# Copyright (c) 2010-2021 openpyxl

# test imports
import pytest

from itertools import islice

# package imports
from openpyxl.workbook import Workbook
from openpyxl.cell import Cell
from ..cell_range import CellRange

from openpyxl.worksheet.table import Table, TableList

class DummyWorkbook:

    encoding = "UTF-8"

    def __init__(self):
        self.sheetnames = []


@pytest.fixture
def Worksheet():
    from ..worksheet import Worksheet
    return Worksheet


class TestWorksheet:


    def test_path(self, Worksheet):
        ws = Worksheet(Workbook())
        assert ws.path == "/xl/worksheets/sheetNone.xml"

    def test_new_worksheet(self, Worksheet):
        wb = Workbook()
        ws = Worksheet(wb)
        assert ws.parent == wb


    def test_get_cell(self, Worksheet):
        ws = Worksheet(Workbook())
        cell = ws.cell(row=1, column=1)
        assert cell.coordinate == 'A1'


    def test_invalid_cell(self, Worksheet):
        wb = Workbook()
        ws = Worksheet(wb)
        with pytest.raises(ValueError):
            ws.cell(row=0, column=0)


    def test_worksheet_dimension(self, Worksheet):
        ws = Worksheet(Workbook())
        assert 'A1:A1' == ws.calculate_dimension()
        ws['B12'].value = 'AAA'
        assert 'B12:B12' == ws.calculate_dimension()


    @pytest.mark.parametrize("row, column, coordinate",
                             [
                                 (1, 0, 'A1'),
                                 (9, 2, 'C9'),
                             ])
    def test_fill_rows(self, Worksheet, row, column, coordinate):
        ws = Worksheet(Workbook())
        ws['A1'] = 'first'
        ws['C9'] = 'last'
        assert ws.calculate_dimension() == 'A1:C9'
        rows = ws.iter_rows()
        first_row = next(islice(rows, row - 1, row))
        assert first_row[column].coordinate == coordinate


    def test_iter_rows(self, Worksheet):
        ws = Worksheet(Workbook())
        expected = [
            ('A1', 'B1', 'C1'),
            ('A2', 'B2', 'C2'),
            ('A3', 'B3', 'C3'),
            ('A4', 'B4', 'C4'),
        ]

        rows = ws.iter_rows(min_row=1, min_col=1, max_row=4, max_col=3)
        for row, coord in zip(rows, expected):
            assert tuple(c.coordinate for c in row) == coord


    def test_cell_alternate_coordinates(self, Worksheet):
        ws = Worksheet(Workbook())
        cell = ws.cell(row=8, column=4)
        assert 'D8' == cell.coordinate


    def test_cell_insufficient_coordinates(self, Worksheet):
        ws = Worksheet(Workbook())
        with pytest.raises(TypeError):
            ws.cell(row=8)


    def test_hyperlink_value(self, Worksheet):
        ws = Worksheet(Workbook())
        ws['A1'].hyperlink = "http://test.com"
        assert "http://test.com" == ws['A1'].value
        ws['A1'].value = "test"
        assert "test" == ws['A1'].value


    def test_append(self, Worksheet):
        ws = Worksheet(Workbook())
        ws.append(['value'])
        assert ws['A1'].value == "value"


    def test_append_list(self, Worksheet):
        ws = Worksheet(Workbook())

        ws.append(['This is A1', 'This is B1'])

        assert 'This is A1' == ws['A1'].value
        assert 'This is B1' == ws['B1'].value

    def test_append_dict_letter(self, Worksheet):
        ws = Worksheet(Workbook())

        ws.append({'A' : 'This is A1', 'C' : 'This is C1'})

        assert 'This is A1' == ws['A1'].value
        assert 'This is C1' == ws['C1'].value

    def test_append_dict_index(self, Worksheet):
        ws = Worksheet(Workbook())

        ws.append({1 : 'This is A1', 3 : 'This is C1'})

        assert 'This is A1' == ws['A1'].value
        assert 'This is C1' == ws['C1'].value

    def test_bad_append(self, Worksheet):
        ws = Worksheet(Workbook())
        with pytest.raises(TypeError):
            ws.append("test")


    def test_append_range(self, Worksheet):
        ws = Worksheet(Workbook())
        ws.append(range(30))
        assert ws['AD1'].value == 29


    def test_append_iterator(self, Worksheet):
        def itty():
            for i in range(30):
                yield i

        ws = Worksheet(Workbook())
        gen = itty()
        ws.append(gen)
        assert ws['AD1'].value == 29


    def test_append_2d_list(self, Worksheet):

