# encoding: utf-8
import os

from test.vim_test_case import VimTestCase as _VimTest
from test.constant import EX, JF, ESC
from test.util import running_on_windows

# ShellCode Interpolation  {{{#


class TabStop_Shell_SimpleExample(_VimTest):
    skip_if = lambda self: running_on_windows()
    snippets = ('test', 'hi `echo hallo` you!')
    keys = 'test' + EX + 'and more'
    wanted = 'hi hallo you!and more'


class TabStop_Shell_WithUmlauts(_VimTest):
    skip_if = lambda self: running_on_windows()
    snippets = ('test', 'hi `echo höüäh` you!')
    keys = 'test' + EX + 'and more'
    wanted = 'hi höüäh you!and more'


class TabStop_Shell_TextInNextLine(_VimTest):
    skip_if = lambda self: running_on_windows()
    snippets = ('test', 'hi `echo hallo`\nWeiter')
    keys = 'test' + EX + 'and more'
    wanted = 'hi hallo\nWeiterand more'


class TabStop_Shell_InDefValue_Leave(_VimTest):
    skip_if = lambda self: running_on_windows()
    snippets = ('test', 'Hallo ${1:now `echo fromecho`} end')
    keys = 'test' + EX + JF + 'and more'
    wanted = 'Hallo now fromecho endand more'


class TabStop_Shell_InDefValue_Overwrite(_VimTest):
    skip_if = lambda self: running_on_windows()
    snippets = ('test', 'Hallo ${1:now `echo fromecho`} end')
    keys = 'test' + EX + 'overwrite' + JF + 'and more'
    wanted = 'Hallo overwrite endand more'


class TabStop_Shell_TestEscapedChars_Overwrite(_VimTest):
    skip_if = lambda self: running_on_windows()
    snippets = ('test', r"""`echo \`echo "\\$hi"\``""")
    keys = 'test' + EX
    wanted = '$hi'


class TabStop_Shell_TestEscapedCharsAndShellVars_Overwrite(_VimTest):
    skip_if = lambda self: running_on_windows()
    snippets = ('test', r"""`hi="blah"; echo \`echo "$hi"\``""")
    keys = 'test' + EX
    wanted = 'blah'


class TabStop_Shell_ShebangPython(_VimTest):
    skip_if = lambda self: running_on_windows()
    snippets = ('test', """Hallo ${1:now `#!/usr/bin/env %s
print "Hallo Welt"
`} end""" % (os.environ.get('PYTHON', 'python2'),))
    keys = 'test' + EX + JF + 'and more'
    wanted = 'Hallo now Hallo Welt endand more'
# End: ShellCode Interpolation  #}}}
# VimScript Interpolation  {{{#


class TabStop_VimScriptInterpolation_SimpleExample(_VimTest):
    snippets = ('test', """hi `!v indent(".")` End""")
    keys = '    test' + EX
    wanted = '    hi 4 End'
# End: VimScript Interpolation  #}}}
# PythonCode Interpolation  {{{#
# Deprecated Implementation  {{{#


class PythonCodeOld_SimpleExample(_VimTest):
    snippets = ('test', """hi `!p res = "Hallo"` End""")
    keys = 'test' + EX
    wanted = 'hi Hallo End'


class PythonCodeOld_ReferencePlaceholderAfter(_VimTest):
    snippets = ('test', """${1:hi} `!p res = t[1]+".blah"` End""")
    keys = 'test' + EX + 'ho'
    wanted = 'ho ho.blah End'


class PythonCodeOld_ReferencePlaceholderBefore(_VimTest):
    snippets = ('test', """`!p res = len(t[1])*"#"`\n${1:some text}""")
    keys = 'test' + EX + 'Hallo Welt'
    wanted = '##########\nHallo Welt'


class PythonCodeOld_TransformedBeforeMultiLine(_VimTest):
    snippets = ('test', """${1/.+/egal/m} ${1:`!p
res = "Hallo"`} End""")
    keys = 'test' + EX
    wanted = 'egal Hallo End'


class PythonCodeOld_IndentedMultiline(_VimTest):
    snippets = ('test', """start `!p a = 1
b = 2
if b > a:
    res = "b isbigger a"
else:
    res = "a isbigger b"` end""")
    keys = '    test' + EX
    wanted = '    start b isbigger a end'
# End: Deprecated Implementation  #}}}
# New Implementation  {{{#


class PythonCode_UseNewOverOld(_VimTest):
    snippets = ('test', """hi `!p res = "Old"
snip.rv = "New"` End""")
    keys = 'test' + EX
    wanted = 'hi New End'


class PythonCode_SimpleExample(_VimTest):
    snippets = ('test', """hi `!p snip.rv = "Hallo"` End""")
    keys = 'test' + EX
    wanted = 'hi Hallo End'


class PythonCode_SimpleExample_ReturnValueIsEmptyString(_VimTest):
    snippets = ('test', """hi`!p snip.rv = ""`End""")
    keys = 'test' + EX
    wanted = 'hiEnd'


class PythonCode_ReferencePlaceholder(_VimTest):
    snippets = ('test', """${1:hi} `!p snip.rv = t[1]+".blah"` End""")
    keys = 'test' + EX + 'ho'
    wanted = 'ho ho.blah End'


