using Newtonsoft.Json;
using System;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;

namespace SparkClient.Model.Services
{
    public class SOCClientService
    {
        private readonly string _baseUrl;
        private readonly string _authToken;

        public SOCClientService(string baseUrl, string authToken)
        {
            _baseUrl = baseUrl;
            _authToken = authToken;
        }

        // 通用GET请求方法
        private async Task<HttpResponseMessage> SendGetRequestAsync(string url)
        {
            using (var client = new HttpClient())
            {
                client.DefaultRequestHeaders.Add("Authorization", "Basic " + _authToken);
                return await client.GetAsync(url);
            }
        }

        // 1. 启动图片收集任务
        public async Task<string> CollectImagesAsync(int lightLevel)
        {
            string url = $"{_baseUrl}/collect_images?light_level={lightLevel}";
            var response = await SendGetRequestAsync(url);

            if (response.IsSuccessStatusCode)
            {
                var jsonResponse = await response.Content.ReadAsStringAsync();
                var result = JsonConvert.DeserializeObject<ResponseStatus>(jsonResponse);
                return result.Status;
            }
            else
            {
                return "Error: " + response.StatusCode;
            }
        }

        // 2. 获取图片
        public async Task<byte[]> RetrieveImageAsync(int index)
        {
            string url = $"{_baseUrl}/retrieve_image/{index}";
            var response = await SendGetRequestAsync(url);

            if (response.IsSuccessStatusCode)
            {
                return await response.Content.ReadAsByteArrayAsync();
            }
            else
            {
                throw new Exception("Error retrieving image: " + response.StatusCode);
            }
        }

        // 3. 获取采集状态
        public async Task<string> CollectStatusAsync()
        {
            string url = $"{_baseUrl}/collect_status";
            var response = await SendGetRequestAsync(url);

            if (response.IsSuccessStatusCode)
            {
                var jsonResponse = await response.Content.ReadAsStringAsync();
                var result = JsonConvert.DeserializeObject<ResponseStatus>(jsonResponse);
                return result.Status;
            }
            else
            {
                return "Error: " + response.StatusCode;
            }
        }
    }

    public class ResponseStatus
    {
        public string Status { get; set; }
        public string Message { get; set; }
    }
}