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

namespace FixedAssetPrintAgent;

internal sealed class AgentConfiguration
{
  public string ServerUrl { get; set; } = "https://www.jsgdzc.cn";
  public string TerminalName { get; set; } = Environment.MachineName;
  public string MachineName { get; set; } = Environment.MachineName;
  public string Platform { get; set; } = "windows";
  public string DeviceToken { get; set; } = string.Empty;
  public int TerminalId { get; set; }
  public string SelectedPrinterName { get; set; } = string.Empty;
  public int HeartbeatIntervalSeconds { get; set; } = 30;
  public int PollIntervalSeconds { get; set; } = 3;
  public bool RunAtStartup { get; set; } = true;
  public string PairedAt { get; set; } = string.Empty;

  public AgentConfiguration Clone()
  {
    return new AgentConfiguration
    {
      ServerUrl = ServerUrl,
      TerminalName = TerminalName,
      MachineName = MachineName,
      Platform = Platform,
      DeviceToken = DeviceToken,
      TerminalId = TerminalId,
      SelectedPrinterName = SelectedPrinterName,
      HeartbeatIntervalSeconds = HeartbeatIntervalSeconds,
      PollIntervalSeconds = PollIntervalSeconds,
      RunAtStartup = RunAtStartup,
      PairedAt = PairedAt
    };
  }
}

internal sealed class PrinterInfo
{
  [JsonPropertyName("name")]
  public string Name { get; set; } = string.Empty;

  [JsonPropertyName("driver_name")]
  public string? DriverName { get; set; }

  [JsonPropertyName("port_name")]
  public string? PortName { get; set; }

  [JsonPropertyName("is_default")]
  public bool IsDefault { get; set; }

  [JsonPropertyName("is_available")]
  public bool IsAvailable { get; set; } = true;
}

internal sealed class PrintLabelProfile
{
  [JsonPropertyName("paper_size")]
  public string PaperSize { get; set; } = "60x40mm";

  [JsonPropertyName("width_mm")]
  public int WidthMillimeters { get; set; } = 60;

  [JsonPropertyName("height_mm")]
  public int HeightMillimeters { get; set; } = 40;

  [JsonPropertyName("orientation")]
  public string Orientation { get; set; } = "landscape";

  [JsonPropertyName("scale_mode")]
  public string ScaleMode { get; set; } = "fit";
}

internal sealed class DepartmentInfo
{
  [JsonPropertyName("name")]
  public string? Name { get; set; }
}

internal sealed class AssetLabelItem
{
  [JsonPropertyName("id")]
  public int Id { get; set; }

  [JsonPropertyName("equipment_code")]
  public string EquipmentCode { get; set; } = string.Empty;

  [JsonPropertyName("equipment_name")]
  public string EquipmentName { get; set; } = string.Empty;

  [JsonPropertyName("equipment_model")]
  public string? EquipmentModel { get; set; }

  [JsonPropertyName("equipment_type")]
  public string EquipmentType { get; set; } = string.Empty;

  [JsonPropertyName("purchase_date")]
  public string? PurchaseDate { get; set; }

  [JsonPropertyName("department")]
  public DepartmentInfo? Department { get; set; }
}

internal sealed class AssetLabelRenderedImage
{
  [JsonPropertyName("equipment_id")]
  public int EquipmentId { get; set; }

  [JsonPropertyName("image_data_url")]
  public string ImageDataUrl { get; set; } = string.Empty;
}

internal sealed class AssetLabelPayload
{
  [JsonPropertyName("items")]
  public List<AssetLabelItem> Items { get; set; } = [];

  [JsonPropertyName("rendered_labels")]
  public List<AssetLabelRenderedImage> RenderedLabels { get; set; } = [];
}

internal sealed class PrintJobDto
{
  [JsonPropertyName("claim_token")]
  public string ClaimToken { get; set; } = string.Empty;
  [JsonPropertyName("id")]
  public int Id { get; set; }

  [JsonPropertyName("job_type")]
  public string JobType { get; set; } = string.Empty;

  [JsonPropertyName("payload")]
  public AssetLabelPayload? Payload { get; set; }

  [JsonPropertyName("payload_json")]
  public JsonElement PayloadJson { get; set; }
}

internal sealed class PrintJobState
{
  [JsonPropertyName("id")]
  public int Id { get; set; }
  [JsonPropertyName("status")]
  public string Status { get; set; } = string.Empty;
  [JsonPropertyName("claim_token")]
  public string? ClaimToken
  {
    get => _claimToken;
    set { _claimToken = value; ClaimTokenWasProvided = true; }
  }
  private string? _claimToken;
  [JsonIgnore]
  public bool ClaimTokenWasProvided { get; private set; }

  public bool HasValidState() => ClaimTokenWasProvided &&
    Status is "queued" or "claimed" or "printing" or "result_unknown" or "completed" or "cancelled" or "failed";
}

internal sealed class PrintJobClaimData
{
  [JsonPropertyName("job")]
  public PrintJobDto? Job { get; set; }

