using FsCheck;
using FsCheck.Xunit;
using SolutionCleanupTool.Models;
using System;
using System.Collections.Generic;
using System.IO;

namespace SolutionCleanupTool.Tests
{
    /// <summary>
    /// Base class for property-based tests with common generators and utilities
    /// </summary>
    public abstract class PropertyTestBase
    {
        /// <summary>
        /// Configuration for property-based tests - minimum 100 iterations as per requirements
        /// </summary>
        protected static readonly Configuration TestConfig = new Configuration { MaxNbOfTest = 100, StartSize = 1, EndSize = 100 };
        
        /// <summary>
        /// Generator for valid project GUIDs
        /// </summary>
        public static Arbitrary<Guid> ProjectGuidGenerator()
        {
            return Arb.Generate<Guid>().ToArbitrary();
        }
        
        /// <summary>
        /// Generator for project references
        /// </summary>
        public static Arbitrary<ProjectReference> ProjectReferenceGenerator()
        {
            return (from name in Arb.Generate<NonEmptyString>()
                    from path in Arb.Generate<NonEmptyString>()
                    from guid in Arb.Generate<Guid>()
                    from typeGuid in Arb.Generate<NonEmptyString>()
                    from exists in Arb.Generate<bool>()
                    select new ProjectReference
                    {
                        Name = name.Get,
                        RelativePath = path.Get,
                        AbsolutePath = Path.Combine("C:\\TestSolution", path.Get),
                        ProjectGuid = guid,
                        ProjectTypeGuid = typeGuid.Get,
                        Exists = exists
                    }).ToArbitrary();
        }
        
        /// <summary>
        /// Generator for solution models
        /// </summary>
        public static Arbitrary<SolutionModel> SolutionModelGenerator()
        {
            return (from path in Arb.Generate<NonEmptyString>()
                    from projects in Arb.Generate<List<ProjectReference>>()
                    select new SolutionModel
                    {
                        FilePath = path.Get + ".sln",
                        Projects = projects ?? new List<ProjectReference>()
                    }).ToArbitrary();
        }
    }
}