class PythonCode_ReferencePlaceholderBefore(_VimTest):
    snippets = ('test', """`!p snip.rv = len(t[1])*"#"`\n${1:some text}""")
    keys = 'test' + EX + 'Hallo Welt'
    wanted = '##########\nHallo Welt'


class PythonCode_TransformedBeforeMultiLine(_VimTest):
    snippets = ('test', """${1/.+/egal/m} ${1:`!p
snip.rv = "Hallo"`} End""")
    keys = 'test' + EX
    wanted = 'egal Hallo End'


class PythonCode_MultilineIndented(_VimTest):
    snippets = ('test', """start `!p a = 1
b = 2
if b > a:
    snip.rv = "b isbigger a"
else:
    snip.rv = "a isbigger b"` end""")
    keys = '    test' + EX
    wanted = '    start b isbigger a end'


class PythonCode_SimpleAppend(_VimTest):
    snippets = ('test', """hi `!p snip.rv = "Hallo1"
snip += "Hallo2"` End""")
    keys = 'test' + EX
    wanted = 'hi Hallo1\nHallo2 End'


class PythonCode_MultiAppend(_VimTest):
    snippets = ('test', """hi `!p snip.rv = "Hallo1"
snip += "Hallo2"
snip += "Hallo3"` End""")
    keys = 'test' + EX
    wanted = 'hi Hallo1\nHallo2\nHallo3 End'


class PythonCode_MultiAppendSimpleIndent(_VimTest):
    snippets = ('test', """hi
`!p snip.rv="Hallo1"
snip += "Hallo2"
snip += "Hallo3"`
End""")
    keys = """
    test""" + EX
    wanted = """
    hi
    Hallo1
    Hallo2
    Hallo3
    End"""


class PythonCode_SimpleMkline(_VimTest):
    snippets = ('test', r"""hi
`!p snip.rv="Hallo1\n"
snip.rv += snip.mkline("Hallo2") + "\n"
snip.rv += snip.mkline("Hallo3")`
End""")
    keys = """
    test""" + EX
    wanted = """
    hi
    Hallo1
    Hallo2
    Hallo3
    End"""


class PythonCode_MultiAppendShift(_VimTest):
    snippets = ('test', r"""hi
`!p snip.rv="i1"
snip += "i1"
snip >> 1
snip += "i2"
snip << 2
snip += "i0"
snip >> 3
snip += "i3"`
End""")
    keys = """
	test""" + EX
    wanted = """
	hi
	i1
	i1
		i2
i0
			i3
	End"""


class PythonCode_MultiAppendShiftMethods(_VimTest):
    snippets = ('test', r"""hi
`!p snip.rv="i1\n"
snip.rv += snip.mkline("i1\n")
snip.shift(1)
snip.rv += snip.mkline("i2\n")
snip.unshift(2)
snip.rv += snip.mkline("i0\n")
snip.shift(3)
snip.rv += snip.mkline("i3")`
End""")
    keys = """
	test""" + EX
    wanted = """
	hi
	i1
	i1
		i2
i0
			i3
	End"""


class PythonCode_ResetIndent(_VimTest):
    snippets = ('test', r"""hi
`!p snip.rv="i1"
snip >> 1
snip += "i2"
snip.reset_indent()
snip += "i1"
snip << 1
snip += "i0"
snip.reset_indent()
snip += "i1"`
End""")
    keys = """
	test""" + EX
    wanted = """
	hi
	i1
		i2
	i1
i0
	i1
	End"""


class PythonCode_IndentEtSw(_VimTest):

    def _extra_vim_config(self, vim_config):
        vim_config.append('set sw=3')
        vim_config.append('set expandtab')
    snippets = ('test', r"""hi
`!p snip.rv = "i1"
snip >> 1
snip += "i2"
snip << 2
snip += "i0"
snip >> 1
snip += "i1"
`
End""")
    keys = """   test""" + EX
    wanted = """   hi
   i1
      i2
i0
   i1
   End"""


class PythonCode_IndentEtSwOffset(_VimTest):

    def _extra_vim_config(self, vim_config):
        vim_config.append('set sw=3')
        vim_config.append('set expandtab')
    snippets = ('test', r"""hi
`!p snip.rv = "i1"
snip >> 1
snip += "i2"
snip << 2
snip += "i0"
snip >> 1
snip += "i1"
`
End""")
    keys = """    test""" + EX
    wanted = """    hi
    i1
       i2
 i0
    i1
    End"""


class PythonCode_IndentNoetSwTs(_VimTest):

    def _extra_vim_config(self, vim_config):
        vim_config.append('set sw=3')
        vim_config.append('set ts=4')
    snippets = ('test', r"""hi
`!p snip.rv = "i1"
snip >> 1
snip += "i2"
snip << 2
snip += "i0"
snip >> 1
snip += "i1"
`
End""")
    keys = """   test""" + EX
    wanted = """   hi
   i1
\t  i2
i0
   i1
   End"""

