using System;
using System.Collections.Generic;
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.Services;
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 CollateralController : RepoControllerBase
    {
        private readonly ICollateralService _collateralService;

        public CollateralController(
            ICollateralService collateralService,
            IHttpContextAccessor httpContextAccessor) :
            base(httpContextAccessor)
        {
            _collateralService = collateralService;
        }

        // GET: api/Collateral
        [HttpGet]
        [ProducesResponseType(typeof(IEnumerable<Collateral>), 200)]
        [ProducesResponseType(500)]
        public async Task<IActionResult> Get()
        {
            try
            {
                var results = await _collateralService.ListAll();
                return Ok(results);
            }
            catch (Exception ex)
            {
                Log.Error(ex, $"Failure in {GetType().Name} at {GetInvokerAsyncMethodName()}");
                return StatusCode(StatusCodes.Status500InternalServerError);
            }
        }

        // GET: api/Collateral/5
        [HttpGet("{id}", Name = "GetCollateralById")]
        [ProducesResponseType(typeof(Collateral), 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 _collateralService.Get(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);
            }
        }

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

                var result = await _collateralService.SaveAsync(collateral);
                return Ok(result);
            }
            catch (Exception ex)
            {
                Log.Error(ex, $"Failure in {GetType().Name} at {GetInvokerAsyncMethodName()}");
                return StatusCode(StatusCodes.Status500InternalServerError);
            }
        }

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

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

                var result = await _collateralService.UpdateAsync(collateral);
                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);
            }
        }
    }
}