// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using Microsoft.TemplateEngine.Abstractions;
using Microsoft.TemplateEngine.Core;
using Microsoft.TemplateEngine.Orchestrator.RunnableProjects.ConfigModel;

namespace Microsoft.TemplateEngine.Orchestrator.RunnableProjects
{
    internal class PrimaryOutput : ICreationPath
    {
        public PrimaryOutput(string path)
        {
            if (string.IsNullOrWhiteSpace(path))
            {
                throw new System.ArgumentException($"'{nameof(path)}' cannot be null or whitespace.", nameof(path));
            }

            Path = path;
        }

        public string Path { get; }

        internal static IReadOnlyList<ICreationPath> Evaluate(
            IEngineEnvironmentSettings environmentSettings,
            IReadOnlyList<PrimaryOutputModel> modelList,
            IVariableCollection rootVariableCollection,
            FileRenameGenerator renameGenerator)
        {
            List<ICreationPath> pathList = new();

            rootVariableCollection ??= new VariableCollection();

            foreach (PrimaryOutputModel model in modelList)
            {
                model.EvaluateCondition(environmentSettings.Host.Logger, rootVariableCollection);
                if (!model.ConditionResult)
                {
                    // Condition on the primary output was evaluated to false. Don't include this primary output.
                    continue;
                }

                string resolvedPath = renameGenerator.ApplyRenameToString(model.Path);

                ICreationPath path = new PrimaryOutput(resolvedPath);
                pathList.Add(path);

            }

            return pathList;
        }
    }
}