#   Copyright (c) 2019 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

import numpy as np
from eager_op_test import OpTest, convert_float_to_uint16

import paddle
import paddle.framework.dtype as dtypes
from paddle.fluid import core


def fill_any_like_wrapper(x, value, out_dtype=None, name=None):
    if isinstance(out_dtype, int):
        tmp_dtype = dtypes.dtype(out_dtype)
    else:
        tmp_dtype = out_dtype
    return paddle.full_like(x, value, tmp_dtype, name)


class TestFillAnyLikeOp(OpTest):
    def setUp(self):
        self.op_type = "fill_any_like"
        self.prim_op_type = "comp"
        self.python_api = fill_any_like_wrapper
        self.public_python_api = fill_any_like_wrapper
        self.dtype = np.int32
        self.value = 0.0
        self.init()
        self.inputs = {'X': np.random.random((219, 232)).astype(self.dtype)}
        self.attrs = {'value': self.value}
        self.outputs = {'Out': self.value * np.ones_like(self.inputs["X"])}
        self.if_enable_cinn()

    def init(self):
        pass

    def test_check_output(self):
        self.check_output(check_prim=True)

    def if_enable_cinn(self):
        pass


class TestFillAnyLikeOpFloat32(TestFillAnyLikeOp):
    def init(self):
        self.dtype = np.float32
        self.value = 0.0

    def if_enable_cinn(self):
        pass


@unittest.skipIf(
    not core.is_compiled_with_cuda(), "core is not compiled with CUDA"
)
class TestFillAnyLikeOpBfloat16(OpTest):
    def setUp(self):
        self.op_type = "fill_any_like"
        self.prim_op_type = "comp"
        self.python_api = fill_any_like_wrapper
        self.public_python_api = fill_any_like_wrapper
        self.dtype = np.uint16
        self.value = 0.0
        self.inputs = {'X': np.random.random((219, 232)).astype(np.float32)}
        self.attrs = {'value': self.value, 'dtype': core.VarDesc.VarType.BF16}
        self.outputs = {
            'Out': convert_float_to_uint16(
                self.value * np.ones_like(self.inputs["X"])
            )
        }
        self.if_enable_cinn()

    def test_check_output(self):
        place = core.CUDAPlace(0)
        self.check_output_with_place(place, check_prim=True)

    def if_enable_cinn(self):
        pass


class TestFillAnyLikeOpValue1(TestFillAnyLikeOp):
    def init(self):
        self.value = 1.0

    def if_enable_cinn(self):
        pass


class TestFillAnyLikeOpValue2(TestFillAnyLikeOp):
    def init(self):
        self.value = 1e-10

    def if_enable_cinn(self):
        pass


class TestFillAnyLikeOpValue3(TestFillAnyLikeOp):
    def init(self):
        self.value = 1e-100

    def if_enable_cinn(self):
        pass


class TestFillAnyLikeOpType(TestFillAnyLikeOp):
    def setUp(self):
        self.op_type = "fill_any_like"
        self.prim_op_type = "comp"
        self.python_api = fill_any_like_wrapper
        self.public_python_api = fill_any_like_wrapper
        self.dtype = np.int32
        self.value = 0.0
        self.init()
        self.inputs = {'X': np.random.random((219, 232)).astype(self.dtype)}
        self.attrs = {
            'value': self.value,
            'dtype': int(core.VarDesc.VarType.FP32),
        }
        self.outputs = {
            'Out': self.value
            * np.ones_like(self.inputs["X"]).astype(np.float32)
        }

        self.if_enable_cinn()

    def if_enable_cinn(self):
        pass


class TestFillAnyLikeOpFloat16(TestFillAnyLikeOp):
    def init(self):
        self.dtype = np.float16

    def if_enable_cinn(self):
        pass


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