# -*- coding: utf-8 -*-
from __future__ import unicode_literals

import math
import pickle
import pytest

from datetime import date
from datetime import datetime
from datetime import time
from datetime import timedelta

from tomlkit import inline_table
from tomlkit import parse
from tomlkit._compat import PY2
from tomlkit.exceptions import NonExistentKey
from tomlkit.items import Bool
from tomlkit.items import InlineTable
from tomlkit.items import Integer
from tomlkit.items import Key
from tomlkit.items import KeyType
from tomlkit.items import String
from tomlkit.items import StringType
from tomlkit.items import Table
from tomlkit.items import Trivia
from tomlkit.items import item
from tomlkit.parser import Parser


def test_key_comparison():
    k = Key("foo")

    assert k == Key("foo")
    assert k == "foo"
    assert k != "bar"
    assert k != 5


def test_items_can_be_appended_to_and_removed_from_a_table():
    string = """[table]
"""

    parser = Parser(string)
    _, table = parser._parse_table()

    assert isinstance(table, Table)
    assert "" == table.as_string()

    table.append(Key("foo"), String(StringType.SLB, "bar", "bar", Trivia(trail="\n")))

    assert 'foo = "bar"\n' == table.as_string()

    table.append(
        Key("baz"),
        Integer(34, Trivia(comment_ws="   ", comment="# Integer", trail=""), "34"),
    )

    assert 'foo = "bar"\nbaz = 34   # Integer' == table.as_string()

    table.remove(Key("baz"))

    assert 'foo = "bar"\n' == table.as_string()

    table.remove(Key("foo"))

    assert "" == table.as_string()

    with pytest.raises(NonExistentKey):
        table.remove(Key("foo"))


def test_items_can_be_appended_to_and_removed_from_an_inline_table():
    string = """table = {}
"""

    parser = Parser(string)
    _, table = parser._parse_item()

    assert isinstance(table, InlineTable)
    assert "{}" == table.as_string()

    table.append(Key("foo"), String(StringType.SLB, "bar", "bar", Trivia(trail="")))

    assert '{foo = "bar"}' == table.as_string()

    table.append(Key("baz"), Integer(34, Trivia(trail=""), "34"))

    assert '{foo = "bar", baz = 34}' == table.as_string()

    table.remove(Key("baz"))

    assert '{foo = "bar"}' == table.as_string()

    table.remove(Key("foo"))

    assert "{}" == table.as_string()

    with pytest.raises(NonExistentKey):
        table.remove(Key("foo"))


def test_inf_and_nan_are_supported(example):
    content = example("0.5.0")
    doc = parse(content)

    assert doc["sf1"] == float("inf")
    assert doc["sf2"] == float("inf")
    assert doc["sf3"] == float("-inf")

    assert math.isnan(doc["sf4"])
    assert math.isnan(doc["sf5"])
    assert math.isnan(doc["sf6"])


def test_hex_octal_and_bin_integers_are_supported(example):
    content = example("0.5.0")
    doc = parse(content)

    assert doc["hex1"] == 3735928559
    assert doc["hex2"] == 3735928559
    assert doc["hex3"] == 3735928559

    assert doc["oct1"] == 342391
    assert doc["oct2"] == 493

    assert doc["bin1"] == 214


def test_key_automatically_sets_proper_string_type_if_not_bare():
    key = Key("foo.bar")

    assert key.t == KeyType.Basic


def test_array_behaves_like_a_list():
    a = item([1, 2])

    assert a == [1, 2]
    assert a.as_string() == "[1, 2]"

    a += [3, 4]
    assert a == [1, 2, 3, 4]
    assert a.as_string() == "[1, 2, 3, 4]"

    del a[2]
    assert a == [1, 2, 4]
    assert a.as_string() == "[1, 2, 4]"

    del a[-1]
    assert a == [1, 2]
    assert a.as_string() == "[1, 2]"

    del a[-2]
    assert a == [2]
    assert a.as_string() == "[2]"

