using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json;
using Competition.Common.Util;
using CompetitionAPI.Util;

namespace CompetitionAPI.Controllers.back
{
    [Route("api/[controller]")]
    [ApiController]
    public class GetFaultTreeController : Controller
    {
        private readonly IWebHostEnvironment _webHostEnvironment;

        Competition.Mysql.BLL.pow_exam exam_bll = new Competition.Mysql.BLL.pow_exam();

        public GetFaultTreeController(IWebHostEnvironment webHostEnvironment)
        {
            _webHostEnvironment = webHostEnvironment;
        }

        /// <summary>
        /// 获取故障树接口
        /// </summary>
        /// <returns></returns>
        [Authorize]
        [HttpGet]
        [APIFilter]
        public JsonResult Index()
        {
            try
            {
                var tree_list = ReadTree();
                return Json(Tool.GetJsonWithCode(APICode.Success, tree_list));
            }
            catch (Exception ex)
            {
                LogHelper.WriteLog(ex.Message + "，行号：" + ex.StackTrace);
                return Json(Tool.GetJsonWithCode(APICode.Fail, "发生错误，请联系管理员。"));
            }
        }

        /// <summary>
        /// 获取树结构json
        /// </summary>
        /// <returns></returns>
        private List<Competition.Mysql.Other.fault_tree> ReadTree()
        {
            var tree_list = new List<Competition.Mysql.Other.fault_tree>();
            string fault_tree_file = _webHostEnvironment.WebRootPath + "/Json/FaultTree.json";
            //读取json文件
            using (StreamReader file = System.IO.File.OpenText(fault_tree_file))
            {
                using (JsonTextReader reader = new JsonTextReader(file))
                {
                    tree_list = JsonConvert.DeserializeObject<List<Competition.Mysql.Other.fault_tree>>(JToken.ReadFrom(reader).ToString());
                }
            }
            return tree_list;
        }
    }
}