import tomli

import tomli_w


def test_newline_before_table():
    actual = tomli_w.dumps({"table": {}})
    expected = "[table]\n"
    assert actual == expected

    actual = tomli_w.dumps({"table": {"nested": {}, "val3": 3}, "val2": 2, "val1": 1})
    expected = """\
val2 = 2
val1 = 1

[table]
val3 = 3

[table.nested]
"""
    assert actual == expected


def test_empty_doc():
    assert tomli_w.dumps({}) == ""


def test_dont_write_redundant_tables():
    actual = tomli_w.dumps({"tab1": {"tab2": {"tab3": {}}}})
    expected = "[tab1.tab2.tab3]\n"
    assert actual == expected


def test_multiline():
    multiline_string = (
        "This is longer than threshold!\n"
        "Should be formatted as a multiline basic string"
    )
    actual = tomli_w.dumps({"ml_string": multiline_string}, multiline_strings=True)
    expected = '''\
ml_string = """
This is longer than threshold!
Should be formatted as a multiline basic string"""
'''
    assert actual == expected


def test_only_tables():
    actual = tomli_w.dumps({"tab1": {}, "tab2": {}})
    expected = """\
[tab1]

[tab2]
"""
    assert actual == expected


def test_tricky_keys():
    actual = tomli_w.dumps({"f": 1, "tab1": {}, "": {"f": 2, "": {"": 1}}, "tab3": {}})
    expected = """\
f = 1

[tab1]

[""]
f = 2

["".""]
"" = 1

[tab3]
"""
    assert actual == expected


def test_nested_keys():
    actual = tomli_w.dumps(
        {
            "k": 1,
            "a": {"b": {"c": {"d": {"e": {"f": {}}, "e2": {"f2": {}}}, "d_key1": 1}}},
        }
    )
    expected = """\
k = 1

[a.b.c]
d_key1 = 1

[a.b.c.d.e.f]

[a.b.c.d.e2.f2]
"""
    assert actual == expected


def test_array_of_tables_containing_lists():
    example: dict = {"aot": [{"a": [0, 1, 2, 3]}]}
    expected = """\
[[aot]]
a = [
    0,
    1,
    2,
    3,
]
"""
    actual = tomli_w.dumps(example)
    assert actual == expected
    assert tomli.loads(actual) == example

    example = {"a": {"nested": example}}
    expected = """\
[[a.nested.aot]]
a = [
    0,
    1,
    2,
    3,
]
"""
    actual = tomli_w.dumps(example)
    assert actual == expected


def test_array_of_long_tables():
    long_dict = {
        "long-value": "Lorem ipsum sith",
        "another-long-value": "consectetur adipis",
        "simple-value": 3,
    }
    example = {"table": {"nested-array": [{"a": 42}, long_dict]}}
    expected = """\
[[table.nested-array]]
a = 42

[[table.nested-array]]
long-value = "Lorem ipsum sith"
another-long-value = "consectetur adipis"
simple-value = 3
"""
    actual = tomli_w.dumps(example)
    assert actual == expected
    assert tomli.loads(actual) == example


def test_array_of_short_tables():
    long_name = "a" * 87
    example = {"table": {"nested-array": [{long_name: 0}, {"b": 1}, {"c": 2}]}}
    expected = f"""\
[table]
nested-array = [
    {{ {long_name} = 0 }},
    {{ b = 1 }},
    {{ c = 2 }},
]
"""
    actual = tomli_w.dumps(example)
    assert actual == expected


def test_example_issue_12():
    example = {
        "table": {
            "nested_table": [
                {"array_options": [1, 2, 3]},
                {"another_array": [1, 2]},
                {"c": 3},
            ]
        }
    }
    expected = """\
[[table.nested_table]]
array_options = [
    1,
    2,
    3,
]

[[table.nested_table]]
another_array = [
    1,
    2,
]

[[table.nested_table]]
c = 3
"""
    actual = tomli_w.dumps(example)
    assert actual == expected
    assert tomli.loads(actual) == example


def test_table_with_empty_array():
    # Empty arrays should never be AoTs
    example: dict = {"table": {"array": []}}
    expected = """\
[table]
array = []
"""
    actual = tomli_w.dumps(example)
    assert actual == expected
    assert tomli.loads(actual) == example


def test_non_trivial_nesting():
    long = {
        "long-value": "Lorem ipsum dolor sit amet",
        "another-long-value": "consectetur adipiscing elit",
        "a-third-one": "sed do eiusmod tempor incididunt ut labore et dolore magna",
        "simple-value": 3,
    }
    example = {
        "table": {
            "aot": [
                {"nested-table": {"nested_aot": [{"a": [0, 1]}, {"b": 2}, {"c": 3}]}},
                {"other-nested-table": {"d": 4, "e": 5, "f": [{"g": 6}], "h": [long]}},
            ]
        }
    }

    expected = """\
[[table.aot]]

[[table.aot.nested-table.nested_aot]]
a = [
    0,
    1,
]

[[table.aot.nested-table.nested_aot]]
b = 2

[[table.aot.nested-table.nested_aot]]
c = 3

[[table.aot]]

[table.aot.other-nested-table]
d = 4
e = 5
f = [
    { g = 6 },
]

[[table.aot.other-nested-table.h]]
long-value = "Lorem ipsum dolor sit amet"
another-long-value = "consectetur adipiscing elit"
a-third-one = "sed do eiusmod tempor incididunt ut labore et dolore magna"
simple-value = 3
"""
    actual = tomli_w.dumps(example)
    assert actual == expected
    assert tomli.loads(actual) == example


def test_multiline_in_aot():
    data = {"aot": [{"multiline_string": "line1\nline2"}]}
    assert (
        tomli_w.dumps(data, multiline_strings=True)
        == '''\
[[aot]]
multiline_string = """
line1
line2"""
'''
    )
    assert (
        tomli_w.dumps(data, multiline_strings=False)
        == """\
aot = [
    { multiline_string = "line1\\nline2" },
]
"""
    )