using System.Text.Json;
using System.Text.Json.Serialization;

namespace VFXReviewWorker;

// Wire types for the /api/ext pipeline endpoints (RenderPipeline2 §6).

public sealed class RegisterResponse
{
    public MachineInfo Machine { get; set; } = new();
    public ServerConfig Config { get; set; } = new();
}

public sealed class MachineInfo
{
    public string Id { get; set; } = "";
    public string Name { get; set; } = "";
    public bool Enabled { get; set; }
}

/// <summary>Server-supplied tuning (E6) — fleet-tunable without touching installs.</summary>
public sealed class ServerConfig
{
    public int PollSeconds { get; set; } = 10;
    public int HeartbeatSeconds { get; set; } = 30;
    public int LeaseSeconds { get; set; } = 300;
    public int MaxAttempts { get; set; } = 3;
    public int StallTimeoutSeconds { get; set; } = 600;
}

public sealed class ClaimResponse
{
    public ClaimedJob Job { get; set; } = new();
}

public sealed class ClaimedJob
{
    public string Id { get; set; } = "";
    public string Type { get; set; } = "AE_RENDER";
    public int Attempt { get; set; }
    public int MaxAttempts { get; set; }
    public string? ExportId { get; set; }
    public DateTimeOffset? LeaseExpiresAt { get; set; }

    /// <summary>Manifest shape depends on the job type — deserialize per stage.</summary>
    public JsonElement Manifest { get; set; }

    public RenderManifest AsRenderManifest() =>
        Manifest.Deserialize<RenderManifest>(WorkerOptions.JsonOpts)
        ?? throw new InvalidOperationException("Job manifest is not a render manifest");

    public PreviewManifest AsPreviewManifest() =>
        Manifest.Deserialize<PreviewManifest>(WorkerOptions.JsonOpts)
        ?? throw new InvalidOperationException("Job manifest is not a preview manifest");
}

/// <summary>PREVIEW_ONLY manifest (server-built, RenderPipeline2 §9).</summary>
public sealed class PreviewManifest
{
    public string Stage { get; set; } = "PREVIEW";
    public string ExportId { get; set; } = "";
    public string ShotCode { get; set; } = "";
    public string VersionString { get; set; } = "";
    public string OutputDir { get; set; } = "";
    public string OutputPattern { get; set; } = "";
    public int FrameStart { get; set; }
    public int FrameEnd { get; set; }
    public double Fps { get; set; } = 24;
    public string TemplateAep { get; set; } = "";
    public string TemplateComp { get; set; } = "";
    public string? OverlayComp { get; set; }
    public string? LutComp { get; set; }
    public string MovTemplate { get; set; } = "";
    public string Mp4Template { get; set; } = "";
    public string MovOutput { get; set; } = "";
    public string Mp4Output { get; set; } = "";
    public string? SlateScopeProp { get; set; }
    public string? SlateSubmissionProp { get; set; }
    public SlateInfo Slate { get; set; } = new();

    public int TotalFrames => FrameEnd - FrameStart + 1;
}

public sealed class SlateInfo
{
    public string VersionName { get; set; } = "";
    public string Date { get; set; } = "";
    public string? Description { get; set; }
    public string? Notes { get; set; }
    public string ShotCode { get; set; } = "";
    public string? Episode { get; set; }
    public string? Scene { get; set; }
    public string? VfxScope { get; set; }
    public string? SubmissionNote { get; set; }
}

/// <summary>Result JSON written by vfxr_build_preview.jsx.</summary>
public sealed class PreviewBuildResult
{
    public bool Ok { get; set; }
    public string? Error { get; set; }
    public List<string> Warnings { get; set; } = new();
    public string? TempAep { get; set; }
    public string? PreviewComp { get; set; }
    public int? FrameCount { get; set; }
    public int? Width { get; set; }
    public int? Height { get; set; }
}

/// <summary>The Render Manifest (§6.2) — only the fields the Phase 2 render stage needs; the rest is preserved raw.</summary>
public sealed class RenderManifest
{
    public string AepPath { get; set; } = "";
    public string CompName { get; set; } = "";
    public string OutputDir { get; set; } = "";
    public string OutputPattern { get; set; } = "";
    public string? OutputModuleTemplate { get; set; }
    public string? RenderSettingsTemplate { get; set; }
    public int FrameStart { get; set; }
    public int FrameEnd { get; set; }

    [JsonExtensionData]
    public Dictionary<string, JsonElement>? Extra { get; set; }

    public int TotalFrames => FrameEnd - FrameStart + 1;
}

public sealed class ProgressResponse
{
    public bool Ok { get; set; }
    public bool CancelRequested { get; set; }
    public DateTimeOffset? LeaseExpiresAt { get; set; }
}

public sealed class HeartbeatResponse
{
    public bool Ok { get; set; }
    public List<WorkerCommand> Commands { get; set; } = new();
}

public sealed class WorkerCommand
{
    public string Type { get; set; } = "";
    public string? JobId { get; set; }
}

public sealed class PresignResponse
{
    public string PresignedUrl { get; set; } = "";
    public string Key { get; set; } = "";
    public string Url { get; set; } = "";
}

public sealed class ExportDetailResponse
{
    public ExportDetail Export { get; set; } = new();
}

public sealed class ExportDetail
{
    public string Id { get; set; } = "";
    public string Status { get; set; } = "";
    public List<RenderJobDetail> RenderJobs { get; set; } = new();
}

public sealed class RenderJobDetail
{
    public string Id { get; set; } = "";
    public string Status { get; set; } = "";
}

/// <summary>Durable lifecycle report persisted to the spool directory (§7.6).</summary>
public sealed class SpooledReport
{
    public string Kind { get; set; } = ""; // "fail" | "complete-render"
    public string JobId { get; set; } = "";
    public Dictionary<string, object?> Payload { get; set; } = new();
    public DateTimeOffset CreatedAt { get; set; } = DateTimeOffset.UtcNow;
}

/// <summary>current-job.json — crash recovery state (§7.5).</summary>
public sealed class CurrentJobState
{
    public string JobId { get; set; } = "";
    public string? ExportId { get; set; } = "";
    public string MachineId { get; set; } = "";
    public string OutputDirLocal { get; set; } = "";
    public DateTimeOffset ClaimedAt { get; set; }
}