        ws = Worksheet(Workbook())

        ws.append(['This is A1', 'This is B1'])
        ws.append(['This is A2', 'This is B2'])

        expected = (
            ('This is A1', 'This is B1'),
            ('This is A2', 'This is B2'),
        )
        for e, v in zip(expected, ws.values):
            assert e == tuple(v)


    def test_append_cell(self, Worksheet):
        from openpyxl.cell import Cell

        cell = Cell(None, 'A', 1, 25)

        ws = Worksheet(Workbook())
        ws.append([])

        ws.append([cell])

        assert ws['A2'].value == 25


    def test_rows(self, Worksheet):

        ws = Worksheet(Workbook())

        ws['A1'] = 'first'
        ws['C9'] = 'last'

        rows = tuple(ws.rows)

        assert len(rows) == 9
        first_row = rows[0]
        last_row = rows[-1]

        assert first_row[0].value == 'first' and first_row[0].coordinate == 'A1'
        assert last_row[-1].value == 'last'


    def test_no_rows(self, Worksheet):
        ws = Worksheet(Workbook())
        assert tuple(ws.rows) == ()


    def test_no_cols(self, Worksheet):
        ws = Worksheet(Workbook())
        assert tuple(ws.columns) == ()


    def test_one_cell(self, Worksheet):
        ws = Worksheet(Workbook())
        c = ws['A1']
        assert tuple(ws.rows) == tuple(ws.columns) == ((c,),)


    def test_by_col(self, Worksheet):
        ws = Worksheet(Workbook())
        c = ws['A1']
        cols = ws._cells_by_col(1, 1, 1, 1)
        assert tuple(cols) == ((c,),)


    def test_cols(self, Worksheet):
        ws = Worksheet(Workbook())

        ws['A1'] = 'first'
        ws['C9'] = 'last'
        expected = [
            ('A1', 'A2', 'A3', 'A4', 'A5', 'A6', 'A7', 'A8', 'A9'),
            ('B1', 'B2', 'B3', 'B4', 'B5', 'B6', 'B7', 'B8', 'B9'),
            ('C1', 'C2', 'C3', 'C4', 'C5', 'C6', 'C7', 'C8', 'C9'),

        ]

        cols = tuple(ws.columns)
        for col, coord in zip(cols, expected):
            assert tuple(c.coordinate for c in col) == coord

        assert len(cols) == 3

        assert cols[0][0].value == 'first'
        assert cols[-1][-1].value == 'last'


    def test_values(self, Worksheet):
        ws = Worksheet(Workbook())
        ws.append([1, 2, 3])
        ws.append([4, 5, 6])
        vals = ws.values
        assert next(vals) == (1, 2, 3)
        assert next(vals) == (4, 5, 6)


    def test_auto_filter(self, Worksheet):
        ws = Worksheet(Workbook())

        ws.auto_filter.ref = 'c1:g9'
        assert ws.auto_filter.ref == 'C1:G9'

    def test_getitem(self, Worksheet):
        ws = Worksheet(Workbook())
        c = ws['A1']
        assert isinstance(c, Cell)
        assert c.coordinate == "A1"
        assert ws['A1'].value is None


    @pytest.mark.parametrize("key", [
        slice(None, None),
        slice(None, -1),
        ":",
        "A0",
        ]
    )
    def test_getitem_invalid(self, Worksheet, key):
        ws = Worksheet(Workbook())
        with pytest.raises((IndexError, ValueError)):
            ws[key]


    def test_setitem(self, Worksheet):
        ws = Worksheet(Workbook())
        ws['A12'] = 5
        assert ws['A12'].value == 5


    def test_delitem(self, dummy_worksheet):
        ws = dummy_worksheet

        assert (2, 1) in ws._cells

        del ws['A2']
        assert (2, 1) not in ws._cells


    def test_getslice(self, Worksheet):
        ws = Worksheet(Workbook())
        ws['B2'] = "cell"
        cell_range = ws['A1':'B2']
        assert cell_range == (
            (ws['A1'], ws['B1']),
            (ws['A2'], ws['B2'])
        )

    @pytest.mark.parametrize("key", ["C", "C:C"])
    def test_get_single__column(self, Worksheet, key):
        ws = Worksheet(Workbook())
        c1 = ws.cell(row=1, column=3)
        c2 = ws.cell(row=2, column=3, value=5)
        assert ws["C"] == (c1, c2)


