# Copyright (c) 2023 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.

# New Supported Instructions:
# BUILD_MAP (new)
# BUILD_CONST_KEY_MAP (new)

import unittest

from test_case_base import TestCaseBase

import paddle
from paddle.jit.sot.psdb import check_no_breakgraph
from paddle.jit.sot.utils import strict_mode_guard


@check_no_breakgraph
def build_map(x: int, y: paddle.Tensor):
    z = {x: y}
    return z[x] + 1


@check_no_breakgraph
def build_const_key_map(x: int, y: paddle.Tensor):
    z = {1: y, 2: y + 1}
    return z[x] + 1


@check_no_breakgraph
def dict_get_item(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1}
    return (z.get(1), z.get(2))


@check_no_breakgraph
def dict_get_item_default(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1}
    return (z.get(3, 2), z.get(4, y))


@check_no_breakgraph
def dict_set_item_int(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1}
    z[1] = x * 2
    return z[1]


@check_no_breakgraph
def dict_set_item_tensor(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1}
    z[2] = y
    return z[1]


@check_no_breakgraph
def dict_update_item1(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1}
    z.update({1: x * 2, 2: y, 3: y + 2})
    return z


@check_no_breakgraph
def dict_update_item2(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1}
    z.update({1: x * 2, 2: y, 3: z[2] + 2})
    return z


@check_no_breakgraph
def dict_del_item_int(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1}
    del z[1]
    return z


@check_no_breakgraph
def dict_del_item_tensor(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1}
    del z[2]
    return z


@check_no_breakgraph
def dict_clear(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1}
    z.clear()
    return z


@check_no_breakgraph
def dict_copy(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1}
    z2 = z.copy()
    z[1] = 2
    return z2


@check_no_breakgraph
def dict_setdefault_int(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1}
    a = z.setdefault(4)
    b = z.setdefault(1, 2)
    c = z.setdefault(3, 4)
    return (z, a, b, c)


@check_no_breakgraph
def dict_pop(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1, 3: y}
    a = z.pop(1)
    b = z.pop(2, 3)
    c = z.pop(4, 3)
    d = z.pop(5, y)
    return (z, a, b, c, d)


@check_no_breakgraph
def dict_popitem(x: int, y: paddle.Tensor):
    z = {1: x, 2: y + 1, 3: y}
    a = z.popitem()
    return (z, a)


@check_no_breakgraph
def dict_construct_from_dict():
    x = {1: 2, 3: 4}
    d = dict(x)
    return d


@check_no_breakgraph
def dict_construct_from_list():
    x = [[1, 2], [3, 4]]
    d = dict(x)
    return d


@check_no_breakgraph
def dict_construct_from_tuple():
    x = ((1, 2), (3, 4))
    d = dict(x)
    return d


@check_no_breakgraph
def dict_construct_from_comprehension():
    z = {1: 2, 3: 4}
    d = {k: v + 1 for k, v in z.items()}
    return d


@check_no_breakgraph
def dict_no_arguments():
    d1 = dict()  # noqa: C408
    d1.update({1: 2})
    d2 = dict()  # noqa: C408
    d2.update({3: 4})
    return d1[1] + d2[3]


@check_no_breakgraph
def dict_test_fromkeys(x):
    d = dict.fromkeys(x)
    return d


@check_no_breakgraph
def dict_test_fromkeys_default(x, y):
    d = dict.fromkeys(x, y)
    return d


@check_no_breakgraph
def dict_keyword_init():
    d = dict(x=1, y=2)  # noqa: C408
    return d["x"] + d["y"]


@strict_mode_guard(False)
@check_no_breakgraph
def raise_keyerror_with_number(x):
    x += 1
    a = {}
    a[8]
    x /= 3


@strict_mode_guard(False)
@check_no_breakgraph
def raise_keyerror_with_str(x):
    x += 1
    a = {}
    a["8"]
    x /= 3


class TestDict:
    def __init__(self, data) -> None:
        self.data = data

    def __getitem__(self, key):
        try:
            return self.data[key]
        except KeyError:
            raise