    if not PY2:
        a.clear()
        assert a == []
        assert a.as_string() == "[]"

    content = """a = [1, 2] # Comment
"""
    doc = parse(content)

    assert doc["a"] == [1, 2]
    doc["a"] += [3, 4]
    assert doc["a"] == [1, 2, 3, 4]
    assert (
        doc.as_string()
        == """a = [1, 2, 3, 4] # Comment
"""
    )


def test_array_multiline():
    t = item([1, 2, 3, 4, 5, 6, 7, 8])
    t.multiline(True)

    expected = """\
[
    1,
    2,
    3,
    4,
    5,
    6,
    7,
    8,
]"""

    assert expected == t.as_string()

    t = item([])

    assert "[]" == t.as_string()


def test_dicts_are_converted_to_tables():
    t = item({"foo": {"bar": "baz"}})

    assert (
        t.as_string()
        == """[foo]
bar = "baz"
"""
    )


def test_dicts_are_converted_to_tables_and_sorted():
    t = item({"foo": {"bar": "baz", "abc": 123, "baz": [{"c": 3, "b": 2, "a": 1}]}})

    assert (
        t.as_string()
        == """[foo]
abc = 123
bar = "baz"

[[foo.baz]]
a = 1
b = 2
c = 3
"""
    )


def test_dicts_with_sub_dicts_are_properly_converted():
    t = item({"foo": {"bar": {"string": "baz"}, "int": 34, "float": 3.14}})

    assert (
        t.as_string()
        == """[foo]
float = 3.14
int = 34

[foo.bar]
string = "baz"
"""
    )


def test_item_array_of_dicts_converted_to_aot():
    a = item({"foo": [{"bar": "baz"}]})

    assert (
        a.as_string()
        == """[[foo]]
bar = "baz"
"""
    )


def test_integers_behave_like_ints():
    i = item(34)

    assert i == 34
    assert i.as_string() == "34"

    i += 1
    assert i == 35
    assert i.as_string() == "35"

    i -= 2
    assert i == 33
    assert i.as_string() == "33"

    doc = parse("int = +34")
    doc["int"] += 1

    assert doc.as_string() == "int = +35"


def test_floats_behave_like_floats():
    i = item(34.12)

    assert i == 34.12
    assert i.as_string() == "34.12"

    i += 1
    assert i == 35.12
    assert i.as_string() == "35.12"

    i -= 2
    assert i == 33.12
    assert i.as_string() == "33.12"

    doc = parse("float = +34.12")
    doc["float"] += 1

    assert doc.as_string() == "float = +35.12"


def test_datetimes_behave_like_datetimes():
    i = item(datetime(2018, 7, 22, 12, 34, 56))

    assert i == datetime(2018, 7, 22, 12, 34, 56)
    assert i.as_string() == "2018-07-22T12:34:56"

    i += timedelta(days=1)
    assert i == datetime(2018, 7, 23, 12, 34, 56)
    assert i.as_string() == "2018-07-23T12:34:56"

    i -= timedelta(days=2)
    assert i == datetime(2018, 7, 21, 12, 34, 56)
    assert i.as_string() == "2018-07-21T12:34:56"

    doc = parse("dt = 2018-07-22T12:34:56-05:00")
    doc["dt"] += timedelta(days=1)

    assert doc.as_string() == "dt = 2018-07-23T12:34:56-05:00"


def test_dates_behave_like_dates():
    i = item(date(2018, 7, 22))

    assert i == date(2018, 7, 22)
    assert i.as_string() == "2018-07-22"

    i += timedelta(days=1)
    assert i == datetime(2018, 7, 23)
    assert i.as_string() == "2018-07-23"

    i -= timedelta(days=2)
    assert i == date(2018, 7, 21)
    assert i.as_string() == "2018-07-21"

    doc = parse("dt = 2018-07-22 # Comment")
    doc["dt"] += timedelta(days=1)

