using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using WebApplication3.Models;
using WebApplication3.Clases;

namespace WebApplication3.Controllers
{
    //[Route("api/queue")]
    //[ApiController]
    [ApiExplorerSettings(IgnoreApi = true)]
    public class ServiceQueueController : ControllerBase
    {
        private readonly AquiferContext _context;
        //private TsPozoController tsPozoController;
        
        
        public ServiceQueueController(AquiferContext context)
        {
            _context = context;
            //tsPozoController = new TsPozoController(context);
            
        }

        // GET: api/Pozo
        [HttpGet]
        public async Task<ActionResult<IEnumerable<ServiceQueue>>> GetQueue()
        {
            return await _context.ServiceQueue.ToListAsync();
        }

        // GET: api/Pozo/5
        [HttpGet("{id}")]
        public async Task<ActionResult<ServiceQueue>> GetQueueItem(uint id)
        {            
            var queueItem = await _context.ServiceQueue.FindAsync(id);
            
            if (queueItem == null)
            {
                return NotFound();
            }
            
            return queueItem;
        }

        [HttpGet("Running")]
        public async Task<bool> ServiceRunning()
        {
            var queueItem = await _context.ServiceQueue.AnyAsync(x => x.Corriendo != 0);
                
            return queueItem;
        }
        
        [HttpGet("Inqueue")]
        public async Task<bool> AnyInQueue()
        {
            return await _context.ServiceQueue.AnyAsync(x => x.Terminado == 0 && x.Corriendo == 0 && x.Error == 0);
        }

        [HttpGet("Next")]
        public ServiceQueue GetNextInQueue()
        {
            return _context.ServiceQueue.Where(x => x.Terminado == 0 && x.Corriendo == 0 && x.Error == 0).OrderBy(x=> x.Id).FirstOrDefault();
        }

        [HttpPost("Corriendo/{id}")]
        public async Task<int> SetCorriendo(uint id)
        {
            var serviceQueueItem = await _context.ServiceQueue.FindAsync(id);

            serviceQueueItem.Corriendo = 1;
            serviceQueueItem.Inicio = DateTime.Now.ToString();

            _context.Entry(serviceQueueItem).State = EntityState.Modified;

            int result = 0;
            try
            {
                result = await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {

            }

            return result;
        }

        [NonAction]
        public async Task<ActionResult<ServiceQueue>> SetTerminado(uint id)
        {
            var serviceQueueItem = await _context.ServiceQueue.FindAsync(id);

            serviceQueueItem.Corriendo = 0;
            serviceQueueItem.Terminado = 1;
            serviceQueueItem.Fin = DateTime.Now.ToString();

            _context.Entry(serviceQueueItem).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!ServiceQueueExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }

            return CreatedAtAction("GetQueueItem", new { id = serviceQueueItem.Id }, serviceQueueItem);
        }

        [NonAction]
        public async Task<ActionResult<ServiceQueue>> SetError(uint id)
        {
            var serviceQueueItem = await _context.ServiceQueue.FindAsync(id);

            serviceQueueItem.Error = 1;
            serviceQueueItem.Corriendo = 0;
            serviceQueueItem.Terminado = 1;
            serviceQueueItem.Fin = DateTime.Now.ToString();

            _context.Entry(serviceQueueItem).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!ServiceQueueExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }

            return CreatedAtAction("GetQueueItem", new { id = serviceQueueItem.Id }, serviceQueueItem);
        }


        // POST: api/ServiceQueue
        // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754
        [HttpPost]
        public async Task<ActionResult<ServiceQueue>> PostServiceQueue(ServiceQueue serviceQueue)
        {

            _context.ServiceQueue.Add(serviceQueue);
            try
            {
                await _context.SaveChangesAsync();

            }
            catch (DbUpdateException)
            {
                if (ServiceQueueExists(serviceQueue.Id))
                {
                    return Conflict();
                }
                else
                {
                    throw;
                }
            }


            return CreatedAtAction("GetQueueItem", new { id = serviceQueue.Id }, serviceQueue);
        }

        // DELETE: api/Pozo/5
        [HttpDelete("{id}")]
        public async Task<IActionResult> DeleteServiceQueue(uint id)
        {
            var serviceQueueItem = await _context.ServiceQueue.FindAsync(id);
            if (serviceQueueItem == null)
            {
                return NotFound();
            }
            
            _context.ServiceQueue.Remove(serviceQueueItem);
            await _context.SaveChangesAsync();

            return NoContent();
        }

        private bool ServiceQueueExists(uint id)
        {
            return _context.ServiceQueue.Any(e => e.Id == id);
        }

    }
}