Dalamud/Dalamud/Fools/FoolsManager.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Dalamud.Fools.Plugins;
using Dalamud.Logging.Internal;

namespace Dalamud.Fools;

/// <summary>
/// Manager for all the IFoolsPlugin instances.
/// </summary>
[ServiceManager.BlockingEarlyLoadedService]
internal class FoolsManager : IDisposable, IServiceType
{
    public readonly List<FoolsPluginMetadata> FoolsPlugins = new();
    public readonly Dictionary<string, IFoolsPlugin> ActivatedPlugins = new();
    
    private static readonly ModuleLog Log = new("FOOLS");

    [ServiceManager.ServiceConstructor]
    private FoolsManager()
    {
        // reflect over all IFoolsPlugin implementations
        this.FoolsPlugins = new List<FoolsPluginMetadata>
        {
            new("Test Fool Plugin", "TestFoolPlugin", "this is a test", "NotNite", typeof(TestFoolPlugin)),
        };
    }

    public void ActivatePlugin(string plugin)
    {
        if (this.ActivatedPlugins.ContainsKey(plugin))
        {
            Log.Warning("Trying to activate plugin {0} that is already activated", plugin);
            return;
        }

        var pluginMetadata = this.FoolsPlugins.FirstOrDefault(x => x.InternalName == plugin);
        if (pluginMetadata == null)
        {
            Log.Warning("Trying to activate plugin {0} that does not exist", plugin);
            return;
        }

        var pluginInstance = (IFoolsPlugin)Activator.CreateInstance(pluginMetadata.Type);
        this.ActivatedPlugins.Add(plugin, pluginInstance);
    }

    public bool IsPluginActivated(string plugin)
    {
        return this.ActivatedPlugins.ContainsKey(plugin);
    }

    public void DeactivatePlugin(string plugin)
    {
        if (!this.ActivatedPlugins.ContainsKey(plugin))
        {
            Log.Warning("Trying to deactivate plugin {0} that is not activated", plugin);
            return;
        }

        var pluginInstance = this.ActivatedPlugins[plugin];
        pluginInstance.Dispose();
        this.ActivatedPlugins.Remove(plugin);
    }

    public void Dispose()
    {
        foreach (var plugin in this.ActivatedPlugins.Values)
        {
            plugin.Dispose();
        }

        this.ActivatedPlugins.Clear();
    }
}