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using System.Globalization;
using System.Text;
using System.Text.Json;
using Costasdev.Busurbano.Backend.Configuration;
using Costasdev.Busurbano.Backend.Types;
using Costasdev.VigoTransitApi;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Caching.Memory;
using Microsoft.Extensions.Options;
using SysFile = System.IO.File;
namespace Costasdev.Busurbano.Backend.Controllers;
[ApiController]
[Route("api/vigo")]
public class VigoController : ControllerBase
{
private readonly ILogger<VigoController> _logger;
private readonly VigoTransitApiClient _api;
private readonly AppConfiguration _configuration;
public VigoController(HttpClient http, IOptions<AppConfiguration> options, ILogger<VigoController> logger)
{
_logger = logger;
_api = new VigoTransitApiClient(http);
_configuration = options.Value;
}
[HttpGet("GetStopEstimates")]
public async Task<IActionResult> Run(
[FromQuery] int id
)
{
try
{
var response = await _api.GetStopEstimates(id);
// Return only the estimates array, not the stop metadata
return new OkObjectResult(response.Estimates);
}
catch (InvalidOperationException)
{
return BadRequest("Stop not found");
}
}
[HttpGet("GetStopTimetable")]
public async Task<IActionResult> GetStopTimetable(
[FromQuery] int stopId,
[FromQuery] string date
)
{
// Validate date format
if (!DateTime.TryParseExact(date, "yyyy-MM-dd", null, DateTimeStyles.None, out _))
{
return BadRequest("Invalid date format. Please use yyyy-MM-dd format.");
}
try
{
var timetableData = await LoadTimetable(stopId.ToString(), date);
return new OkObjectResult(timetableData);
}
catch (FileNotFoundException ex)
{
_logger.LogError(ex, "Stop data not found for stop {StopId} on date {Date}", stopId, date);
return StatusCode(404, $"Stop data not found for stop {stopId} on date {date}");
}
catch(Exception ex)
{
_logger.LogError(ex, "Error loading stop data");
return StatusCode(500, "Error loading timetable");
}
}
/*private StopEstimate[] LoadDebugEstimates()
{
var file = @"C:\Users\ariel\Desktop\GetStopEstimates.json";
var contents = System.IO.File.ReadAllText(file);
return JsonSerializer.Deserialize<StopEstimate[]>(contents, JsonSerializerOptions.Web)!;
}
private ScheduledStop[] LoadDebugTimetable()
{
var file = @"C:\Users\ariel\Desktop\GetStopTimetable.json";
var contents = System.IO.File.ReadAllText(file);
return JsonSerializer.Deserialize<ScheduledStop[]>(contents)!;
}*/
[HttpGet("GetStopArrivalsMerged")]
public async Task<IActionResult> GetStopArrivalsMerged(
[FromQuery] int stopId
)
{
StringBuilder outputBuffer = new();
var now = DateTime.Now.AddSeconds(60 - DateTime.Now.Second);
var realtimeTask = _api.GetStopEstimates(stopId);
var timetableTask = LoadTimetable(stopId.ToString(), now.ToString("yyyy-MM-dd"));
await Task.WhenAll(realtimeTask, timetableTask);
var realTimeEstimates = realtimeTask.Result.Estimates;
var timetable = timetableTask.Result;
foreach (var estimate in realTimeEstimates)
{
outputBuffer.AppendLine($"Parsing estimate with line={estimate.Line}, route={estimate.Route} and minutes={estimate.Minutes} - Arrives at {now.AddMinutes(estimate.Minutes):HH:mm}");
var fullArrivalTime = now.AddMinutes(estimate.Minutes);
var possibleCirculations = timetable
.Where(c => c.Line.Trim() == estimate.Line.Trim() && c.Route.Trim() == estimate.Route.Trim())
.OrderBy(c => c.CallingDateTime())
.ToArray();
outputBuffer.AppendLine($"Found {possibleCirculations.Length} potential circulations");
ScheduledStop? closestCirculation = null;
int closestCirculationTime = int.MaxValue;
foreach (var circulation in possibleCirculations)
{
var diffBetweenScheduleAndTrip = (int)Math.Round((fullArrivalTime - circulation.CallingDateTime()).TotalMinutes);
var diffBetweenNowAndSchedule = (int)(fullArrivalTime - now).TotalMinutes;
var tolerance = Math.Max(2, diffBetweenNowAndSchedule * 0.15); // Positive amount of minutes
if (diffBetweenScheduleAndTrip <= -tolerance)
{
break;
}
if (diffBetweenScheduleAndTrip < closestCirculationTime)
{
closestCirculation = circulation;
closestCirculationTime = diffBetweenScheduleAndTrip;
}
}
if (closestCirculation == null)
{
outputBuffer.AppendLine("**No circulation matched. List of all of them:**");
foreach (var circulation in possibleCirculations)
{
// Circulation A 03LP000_008003_16 stopping at 05/11/2025 22:06:00 (diff: -03:29:59.2644092)
outputBuffer.AppendLine($"Circulation {circulation.TripId} stopping at {circulation.CallingDateTime()} (diff: {fullArrivalTime - circulation.CallingDateTime():HH:mm})");
}
outputBuffer.AppendLine();
continue;
}
if (closestCirculationTime > 0)
{
outputBuffer.Append($"Closest circulation is {closestCirculation.TripId} and arriving {closestCirculationTime} minutes LATE");
}
else if (closestCirculationTime == 0)
{
outputBuffer.Append($"Closest circulation is {closestCirculation.TripId} and arriving ON TIME");
}
else
{
outputBuffer.Append($"Closest circulation is {closestCirculation.TripId} and arriving {Math.Abs(closestCirculationTime)} minutes EARLY");
}
outputBuffer.AppendLine(
$" -- Circulation expected at {closestCirculation.CallingDateTime():HH:mm)}");
outputBuffer.AppendLine();
}
return Ok(outputBuffer.ToString());
}
private async Task<List<ScheduledStop>> LoadTimetable(string stopId, string dateString)
{
var file = Path.Combine(_configuration.ScheduleBasePath, dateString, stopId + ".json");
if (!SysFile.Exists(file))
{
throw new FileNotFoundException();
}
var contents = await SysFile.ReadAllTextAsync(file);
return JsonSerializer.Deserialize<List<ScheduledStop>>(contents)!;
}
}
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