require('plenary.async').tests.add_to_env()
local oil = require('oil')
local test_util = require('tests.test_util')

a.describe('window options', function()
  after_each(function()
    test_util.reset_editor()
  end)

  a.it('Restores window options on close', function()
    vim.cmd.edit({ args = { 'README.md' } })
    test_util.oil_open()
    assert.equals('no', vim.o.signcolumn)
    oil.close()
    assert.equals('auto', vim.o.signcolumn)
  end)

  a.it('Restores window options on edit', function()
    test_util.oil_open()
    assert.equals('no', vim.o.signcolumn)
    vim.cmd.edit({ args = { 'README.md' } })
    assert.equals('auto', vim.o.signcolumn)
  end)

  a.it('Restores window options on split <filename>', function()
    test_util.oil_open()
    assert.equals('no', vim.o.signcolumn)
    vim.cmd.split({ args = { 'README.md' } })
    assert.equals('auto', vim.o.signcolumn)
  end)

  a.it('Restores window options on split', function()
    test_util.oil_open()
    assert.equals('no', vim.o.signcolumn)
    vim.cmd.split()
    vim.cmd.edit({ args = { 'README.md' } })
    assert.equals('auto', vim.o.signcolumn)
  end)

  a.it('Restores window options on tabnew <filename>', function()
    test_util.oil_open()
    assert.equals('no', vim.o.signcolumn)
    vim.cmd.tabnew({ args = { 'README.md' } })
    assert.equals('auto', vim.o.signcolumn)
  end)

  a.it('Restores window options on tabnew', function()
    test_util.oil_open()
    assert.equals('no', vim.o.signcolumn)
    vim.cmd.tabnew()
    vim.cmd.edit({ args = { 'README.md' } })
    assert.equals('auto', vim.o.signcolumn)
  end)

  a.it('Sets the window options when re-entering oil buffer', function()
    oil.open()
    test_util.wait_for_autocmd({ 'User', pattern = 'OilEnter' })
    assert.truthy(vim.w.oil_did_enter)
    vim.cmd.edit({ args = { 'README.md' } })
    assert.falsy(vim.w.oil_did_enter)
    oil.open()
    assert.truthy(vim.w.oil_did_enter)
    vim.cmd.vsplit()
    assert.truthy(vim.w.oil_did_enter)
  end)
end)