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

import unittest

from openvino.tools.mo.middle.MXTileReplacer import MXTileReplacer
from openvino.tools.mo.front.common.partial_infer.utils import int64_array
from openvino.tools.mo.utils.ir_engine.compare_graphs import compare_graphs
from unit_tests.utils.graph import build_graph

nodes_attributes = {
    'placeholder': {'kind': 'op', 'op': 'Parameter'},
    'placeholder_data': {'kind': 'data'},
    'tile': {'kind': 'op', 'op': 'Tile'},
    'tile_data': {'kind': 'data', 'shape': int64_array([1, 1, 1, 1])},
    'result': {'kind': 'op', 'op': 'Result'},

    'unsqueeze_1': {'kind': 'op', 'op': 'Unsqueeze'},
    'unsqueeze_1_data': {'kind': 'data'},
    'unsqueeze_1_const': {'kind': 'op', 'op': 'Const'},
    'unsqueeze_1_const_data': {'kind': 'data'},
}


class MXTileReplacerTest(unittest.TestCase):

    def test_insert_one_unsqueeze(self):
        graph = build_graph(
            nodes_attributes,
            [
                ('placeholder', 'placeholder_data'),
                ('placeholder_data', 'tile'),
                ('tile', 'tile_data'),
                ('tile_data', 'result')
            ],
            {
                'placeholder_data': {'shape': int64_array([1, 1, 1])}
            },
            nodes_with_edges_only=True
        )

        ref_graph = build_graph(
            nodes_attributes,
            [
                ('placeholder', 'placeholder_data'),
                ('placeholder_data', 'unsqueeze_1', {'in': 0}),
                ('unsqueeze_1_const', 'unsqueeze_1_const_data'),
                ('unsqueeze_1_const_data', 'unsqueeze_1', {'in': 1}),
                ('unsqueeze_1', 'unsqueeze_1_data'),
                ('unsqueeze_1_data', 'tile'),
                ('tile', 'tile_data'),
                ('tile_data', 'result')
            ],
            {
                'placeholder_data': {'shape': int64_array([1, 1, 1])},
                'unsqueeze_1_const_data': {'value': int64_array([0])}
            },
            nodes_with_edges_only=True
        )

        MXTileReplacer().find_and_replace_pattern(graph)
        graph.clean_up()

        (flag, resp) = compare_graphs(graph, ref_graph, 'placeholder', check_op_attrs=True)
        self.assertTrue(flag, resp)

    def test_insert_two_unsqueezes(self):
        graph = build_graph(
            nodes_attributes,
            [
                ('placeholder', 'placeholder_data'),
                ('placeholder_data', 'tile'),
                ('tile', 'tile_data'),
                ('tile_data', 'result')
            ],
            {
                'placeholder_data': {'shape': int64_array([1, 1])}
            },
            nodes_with_edges_only=True
        )

        ref_graph = build_graph(
            nodes_attributes,
            [
                ('placeholder', 'placeholder_data'),
                ('placeholder_data', 'unsqueeze_1', {'in': 0}),
                ('unsqueeze_1_const', 'unsqueeze_1_const_data'),
                ('unsqueeze_1_const_data', 'unsqueeze_1', {'in': 1}),
                ('unsqueeze_1', 'unsqueeze_1_data'),
                ('unsqueeze_1_data', 'tile'),
                ('tile', 'tile_data'),
                ('tile_data', 'result')
            ],
            {
                'placeholder_data': {'shape': int64_array([1, 1])},
                'unsqueeze_1_const_data': {'value': int64_array([0, 1])}
            },
            nodes_with_edges_only=True
        )

        MXTileReplacer().find_and_replace_pattern(graph)
        graph.clean_up()

        (flag, resp) = compare_graphs(graph, ref_graph, 'placeholder', check_op_attrs=True)
        self.assertTrue(flag, resp)
