# Copyright (c) 2010-2019 openpyxl


# Python stdlib imports
from datetime import (
    time,
    datetime,
    date,
    timedelta,
)

# 3rd party imports
import pytest

# package imports

from openpyxl.comments import Comment
from openpyxl.cell.cell import ERROR_CODES


@pytest.fixture
def DummyWorksheet():
    from openpyxl.utils.indexed_list import IndexedList
    from openpyxl.utils.datetime  import CALENDAR_WINDOWS_1900
    from openpyxl.cell import Cell

    class Wb(object):
        epoch = CALENDAR_WINDOWS_1900
        _fonts = IndexedList()
        _fills = IndexedList()
        _borders = IndexedList()
        _protections = IndexedList()
        _alignments = IndexedList()
        _number_formats = IndexedList()
        _cell_styles = IndexedList()


    class Ws(object):

        encoding = 'utf-8'
        parent = Wb()
        title = "Dummy Worksheet"
        _comment_count = 0

        def cell(self, column, row):
            return Cell(self, row=row, column=column)

    return Ws()


@pytest.fixture
def Cell():
    from ..cell import Cell
    return Cell


@pytest.fixture
def dummy_cell(DummyWorksheet, Cell):
    ws = DummyWorksheet
    cell = Cell(ws, column=1, row=1)
    return cell


def test_ctor(dummy_cell):
    cell = dummy_cell
    assert cell.data_type == 'n'
    assert cell.column == 1
    assert cell.row == 1
    assert cell.coordinate == "A1"
    assert cell.value is None

    assert cell.comment is None


@pytest.mark.parametrize("datatype", ['n', 'd', 's', 'b', 'f', 'e'])
def test_null(dummy_cell, datatype):
    cell = dummy_cell
    cell.data_type = datatype
    assert cell.data_type == datatype
    cell.value = None
    assert cell.data_type == 'n'


@pytest.mark.parametrize("value", ['hello', ".", '0800'])
def test_string(dummy_cell, value):
    cell = dummy_cell
    cell.value = 'hello'
    assert cell.data_type == 's'


@pytest.mark.parametrize("value", ['=42', '=if(A1<4;-1;1)'])
def test_formula(dummy_cell, value):
    cell = dummy_cell
    cell.value = value
    assert cell.data_type == 'f'


def test_not_formula(dummy_cell):
    dummy_cell.value = "="
    assert dummy_cell.data_type == 's'
    assert dummy_cell.value == "="


@pytest.mark.parametrize("value", [True, False])
def test_boolean(dummy_cell, value):
    cell = dummy_cell
    cell.value = value
    assert cell.data_type == 'b'


@pytest.mark.parametrize("error_string", ERROR_CODES)
def test_error_codes(dummy_cell, error_string):
    cell = dummy_cell
    cell.value = error_string
    assert cell.data_type == 'e'


@pytest.mark.parametrize("value, number_format",
                         [
                             (
                                 datetime(2010, 7, 13, 6, 37, 41),
                                 "yyyy-mm-dd h:mm:ss"
                             ),
                             (
                                 date(2010, 7, 13),
                                 "yyyy-mm-dd"
                             ),
                             (
                                 time(1, 3),
                                 "h:mm:ss",
                             )
                         ]
                         )
def test_insert_date(dummy_cell, value, number_format):
    cell = dummy_cell
    cell.value = value
    assert cell.data_type == 'd'
    assert cell.is_date
    assert cell.number_format == number_format


@pytest.mark.pandas_required
def test_timstamp(dummy_cell):
    from pandas import Timestamp
    cell = dummy_cell
    cell.value = Timestamp("2018-09-05")
    assert cell.number_format == "yyyy-mm-dd h:mm:ss"


def test_not_overwrite_time_format(dummy_cell):
    cell = dummy_cell
    cell.number_format = "mmm-yy"
    cell.value = date(2010, 7, 13)
    assert cell.number_format == "mmm-yy"


@pytest.mark.parametrize("value, is_date",
                         [
                             (None, True,),
                             ("testme", False),
                             (True, False),
                         ]
                         )
def test_cell_formatted_as_date(dummy_cell, value, is_date):
    cell = dummy_cell
    cell.value = datetime.today()
    cell.value = value
    assert cell.is_date == is_date
    assert cell.value == value


def test_illegal_characters(dummy_cell):
    from openpyxl.utils.exceptions import IllegalCharacterError
    from itertools import chain
    cell = dummy_cell

    # The bytes 0x00 through 0x1F inclusive must be manually escaped in values.

    illegal_chrs = chain(range(9), range(11, 13), range(14, 32))
    for i in illegal_chrs:
        with pytest.raises(IllegalCharacterError):
            cell.value = chr(i)

        with pytest.raises(IllegalCharacterError):
            cell.value = "A {0} B".format(chr(i))

    cell.value = chr(33)
    cell.value = chr(9)  # Tab
    cell.value = chr(10)  # Newline
    cell.value = chr(13)  # Carriage return
    cell.value = " Leading and trailing spaces are legal "



