using System;
using AutoMapper;
using gehGassi.Common.Data;
using gehGassi.Permissions;
using gehGassi.Web.Auth;
using gehGassi.Web.Auth.Attributes;
using gehGassi.Web.Helper;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Localization;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using gehGassi.Core.Interfaces;
using gehGassi.Domain.Common;
using gehGassi.Web.Models;
using gehGassi.Core.Services;

namespace gehGassi.Web.Controllers
{
    /// <summary>
    /// Controller für die Verwaltung von Transaktionsgebühren
    /// </summary>
    [Authorize]
    public class TransactionFeeController : BaseController
    {
        private readonly IMapper _mapper;
        private readonly IStringLocalizer<TransactionFeeController> _localizer;
        private readonly ITransactionFeeService _transactionFeeService;

        /// <summary>
        /// Erstellt eine Instanz
        /// </summary>
        /// <param name="mapper">Instanz eines IMapper</param>
        /// <param name="localizer">Instanz eines IStringLocalizer</param>
        /// <param name="transactionFeeService">Instanz eines ITransactionFeeService</param>
        public TransactionFeeController(IMapper mapper, IStringLocalizer<TransactionFeeController> localizer, ITransactionFeeService transactionFeeService)
        {
            _mapper = mapper;
            _localizer = localizer;
            _transactionFeeService = transactionFeeService;
        }

        #region MangoPay Transaktionsgebühren

        /// <summary>
        /// Gibt einen View für die Verwaltung von Transaktionsgebühren zurück
        /// </summary>
        /// <returns>View</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        public IActionResult Index()
        {
            return View();
        }

        /// <summary>
        /// Gibt eine Liste von Entitäten basierend auf Abfragekriterien zurück
        /// </summary>
        /// <param name="dm">Abfragekriterien</param>
        /// <returns>Liste von gefundenen Entitäten</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        [HttpPost]
        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
        public IActionResult GetList([FromBody] DataManager dm)
        {
            if (dm != null)
            {
                var propList = new List<ComplexProperty>();
                dm.SetComplexProperties(propList);
            }

            var resultList = _transactionFeeService.Filter(dm?.SearchValue ?? "");

            //Sortierung
            resultList = dm.ApplySorting(resultList);
            //Filter
            resultList = dm.ApplyFiltering(resultList, out var countFiltered);
            //Paging
            resultList = dm.ApplyPaging(resultList);

            var resultListVm = resultList.ToList().Select(item => _mapper.Map<TransactionFeeListVm>(item)).ToList();

            foreach (var itemVm in resultListVm)
            {
                itemVm.PayInTypeText = itemVm.PayInType.GetDisplayName(AnnotationsLocalizer);
            }

            //FilterPreview?
            if (!dm.RequiresCounts)
                return Json(resultListVm);

            return Json(new { result = resultListVm, count = countFiltered });
        }

        /// <summary>
        /// Anlegen einer Transaktionsgebühr
        /// </summary>
        /// <returns>PartialView</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
        public IActionResult Create()
        {
            var model = new TransactionFeeVm()
            {
                Id = Guid.NewGuid().ToString("N"),
                PayInType = PayInTypeVm.CB_VISA_MASTERCARD,
                Percent = 0,
                Fixed = 0
            };

            return PartialView("_Create", model);
        }

        /// <summary>
        /// Anlegen einer Transaktionsgebühr
        /// </summary>
        /// <param name="model">Model</param>
        /// <returns>Json</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        [ValidateAntiForgeryToken]
        [HttpPost]
        public async Task<IActionResult> Create(TransactionFeeVm model)
        {
            var result = new ResponseVm { Success = false };

            if (ModelState.IsValid)
            {
                var exists = await _transactionFeeService.ExistsAsync((PayInType)model.PayInType);
                if (!exists)
                {
                    var item = _transactionFeeService.Create();
                    _mapper.Map(model, item);
                    item.UpdatedAt = DateTimeOffset.UtcNow;

                    _transactionFeeService.Add(item);
                    await _transactionFeeService.CommitAsync(User.Identity.Name);

                    result.Data = item.ToCamelCaseJson();
                    result.Success = true;
                    result.Html = string.Empty;
                    return Json(result);
                }
                else
                {
                    ModelState.AddModelError("", _localizer["Err_TransactionFee_Exists"].Value);
                }
            }

            result.Html = await PartialView("_Create", model).ToStringAsync(ControllerContext);
            return Json(result);
        }

