using System;
using System.Collections.Generic;
using System.Net;
using System.Threading.Tasks;
using LCU.API.Collections.RepoApi.Configuration;
using LCU.API.Collections.RepoApi.Exceptions;
using LCU.API.Collections.RepoApi.Extensions;
using LCU.API.Collections.RepoApi.Models.Filters;
using LCU.API.Collections.RepoApi.Models.Requests;
using LCU.API.Collections.RepoApi.Models.Responses;
using LCU.API.Collections.RepoApi.Services;
using LCU.Shared.Collections.RepoApiLib.Exceptions;
using LCU.Shared.Collections.RepoApiLib.Models;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.FeatureManagement.Mvc;
using Serilog;

namespace LCU.API.Collections.RepoApi.Controllers
{

	[Route("api/[controller]")]
	[ApiController]
	[FeatureGate(FeatureFlags.EnableControllers)]
	public class AuctionAssignmentController : RepoControllerBase
	{
		private readonly IAuctionAssignmentService _auctionAssignmentService;
		private readonly IFloorPricingService _floorPricingService;

		public AuctionAssignmentController(
			IAuctionAssignmentService auctionAssignmentService,
			IFloorPricingService floorPricingService,
			IHttpContextAccessor httpContextAccessor) :
			base(httpContextAccessor)
		{
			_auctionAssignmentService = auctionAssignmentService;
			_floorPricingService = floorPricingService;
		}

		// GET: api/AuctionAssignment
		[HttpGet(Name = "GetAllAuctionAssignments")]
		[ProducesResponseType(typeof(PagedResponse<AuctionAssignment>), 200)]
		[ProducesResponseType(500)]
		public async Task<IActionResult> Get([FromQuery] AuctionAssignmentFilter filter)
		{
			try
			{
				var searchResult = await _auctionAssignmentService.ListByFilterAsync(filter);
				var result = new PagedResponse<AuctionAssignment>(searchResult, filter, this.Url, Request);
				return Ok(result);
			}
			catch (Exception ex)
			{
				Log.Error(ex, $"Failure in {GetType().Name} at {GetInvokerAsyncMethodName()}");
				return StatusCode(StatusCodes.Status500InternalServerError);
			}
		}

		// GET: api/AuctionAssignment/5
		[HttpGet("{id}", Name = "GetAuctionAssignmentById")]
		[ProducesResponseType(typeof(AuctionAssignment), 200)]
		[ProducesResponseType(typeof(string), 400)]
		[ProducesResponseType(500)]
		public async Task<IActionResult> GetById(int id)
		{
			try
			{
				if (id <= 0)
				{
					return BadRequest("Invalid ID");
				}

				var result = await _auctionAssignmentService.GetByIdAsync(id);
				return Ok(result);
			}
			catch (NotFoundException nfe)
			{
				return NotFound(nfe.Message);
			}
			catch (Exception ex)
			{
				Log.Error(ex, $"Failure in {GetType().Name} at {GetInvokerAsyncMethodName()}");
				return StatusCode(StatusCodes.Status500InternalServerError);
			}
		}

		// Get: api/AuctionAssignment/repoId/7
		[HttpGet("repoId/{repoId}", Name = "GetAuctionAssignmentsByRepoId")]
		[ProducesResponseType(typeof(IEnumerable<AuctionAssignment>), 200)]
		[ProducesResponseType(typeof(string), 400)]
		[ProducesResponseType(500)]
		public async Task<IActionResult> GetByRepoId(int repoId)
		{
			try
			{
				if (repoId <= 0)
				{
					return BadRequest("Invalid ID");
				}

				var result = await _auctionAssignmentService.GetByRepoIdAsync(repoId);
				return Ok(result);
			}
			catch (NotFoundException nfe)
			{
				return NotFound(nfe.Message);
			}
			catch (Exception ex)
			{
				Log.Error(ex, $"Failure in {GetType().Name} at {GetInvokerAsyncMethodName()}");
				return StatusCode(StatusCodes.Status500InternalServerError);
			}
		}

