# frozen_string_literal: true

require "test_helper"

class ParagraphTest < Minitest::Test
  include EzdocTestHelpers

  def test_simple_paragraph
    xml = create_doc_and_read_xml { |doc| doc.p "Hello World" }

    assert_includes xml, "<w:p>"
    assert_includes xml, "<w:r>"
    assert_includes xml, "<w:t"
    assert_includes xml, "Hello World"
  end

  def test_multiple_paragraphs
    xml = create_doc_and_read_xml do |doc|
      doc.p "First paragraph"
      doc.p "Second paragraph"
      doc.p "Third paragraph"
    end

    assert_includes xml, "First paragraph"
    assert_includes xml, "Second paragraph"
    assert_includes xml, "Third paragraph"
    assert_equal 3, xml.scan("<w:p>").count
  end

  def test_paragraph_with_block_and_multiple_text_runs
    xml = create_doc_and_read_xml do |doc|
      doc.p do
        doc.text "Part one "
        doc.text "Part two "
        doc.text "Part three"
      end
    end

    assert_includes xml, "Part one "
    assert_includes xml, "Part two "
    assert_includes xml, "Part three"
    assert_equal 3, xml.scan("<w:r>").count
  end

  def test_paragraph_preserves_whitespace
    xml = create_doc_and_read_xml do |doc|
      doc.p do
        doc.text "  leading spaces"
        doc.text "trailing spaces  "
        doc.text "  both  "
      end
    end

    assert_includes xml, 'xml:space="preserve"'
    assert_includes xml, "  leading spaces"
    assert_includes xml, "trailing spaces  "
    assert_includes xml, "  both  "
  end

  def test_paragraph_with_special_characters
    xml = create_doc_and_read_xml do |doc|
      doc.p "Special chars: <>&\"'"
      doc.p "Unicode: café, naïve, 日本語"
    end

    # XML should escape special characters
    assert_includes xml, "&lt;"
    assert_includes xml, "&gt;"
    assert_includes xml, "&amp;"
    assert_includes xml, "café"
    assert_includes xml, "日本語"
  end

  def test_empty_paragraph_with_block
    xml = create_doc_and_read_xml do |doc|
      doc.p {} # rubocop:disable Lint/EmptyBlock
    end

    # Empty paragraph may be self-closing or have opening tag
    assert(xml.include?("<w:p>") || xml.include?("<w:p/>"), "Should contain paragraph element")
  end

  def test_long_text_content
    long_text = "x" * 10_000
    xml = create_doc_and_read_xml do |doc|
      doc.p long_text
    end

    assert_includes xml, long_text
  end

  def test_unicode_content
    xml = create_doc_and_read_xml do |doc|
      doc.p "Emoji: 🎉🚀💻"
      doc.p "Chinese: 你好世界"
      doc.p "Arabic: مرحبا بالعالم"
      doc.p "Russian: Привет мир"
    end

    assert_includes xml, "🎉🚀💻"
    assert_includes xml, "你好世界"
    assert_includes xml, "مرحبا بالعالم"
    assert_includes xml, "Привет мир"
  end

  def test_newlines_in_text
    xml = create_doc_and_read_xml do |doc|
      doc.p "Line 1\nLine 2\nLine 3"
    end

    # Newlines should be preserved in the text
    assert_includes xml, "Line 1\nLine 2\nLine 3"
  end
end