using System;
using BepInEx.Bootstrap;

namespace TechbloxModdingAPI.Utility
{
    /// <summary>
    /// Simple plugin interaction operations
    /// </summary>
    public static class Dependency
    {
        /// <summary>
        /// Find a plugin by name
        /// </summary>
        /// <returns>The plugin.</returns>
        /// <param name="name">The plugin's name.</param>
        public static BepInEx.PluginInfo GetPlugin(string name)
		{
			foreach(var plugin in Chainloader.PluginInfos.Values)
			{
                if (plugin.Metadata.Name == name)
				{
					return plugin;
				}
			}
			return null;
		}

        /// <summary>
        /// Gets the plugin version.
		/// This gives priority to the plugin's Version string but falls back to the Assembly's version
        /// </summary>
        /// <returns>The plugin's version.</returns>
        /// <param name="name">The plugin's name.</param>
        public static Version GetPluginVersion(string name)
		{
			var plugin = GetPlugin(name);
			if (plugin != null) {
				try
				{
					return plugin.Metadata.Version;
				} catch (Exception e) when (e is ArgumentException or FormatException or OverflowException) {}
				return plugin.GetType().Assembly.GetName().Version;
			}
			return null;
		}
    }
}