using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Serialization;
using Pf2eModel;
using Pf2eModel.Model;
using Pf2eModel.Model.Base;
using Pf2eModel.Model.Common.I18n;
using Pf2eModel.Model.Enum;
using Pf2eViewer.Converters;

namespace Pf2eViewer;

public partial class MainViewForm : Form
{
    public Pf2eDbContext Context = new();

    public readonly string JsonViewerHtml;

    public readonly EntityView Viewer;

    public MainViewForm()
    {
        InitializeComponent();

        _ = new DarkModeCS(this) { ColorMode = DarkModeCS.DisplayMode.SystemDefault };

        using StreamReader reader = new("Resources/json-viewer.html");
        JsonViewerHtml = reader.ReadToEnd();

        DatabaseViewer.EntityChange += DatabaseViewer_EntityChange;

        Reset();
    }

    public void Reset()
    {
        Context.Dispose();
        Context = new();

        TypesListBox.DataSource = Context
            .Entities.Select(e => e.Type)
            .Distinct()
            .OrderBy(t => t.ToString())
            .ToList();
        TypesListBox.SelectedIndex = 0;
    }

    private void ToggleFreeze(bool state)
    {
        // EntityGridView.Visible = state;
        // JsonWebView.Visible = state;
    }

    private void DatabaseViewer_EntityChange(EntityView newEntity)
    {
        JsonSerializerSettings settings = new()
        {
            Converters =
            [
                new StringEnumConverter { NamingStrategy = new CamelCaseNamingStrategy() },
                new EntityConverter(),
                new LocaleStringConverter(),
            ],
            ReferenceLoopHandling = ReferenceLoopHandling.Ignore,
        };

        string result = JsonConvert.SerializeObject(newEntity.Entity, settings);
        string subResult = JsonConvert.SerializeObject(newEntity.SubEntity, settings);

        string json = result[..^1] + $",\"SubEntity\":{subResult}}}";

        RenderJson(json);

        DescriptionTextBox.Text = newEntity.Entity!.Description;
    }

    private void TypesListBox_SelectedIndexChanged(object sender, EventArgs _)
    {
        if (TypesListBox.SelectedItem is null)
        {
            return;
        }

        DatabaseViewer.Type = (EntityType)TypesListBox.SelectedItem;
        // Viewer.Page = 1;
    }

    public void RenderJson(string json)
    {
        if (JsonWebView.CoreWebView2 == null)
        {
            JsonWebView.EnsureCoreWebView2Async();
            return;
        }

        string html = JsonViewerHtml.Replace("{JSON}", json);
        JsonWebView.CoreWebView2.NavigateToString(html);
    }

    private void JsonWebView_CoreWebView2InitializationCompleted(
        object sender,
        Microsoft.Web.WebView2.Core.CoreWebView2InitializationCompletedEventArgs e
    )
    {
        JsonWebView.Visible = true;
        DatabaseViewer_EntityChange(DatabaseViewer.CurrentEntity);
    }
}