using MarketAlly.AIPlugin.Analysis.Plugins;
using MarketAlly.AIPlugin.Refactoring.Plugins;
using RefactorIQ.Core.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using System.Threading.Tasks;

namespace MarketAlly.AIPlugin.Learning
{

	public class LearningSession
	{
		public string SolutionPath { get; set; }
		public string DatabasePath { get; set; }
		public string ModularMapPath { get; set; }
		public int MaxIterations { get; set; }
		public bool AutoApply { get; set; }
		public bool CreateBackup { get; set; }
		public DateTime StartTime { get; set; }
	}

	public class LearningResult
	{
		public Guid SessionId { get; set; }
		public DateTime StartTime { get; set; }
		public DateTime EndTime { get; set; }
		public TimeSpan TotalDuration { get; set; }
		public string BackupPath { get; set; }
		public CompilationResult BaselineCompilation { get; set; }
		public List<LearningIteration> Iterations { get; set; } = new List<LearningIteration>();

		public int TotalSuggestions => Iterations.Sum(i => i.Suggestions.Count);
		public int TotalAppliedChanges => Iterations.Sum(i => i.AppliedChanges.Count);
		public int SuccessfulChanges => Iterations.Sum(i => i.AppliedChanges.Count(c => c.Success));
		public double SuccessRate => TotalAppliedChanges > 0 ? (double)SuccessfulChanges / TotalAppliedChanges : 0;
	}

	public class LearningIteration
	{
		public int IterationNumber { get; set; }
		public DateTime StartTime { get; set; }
		public DateTime EndTime { get; set; }
		public TimeSpan Duration { get; set; }
		public string TargetFile { get; set; }
		public int IssuesFound { get; set; }
		public int FixesApplied { get; set; }
		public bool Success { get; set; }
		public bool CriticalError { get; set; }
		public string ErrorMessage { get; set; }
		public string Summary { get; set; }
		public bool ShouldStopSession { get; set; }
		public CodeAnalysisSnapshot CodeAnalysis { get; set; }
		public CompilationResult CompilationResult { get; set; }
		public List<FailedAttempt> FailedAttempts { get; set; } = new();
		public List<AISuggestion> Suggestions { get; set; } = new();
		public CompilationResult PostChangeCompilation { get; set; }
		public List<AppliedChange> AppliedChanges { get; set; } = new();
	}

	public class CodeAnalysisSnapshot
	{
		public DateTime Timestamp { get; set; }
		public List<CodeIssue> Issues { get; set; }
		public CodeMetrics Metrics { get; set; }
		public List<ModularInsight> ModularInsights { get; set; }
	}

	public class CodeIssue
	{
		public string Type { get; set; }
		public string Description { get; set; }
		public string FilePath { get; set; }
		public int LineNumber { get; set; }
		public string Severity { get; set; }
		public string Suggestion { get; set; }

	}

	public class CodeMetrics
	{
		public int TotalFiles { get; set; }
		public int TotalLines { get; set; }
		public double AverageComplexity { get; set; }
		public int TotalIssues { get; set; }
	}

	public class ModularInsight
	{
		public string Type { get; set; }
		public string Module { get; set; }
		public string Description { get; set; }
		public string Severity { get; set; }
	}

	public class AISuggestion
	{
		public Guid Id { get; set; }
		public SuggestionType Type { get; set; }
		public string Description { get; set; }
		public string TargetFile { get; set; }
		public int TargetLine { get; set; }
		public double Confidence { get; set; }
		public double ExpectedImprovement { get; set; }
		public double RiskLevel { get; set; }
		public DateTime GeneratedAt { get; set; }
		public string ProposedChange { get; set; }
		public Dictionary<string, object> Metadata { get; set; } = new Dictionary<string, object>();
	}

	public class AppliedChange
	{
		public Guid SuggestionId { get; set; }
		public string FilePath { get; set; }
		public DateTime StartTime { get; set; }
		public DateTime EndTime { get; set; }
		public bool Success { get; set; }
		public string ErrorMessage { get; set; }
		public string OriginalContent { get; set; }
		public string ModifiedContent { get; set; }
	}

	public enum SuggestionType
	{
		ExtractMethod,
		RenameVariable,
		AddDocumentation,
		SimplifyExpression,
		RemoveDeadCode,
		ReduceCoupling,
		ExtractInterface,
		AddUnitTest,
		RefactorConditional,
		Other
	}