# Test using 'opt'


class PythonCode_OptExists(_VimTest):

    def _extra_vim_config(self, vim_config):
        vim_config.append('let g:UStest="yes"')
    snippets = (
        'test',
        r"""hi `!p snip.rv = snip.opt("g:UStest") or "no"` End""")
    keys = """test""" + EX
    wanted = """hi yes End"""


class PythonCode_OptNoExists(_VimTest):
    snippets = (
        'test',
        r"""hi `!p snip.rv = snip.opt("g:UStest") or "no"` End""")
    keys = """test""" + EX
    wanted = """hi no End"""


class PythonCode_IndentProblem(_VimTest):
    # A test case which is likely related to bug 719649
    snippets = ('test', r"""hi `!p
snip.rv = "World"
` End""")
    keys = ' ' * 8 + 'test' + EX  # < 8 works.
    wanted = """        hi World End"""


class PythonCode_TrickyReferences(_VimTest):
    snippets = (
        'test',
        r"""${2:${1/.+/egal/}} ${1:$3} ${3:`!p snip.rv = "hi"`}""")
    keys = 'ups test' + EX
    wanted = 'ups egal hi hi'
# locals


class PythonCode_Locals(_VimTest):
    snippets = ('test', r"""hi `!p a = "test"
snip.rv = "nothing"` `!p snip.rv = a
` End""")
    keys = """test""" + EX
    wanted = """hi nothing test End"""


class PythonCode_LongerTextThanSource_Chars(_VimTest):
    snippets = ('test', r"""hi`!p snip.rv = "a" * 100`end""")
    keys = """test""" + EX + 'ups'
    wanted = 'hi' + 100 * 'a' + 'endups'


class PythonCode_LongerTextThanSource_MultiLine(_VimTest):
    snippets = (
        'test',
        r"""hi`!p snip.rv = "a" * 100 + '\n'*100 + "a"*100`end""")
    keys = """test""" + EX + 'ups'
    wanted = 'hi' + 100 * 'a' + 100 * '\n' + 100 * 'a' + 'endups'


class PythonCode_AccessKilledTabstop_OverwriteSecond(_VimTest):
    snippets = (
        'test',
        r"`!p snip.rv = t[2].upper()`${1:h${2:welt}o}`!p snip.rv = t[2].upper()`")
    keys = 'test' + EX + JF + 'okay'
    wanted = 'OKAYhokayoOKAY'


class PythonCode_AccessKilledTabstop_OverwriteFirst(_VimTest):
    snippets = (
        'test',
        r"`!p snip.rv = t[2].upper()`${1:h${2:welt}o}`!p snip.rv = t[2].upper()`")
    keys = 'test' + EX + 'aaa'
    wanted = 'aaa'

class PythonCode_CanOverwriteTabstop(_VimTest):
    snippets = (
        'test',
        """$1`!p if len(t[1]) > 3 and len(t[2]) == 0:
            t[2] = t[1][2:];
            t[1] = t[1][:2] + '-\\n\\t';
            vim.command('call feedkeys("\<End>", "n")');
            `$2""")
    keys = 'test' + EX + 'blah' + ', bah'
    wanted = "bl-\n\tah, bah"


class PythonVisual_NoVisualSelection_Ignore(_VimTest):
    snippets = ('test', 'h`!p snip.rv = snip.v.mode + snip.v.text`b')
    keys = 'test' + EX + 'abc'
    wanted = 'hbabc'


class PythonVisual_SelectOneWord(_VimTest):
    snippets = ('test', 'h`!p snip.rv = snip.v.mode + snip.v.text`b')
    keys = 'blablub' + ESC + '0v6l' + EX + 'test' + EX
    wanted = 'hvblablubb'


class PythonVisual_LineSelect_Simple(_VimTest):
    snippets = ('test', 'h`!p snip.rv = snip.v.mode + snip.v.text`b')
    keys = 'hello\nnice\nworld' + ESC + 'Vkk' + EX + 'test' + EX
    wanted = 'hVhello\nnice\nworld\nb'

class PythonVisual_HasAccessToSelectedPlaceholders(_VimTest):
    snippets = (
        'test',
        """${1:first} ${2:second} (`!p
snip.rv = "placeholder: " + snip.p.current_text`)"""
    )
    keys = 'test' + EX + ESC + "otest" + EX + JF + ESC
    wanted = """first second (placeholder: first)
first second (placeholder: second)"""

class PythonVisual_HasAccessToZeroPlaceholders(_VimTest):
    snippets = (
        'test',
        """${1:first} ${2:second} (`!p
snip.rv = "placeholder: " + snip.p.current_text`)"""
    )
    keys = 'test' + EX + ESC + "otest" + EX + JF + JF + JF + JF
    wanted = """first second (placeholder: first second (placeholder: ))
first second (placeholder: )"""

# Tests for https://bugs.launchpad.net/bugs/1259349


class Python_WeirdScoping_Error(_VimTest):
    snippets = (
        'test',
        "h`!p import re; snip.rv = '%i' % len([re.search for i in 'aiiia'])`b")
    keys = 'test' + EX
    wanted = 'h5b'
# End: New Implementation  #}}}
# End: PythonCode Interpolation  #}}}