using CloudPrint.Client.Infrastructure;

namespace CloudPrint.Client.Models;

public enum PrintJobStatus
{
    Pending,
    Printing,
    Completed,
    Failed,
    Cancelled
}

public sealed class PrintJob : ObservableObject
{
    private PrintJobStatus _status = PrintJobStatus.Pending;
    private int _progress;
    private string _errorMessage = string.Empty;
    private int? _windowsJobId;
    private string _windowsJobStatus = string.Empty;

    public int Id { get; init; }
    public string JobNo { get; init; } = string.Empty;
    public int PrinterId { get; set; }
    public string PrinterName { get; set; } = string.Empty;
    public int OrderItemId { get; init; }
    public int FileId { get; init; }
    public string FileName { get; init; } = string.Empty;
    public string FilePath { get; set; } = string.Empty;
    public int Copies { get; init; } = 1;
    public bool Color { get; init; }
    public bool Duplex { get; init; }
    public string PageRange { get; init; } = "all";
    public DateTime? StartedAt { get; set; }
    public DateTime? CompletedAt { get; set; }

    public int? WindowsJobId
    {
        get => _windowsJobId;
        set => SetProperty(ref _windowsJobId, value);
    }

    public string WindowsJobStatus
    {
        get => _windowsJobStatus;
        set => SetProperty(ref _windowsJobStatus, value);
    }

    public PrintJobStatus Status
    {
        get => _status;
        set
        {
            if (SetProperty(ref _status, value))
            {
                OnPropertyChanged(nameof(StatusText));
            }
        }
    }

    public int Progress
    {
        get => _progress;
        set => SetProperty(ref _progress, Math.Clamp(value, 0, 100));
    }

    public string ErrorMessage
    {
        get => _errorMessage;
        set => SetProperty(ref _errorMessage, value);
    }

    public string StatusText => Status switch
    {
        PrintJobStatus.Pending => "待打印",
        PrintJobStatus.Printing => "打印中",
        PrintJobStatus.Completed => "已完成",
        PrintJobStatus.Failed => "失败",
        PrintJobStatus.Cancelled => "已取消",
        _ => "未知"
    };

    public void MarkPrinting()
    {
        StartedAt ??= DateTime.Now;
        Status = PrintJobStatus.Printing;
        Progress = Math.Max(Progress, 1);
    }

    public void MarkCompleted()
    {
        Status = PrintJobStatus.Completed;
        Progress = 100;
        CompletedAt = DateTime.Now;
        ErrorMessage = string.Empty;
    }

    public void MarkFailed(string message)
    {
        Status = PrintJobStatus.Failed;
        ErrorMessage = message;
        CompletedAt = DateTime.Now;
    }

    public void MarkCancelled()
    {
        Status = PrintJobStatus.Cancelled;
        CompletedAt = DateTime.Now;
    }
}