using System.Text.Json;

namespace PlotLine.Models;

public static class WholeBookPlotSynthesisStatuses
{
    public const string Queued = "Queued";
    public const string Running = "Running";
    public const string Completed = "Completed";
    public const string Failed = "Failed";
    public const string Superseded = "Superseded";
}

public static class WholeBookPlotSynthesisSources
{
    public const string Author = "Author";
    public const string WholeBook = "WholeBookPlotSynthesis";
    public const string SceneSignals = "SceneSignals";
}

public sealed class AuthorPlotSeed
{
    public int AuthorPlotSeedID { get; set; }
    public int ProjectID { get; set; }
    public int BookID { get; set; }
    public string Description { get; set; } = string.Empty;
    public string Status { get; set; } = "Active";
    public int? MatchedPlotLineID { get; set; }
    public string Source { get; set; } = WholeBookPlotSynthesisSources.Author;
    public DateTime CreatedUtc { get; set; }
    public DateTime UpdatedUtc { get; set; }
}

public sealed class AuthorPlotSeedSaveRequest
{
    public int ProjectID { get; init; }
    public int BookID { get; init; }
    public IReadOnlyList<string> Descriptions { get; init; } = [];
}

public sealed class WholeBookPlotSynthesisRun
{
    public int WholeBookPlotSynthesisRunID { get; set; }
    public int ProjectID { get; set; }
    public int BookID { get; set; }
    public int UserID { get; set; }
    public int? SourceStoryIntelligenceRunID { get; set; }
    public string CharacterResolutionVersion { get; set; } = string.Empty;
    public string Status { get; set; } = WholeBookPlotSynthesisStatuses.Queued;
    public DateTime QueuedUtc { get; set; }
    public DateTime? StartedUtc { get; set; }
    public DateTime? CompletedUtc { get; set; }
    public DateTime? FailedUtc { get; set; }
    public int AttemptCount { get; set; }
    public string? Model { get; set; }
    public string? OpenAIResponseID { get; set; }
    public int? InputTokens { get; set; }
    public int? OutputTokens { get; set; }
    public int? CachedInputTokens { get; set; }
    public int? TotalTokens { get; set; }
    public long? DurationMs { get; set; }
    public string? ErrorMessage { get; set; }
    public string? ErrorDetail { get; set; }
    public string? ResultJson { get; set; }
    public DateTime UpdatedUtc { get; set; }
}

public sealed class WholeBookPlotSynthesisQueueRequest
{
    public int ProjectID { get; init; }
    public int BookID { get; init; }
    public int UserID { get; init; }
    public int? SourceStoryIntelligenceRunID { get; init; }
    public string CharacterResolutionVersion { get; init; } = string.Empty;
}

public sealed class WholeBookPlotSynthesisCompletionRequest
{
    public int WholeBookPlotSynthesisRunID { get; init; }
    public string Model { get; init; } = string.Empty;
    public string? OpenAIResponseID { get; init; }
    public int? InputTokens { get; init; }
    public int? OutputTokens { get; init; }
    public int? CachedInputTokens { get; init; }
    public int? TotalTokens { get; init; }
    public long? DurationMs { get; init; }
    public string ResultJson { get; init; } = string.Empty;
}

public sealed class WholeBookPlotSynthesisContext
{
    public int ProjectID { get; init; }
    public int BookID { get; init; }
    public string BookTitle { get; init; } = string.Empty;
    public IReadOnlyList<WholeBookPlotSynthesisChapter> Chapters { get; init; } = [];
    public IReadOnlyList<WholeBookPlotSynthesisCharacter> Characters { get; init; } = [];
    public IReadOnlyList<WholeBookPlotSynthesisExistingPlotLine> ExistingPlotLines { get; init; } = [];
    public IReadOnlyList<AuthorPlotSeed> AuthorSeeds { get; init; } = [];
    public WholeBookPlotSynthesisSourceAudit SourceAudit { get; init; } = new();
}

public sealed class WholeBookPlotSynthesisSourceAudit
{
    public int SceneCount { get; init; }
    public int SourceRowCount { get; init; }
    public int MissingSourceCount { get; init; }
    public int DuplicateSourceSceneCount { get; init; }
    public bool CanReconstruct => SceneCount > 0 && SceneCount == SourceRowCount && MissingSourceCount == 0 && DuplicateSourceSceneCount == 0;
}

