using ErsatzTV.FFmpeg.State;
using YamlDotNet.Serialization;

namespace ErsatzTV.Core.Graphics;

public class TextGraphicsElement : BaseGraphicsElement
{
    [YamlMember(Alias = "opacity_percent", ApplyNamingConventions = false)]
    public int? OpacityPercent { get; set; }

    [YamlMember(Alias = "opacity_expression", ApplyNamingConventions = false)]
    public string OpacityExpression { get; set; }

    public WatermarkLocation Location { get; set; }

    [YamlMember(Alias = "horizontal_margin_percent", ApplyNamingConventions = false)]
    public double? HorizontalMarginPercent { get; set; }

    [YamlMember(Alias = "vertical_margin_percent", ApplyNamingConventions = false)]
    public double? VerticalMarginPercent { get; set; }

    [YamlMember(Alias = "width_percent", ApplyNamingConventions = false)]
    public double? WidthPercent { get; set; }

    [YamlMember(Alias = "text_fit", ApplyNamingConventions = false)]
    public TextFit Fit { get; set; } = TextFit.None;

    [YamlMember(Alias = "text_align", ApplyNamingConventions = false)]
    public TextAlignment Align { get; set; } = TextAlignment.Left;

    [YamlMember(Alias = "z_index", ApplyNamingConventions = false)]
    public int? ZIndex { get; set; }

    // Background box (ersatztv#732). Element-level, not per-style: the graphics engine renders one
    // TextBlock into one bitmap, so a single box behind the whole element is the only shape the
    // renderer can express. Unset background_color means no FILL; a border_color alone still draws
    // an outlined box. With neither there is no box and no insets -- the pre-#732 geometry.
    [YamlMember(Alias = "background_color", ApplyNamingConventions = false)]
    public string BackgroundColor { get; set; }

    [YamlMember(Alias = "background_opacity_percent", ApplyNamingConventions = false)]
    public int? BackgroundOpacityPercent { get; set; }

    [YamlMember(Alias = "background_padding", ApplyNamingConventions = false)]
    public double? BackgroundPadding { get; set; }

    [YamlMember(Alias = "background_corner_radius", ApplyNamingConventions = false)]
    public double? BackgroundCornerRadius { get; set; }

    [YamlMember(Alias = "border_color", ApplyNamingConventions = false)]
    public string BorderColor { get; set; }

    [YamlMember(Alias = "border_width", ApplyNamingConventions = false)]
    public double? BorderWidth { get; set; }

    public List<StyleDefinition> Styles { get; set; } = [];

    [YamlMember(Alias = "base_style", ApplyNamingConventions = false)]
    public string BaseStyle { get; set; }

    [YamlMember(Alias = "include_fonts_from", ApplyNamingConventions = false)]
    public string IncludeFontsFrom { get; set; }

    [YamlMember(Alias = "epg_entries", ApplyNamingConventions = false)]
    public int EpgEntries { get; set; }

    public string Text { get; set; }
}

public enum TextFit
{
    None,
    Wrap,
    Scale
}

public enum TextAlignment
{
    Left,
    Center,
    Right
}

public class StyleDefinition
{
    public string Name { get; set; }

    [YamlMember(Alias = "font_size", ApplyNamingConventions = false)]
    public float? FontSize { get; set; }

    [YamlMember(Alias = "font_weight", ApplyNamingConventions = false)]
    public int? FontWeight { get; set; }

    [YamlMember(Alias = "font_italic", ApplyNamingConventions = false)]
    public bool? FontItalic { get; set; }

    [YamlMember(Alias = "font_family", ApplyNamingConventions = false)]
    public string FontFamily { get; set; }

    [YamlMember(Alias = "text_color", ApplyNamingConventions = false)]
    public string TextColor { get; set; }

    [YamlMember(Alias = "letter_spacing", ApplyNamingConventions = false)]
    public float? LetterSpacing { get; set; }

    [YamlMember(Alias = "line_height", ApplyNamingConventions = false)]
    public float? LineHeight { get; set; }

    [YamlMember(Alias = "halo_color", ApplyNamingConventions = false)]
    public string HaloColor { get; set; }

    [YamlMember(Alias = "halo_width", ApplyNamingConventions = false)]
    public float? HaloWidth { get; set; }

    [YamlMember(Alias = "halo_blur", ApplyNamingConventions = false)]
    public float? HaloBlur { get; set; }
}