using System.Text;

namespace Dpz.Core.Service.ObjectStorage.VideoHandle;

/// <summary>
/// 视频处理参数
/// </summary>
public class AvOpts : List<OptionType>
{
    private const int MaxCount = 10;

    public AvOpts() { }

    public AvOpts(ICollection<OptionType> items)
    {
        AddRange(items);
    }

    public new void Add(OptionType item)
    {
        if (Count >= MaxCount)
        {
            throw new InvalidOperationException("The maximum number of items has been reached.");
        }
        base.Add(item);
    }

    public new void AddRange(ICollection<OptionType> items)
    {
        var c = Math.Max(MaxCount - Count, 0);
        if (c > 0)
        {
            base.AddRange(items.Take(c));
        }
    }

    public override string ToString()
    {
        var sb = new StringBuilder();
        foreach (var item in this)
        {
            var value = item.Value switch
            {
                bool bv => bv.ToString().ToLower(),
                null => "",
                _ => item.Value.ToString()
            };
            sb.Append($"/{item.Name}/{value}");
        }
        return sb.ToString();
    }
}