  [JsonPropertyName("message")]
  public string? Message { get; set; }
}

internal sealed class PairResponse
{
  [JsonPropertyName("terminal_id")]
  public int TerminalId { get; set; }

  [JsonPropertyName("device_token")]
  public string DeviceToken { get; set; } = string.Empty;

  [JsonPropertyName("paired_at")]
  public string? PairedAt { get; set; }

  [JsonPropertyName("is_default")]
  public bool IsDefault { get; set; }
}

internal sealed class PrintAgentReleaseCollection
{
  [JsonPropertyName("latest_version")]
  public string? LatestVersion { get; set; }

  [JsonPropertyName("latest_download_url")]
  public string? LatestDownloadUrl { get; set; }

  [JsonPropertyName("releases")]
  public List<PrintAgentReleaseInfo> Releases { get; set; } = [];
}

internal sealed class PrintAgentReleaseInfo
{
  [JsonPropertyName("version")]
  public string Version { get; set; } = string.Empty;

  [JsonPropertyName("published_at")]
  public string? PublishedAt { get; set; }

  [JsonPropertyName("filename")]
  public string? FileName { get; set; }

  [JsonPropertyName("notes")]
  public string? Notes { get; set; }

  [JsonPropertyName("download_url")]
  public string? DownloadUrl { get; set; }
}

internal sealed class DriverLatestInfo
{
  [JsonPropertyName("title")]
  public string Title { get; set; } = string.Empty;

  [JsonPropertyName("official_url")]
  public string OfficialUrl { get; set; } = string.Empty;

  [JsonPropertyName("source_url")]
  public string? SourceUrl { get; set; }

  [JsonPropertyName("checked_at")]
  public string? CheckedAt { get; set; }

  [JsonPropertyName("notes")]
  public string? Notes { get; set; }
}

internal sealed class DriverArchiveRelease
{
  [JsonPropertyName("version")]
  public string Version { get; set; } = string.Empty;

  [JsonPropertyName("published_at")]
  public string? PublishedAt { get; set; }

  [JsonPropertyName("filename")]
  public string? FileName { get; set; }

  [JsonPropertyName("notes")]
  public string? Notes { get; set; }

  [JsonPropertyName("download_url")]
  public string? DownloadUrl { get; set; }
}

internal sealed class PrintAgentRuntimeState
{
  public AgentConfiguration Configuration { get; set; } = new();
  public List<PrinterInfo> Printers { get; set; } = [];
  public List<PrintAgentReleaseInfo> Releases { get; set; } = [];
  public DriverLatestInfo? LatestDriver { get; set; }
  public List<DriverArchiveRelease> ArchivedDrivers { get; set; } = [];
  public string UpdateStatusMessage { get; set; } = "尚未检查版本";
  public string LastHeartbeatAt { get; set; } = string.Empty;
  public string LastClaimAt { get; set; } = string.Empty;
  public string LastJobResult { get; set; } = string.Empty;
  public string LastError { get; set; } = string.Empty;
  public List<string> LogLines { get; set; } = [];

  public bool IsPaired =>
    Configuration.TerminalId > 0 && !string.IsNullOrWhiteSpace(Configuration.DeviceToken);

  public PrintAgentRuntimeState Clone()
  {
    return new PrintAgentRuntimeState
    {
      Configuration = Configuration.Clone(),
      Printers = Printers
        .Select(item => new PrinterInfo
        {
          Name = item.Name,
          DriverName = item.DriverName,
          PortName = item.PortName,
          IsDefault = item.IsDefault,
          IsAvailable = item.IsAvailable
        })
        .ToList(),
      Releases = Releases
        .Select(item => new PrintAgentReleaseInfo
        {
          Version = item.Version,
          PublishedAt = item.PublishedAt,
          FileName = item.FileName,
          Notes = item.Notes,
          DownloadUrl = item.DownloadUrl
        })
        .ToList(),
      LatestDriver = LatestDriver is null
        ? null
        : new DriverLatestInfo
        {
          Title = LatestDriver.Title,
          OfficialUrl = LatestDriver.OfficialUrl,
          SourceUrl = LatestDriver.SourceUrl,
          CheckedAt = LatestDriver.CheckedAt,
          Notes = LatestDriver.Notes
        },
      ArchivedDrivers = ArchivedDrivers
        .Select(item => new DriverArchiveRelease
        {
          Version = item.Version,
          PublishedAt = item.PublishedAt,
          FileName = item.FileName,
          Notes = item.Notes,
          DownloadUrl = item.DownloadUrl
        })
        .ToList(),
      UpdateStatusMessage = UpdateStatusMessage,
      LastHeartbeatAt = LastHeartbeatAt,
      LastClaimAt = LastClaimAt,
      LastJobResult = LastJobResult,
      LastError = LastError,
      LogLines = [.. LogLines]
    };
  }
}