from __future__ import annotations

import unittest

import urwid
from urwid import graphics


class LineBoxTest(unittest.TestCase):
    def setUp(self) -> None:
        self.old_encoding = urwid.util._target_encoding
        urwid.set_encoding("utf-8")

    def tearDown(self) -> None:
        urwid.set_encoding(self.old_encoding)

    def border(self, tl, t, tr, l, r, bl, b, br):
        return [b''.join([tl, t, tr]),
                b''.join([l, b" ", r]),
                b''.join([bl, b, br]),]

    def test_linebox_pack(self):
        # Bug #346 'pack' Padding does not run with LineBox
        t = urwid.Text("AAA\nCCC\nDDD")
        size = t.pack()
        l = urwid.LineBox(t)

        self.assertEqual(l.pack()[0], size[0] + 2)
        self.assertEqual(l.pack()[1], size[1] + 2)

    def test_linebox_border(self):
        t = urwid.Text("")

        l = urwid.LineBox(t).render((3,)).text

        # default
        self.assertEqual(l,
            self.border(b"\xe2\x94\x8c", b"\xe2\x94\x80",
                b"\xe2\x94\x90", b"\xe2\x94\x82", b"\xe2\x94\x82",
                b"\xe2\x94\x94", b"\xe2\x94\x80", b"\xe2\x94\x98"))

        nums = [str(n).encode('iso8859-1') for n in range(8)]
        b = dict(zip(["tlcorner", "tline", "trcorner", "lline", "rline",
            "blcorner", "bline", "brcorner"], nums))
        l = urwid.LineBox(t, **b).render((3,)).text

        self.assertEqual(l, self.border(*nums))


class BarGraphTest(unittest.TestCase):
    def bgtest(self, desc, data, top, widths, maxrow, exp ):
        rval = graphics.calculate_bargraph_display(data,top,widths,maxrow)
        assert rval == exp, f"{desc} expected {exp!r}, got {rval!r}"

    def test1(self):
        self.bgtest('simplest',[[0]],5,[1],1,
            [(1,[(0,1)])] )
        self.bgtest('simpler',[[0],[0]],5,[1,2],5,
            [(5,[(0,3)])] )
        self.bgtest('simple',[[5]],5,[1],1,
            [(1,[(1,1)])] )
        self.bgtest('2col-1',[[2],[0]],5,[1,2],5,
            [(3,[(0,3)]), (2,[(1,1),(0,2)]) ] )
        self.bgtest('2col-2',[[0],[2]],5,[1,2],5,
            [(3,[(0,3)]), (2,[(0,1),(1,2)]) ] )
        self.bgtest('2col-3',[[2],[3]],5,[1,2],5,
            [(2,[(0,3)]), (1,[(0,1),(1,2)]), (2,[(1,3)]) ] )
        self.bgtest('3col-1',[[5],[3],[0]],5,[2,1,1],5,
            [(2,[(1,2),(0,2)]), (3,[(1,3),(0,1)]) ] )
        self.bgtest('3col-2',[[4],[4],[4]],5,[2,1,1],5,
            [(1,[(0,4)]), (4,[(1,4)]) ] )
        self.bgtest('3col-3',[[1],[2],[3]],5,[2,1,1],5,
            [(2,[(0,4)]), (1,[(0,3),(1,1)]), (1,[(0,2),(1,2)]),
             (1,[(1,4)]) ] )
        self.bgtest('3col-4',[[4],[2],[4]],5,[1,2,1],5,
            [(1,[(0,4)]), (2,[(1,1),(0,2),(1,1)]), (2,[(1,4)]) ] )

    def test2(self):
        self.bgtest('simple1a',[[2,0],[2,1]],2,[1,1],2,
            [(1,[(1,2)]),(1,[(1,1),(2,1)]) ] )
        self.bgtest('simple1b',[[2,1],[2,0]],2,[1,1],2,
            [(1,[(1,2)]),(1,[(2,1),(1,1)]) ] )
        self.bgtest('cross1a',[[2,2],[1,2]],2,[1,1],2,
            [(2,[(2,2)]) ] )
        self.bgtest('cross1b',[[1,2],[2,2]],2,[1,1],2,
            [(2,[(2,2)]) ] )
        self.bgtest('mix1a',[[3,2,1],[2,2,2],[1,2,3]],3,[1,1,1],3,
            [(1,[(1,1),(0,1),(3,1)]),(1,[(2,1),(3,2)]),
             (1,[(3,3)]) ] )
        self.bgtest('mix1b',[[1,2,3],[2,2,2],[3,2,1]],3,[1,1,1],3,
            [(1,[(3,1),(0,1),(1,1)]),(1,[(3,2),(2,1)]),
             (1,[(3,3)]) ] )

class SmoothBarGraphTest(unittest.TestCase):
    def setUp(self) -> None:
        self.old_encoding = urwid.util._target_encoding
        urwid.set_encoding("utf-8")

    def tearDown(self) -> None:
        urwid.set_encoding(self.old_encoding)

    def sbgtest(self, desc, data, top, exp ):
        g = urwid.BarGraph( ['black','red','blue'],
                None, {(1,0):'red/black', (2,1):'blue/red'})
        g.set_data( data, top )
        rval = g.calculate_display((5,3))
        assert rval == exp, f"{desc} expected {exp!r}, got {rval!r}"

    def test1(self):
        self.sbgtest('simple', [[3]], 5,
            [(1, [(0, 5)]), (1, [((1, 0, 6), 5)]), (1, [(1, 5)])] )
        self.sbgtest('boring', [[4,2]], 6,
            [(1, [(0, 5)]), (1, [(1, 5)]), (1, [(2,5)]) ] )
        self.sbgtest('two', [[4],[2]], 6,
            [(1, [(0, 5)]), (1, [(1, 3), (0, 2)]), (1, [(1, 5)]) ] )
        self.sbgtest('twos', [[3],[4]], 6,
            [(1, [(0, 5)]), (1, [((1,0,4), 3), (1, 2)]), (1, [(1,5)]) ] )
        self.sbgtest('twof', [[4],[3]], 6,
            [(1, [(0, 5)]), (1, [(1,3), ((1,0,4), 2)]), (1, [(1,5)]) ] )