@check_no_breakgraph
def raise_keyerror_with_custom_obj(x):
    x += 1
    data = TestDict({})
    try:
        x *= 3
        data['a']
        x -= 3
    except KeyError:
        x /= 3
    return x


class TestBuildDict(TestCaseBase):
    def test_build_map(self):
        self.assert_results(build_map, 1, paddle.to_tensor(2))

    def test_build_const_key_map(self):
        self.assert_results(build_const_key_map, 1, paddle.to_tensor(2))


class TestDictMethods(TestCaseBase):
    def test_dict_get_item(self):
        self.assert_results(dict_get_item, 1, paddle.to_tensor(2))
        self.assert_results(dict_get_item_default, 1, paddle.to_tensor(2))

    def test_dict_set_item(self):
        self.assert_results_with_side_effects(
            dict_set_item_int, 1, paddle.to_tensor(2)
        )
        self.assert_results_with_side_effects(
            dict_set_item_tensor, 1, paddle.to_tensor(2)
        )

    def test_dict_copy(self):
        self.assert_results_with_side_effects(dict_copy, 1, paddle.to_tensor(2))

    def test_dict_update(self):
        self.assert_results_with_side_effects(
            dict_update_item1, 1, paddle.to_tensor(2)
        )
        self.assert_results_with_side_effects(
            dict_update_item2, 1, paddle.to_tensor(2)
        )

    def test_dict_setdefault(self):
        self.assert_results_with_side_effects(
            dict_setdefault_int, 1, paddle.to_tensor(2)
        )

    def test_dict_del_item(self):
        self.assert_results_with_side_effects(
            dict_del_item_int, 1, paddle.to_tensor(2)
        )
        self.assert_results_with_side_effects(
            dict_del_item_tensor, 1, paddle.to_tensor(2)
        )

    def test_dict_clear(self):
        self.assert_results_with_side_effects(
            dict_clear, 1, paddle.to_tensor(2)
        )

    def test_dict_pop(self):
        self.assert_results_with_side_effects(dict_pop, 1, paddle.to_tensor(2))

    def test_dict_popitem(self):
        self.assert_results_with_side_effects(
            dict_popitem, 1, paddle.to_tensor(2)
        )

    def test_construct(self):
        self.assert_results(dict_construct_from_dict)
        self.assert_results(dict_construct_from_list)
        self.assert_results(dict_construct_from_tuple)
        self.assert_results(dict_construct_from_comprehension)

    def test_dict_noargs(self):
        self.assert_results(dict_no_arguments)

    def test_dict_fromkeys(self):
        self.assert_results(dict_test_fromkeys, (1, 2, 3, 4))
        self.assert_results(dict_test_fromkeys, [1, 2, 3, 4])
        self.assert_results(dict_test_fromkeys_default, (1, 2, 3, 4), 1)
        self.assert_results(
            dict_test_fromkeys_default, (1, 2, 3, 4), paddle.to_tensor(1)
        )
        self.assert_results(dict_test_fromkeys_default, [1, 2, 3, 4], 1)
        self.assert_results(
            dict_test_fromkeys_default, [1, 2, 3, 4], paddle.to_tensor(1)
        )

    def test_dict_keyword_init(self):
        self.assert_results(dict_keyword_init)


class TestDictKeyError(TestCaseBase):
    def test_dict_keyerror(self):
        with self.assertRaisesRegex(KeyError, "^8$"):
            self.assert_results(raise_keyerror_with_number, paddle.to_tensor(5))
        with self.assertRaisesRegex(KeyError, "^'8'$"):
            self.assert_results(raise_keyerror_with_str, paddle.to_tensor(5))
        self.assert_results(raise_keyerror_with_custom_obj, paddle.ones([3]))


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