using System;
using System.Collections.Generic;

namespace ChatComponents
{
    public class PartialFile


    {
        /// Media type
        public readonly string mimeType;

        /// 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;

        /// 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 PartialFile(
            string name,
            int size,
            string uri,
            string mimeType = null
        )
        {
            this.name = name;
            this.size = size;
            this.uri = uri;
            this.mimeType = mimeType;
        }

        /// Creates a partial file message from a map (decoded JSON).
        public PartialFile fromJson(Dictionary<string, object> json)
        {
            return new PartialFile(
                mimeType: json["mimeType"] as string,
                name: json["name"] as string,
                size: Convert.ToInt32(json["size"]),
                uri: json["uri"] as string
            );
        }

        /// Converts a partial file message to the map representation, encodable to JSON.
        private Dictionary<string, object> toJson()
        {
            return new Dictionary<string, object>
            {
                {"mimeType", mimeType},
                {"name", name},
                {"size", size},
                {"uri", uri}
            };
        }
    }
}