        inputs_data['x'] = np.random.randint(-100, 100, x_shape).astype(np.float32)
        inputs_data['y'] = np.random.randint(-100, 100, y_shape).astype(np.float32)
        return inputs_data

    def create_select_net(self, cond_shape, x_shape, y_shape):
        tf.compat.v1.reset_default_graph()
        # Create the graph and model
        with tf.compat.v1.Session() as sess:
            cond = tf.compat.v1.placeholder(tf.bool, cond_shape, 'cond')
            x = tf.compat.v1.placeholder(tf.float32, x_shape, 'x')
            y = tf.compat.v1.placeholder(tf.float32, y_shape, 'y')
            tf.raw_ops.Select(condition=cond, x=x, y=y, name='select')
            tf.compat.v1.global_variables_initializer()

            tf_net = sess.graph_def

        return tf_net, None

    test_data_basic = [
        dict(cond_shape=[], x_shape=[3, 2, 4], y_shape=[3, 2, 4]),
        dict(cond_shape=[2], x_shape=[2, 4, 5], y_shape=[2, 4, 5]),
        dict(cond_shape=[2, 3, 4], x_shape=[2, 3, 4], y_shape=[2, 3, 4]),
    ]

    @pytest.mark.parametrize("params", test_data_basic)
    @pytest.mark.precommit_tf_fe
    @pytest.mark.nightly
    def test_select_basic(self, params, ie_device, precision, ir_version, temp_dir,
                          use_new_frontend, use_old_api):
        if not use_new_frontend:
            pytest.skip("Select tests are not passing for the legacy frontend.")
        self._test(*self.create_select_net(**params),
                   ie_device, precision, ir_version, temp_dir=temp_dir,
                   use_new_frontend=use_new_frontend, use_old_api=use_old_api)