    @pytest.mark.parametrize("key", [2, "2", "2:2"])
    def test_get_row(self, Worksheet, key):
        ws = Worksheet(Workbook())
        a2 = ws.cell(row=2, column=1)
        b2 = ws.cell(row=2, column=2)
        c2 = ws.cell(row=2, column=3, value=5)
        assert ws[key] == (a2, b2, c2)


    def test_freeze(self, Worksheet):
        ws = Worksheet(Workbook())
        ws.freeze_panes = ws['b2']
        assert ws.freeze_panes == 'B2'

        ws.freeze_panes = ''
        assert ws.freeze_panes is None

        ws.freeze_panes = 'C5'
        assert ws.freeze_panes == 'C5'

        ws.freeze_panes = ws['A1']
        assert ws.freeze_panes is None


    def test_merged_cells_lookup(self, Worksheet):
        ws = Worksheet(Workbook())
        ws.merge_cells("A1:N50")
        merged = ws.merged_cells
        assert 'A1' in merged
        assert 'N50' in merged
        assert 'A51' not in merged
        assert 'O1' not in merged


    def test_merged_cell_ranges(self, Worksheet):
        ws = Worksheet(Workbook())
        assert ws.merged_cells.ranges == []


    def test_merge_range_string(self, Worksheet):
        ws = Worksheet(Workbook())
        ws['A1'] = 1
        ws['D4'] = 16
        assert (4, 4) in ws._cells
        ws.merge_cells(range_string="A1:D4")
        assert ws.merged_cells == "A1:D4"
        assert ws.cell(4, 4).__class__.__name__ == "MergedCell"
        assert (1, 1) in ws._cells


    def test_merge_coordinate(self, Worksheet):
        ws = Worksheet(Workbook())
        ws.merge_cells(start_row=1, start_column=1, end_row=4, end_column=4)
        assert ws.merged_cells == "A1:D4"


    def test_merge_more_columns_than_rows(self, Worksheet):
        ws = Worksheet(Workbook())
        ws.merge_cells(start_row=1, start_column=1, end_row=2, end_column=4)
        assert ws.merged_cells == "A1:D2"


    def test_merge_more_rows_than_columns(self, Worksheet):
        ws = Worksheet(Workbook())
        ws.merge_cells(start_row=1, start_column=1, end_row=4, end_column=2)
        assert ws.merged_cells == "A1:B4"


    def test_unmerge_range_string(self, Worksheet):
        ws = Worksheet(Workbook())
        ws.merge_cells("A1:D4")
        ws.unmerge_cells("A1:D4")
        assert ws.merged_cells == ""


    def test_unmerge_coordinate(self, Worksheet):
        ws = Worksheet(Workbook())
        ws.merge_cells("A1:D4")
        ws.unmerge_cells(start_row=1, start_column=1, end_row=4, end_column=4)
        assert ws.merged_cells == ""
        assert (4, 4) not in ws._cells


    @pytest.mark.parametrize("rows, cols, titles",
                             [
                                ("1:4", None, "1:4"),
                                (None, "A:F", "A:F"),
                                ("1:2", "C:D", "1:2,C:D"),
                             ]
                             )
    def test_print_titles_new(self, rows, cols, titles):
        wb = Workbook()
        ws = wb.active
        ws.print_title_rows = rows
        ws.print_title_cols = cols
        assert ws.print_titles == titles


    @pytest.mark.parametrize("cell_range, result",
                             [
                                 ("A1:F5",  ["$A$1:$F$5"]),
                                 (["$A$1:$F$5"],  ["$A$1:$F$5"]),
                             ]
                             )
    def test_print_area(self, cell_range, result):
        wb = Workbook()
        ws = wb.active
        ws.print_area = cell_range
        assert ws.print_area == result


    def test_active_cell(self, Worksheet):
        ws = Worksheet(Workbook())
        assert ws.active_cell == 'A1'


    def test_selected_cell(self, Worksheet):
        ws = Worksheet(Workbook())
        assert ws.selected_cell == 'A1'


    def test_gridlines(self, Worksheet):
        ws = Worksheet(Workbook())
        assert not ws.show_gridlines


    def test_add_table(self, Worksheet):
        tbl_ws = Worksheet(Workbook())
        table1 = Table(displayName="Table1", ref="A1:D10")
        tbl_ws.add_table(table1)
        assert len(tbl_ws._tables) == 1


def test_freeze_panes_horiz(Worksheet):
    ws = Worksheet(Workbook())
    ws.freeze_panes = 'A4'

    view = ws.sheet_view
    assert len(view.selection) == 1
    assert dict(view.selection[0]) == {'activeCell': 'A1', 'pane': 'bottomLeft', 'sqref': 'A1'}
    assert dict(view.pane) == {'activePane': 'bottomLeft', 'state': 'frozen',
                               'topLeftCell': 'A4', 'ySplit': '3'}