		// GET: api/AuctionAssignment/5/FloorPrice
		[HttpGet("{id}/FloorPrice", Name = "GetAuctionAssignmentFloorPriceById")]
		[ProducesResponseType(typeof(FloorPriceCalculationResultSet), 200)]
		[ProducesResponseType(typeof(string), 400)]
		[ProducesResponseType(500)]
		public IActionResult GetAuctionAssignmentFloorPriceById(int id)
		{
			try
			{
				if (id <= 0)
				{
					return BadRequest("Invalid ID");
				}

				var result = _floorPricingService.DetermineFloorPrice(id);
				return Ok(result);
			}
			catch (NotFoundException nfe)
			{
				Log.Error(nfe, $"Failure in {GetType().Name} at {GetInvokerAsyncMethodName()}");
				return NotFound(nfe.Message);
			}
			catch (Exception ex)
			{
				Log.Error(ex, $"Failure in {GetType().Name} at {GetInvokerAsyncMethodName()}");
				return StatusCode(StatusCodes.Status500InternalServerError);				
			}
		}

		// POST: api/AuctionAssignment
		[HttpPost]
		[ProducesResponseType(typeof(AuctionAssignmentPostRequest), 201)]
		[ProducesResponseType(typeof(List<string>), 400)]
		[ProducesResponseType(500)]
		public async Task<IActionResult> Post([FromBody] AuctionAssignmentPostRequest auctionAssignmentPostRequest)
		{
			try
			{
				if (!ModelState.IsValid)
				{
					return BadRequest(ModelState.GetErrorMessages());
				}

				var result = await _auctionAssignmentService.SaveAsync(auctionAssignmentPostRequest);
				return Ok(result);
			}
			catch (WebException we)
			{
				Log.Error(we, $"Failure in {this.GetType().Name} at [AuctionAssignmentPostRequest]");
				return StatusCode(StatusCodes.Status500InternalServerError, we.Message);
			}
			catch (DuplicateResourceException)
			{
				return StatusCode(StatusCodes.Status409Conflict, "An active auction assignment already exists. You must remove the auction before creating a new one.");
			}
			catch (Exception ex)
			{
				Log.Error(ex, $"Failure in {GetType().Name} at {GetInvokerAsyncMethodName()}");
				return StatusCode(StatusCodes.Status500InternalServerError, "Failed to add auction to AutoIMS.");
			}
		}

		// PUT: api/AuctionAssignment/5
		[HttpPut("{id}")]
		[ProducesResponseType(typeof(AuctionAssignment), 200)]
		[ProducesResponseType(typeof(List<string>), 400)]
		[ProducesResponseType(500)]
		public async Task<IActionResult> Put(int id, [FromBody] AuctionAssignment auctionAssignment)
		{
			try
			{
				if (!ModelState.IsValid)
				{
					return BadRequest(ModelState.GetErrorMessages());
				}

				if (id <= 0 || id != auctionAssignment.ID)
				{
					return BadRequest("Invalid ID");
				}

				var result = await _auctionAssignmentService.UpdateAsync(auctionAssignment);
				return Ok(result);
			}
			catch (NotFoundException nfe)
			{
				Log.Error(nfe, $"Failure in {GetType().Name} at {GetInvokerAsyncMethodName()}");
				return NotFound(nfe.Message);
			}
			catch (Exception ex)
			{
				Log.Error(ex, $"Failure in {GetType().Name} at {GetInvokerAsyncMethodName()}");
				return StatusCode(StatusCodes.Status500InternalServerError);
			}
		}

		// DELETE: api/ApiWithActions/5
		[HttpDelete("{id}")]
		[ProducesResponseType(typeof(AuctionAssignment), 200)]
		[ProducesResponseType(500)]
		public async Task<IActionResult> Delete(int id)
		{
			try
			{
				if (id <= 0)
				{
					return BadRequest("Invalid ID");
				}

				var deletedRepoCompany = await _auctionAssignmentService.RemoveAuction(id);
				return Ok(deletedRepoCompany);
			}
			catch (WebException we)
			{
				return StatusCode(StatusCodes.Status500InternalServerError, we.Message);
			}
			catch (NotFoundException nfe)
			{
				return NotFound(nfe.Message);
			}
			catch (Exception ex)
			{
				Log.Error(ex, $"Failure in {GetType().Name} at {GetInvokerAsyncMethodName()}");
				return StatusCode(StatusCodes.Status500InternalServerError, "Failed to remove auction from AutoIMS.");
			}
		}
	}
}