public sealed class WholeBookPlotSynthesisChapter
{
    public int ChapterID { get; init; }
    public decimal ChapterNumber { get; init; }
    public string ChapterTitle { get; init; } = string.Empty;
    public IReadOnlyList<WholeBookPlotSynthesisScene> Scenes { get; init; } = [];
}

public sealed class WholeBookPlotSynthesisScene
{
    public int SceneID { get; init; }
    public decimal SceneNumber { get; init; }
    public string SceneTitle { get; init; } = string.Empty;
    public string? StructuralSummary { get; init; }
    public string? StructuralSetting { get; init; }
    public string? PovCharacterName { get; init; }
    public string SourceText { get; init; } = string.Empty;
}

public sealed class WholeBookPlotSynthesisCharacter
{
    public int CharacterID { get; init; }
    public string CanonicalName { get; init; } = string.Empty;
    public IReadOnlyList<string> Aliases { get; init; } = [];
}

public sealed class WholeBookPlotSynthesisExistingPlotLine
{
    public int PlotLineID { get; init; }
    public string Name { get; init; } = string.Empty;
    public string? Description { get; init; }
    public string? Importance { get; init; }
    public int? BookID { get; init; }
    public IReadOnlyList<WholeBookPlotSynthesisExistingThread> Threads { get; init; } = [];
}

public sealed class WholeBookPlotSynthesisExistingThread
{
    public int PlotThreadID { get; init; }
    public string Title { get; init; } = string.Empty;
    public string? Summary { get; init; }
    public string? Status { get; init; }
}

public sealed class WholeBookPlotSynthesisResult
{
    public WholeBookPlotSynthesisMetadata Metadata { get; init; } = new();
    public IReadOnlyList<WholeBookPlotSynthesisPlotLineResult> PlotLines { get; init; } = [];

    public static WholeBookPlotSynthesisResult FromJson(string json)
        => JsonSerializer.Deserialize<WholeBookPlotSynthesisResult>(
            json,
            new JsonSerializerOptions { PropertyNameCaseInsensitive = true }) ?? new();
}

public sealed class WholeBookPlotSynthesisMetadata
{
    public string BookStatus { get; init; } = string.Empty;
    public string Summary { get; init; } = string.Empty;
}

public sealed class WholeBookPlotSynthesisPlotLineResult
{
    public string Key { get; init; } = string.Empty;
    public string ProposedTitle { get; init; } = string.Empty;
    public string Description { get; init; } = string.Empty;
    public string Significance { get; init; } = string.Empty;
    public string BookStatus { get; init; } = string.Empty;
    public int? ExistingPlotLineID { get; init; }
    public decimal? ExistingPlotLineMatchConfidence { get; init; }
    public string? ExistingPlotLineMatchReason { get; init; }
    public int? AuthorPlotSeedID { get; init; }
    public decimal? SeedMatchConfidence { get; init; }
    public string? SeedMatchReason { get; init; }
    public decimal? Confidence { get; init; }
    public IReadOnlyList<WholeBookPlotSynthesisThreadResult> Threads { get; init; } = [];
}

public sealed class WholeBookPlotSynthesisThreadResult
{
    public string Key { get; init; } = string.Empty;
    public string ProposedTitle { get; init; } = string.Empty;
    public string Description { get; init; } = string.Empty;
    public string Status { get; init; } = string.Empty;
    public int? ExistingPlotThreadID { get; init; }
    public decimal? ExistingThreadMatchConfidence { get; init; }
    public string? MatchReason { get; init; }
    public decimal? Confidence { get; init; }
    public IReadOnlyList<WholeBookPlotSynthesisEventResult> Events { get; init; } = [];
}

public sealed class WholeBookPlotSynthesisEventResult
{
    public string Key { get; init; } = string.Empty;
    public int SceneID { get; init; }
    public string EventType { get; init; } = string.Empty;
    public string Title { get; init; } = string.Empty;
    public string Description { get; init; } = string.Empty;
    public string Evidence { get; init; } = string.Empty;
    public decimal? Confidence { get; init; }
}