using System;
using InABox.Core;
using Xamarin.Forms;

namespace PRS.Mobile
{
    public class DigitalFormViewChangedArgs
    {
        public DFLayoutField? Definition { get; private set; }
        
        public object? Value { get; private set; }

        public DigitalFormViewChangedArgs(DFLayoutField? definition, object? value)
        {
            Definition = definition;
            Value = value;
        }
    }

    public delegate void DigitalFormViewChangedHandler(IDigitalFormField sender, DigitalFormViewChangedArgs args);

    public interface IDigitalFormField
    {
        
        object Value { get; set; }
        event DigitalFormViewChangedHandler? ValueChanged;
        
        void Deserialize(DFLoadStorageEntry entry);

        void Serialize(DFSaveStorageEntry entry);

        bool IsEmpty { get; }

        bool ReadOnly { get; set; }
                
        Color BackgroundColor { get; set; }
        
    }
    
    public interface IDigitalFormField<TDefinition,TProperties,TValue, TSerialized> : IDigitalFormControl<TDefinition>, IDigitalFormField 
        where TDefinition : DFLayoutField<TProperties> 
        where TProperties : DFLayoutFieldProperties<TValue, TSerialized>, new()
    {
        TValue Value { get; set; }
        
        object IDigitalFormField.Value
        {
            get => Value;
            set => Value = (TValue)value;
        }
    }
}