	// Modular analysis integration
	public class ModularAnalyzer
	{
		public async Task<ModularMapData> LoadModularMapAsync(string mapPath)
		{
			var json = await File.ReadAllTextAsync(mapPath);
			return JsonSerializer.Deserialize<ModularMapData>(json, new JsonSerializerOptions
			{
				PropertyNameCaseInsensitive = true
			});
		}
	}

	public class LearningRecord
	{
		public Guid SuggestionId { get; set; }
		public SuggestionType SuggestionType { get; set; }
		public double Confidence { get; set; }
		public double ExpectedImprovement { get; set; }
		public double ActualImprovement { get; set; }
		public bool Success { get; set; }
		public CompilationStatus CompilationStatus { get; set; }
		public int ErrorCountBefore { get; set; }
		public int ErrorCountAfter { get; set; }
		public DateTime Timestamp { get; set; }
	}

	public class SuccessPattern
	{
		public string PatternName { get; set; }
		public double SuccessRate { get; set; }
		public double AverageImprovement { get; set; }
		public int UsageCount { get; set; }
		public string IssueType { get; set; }

	}

	public class FailurePattern
	{
		public string IssueType { get; set; }
		public double FailureRate { get; set; }
		public int FailureCount { get; set; }
	}

	// ModularMap data structures (simplified)
	public class ModularMapData
	{
		public CouplingMetrics CouplingMetrics { get; set; }
		public Statistics Statistics { get; set; }
	}

	public class CouplingMetrics
	{
		public List<string> HighlyCoupledModules { get; set; }
		public List<string> LooselyCoupledModules { get; set; }
	}

	public class Statistics
	{
		public int TotalModules { get; set; }
		public int TotalDependencies { get; set; }
	}

	// Learning-specific configuration that wraps RefactorIQ options
	public class LearningRefactorIQConfig
	{
		public string ConnectionString { get; set; }
		public string OpenAIApiKey { get; set; }
		public bool EnableIncrementalIndexing { get; set; } = true;
		public bool EnableXamlAnalysis { get; set; } = true;
		public int MaxConcurrentEmbeddings { get; set; } = 5;
		public bool EnableVectorSearch { get; set; } = true;
		public double MinSimilarityScore { get; set; } = 0.7;
		public int DefaultSearchResults { get; set; } = 10;
	}

	// Learning-specific search result wrapper
	public class LearningVectorSearchResult
	{
		public string FilePath { get; set; }
		public string SymbolName { get; set; }
		public string SymbolType { get; set; }
		public string Content { get; set; }
		public double SimilarityScore { get; set; }
		public int LineNumber { get; set; }
		public string ProjectName { get; set; }
		public Dictionary<string, object> Metadata { get; set; } = new();

		// Factory method to create from RefactorIQ VectorSearchResult
		public static LearningVectorSearchResult FromRefactorIQResult(RefactorIQ.Core.Models.VectorSearchResult refactorIQResult)
		{
			return new LearningVectorSearchResult
			{
				FilePath = refactorIQResult.FilePath ?? string.Empty,
				SymbolName = refactorIQResult.SymbolName ?? string.Empty,
				SymbolType = refactorIQResult.SymbolType ?? string.Empty,
				Content = string.Empty, // VectorSearchResult doesn't have Content property
				SimilarityScore = refactorIQResult.Score,
				LineNumber = refactorIQResult.LineStart,
				ProjectName = string.Empty, // VectorSearchResult doesn't have ProjectName property
				Metadata = new Dictionary<string, object>
				{
					["Summary"] = refactorIQResult.Summary ?? string.Empty,
					["Embedding"] = refactorIQResult.Embedding?.Length ?? 0
				}
			};
		}
	}

