using Newtonsoft.Json;

namespace CoreProfilerExample.Common.Options
{
    public class CoreProfilerOption
    {
        /// <summary>
        /// 資料保存上限(Session)。
        /// </summary>
        [JsonProperty("circularBufferSize")]
        public int CircularBufferSize { get; set; } = 200;
        /// <summary>
        /// 要過濾掉的項目。
        /// </summary>
        [JsonProperty("filters")]
        public IEnumerable<CoreProfilerOptionFilter> Filters { get; set; } = [
            new CoreProfilerOptionFilter
            {
                Key = "/coreprofiler",
                Value = "/coreprofiler",
                Type = "CoreProfiler.ProfilingFilters.NameContainsProfilingFilter, CoreProfiler",
            },
            new CoreProfilerOptionFilter
            {
                Key = "static files",
                Value = "ico,jpg,js,css,svg,json,ttf,woff,woff2,eot",
                Type = "CoreProfiler.ProfilingFilters.FileExtensionProfilingFilter, CoreProfiler",
            },
        ];

        public CoreProfilerOption Save(string filename)
        {
            var json = JsonConvert.SerializeObject(this, Formatting.Indented);

            File.WriteAllText(filename, json);

            return this;
        }

        public static CoreProfilerOption UseCoreProfilerSetting()
        {
            var filename = Path.Combine(AppContext.BaseDirectory, "coreprofiler.json");
            
            if (File.Exists(filename))
            {
                try
                {
                    var json = File.ReadAllText(filename);

                    return JsonConvert.DeserializeObject<CoreProfilerOption>(json);
                }
                catch
                {

                }
            }

            return new CoreProfilerOption().Save(filename);
        }
    }
}