using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using ChartForgeX.Core;
using ChartForgeX.Primitives;
using ChartForgeX.Rendering;
using ChartForgeX.Themes;
using ChartForgeX.Topology;
using ChartForgeX.Typography;
using ChartForgeX.VisualArtifacts;
using ChartForgeX.VisualBlocks;

// Optional exact gallery typography; copy the gallery's fonts directory beside this program.
FontRegistry.Register("CFX Proof Carlito", "fonts/Carlito-Regular.ttf", 400);
FontRegistry.Register("CFX Proof Carlito", "fonts/Carlito-Bold.ttf", 700);
var mode = VisualThemeMode.Light;
var theme = VisualTheme.Graphite();
var model = SimpleSequenceRecipe.Create("feasibility", mode);
var context = new VisualRenderContext(
    new VisualLayoutOptions(new VisualSize(640, 400)), theme, mode,
    new VisualFrame("Client and server exchange", "Product-neutral diagram semantics", showLegend: false, showSurface: false), FontSpec.FromFamily("CFX Proof Carlito"));
var prepared = model.Prepare(context);
File.WriteAllText("visual.svg", prepared.ToSvg());
File.WriteAllBytes("visual.png", prepared.ToPng());
File.WriteAllText("visual.html", prepared.ToArtifact("example", VisualArtifactKind.Sequence).ToHtmlPage());

/// <summary>Creates a two-participant exchange with a multiline request and dashed return.</summary>
public static class SimpleSequenceRecipe {
    /// <summary>Creates the simple client and server sequence model.</summary>
    /// <param name="variant">Use wide or feasibility for the simple sequence.</param>
    /// <param name="mode">The rendering mode; diagram colors are resolved when the model is prepared.</param>
    public static SequenceArtifact Create(string variant = "wide", VisualThemeMode mode = VisualThemeMode.Light) {
        if (variant is not ("wide" or "feasibility"))
            throw new ArgumentOutOfRangeException(nameof(variant), variant, "Use wide or feasibility.");

        return SequenceArtifact.Create("session").WithSize(640, 400)
            .AddParticipant("client", "Client")
            .AddParticipant("server", "Server")
            .AddMessage("client", "server", "Request\npayload")
            .AddMessage("server", "client", "Response", SequenceArtifactMessageLineStyle.Dashed, SequenceArtifactMessageKind.Return);
    }
}