	// Learning-specific embedding statistics
	public class LearningEmbeddingStats
	{
		public int TotalEmbeddings { get; set; }
		public int PendingEmbeddings { get; set; }
		public DateTime LastUpdated { get; set; }
		public Dictionary<string, int> ProjectStats { get; set; } = new();

		// Factory method to create from RefactorIQ stats
		public static LearningEmbeddingStats FromRefactorIQStats(Dictionary<string, int> refactorIQStats)
		{
			return new LearningEmbeddingStats
			{
				TotalEmbeddings = refactorIQStats.GetValueOrDefault("TotalEmbeddings", 0),
				PendingEmbeddings = refactorIQStats.GetValueOrDefault("PendingEmbeddings", 0),
				LastUpdated = DateTime.UtcNow,
				ProjectStats = refactorIQStats
			};
		}
	}

	public class ComprehensiveLearningSession
	{
		public Guid SessionId { get; set; }
		public string SolutionPath { get; set; }
		public string ReportsDirectory { get; set; }
		public int MaxIterations { get; set; }
		public int MaxAttemptsPerFile { get; set; }
		public int SessionTimeoutMinutes { get; set; }
		public bool VerboseReporting { get; set; }
		public string LearningMode { get; set; }
		public bool SkipWarningsAnalysis { get; set; }
		public string ConfigPath { get; set; }
		public bool EnableAIEmbeddings { get; set; }
		public bool EnableSemanticSearch { get; set; }
		public string OpenAIApiKey { get; set; }
		public DateTime StartTime { get; set; }
	}

	public class ComprehensiveLearningResult
	{
		public Guid SessionId { get; set; }
		public DateTime StartTime { get; set; }
		public DateTime EndTime { get; set; }
		public TimeSpan TotalDuration { get; set; }
		public string ProjectName { get; set; }
		public bool Success { get; set; }
		public bool CriticalError { get; set; }
		public string ErrorMessage { get; set; }

		// Git Information
		public GitBranchInfo GitInfo { get; set; }

		// Analysis Results
		public CompilationResult BaselineCompilation { get; set; }
		public CompilationResult FinalCompilation { get; set; }
		public object InitialModularAnalysis { get; set; }
		public object FinalModularAnalysis { get; set; }
		public RefactorIQResult InitialRefactorIQAnalysis { get; set; }
		public RefactorIQResult FinalRefactorIQAnalysis { get; set; }
		public object InitialWarningsAnalysis { get; set; }
		public object FinalWarningsAnalysis { get; set; }

		// Learning Results
		public List<LearningIteration> Iterations { get; set; } = new();
		public List<FailedAttempt> FailedAttempts { get; set; } = new();

		// AI Features Results
		public LearningEmbeddingStats EmbeddingStats { get; set; }
		public List<LearningVectorSearchResult> SemanticSearchResults { get; set; } = new();
		public bool AIFeaturesEnabled { get; set; }

		// Summary Statistics
		public int TotalFilesProcessed => Iterations.Count;
		public int SuccessfulIterations => Iterations.Count(i => i.Success);
		public int TotalFixesApplied => Iterations.Sum(i => i.FixesApplied);
		public double SuccessRate => TotalFilesProcessed > 0 ? (double)SuccessfulIterations / TotalFilesProcessed : 0;
	}

	public class FailedAttempt
	{
		public string FilePath { get; set; }
		public int AttemptNumber { get; set; }
		public string FixApproach { get; set; }
		public string Error { get; set; }
		public DateTime Timestamp { get; set; }
		public string HumanReviewNotes { get; set; } = "";
	}

	public class FixResult
	{
		public DateTime StartTime { get; set; }
		public DateTime EndTime { get; set; }
		public bool Success { get; set; }
		public string Error { get; set; }
		public string Approach { get; set; }
		public int FixesApplied { get; set; }
		public object Details { get; set; }
	}
}