# frozen_string_literal: true

require "test_helper"

class WidthParserTest < Minitest::Test
  def test_parse_auto_symbol
    result = Notare::WidthParser.parse(:auto)
    assert_equal 0, result.value
    assert_equal "auto", result.type
  end

  def test_parse_nil
    result = Notare::WidthParser.parse(nil)
    assert_equal 0, result.value
    assert_equal "auto", result.type
  end

  def test_parse_integer_as_twips
    result = Notare::WidthParser.parse(1440)
    assert_equal 1440, result.value
    assert_equal "dxa", result.type
  end

  def test_parse_inches
    result = Notare::WidthParser.parse("2in")
    assert_equal 2880, result.value
    assert_equal "dxa", result.type
  end

  def test_parse_inches_with_decimal
    result = Notare::WidthParser.parse("1.5in")
    assert_equal 2160, result.value
    assert_equal "dxa", result.type
  end

  def test_parse_inches_case_insensitive
    result = Notare::WidthParser.parse("2IN")
    assert_equal 2880, result.value
    assert_equal "dxa", result.type
  end

  def test_parse_centimeters
    result = Notare::WidthParser.parse("5cm")
    assert_equal 2835, result.value
    assert_equal "dxa", result.type
  end

  def test_parse_centimeters_with_decimal
    result = Notare::WidthParser.parse("2.54cm")
    assert_equal 1440, result.value
    assert_equal "dxa", result.type
  end

  def test_parse_percentage
    result = Notare::WidthParser.parse("50%")
    assert_equal 2500, result.value
    assert_equal "pct", result.type
  end

  def test_parse_percentage_with_decimal
    result = Notare::WidthParser.parse("33.3%")
    assert_equal 1664, result.value # 33.3 * 50 = 1664.999... truncates to 1664
    assert_equal "pct", result.type
  end

  def test_parse_100_percent
    result = Notare::WidthParser.parse("100%")
    assert_equal 5000, result.value
    assert_equal "pct", result.type
  end

  def test_parse_with_spaces
    result = Notare::WidthParser.parse("2 in")
    assert_equal 2880, result.value
    assert_equal "dxa", result.type
  end

  def test_invalid_width_raises_error
    error = assert_raises(ArgumentError) do
      Notare::WidthParser.parse("invalid")
    end
    assert_match(/Invalid width/, error.message)
  end

  def test_invalid_unit_raises_error
    error = assert_raises(ArgumentError) do
      Notare::WidthParser.parse("10px")
    end
    assert_match(/Invalid width/, error.message)
  end
end