using FluentValidation;
using InfluxDB.Client.Api.Domain;
using InfluxDB.Client.Writes;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using PARR.API.Contracts.V1;
using PARR.API.Contracts.V1.Requests;
using PARR.API.Contracts.V1.Requests.Queries;
using PARR.API.Contracts.V1.Responses.Base;
using PARR.API.Controllers.V1.Base;
using PARR.Constants;
using PARR.DAL.InfluxDbServices;
using PARR.DAL.Settings;

namespace PARR.API.Controllers.V1.Statistics
{
    /// <summary>
    /// Статистика доступности роботов
    /// </summary>
    [Authorize(Roles = ParrRoles.EsppRobot.RoleOrAdmin)]
    public class StatRobotStateController : BaseApiController
    {
        private readonly IInfluxDbService influxDbService;
        private readonly IValidator<RobotStateRequest> validator;
        private readonly InfluxDbSettings influxDbSettings;

        public StatRobotStateController(
            IInfluxDbService influxDbService,
            IValidator<RobotStateRequest> validator,
            InfluxDbSettings influxDbSettings
            )
        {
            this.influxDbService = influxDbService;
            this.validator = validator;
            this.influxDbSettings = influxDbSettings;
        }


        /// <summary>
        /// Доступность робота
        /// </summary>
        /// <returns></returns>
        [HttpGet(ApiRoutes.StatRobotState.Get)]
        public async Task<IActionResult> Get([FromRoute] RobotsAllEnum robot, [FromQuery] RobotStateGetQuery query)
        {

            var result = await influxDbService.QueryAsync(async handler =>
             {
                 //var flux = "from(bucket:\"robots\") " +
                 //          "|> range(start: 0) " +
                 //          "|> filter(fn: (r) => " +
                 //          "r._measurement == \"altitude\" and " +
                 //          "r._value > 3500)";

                 var query = $"from(bucket:\"{influxDbSettings.Robots!.Bucket}\") " +
                                 $"|> range(start: -3h) " +
                                 $"|> filter(fn: (r) => " +
                                    $"r._measurement == \"robots\" " +
                                    $"and r.robot == \"{robot.ToString()}\"" +
                                 $")";


                 var tables = await handler.QueryAsync(query, influxDbSettings.Organization);


                 //return tables.SelectMany(table =>
                 // table.Records.Select(record =>
                 //     new AltitudeModel
                 //     {
                 //         Time = record.GetTime().ToString(),
                 //         Altitude = int.Parse(record.GetValue()?.ToString() ?? "0")
                 //     }));


                 return "";
             }, influxDbSettings.Robots!.Token);

            if (result == null)
                return BadRequest(new Response(false, new List<ErrorModel> { new ErrorModel { Message = $"Ошибка при получении статистики" } }));


            return Ok();
        }



        /// <summary>
        /// Статистика доступности роботов. Передать инф-у о доступности
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost(ApiRoutes.StatRobotState.Send)]
        public async Task<IActionResult> Send([FromBody] RobotStateRequest request)
        {
            var resultValidate = await validator.ValidateAsync(request);
            if (!resultValidate.IsValid)
                return BadRequest(new Response(resultValidate.Errors));

            var result = influxDbService.Write(write =>
                {
                    var point = PointData.Measurement("robots")
                                         .Tag("robot", request.Robot.ToString())
                                         //.Field("robot", (int)request.Robot)
                                         .Field("isUp", 1)
                                         .Timestamp(DateTime.UtcNow, WritePrecision.Ns);

                    write.WritePoint(point, bucket: influxDbSettings.Robots!.Bucket, org: influxDbSettings.Organization);
                }, influxDbSettings.Robots!.Token);

            if (!result)
                return BadRequest(new Response(false, new List<ErrorModel> { new ErrorModel { Message = $"Ошибка при отправке данных" } }));

            return Ok(new Response<string>("", true));
        }
    }
}