def test_freeze_panes_vert(Worksheet):
    ws = Worksheet(Workbook())
    ws.freeze_panes = 'D1'

    view = ws.sheet_view
    assert len(view.selection) == 1
    assert dict(view.selection[0]) ==  {'activeCell': 'A1', 'pane': 'topRight', 'sqref': 'A1'}
    assert dict(view.pane) == {'activePane': 'topRight', 'state': 'frozen',
                               'topLeftCell': 'D1', 'xSplit': '3'}


def test_freeze_panes_both(Worksheet):
    ws = Worksheet(Workbook())
    ws.freeze_panes = 'D4'

    view = ws.sheet_view
    assert len(view.selection) == 3
    assert dict(view.selection[0]) == {'pane': 'topRight'}
    assert dict(view.selection[1]) == {'pane': 'bottomLeft',}
    assert dict(view.selection[2]) == {'activeCell': 'A1', 'pane': 'bottomRight', 'sqref': 'A1'}
    assert dict(view.pane) == {'activePane': 'bottomRight', 'state': 'frozen',
                               'topLeftCell': 'D4', 'xSplit': '3', "ySplit":"3"}


def test_min_column(Worksheet):
    ws = Worksheet(DummyWorkbook())
    assert ws.min_column == 1


def test_max_column(Worksheet):
    ws = Worksheet(DummyWorkbook())
    ws['F1'] = 10
    ws['F2'] = 32
    ws['F3'] = '=F1+F2'
    ws['A4'] = '=A1+A2+A3'
    assert ws.max_column == 6


def test_min_row(Worksheet):
    ws = Worksheet(DummyWorkbook())
    assert ws.min_row == 1


def test_max_row(Worksheet):
    ws = Worksheet(DummyWorkbook())
    ws.append([])
    ws.append([5])
    ws.append([])
    ws.append([4])
    assert ws.max_row == 4


def test_add_chart(Worksheet):
    from openpyxl.chart import BarChart
    ws = Worksheet(DummyWorkbook())
    chart = BarChart()
    ws.add_chart(chart, "A1")
    assert chart.anchor == "A1"


@pytest.mark.pil_required
def test_add_image(Worksheet):
    from openpyxl.drawing.image import Image
    from PIL.Image import Image as PILImage

    ws = Worksheet(DummyWorkbook())
    im = Image(PILImage())
    ws.add_image(im, "D5")


@pytest.fixture
def dummy_worksheet(Worksheet):
    """
    Creates a worksheet A1:H6 rows with values the same as cell coordinates
    """
    ws = Worksheet(DummyWorkbook())

    for row in ws.iter_rows(max_row=6, max_col=8):
        for cell in row:
            cell.value = cell.coordinate

    return ws


class TestEditableWorksheet:


    def test_move_row_down(self, dummy_worksheet):
        ws = dummy_worksheet
        assert ws.max_row == 6

        ws._move_cells(min_row=5, offset=1, row_or_col="row")

        assert ws.max_row == 7
        assert [c.value for c in ws[5]] == [None]*8


    def test_move_col_right(self, dummy_worksheet):
        ws = dummy_worksheet
        assert ws.max_column == 8

        ws._move_cells(min_col=3, offset=2, row_or_col="column")

        assert ws.max_column == 10
        assert [c.value for c in ws['D']] == [None]*6


    def test_move_row_up(self, dummy_worksheet):
        ws = dummy_worksheet
        assert ws.max_row == 6

        ws._move_cells(min_row=4, offset=-1, row_or_col="row")

        assert ws.max_row == 5
        assert [c.value for c in ws['A']] == ["A1", "A2", "A4", "A5", "A6"]


    def test_insert_rows(self, dummy_worksheet):
        ws = dummy_worksheet

        ws.insert_rows(2, 2)

        assert ws.max_row == 8
        assert ws._current_row == 8
        assert [c.value for c in ws[2]] == [None]*8


    def test_insert_cols(self, dummy_worksheet):
        ws = dummy_worksheet

        ws.insert_cols(3)

        assert ws.max_column == 9
        assert [c.value for c in ws['G']] == ['F1', 'F2', 'F3', 'F4', 'F5', 'F6']


    def test_delete_rows(self, dummy_worksheet):
        ws = dummy_worksheet

        ws.delete_rows(2, 3)

        assert ws.max_row == 3
        assert ws._current_row == 3
        assert [c.value for c in ws['B']] == ['B1', 'B5', 'B6']


    def test_deleta_all_rows(self, dummy_worksheet):
        ws = dummy_worksheet

        ws.delete_rows(1, 6)

