local Runner = require('tests.indent.common').Runner
local XFAIL = require('tests.indent.common').XFAIL

local runner = Runner:new(it, 'tests/indent/c', {
  tabstop = 4,
  shiftwidth = 4,
  softtabstop = 0,
  expandtab = true,
})

describe('indent C:', function()
  describe('whole file:', function()
    runner:whole_file('.', {
      expected_failures = {
        './preproc_func.c',
        './unfinished_comment.c',
      },
    })
  end)

  describe('new line:', function()
    runner:new_line('array.c', { on_line = 2, text = '0,', indent = 4 })
    runner:new_line('compound_lit.c', { on_line = 7, text = '.z = 5,', indent = 8 })
    runner:new_line('cond.c', { on_line = 3, text = 'x++;', indent = 8 })
    runner:new_line('cond.c', { on_line = 6, text = 'x++;', indent = 8 })
    runner:new_line('cond.c', { on_line = 8, text = 'x++;', indent = 8 })
    runner:new_line('cond.c', { on_line = 9, text = 'x++;', indent = 4 })
    runner:new_line('expr.c', { on_line = 10, text = '2 *', indent = 8 })
    runner:new_line('func.c', { on_line = 17, text = 'int z,', indent = 4 })
    runner:new_line('label.c', { on_line = 3, text = 'normal:', indent = 0 })
    runner:new_line('loop.c', { on_line = 3, text = 'x++;', indent = 8 })
    runner:new_line('preproc_cond.c', { on_line = 5, text = 'x++;', indent = 4 })
    runner:new_line(
      'preproc_func.c',
      { on_line = 3, text = 'x++; \\', indent = 8 },
      'expected failure',
      XFAIL
    )
    runner:new_line('string.c', { on_line = 1, text = 'brave new \\', indent = 0 })
    runner:new_line('string.c', { on_line = 4, text = '"brave new "', indent = 4 })
    runner:new_line('struct.c', { on_line = 4, text = 'int y;', indent = 8 })
    runner:new_line('switch.c', { on_line = 3, text = 'x++;', indent = 12 })
    runner:new_line('ternary.c', { on_line = 4, text = ': (x == 0) : 0', indent = 8 })
    runner:new_line('issue-1568.c', { on_line = 4, text = 'x++;', indent = 8 })
    runner:new_line('issue-2086.c', { on_line = 3, text = '}', indent = 0 })
    runner:new_line('issue-4079.c', { on_line = 2, text = 'return;', indent = 8 })
    runner:new_line('issue-4079.c', { on_line = 2, text = '{', indent = 4 })
    runner:new_line('issue-4079.c', { on_line = 6, text = '{', indent = 4 })
    runner:new_line('issue-4117.c', { on_line = 3, text = 'else', indent = 4 })
    -- the line after inserted one will be left with wrong indent but we only care about the inserted one
    for _, line in ipairs({ 2, 4, 7, 10 }) do
      runner:new_line('no_braces.c', { on_line = line, text = 'x++;', indent = 8 })
    end
    for _, line in ipairs({ 2, 5, 7, 10, 12, 14, 20, 22, 25, 27, 28, 33 }) do
      runner:new_line('if_else.c', { on_line = line, text = 'x++;', indent = 8 })
    end
    for _, line in ipairs({ 3, 6, 8, 13, 15, 20, 23 }) do
      runner:new_line('if_else.c', { on_line = line, text = 'else', indent = 4 })
    end
    for _, info in ipairs({
      { 36, 12 },
      { 37, 16 },
      { 38, 12 },
      { 39, 16 },
      { 41, 12 },
      { 42, 8 },
      { 45, 8 },
      { 46, 12 },
      { 47, 16 },
      { 48, 4 },
      { 52, 8 },
      { 53, 12 },
      { 54, 12 },
    }) do
      runner:new_line('if_else.c', { on_line = info[1], text = 'x++;', indent = info[2] })
    end
    -- dedent braces on new line
    for _, line in ipairs({ 10, 12, 14 }) do
      runner:new_line('if_else.c', { on_line = line, text = '{}', indent = 4 })
    end

    for _, info in ipairs({
      { 8, 0 },
      { 10, 0 },
      { 13, 4 },
      { 14, 4 },
      { 15, 4 },
      { 16, 4 },
      { 17, 4 },
      { 18, 4 },
      { 20, 8 },
      { 21, 8 },
      { 22, 4 },
    }) do
      runner:new_line('issue-4525.c', { on_line = info[1], text = 'x++;', indent = info[2] })
    end
  end)
end)