namespace QWERTYkez.WordProcessor;

internal sealed class TextBuilder : ParagraphBuilderBase, IText
{
    private readonly ParagraphProperties? _baseParagraphProperties;

    internal TextBuilder(FontProps? baseFont, ParagraphProperties? baseParagraphProperties = null) : base(baseFont)
    {
        _baseParagraphProperties = baseParagraphProperties?.CloneNode(true) as ParagraphProperties;
    }

    internal static TextBuilder Create(FontProps? baseFont = null, ParagraphProperties? baseParagraphProperties = null) =>
        new(baseFont, baseParagraphProperties);




    // Переопределяем создание параграфа
    protected override IParagraph CreateParagraphBuilder()
    {
        _paragraph = new Paragraph();

        if (_baseParagraphProperties is not null)
        {
            _paragraph.ParagraphProperties = _baseParagraphProperties.CloneNode(true) as ParagraphProperties;
        }
        else
        {
            // Используем стандартные свойства (как в базовом классе)
            _paragraph.ParagraphProperties = new ParagraphProperties(
                new Justification { Val = JustificationValues.Center },
                new SpacingBetweenLines
                {
                    After = "0",
                    Before = "0",
                    LineRule = LineSpacingRuleValues.Auto
                },
                new Indentation
                {
                    Left = "0",
                    Right = "0",
                    FirstLine = "0",
                    Hanging = "0"
                }
            );
        }

        _runs = [];
        return this;
    }







    private readonly List<Paragraph> _paragraphs = [];
    public List<Paragraph> Build() => _paragraphs;

    IText IText.AddFormula(Action<IFormula> configure)
    {
        var paraBuilder = ParagraphBuilder;
        paraBuilder.AddFormula(configure);
        _paragraphs.Add(paraBuilder.Build());
        return this;
    }

    // Добавление параграфов
    public IText AddParagraph(Action<IParagraph> configure)
    {
        var paraBuilder = ParagraphBuilder;
        configure(paraBuilder);
        _paragraphs.Add(paraBuilder.Build());
        return this;
    }

    public IText AddParagraph(string text, FontProps? font = null)
    {
        var paraBuilder = ParagraphBuilder;

        if (font is not null)
        {
            paraBuilder.AddRun(text, font);
        }
        else
        {
            paraBuilder.AddRun(text);
        }

        _paragraphs.Add(paraBuilder.Build());
        return this;
    }

    public IText AddParagraph(params string[] lines)
    {
        var paraBuilder = ParagraphBuilder;
        if (lines.Length > 0)
        {
            paraBuilder.AddRun(lines[0]);
            for (int i = 1; i < lines.Length; i++)
            {
                paraBuilder.Break();
                paraBuilder.AddRun(lines[i]);
            }
        }
        _paragraphs.Add(paraBuilder.Build());
        return this;
    }
}