using System.Text;
using Newtonsoft.Json;

namespace ShellyExporter
{
    public class Metrics
    {
        public static async Task<StringBuilder> Get(string path, string name)
        {
            var sb = new StringBuilder();

            var client = new HttpClient();
            var response = await client.GetStringAsync(path);

            dynamic responseObject = JsonConvert.DeserializeObject(response);

            if (responseObject == null)
                return sb;

            if (responseObject.meters != null)
            {
                sb.AppendLine($"meters_power_wats{{item=\"{name}\"}} {responseObject.meters[0].power}");
                sb.AppendLine($"meters_overpower_wats{{item=\"{name}\"}} " + responseObject.meters[0].overpower);
                sb.AppendLine($"meters_is_valid{{item=\"{name}\"}} " + (responseObject.meters[0].is_valid == "True" ? 1 : 0));
                sb.AppendLine($"meters_timestamp{{item=\"{name}\"}} " + responseObject.meters[0].timestamp);
                sb.AppendLine($"meters_power_total{{item=\"{name}\"}} " + responseObject.meters[0].total);
            }

            if (responseObject.temperature != null)
            {
                sb.AppendLine($"temperature{{item=\"{name}\"}} " + responseObject.temperature);
            }

            return sb;
        }
    }
}