    assert doc.as_string() == "dt = 2018-07-23 # Comment"


def test_times_behave_like_times():
    i = item(time(12, 34, 56))

    assert i == time(12, 34, 56)
    assert i.as_string() == "12:34:56"


def test_strings_behave_like_strs():
    i = item("foo")

    assert i == "foo"
    assert i.as_string() == '"foo"'

    i += " bar"
    assert i == "foo bar"
    assert i.as_string() == '"foo bar"'

    i += " é"
    assert i == "foo bar é"
    assert i.as_string() == '"foo bar é"'

    doc = parse('str = "foo" # Comment')
    doc["str"] += " bar"

    assert doc.as_string() == 'str = "foo bar" # Comment'


def test_tables_behave_like_dicts():
    t = item({"foo": "bar"})

    assert (
        t.as_string()
        == """foo = "bar"
"""
    )

    t.update({"bar": "baz"})

    assert (
        t.as_string()
        == """foo = "bar"
bar = "baz"
"""
    )

    t.update({"bar": "boom"})

    assert (
        t.as_string()
        == """foo = "bar"
bar = "boom"
"""
    )


def test_items_are_pickable():
    n = item(12)

    s = pickle.dumps(n)
    assert pickle.loads(s).as_string() == "12"

    n = item(12.34)

    s = pickle.dumps(n)
    assert pickle.loads(s).as_string() == "12.34"

    n = item(True)

    s = pickle.dumps(n)
    assert pickle.loads(s).as_string() == "true"

    n = item(datetime(2018, 10, 11, 12, 34, 56, 123456))

    s = pickle.dumps(n)
    assert pickle.loads(s).as_string() == "2018-10-11T12:34:56.123456"

    n = item(date(2018, 10, 11))

    s = pickle.dumps(n)
    assert pickle.loads(s).as_string() == "2018-10-11"

    n = item(time(12, 34, 56, 123456))

    s = pickle.dumps(n)
    assert pickle.loads(s).as_string() == "12:34:56.123456"

    n = item([1, 2, 3])

    s = pickle.dumps(n)
    assert pickle.loads(s).as_string() == "[1, 2, 3]"

    n = item({"foo": "bar"})

    s = pickle.dumps(n)
    assert pickle.loads(s).as_string() == 'foo = "bar"\n'

    n = inline_table()
    n["foo"] = "bar"

    s = pickle.dumps(n)
    assert pickle.loads(s).as_string() == '{foo = "bar"}'

    n = item("foo")

    s = pickle.dumps(n)
    assert pickle.loads(s).as_string() == '"foo"'

    n = item([{"foo": "bar"}])

    s = pickle.dumps(n)
    assert pickle.loads(s).as_string() == 'foo = "bar"\n'


def test_trim_comments_when_building_inline_table():
    table = inline_table()
    row = parse('foo = "bar"  # Comment')
    table.update(row)
    assert table.as_string() == '{foo = "bar"}'
    value = item("foobaz")
    value.comment("Another comment")
    table.append("baz", value)
    assert "# Another comment" not in table.as_string()
    assert '{foo = "bar", baz = "foobaz"}' == table.as_string()


def test_deleting_inline_table_elemeent_does_not_leave_trailing_separator():
    table = inline_table()
    table["foo"] = "bar"
    table["baz"] = "boom"

    assert '{foo = "bar", baz = "boom"}' == table.as_string()

    del table["baz"]

    assert '{foo = "bar"}' == table.as_string()

    table = inline_table()
    table["foo"] = "bar"

    del table["foo"]

    table["baz"] = "boom"

    assert '{baz = "boom"}' == table.as_string()


def test_booleans_comparison():
    boolean = Bool(True, Trivia())

    assert boolean

    boolean = Bool(False, Trivia())

    assert not boolean

    s = """[foo]
value = false
"""

    content = parse(s)

    assert {"foo": {"value": False}} == content
    assert {"value": False} == content["foo"]