        assert ws.max_row == 1
        assert ws._current_row == 0


    def test_delete_cols(self, dummy_worksheet):
        ws = dummy_worksheet

        ws.delete_cols(5, 2)

        assert ws.max_column == 6
        assert [c.value for c in ws[3]] == ['A3', 'B3', 'C3', 'D3', 'G3', 'H3']


    def test_delete_missing_cols(self, dummy_worksheet):
        ws = dummy_worksheet
        del ws['H2']

        ws.delete_cols(7)

        assert ws['G2'].value is None


    def test_delete_missing_rows(self, dummy_worksheet):
        ws = dummy_worksheet
        del ws['B4']

        ws.delete_rows(3)

        assert ws['B3'].value is None


    @pytest.mark.parametrize("idx, offset, max_val, remainder",
                             [
                                 (1, 3, 6, {4}),
                                 (2, 3, 6, {4, 5}),
                                 (3, 3, 6, {4, 5, 6}),
                                 (4, 3, 6, {4, 5, 6}),
                                 (5, 3, 6, {5, 6}),
                                 (6, 3, 6, {6}),
                                 (6, 1, 6, {6}),
                             ]
                             )
    def test_remainder(self, dummy_worksheet, idx, offset, max_val, remainder):
        from ..worksheet import _gutter
        assert set(_gutter(idx, offset, max_val)) == remainder


    def test_delete_last_col(self, dummy_worksheet):
        ws = dummy_worksheet
        ws.delete_cols(8)
        assert ws.max_column == 7
        assert ws['H8'].value == None


    def test_delete_last_row(self, dummy_worksheet):
        ws = dummy_worksheet
        ws.delete_rows(6)
        assert ws.max_row == 5
        assert ws['A6'].value == None


    def test_move_cell(self, dummy_worksheet):
        ws = dummy_worksheet
        ws._move_cell(1, 1, 3, 6)
        cell = ws['G4']
        assert cell.value == 'A1'
        assert cell.coordinate == 'G4'
        assert ws['A1'].value is None


    @pytest.mark.parametrize("translate, formula, result",
                             [
                                 (False, "=SUM(G1:G3)", "=SUM(G1:G3)"),
                                 (True, "=SUM(G1:G3)", "=SUM(I2:I4)"),
                                 (True, "I2:I4", "I2:I4"),
                             ]
                             )
    def test_move_translated_fomula(self, dummy_worksheet, translate, formula, result):
        ws = dummy_worksheet
        cell = ws['G4']
        cell.value = formula
        ws._move_cell(row=4, column=7, row_offset=1, col_offset=2, translate=translate)
        moved = ws['I5']
        assert moved.value == result


    def test_move_nothing(self, dummy_worksheet):
        ws = dummy_worksheet
        ws.move_range("B2:E5")
        assert ws['B2'].value == "B2"


    def test_move_range_down(self, dummy_worksheet):
        ws = dummy_worksheet
        cr = CellRange("B2:E5")
        ws.move_range(cr, rows=2)
        assert ws['B4'].value == "B2"
        assert cr.coord == "B4:E7"


    def test_move_range_up(self, dummy_worksheet):
        ws = dummy_worksheet
        cr = CellRange("B4:E5")
        ws.move_range(cr, rows=-2)
        assert ws['B2'].value == "B4"
        assert cr.coord == "B2:E3"


    def test_move_range_right(self, dummy_worksheet):
        ws = dummy_worksheet
        cr = CellRange("B2:E5")
        ws.move_range(cr, cols=2)
        assert ws['D2'].value == "B2"
        assert cr.coord == "D2:G5"


    def test_move_range_left(self, dummy_worksheet):
        ws = dummy_worksheet
        cr = CellRange("D2:E5")
        ws.move_range(cr, cols=-2)
        assert ws['B2'].value == "D2"
        assert cr.coord == "B2:C5"


    def test_move_empty_range(self, dummy_worksheet):
        ws = dummy_worksheet
        cr = CellRange("A7:E15")
        ws.move_range(cr, rows=-2)
        assert ws['A6'].value is None
        assert cr.coord == "A5:E13"


    def test_move_range_from_string(self, dummy_worksheet):
        ws = dummy_worksheet
        ws.move_range("B2:E5", rows=2)
        assert ws['B4'].value == "B2"


    def test_move_range_with_formula(self, dummy_worksheet):
        ws = dummy_worksheet
        ws['G4'] = "=SUM(G1:G3)"
        ws.move_range("G4", 1, 1, True)
        assert ws['H5'].value == "=SUM(H2:H4)"
