local helpers = require('spec.helpers')

describe('commands', function()
  before_each(function()
    helpers.reset_config()
  end)

  describe('setup', function()
    it('creates the :Preview command', function()
      require('preview.commands').setup()
      local cmds = vim.api.nvim_get_commands({})
      assert.is_not_nil(cmds.Preview)
    end)

    it('registers VimLeavePre autocmd', function()
      require('preview.commands').setup()
      local aus = vim.api.nvim_get_autocmds({ event = 'VimLeavePre' })
      local found = false
      for _, au in ipairs(aus) do
        if au.callback then
          found = true
          break
        end
      end
      assert.is_true(found)
    end)
  end)

  describe('dispatch', function()
    it('does not error on :Preview compile with no provider', function()
      require('preview.commands').setup()
      assert.has_no.errors(function()
        vim.cmd('Preview compile')
      end)
    end)

    it('does not error on :Preview status', function()
      require('preview.commands').setup()
      assert.has_no.errors(function()
        vim.cmd('Preview status')
      end)
    end)

    it('does not error on :Preview open', function()
      require('preview.commands').setup()
      assert.has_no.errors(function()
        vim.cmd('Preview open')
      end)
    end)

    it('does not error on :Preview toggle with no provider', function()
      require('preview.commands').setup()
      assert.has_no.errors(function()
        vim.cmd('Preview toggle')
      end)
    end)
  end)
end)