using System.Collections.Generic;

namespace Matrix42.Extensions.Scaffolder.Wizard
{
	public enum ProjectType
	{
		WebApi,
		Contracts,
		BizLogic,
		Custom
	}

	public class ProjectDefinition
	{
		public ProjectType Type { get; set; }
		public string Prefix { get; set; } = string.Empty; // custom for Custom type, otherwise derived
		public RuntimeTargets Runtimes { get; set; }

		public string EffectivePrefix
		{
			get
			{
				if (Type == ProjectType.Custom)
					return Prefix;

				switch (Type)
				{
					case ProjectType.WebApi:
						return string.IsNullOrWhiteSpace(Prefix) ? "Services" : Prefix;
					case ProjectType.Contracts:
						return string.IsNullOrWhiteSpace(Prefix) ? "Contracts" : Prefix;
					case ProjectType.BizLogic:
						return string.IsNullOrWhiteSpace(Prefix) ? "BizLogic" : Prefix;
					default:
						return Prefix;
				}
			}
		}

		public string Display => $"{Type} - Prefix: {EffectivePrefix} - Runtimes: {Runtimes}";

		public string GetProjectName(string extensionNamespace)
		{
			var pfx = EffectivePrefix?.Trim();
			return string.IsNullOrWhiteSpace(pfx)
					? extensionNamespace
					: $"{extensionNamespace}.{pfx}";
		}

		public string GetNamespace(string extensionNamespace) => GetProjectName(extensionNamespace);

		public string GetRuntimeIdentifiers()
		{
			if (Runtimes.HasFlag(RuntimeTargets.All))
				return "win-x64;linux-x64";

			var list = new List<string>();
			if (Runtimes.HasFlag(RuntimeTargets.Win) || Runtimes.HasFlag(RuntimeTargets.WinCore))
				list.Add("win-x64");
			if (Runtimes.HasFlag(RuntimeTargets.LinuxCore))
				list.Add("linux-x64");

			return string.Join(";", list);
		}
	}
}