namespace Cef3.Interop
{
    using System;
    using System.Collections.Generic;
    using System.Runtime.InteropServices;
    using System.Security;
    using System.Text;

    [StructLayout(LayoutKind.Sequential, Pack = libcef.ALIGN)]
    internal unsafe struct cef_string_map
    {
        public static Dictionary<string, string> ToDictionary(cef_string_map* map)
        {
            if (map == null) return null;

            var result = new Dictionary<string, string>();
            var count = libcef.string_map_size(map);
            if (count == 0) return result;

            cef_string_t n_value = new cef_string_t();

            for (var i = 0; i < count; i++)
            {
                libcef.string_map_key(map, i, &n_value);   // FIXME: do not ignore return value of libcef.string_map_key
                var key = cef_string_t.ToString(&n_value);
                libcef.string_map_value(map, i, &n_value); // FIXME: do not ignore return value of libcef.string_map_value
                var value = cef_string_t.ToString(&n_value);
                result.Add(key, value);
            }

            libcef.string_clear(&n_value);

            return result;
        }
    }
}