@pytest.mark.xfail
def test_timedelta(dummy_cell):
    cell = dummy_cell
    cell.value = timedelta(days=1, hours=3)
    assert cell.value == 1.125
    assert cell.data_type == 'n'
    assert cell.is_date is False
    assert cell.number_format == "[hh]:mm:ss"


def test_repr(dummy_cell):
    cell = dummy_cell
    assert repr(cell) == "<Cell 'Dummy Worksheet'.A1>"


def test_repr_object(dummy_cell):

    class Dummy:

        def __str__(self):
            return "something"

    cell = dummy_cell
    try:
        cell._bind_value(Dummy())
    except ValueError as err:
        assert "something" not in str(err)


def test_comment_assignment(dummy_cell):
    assert dummy_cell.comment is None
    comm = Comment("text", "author")
    dummy_cell.comment = comm
    assert dummy_cell.comment == comm


def test_only_one_cell_per_comment(dummy_cell):
    ws = dummy_cell.parent
    comm = Comment('text', 'author')
    dummy_cell.comment = comm

    c2 = ws.cell(column=1, row=2)
    c2.comment = comm
    assert c2.comment.parent is c2


def test_remove_comment(dummy_cell):
    comm = Comment('text', 'author')
    dummy_cell.comment = comm
    dummy_cell.comment = None
    assert dummy_cell.comment is None


def test_cell_offset(dummy_cell):
    cell = dummy_cell
    assert cell.offset(2, 1).coordinate == 'B3'


class TestEncoding:

    try:
        # Python 2
        pound = unichr(163)
    except NameError:
        # Python 3
        pound = chr(163)
    test_string = ('Compound Value (' + pound + ')').encode('latin1')

    def test_bad_encoding(self):
        from openpyxl import Workbook

        wb = Workbook()
        ws = wb.active
        cell = ws['A1']
        with pytest.raises(UnicodeDecodeError):
            cell.check_string(self.test_string)
        with pytest.raises(UnicodeDecodeError):
            cell.value = self.test_string

    def test_good_encoding(self):
        from openpyxl import Workbook

        wb = Workbook()
        wb.encoding = 'latin1'
        ws = wb.active
        cell = ws['A1']
        cell.value = self.test_string


def test_font(DummyWorksheet, Cell):
    from openpyxl.styles import Font
    font = Font(bold=True)
    ws = DummyWorksheet
    ws.parent._fonts.add(font)

    cell = Cell(ws, row=1, column=1)
    assert cell.font == font


def test_fill(DummyWorksheet, Cell):
    from openpyxl.styles import PatternFill
    fill = PatternFill(patternType="solid", fgColor="FF0000")
    ws = DummyWorksheet
    ws.parent._fills.add(fill)

    cell = Cell(ws, column='A', row=1)
    assert cell.fill == fill


def test_border(DummyWorksheet, Cell):
    from openpyxl.styles import Border
    border = Border()
    ws = DummyWorksheet
    ws.parent._borders.add(border)

    cell = Cell(ws, column='A', row=1)
    assert cell.border == border


def test_number_format(DummyWorksheet, Cell):
    ws = DummyWorksheet
    ws.parent._number_formats.add("dd--hh--mm")

    cell = Cell(ws, column="A", row=1)
    cell.number_format = "dd--hh--mm"
    assert cell.number_format == "dd--hh--mm"


def test_alignment(DummyWorksheet, Cell):
    from openpyxl.styles import Alignment
    align = Alignment(wrapText=True)
    ws = DummyWorksheet
    ws.parent._alignments.add(align)

    cell = Cell(ws, column="A", row=1)
    assert cell.alignment == align


def test_protection(DummyWorksheet, Cell):
    from openpyxl.styles import Protection
    prot = Protection(locked=False)
    ws = DummyWorksheet
    ws.parent._protections.add(prot)

    cell = Cell(ws, column="A", row=1)
    assert cell.protection == prot


def test_pivot_button(DummyWorksheet, Cell):
    ws = DummyWorksheet

    cell = Cell(ws, column="A", row=1)
    cell.style_id
    cell._style.pivotButton = 1
    assert cell.pivotButton is True


def test_quote_prefix(DummyWorksheet, Cell):
    ws = DummyWorksheet

    cell = Cell(ws, column="A", row=1)
    cell.style_id
    cell._style.quotePrefix = 1
    assert cell.quotePrefix is True


def test_remove_hyperlink(dummy_cell):
    """Remove a cell hyperlink"""
    cell = dummy_cell
    cell.hyperlink = "http://test.com"
    cell.hyperlink = None
    assert cell.hyperlink is None


@pytest.fixture
def MergedCell(DummyWorksheet):
    from ..cell import MergedCell
    return MergedCell(DummyWorksheet)


class TestMergedCell:

    def test_value(self, MergedCell):
        cell = MergedCell
        assert cell._value is None


    def test_data_type(self, MergedCell):
        cell = MergedCell
        assert cell.data_type == 'n'


    def test_comment(self, MergedCell):
        cell = MergedCell
        assert cell.comment is None


    def test_coordinate(self, MergedCell):
        cell = MergedCell
        cell.row = 1
        cell.column = 1
        assert cell.coordinate == "A1"


    def test_repr(self, MergedCell):
        cell = MergedCell
        cell.row = 1
        cell.column = 1
        assert repr(cell) == "<MergedCell 'Dummy Worksheet'.A1>"


    def test_hyperlink(self, MergedCell):
        cell = MergedCell
        assert cell.hyperlink is None


@pytest.mark.numpy_required
def test_write_numpy_to_cell(dummy_cell):
    import numpy
    data = numpy.array([1.0])
    cell = dummy_cell
    cell.value = data[0]
