using System.Collections;
using System.Text.Json;

using GSS2.Core.Extensions;

using Microsoft.Extensions.Configuration;

namespace GSS2.Core.Abstractions;

public abstract record ServiceConfigurationBase
{
    public virtual string ToString(string separator, int indent)
    {
        var strs = new List<string?>();
        foreach (var prop in GetType().GetProperties())
        {
            if (prop.GetMethod?.IsStatic != false)
                continue;

            var value = prop.GetValue(this);

            string? strValue = value switch
            {
                string str => str,
                IConfigurationSection configurationSection => $"\n{(configurationSection.AsDictionary() as IDictionary).ToString(separator, indent * 2)}",
                IDictionary dictionary => $"\n{dictionary.ToString(separator, indent * 2)}",
                IEnumerable enumerable => $"\n{enumerable.ToString(separator, indent * 2)}",
                object obj => obj?.ToString(),
                _ => null
            };
            strs.Add($"{prop.Name}: {strValue}");
        }
        return string.Join(separator, strs.Select(s => $"{new string(' ', indent)}{s}"));
    }
}