using System;
using System.IO;
using StellaOps.Notify.WebService.Options;
using StellaOps.Plugin.Hosting;

namespace StellaOps.Notify.WebService.Hosting;

internal static class NotifyPluginHostFactory
{
    public static PluginHostOptions Build(NotifyWebServiceOptions options, string contentRootPath)
    {
        ArgumentNullException.ThrowIfNull(options);
        ArgumentNullException.ThrowIfNull(contentRootPath);

        var hostOptions = new PluginHostOptions
        {
            BaseDirectory = options.Plugins.BaseDirectory ?? Path.Combine(contentRootPath, ".."),
            PluginsDirectory = options.Plugins.Directory ?? Path.Combine("plugins", "notify"),
            PrimaryPrefix = "StellaOps.Notify"
        };

        if (!Path.IsPathRooted(hostOptions.BaseDirectory))
        {
            hostOptions.BaseDirectory = Path.GetFullPath(Path.Combine(contentRootPath, hostOptions.BaseDirectory));
        }

        if (!Path.IsPathRooted(hostOptions.PluginsDirectory))
        {
            hostOptions.PluginsDirectory = Path.Combine(hostOptions.BaseDirectory, hostOptions.PluginsDirectory);
        }

        foreach (var pattern in options.Plugins.SearchPatterns)
        {
            hostOptions.SearchPatterns.Add(pattern);
        }

        foreach (var prefix in options.Plugins.OrderedPlugins)
        {
            hostOptions.PluginOrder.Add(prefix);
        }

        return hostOptions;
    }
}