# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import unittest
from functools import partial
from typing import List

import numpy as np
from program_config import ProgramConfig, TensorConfig
from trt_layer_auto_scan_test import TrtLayerAutoScanTest

import paddle.inference as paddle_infer


class TrtConvertMatmulTest_static(TrtLayerAutoScanTest):
    def is_program_valid(self, program_config: ProgramConfig) -> bool:
        return True

    def sample_program_configs(self):
        def generate_input(shape):
            return np.random.random(shape).astype(np.float32)

        for batch in [1, 4]:
            for trans_x in [True, False]:
                for trans_y in [True, False]:
                    if trans_x and trans_y:
                        input1_shape = [batch, 6, 11]
                        input2_shape = [batch, 32, 6]
                    if trans_x and not trans_y:
                        input1_shape = [batch, 6, 11]
                        input2_shape = [batch, 6, 32]
                    if not trans_x and trans_y:
                        input1_shape = [batch, 32, 6]
                        input2_shape = [batch, 11, 6]
                    if not trans_x and not trans_y:
                        input1_shape = [batch, 32, 6]
                        input2_shape = [batch, 6, 11]
                    for alpha in [0.3, 1.0]:
                        dics = [
                            {
                                "transpose_X": trans_x,
                                "transpose_Y": trans_y,
                                "alpha": alpha,
                            }
                        ]
                        ops_config = [
                            {
                                "op_type": "matmul",
                                "op_inputs": {
                                    "X": ["input1_data"],
                                    "Y": ["input2_data"],
                                },
                                "op_outputs": {"Out": ["output_data"]},
                                "op_attrs": dics[0],
                            }
                        ]
                        ops = self.generate_op_config(ops_config)

                        program_config = ProgramConfig(
                            ops=ops,
                            weights={},
                            inputs={
                                "input1_data": TensorConfig(
                                    data_gen=partial(
                                        generate_input, input1_shape
                                    )
                                ),
                                "input2_data": TensorConfig(
                                    data_gen=partial(
                                        generate_input, input2_shape
                                    )
                                ),
                            },
                            outputs=["output_data"],
                        )

                        yield program_config

    def sample_predictor_configs(
        self, program_config
    ) -> (paddle_infer.Config, List[int], float):
        def generate_dynamic_shape(attrs):
            pass

        def clear_dynamic_shape():
            self.dynamic_shape.max_input_shape = {}
            self.dynamic_shape.min_input_shape = {}
            self.dynamic_shape.opt_input_shape = {}

        # for static_shape
        clear_dynamic_shape()
        self.trt_param.precision = paddle_infer.PrecisionType.Float32
        program_config.set_input_type(np.float32)
        yield self.create_inference_config(), (1, 3), 1e-5
        self.trt_param.precision = paddle_infer.PrecisionType.Half
        program_config.set_input_type(np.float16)
        yield self.create_inference_config(), (1, 3), 1e-3

    def test(self):
        self.run_test()


class TrtConvertMatmulTest_dynamic(TrtLayerAutoScanTest):
    def is_program_valid(self, program_config: ProgramConfig) -> bool:
        return True

    def sample_program_configs(self):
        def generate_input(shape):
            return np.random.random(shape).astype(np.float32)

        for trans_x in [True]:
            for trans_y in [True]:
                if trans_x and trans_y:
                    input1_shape = [4, 4, 4]
                    input2_shape = [4, 4, 4]
                # if trans_x and not trans_y:
                #     input1_shape = [4, 4, 4]
                #     input2_shape = [4, 4, 4]
                # if not trans_x and trans_y:
                #     input1_shape = [batch, 32, 6]
                #     input2_shape = [batch, 11, 6]
                # if not trans_x and not trans_y:
                #     input1_shape = [batch, 32, 6]
                #     input2_shape = [batch, 6, 11]
                for alpha in [0.3, 1.0]:
                    dics = [
                        {
                            "transpose_X": trans_x,
                            "transpose_Y": trans_y,
                            "alpha": alpha,
                        }
                    ]
                    ops_config = [
                        {
                            "op_type": "matmul",
                            "op_inputs": {
                                "X": ["input1_data"],
                                "Y": ["input2_data"],
                            },
                            "op_outputs": {"Out": ["output_data"]},
                            "op_attrs": dics[0],
                        }
                    ]
                    ops = self.generate_op_config(ops_config)

                    program_config = ProgramConfig(
                        ops=ops,
                        weights={},
                        inputs={
                            "input1_data": TensorConfig(
                                data_gen=partial(generate_input, input1_shape)
                            ),
                            "input2_data": TensorConfig(
                                data_gen=partial(generate_input, input2_shape)
                            ),
                        },
                        outputs=["output_data"],
                    )

                    yield program_config

    def sample_predictor_configs(
        self, program_config
    ) -> (paddle_infer.Config, List[int], float):
        def generate_dynamic_shape(attrs):
            self.dynamic_shape.min_input_shape = {
                "input1_data": [1, 4, 4],
                "input2_data": [1, 4, 4],
            }
            self.dynamic_shape.max_input_shape = {
                "input1_data": [16, 4, 4],
                "input2_data": [16, 4, 4],
            }
            self.dynamic_shape.opt_input_shape = {
                "input1_data": [8, 4, 4],
                "input2_data": [8, 4, 4],
            }

        attrs = [
            program_config.ops[i].attrs for i in range(len(program_config.ops))
        ]

        # for dynamic_shape
        generate_dynamic_shape(attrs)
        self.trt_param.precision = paddle_infer.PrecisionType.Float32
        program_config.set_input_type(np.float32)
        yield self.create_inference_config(), (1, 3), 1e-5
        self.trt_param.precision = paddle_infer.PrecisionType.Half
        program_config.set_input_type(np.float16)
        yield self.create_inference_config(), (1, 3), 1e-3

    def add_skip_trt_case(self):
        pass

    def test(self):
        self.add_skip_trt_case()
        self.run_test()


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