using System;
using System.Linq;
using Cake.Core.Diagnostics;
using Cake.Core.IO;
using Cake.Frosting;
using Cake.Powershell;

namespace Build.Tasks;

[TaskName("CopyOutput")]
public class CopyOutputTask : FrostingTask<BuildContext>
{
	public override void Run(BuildContext context)
	{
		var powershellModuleName = "PowershellModule";
		var scriptParams = new
		{
			Path = $"{context.PowershellModuleOutputDir}/{powershellModuleName}.psd1",
			Guid = Guid.Parse("5cdf4635-edb0-428c-8d9b-92d0bcd47443"),
			Author = "Me",
			NestedModules = new[] { $"{powershellModuleName}.dll" },
			RootModule = $"{powershellModuleName}.psm1",
			CmdletsToExport = new[] { "Get-Calendar" },
			ManifestFileLocation = $"{context.PowershellModuleOutputDir}/{powershellModuleName}.psm1"
		};
		
		var psSettings = new PowershellSettings()
		{
			Arguments = new ProcessArgumentBuilder(),
		};

		// This feels a bit ugly/redundant seeing as I've defined the scriptParams above, but I'm leaving it as is
		// until I want to come back and clean this up properly
		psSettings.Arguments.Append("path", ToPowershellSafeString(scriptParams.Path));
		psSettings.Arguments.Append("guid", ToPowershellSafeString(scriptParams.Guid.ToString()));
		psSettings.Arguments.Append("author", ToPowershellSafeString(scriptParams.Author));
		psSettings.Arguments.Append("nestedModules", $"@({string.Join(",", scriptParams.NestedModules.Select(ToPowershellSafeString))})");
		psSettings.Arguments.Append("rootModule", ToPowershellSafeString(scriptParams.RootModule));
		psSettings.Arguments.Append("cmdletsToExport", $"@({string.Join(",", scriptParams.CmdletsToExport.Select(ToPowershellSafeString))})");
		psSettings.Arguments.Append("manifestFileLocation", ToPowershellSafeString(scriptParams.ManifestFileLocation));

		context.StartPowershellFile(context.CreateModuleManifestScript, psSettings);
		context.Log.Information($"Module output to: {context.PowershellModuleOutputDir.Path.MakeAbsolute(context.Environment)}");

		base.Run(context);
	}

	private static string ToPowershellSafeString(string unescapedString) => $"'{unescapedString}'";
}