using System;
using System.Collections.Generic;

namespace ChatComponents
{
    public class PartialImage
    {

        /// The name of the file
        public readonly string name;

        /// Size of the file in bytes
        public readonly int size;

        /// The file source (either a remote URL or a local resource)
        public readonly string uri;

        public readonly float? width;
        public readonly float? height;


        /// Creates a partial file message with all variables file can have.
        /// Use [FileMessage] to create a full message.
        /// You can use [FileMessage.fromPartial] constructor to create a full
        /// message from a partial one.
        public PartialImage(
            string name,
            int size,
            string uri,
            float? height = null,
            float? width = null

        )
        {
            this.name = name;
            this.size = size;
            this.uri = uri;
            this.height = height;
            this.width = width;

        }

        /// Creates a partial file message from a map (decoded JSON).
        public PartialImage fromJson(Dictionary<string, object> json)
        {
            return new PartialImage(

                name: json["name"] as string,
                size: Convert.ToInt32(json["size"]),
                uri: json["uri"] as string,
                height: Convert.ToDouble(json["height"]) is float ? (float) Convert.ToDouble(json["height"]) : 0f,
                width: Convert.ToDouble(json["width"]) is float ? (float) Convert.ToDouble(json["width"]) : 0f
            );
        }

        /// Converts a partial file message to the map representation, encodable to JSON.
        private Dictionary<string, object> toJson()
        {
            return new Dictionary<string, object>
            {

                {"name", name},
                {"size", size},
                {"uri", uri},
                {"height", height},
                {"width", width}
            };
        }
    }
}