        /// <summary>
        /// Bearbeiten einer Transaktionsgebühr
        /// </summary>
        /// <param name="id">Id der Transaktionsgebühr</param>
        /// <returns>PartialView</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
        public async Task<IActionResult> Edit(string id)
        {
            var item = await _transactionFeeService.GetAsync(id);
            if (item != null)
            {
                var model = _mapper.Map<TransactionFeeVm>(item);

                return PartialView("_Edit", model);
            }
            return PartialView("_Error");
        }

        /// <summary>
        /// Bearbeiten einer Transaktionsgebühr
        /// </summary>
        /// <param name="model">Model</param>
        /// <returns>Json</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        [ValidateAntiForgeryToken]
        [HttpPost]
        public async Task<IActionResult> Edit(TransactionFeeVm model)
        {
            var result = new ResponseVm { Success = false };

            if (ModelState.IsValid)
            {
                var item = await _transactionFeeService.GetAsync(model.Id);
                if (item != null)
                {
                    _mapper.Map(model, item);
                    item.UpdatedAt = DateTimeOffset.UtcNow;

                    await _transactionFeeService.CommitAsync(User.Identity.Name);

                    result.Data = item.ToCamelCaseJson();
                    result.Success = true;
                    result.Html = string.Empty;
                    return Json(new { result.Success, result.Html, result.Data });
                }
            }

            result.Html = await PartialView("_Edit", model).ToStringAsync(ControllerContext);
            return Json(result);
        }

        /// <summary>
        /// Löschen einer Transaktionsgebühr
        /// </summary>
        /// <param name="ids">Liste Id der Entität</param>
        /// <returns>Json</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        [HttpPost]
        public async Task<IActionResult> Delete(List<string> ids)
        {
            var batchErrorHeader = $"<p><strong>{_localizer["Common_BatchDelete_Failed"].Value}</strong></p>";
            var batchResult = new BatchResponseVm(batchErrorHeader) { Success = true };

            foreach (var id in ids)
            {
                var item = await _transactionFeeService.GetAsync(id);
                if (item != null)
                {
                    //await _customerService.ResetTypeAsync(item.Id); //Spezial zurücksetzen wenn nötig
                    var usedCount = 0;

                    if (usedCount == 0)
                    {
                        batchResult.BatchResponseList.Add(new BatchResponseItemVm() { Id = item.Id.ToString(), Name = item.PayInType.ToString(), Success = true, NotFound = false, ErrorMessage = "" });

                        item.Deleted = true;
                        item.UpdatedAt = DateTimeOffset.UtcNow;
                    }
                    else
                    {
                        if (usedCount != 0)
                        {
                            batchResult.Success = false;
                            batchResult.BatchResponseList.Add(new BatchResponseItemVm() { Id = id.ToString(), Name = item.PayInType.ToString(), Success = false, NotFound = false, ErrorMessage = string.Format(_localizer["Common_BatchDelete_InUse"], $"<strong>{item.PayInType.ToString()}</strong>", $"<strong>{usedCount}</strong>") + "<br/>" });
                        }
                    }
                }
                else
                {
                    batchResult.Success = false;
                    batchResult.BatchResponseList.Add(new BatchResponseItemVm() { Id = id.ToString(), Name = "", Success = false, NotFound = true, ErrorMessage = string.Format(_localizer["Common_BatchDelete_NotFound"], $"<strong>{id}</strong>") + "<br/>" });
                }
            }
            if (batchResult.BatchResponseList.Any(c => c.Success))
                await _transactionFeeService.CommitAsync(User.Identity.Name);
            return Json(batchResult);
        }

        #endregion

        #region GehGassi-Gebühren

        /// <summary>
        /// Gibt einen View für die Verwaltung von GehGassi-Gebühren zurück
        /// </summary>
        /// <returns>View</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        public IActionResult IndexGehGassi()
        {
            return View();
        }

        /// <summary>
        /// Gibt eine Liste von Entitäten basierend auf Abfragekriterien zurück
        /// </summary>
        /// <param name="dm">Abfragekriterien</param>
        /// <returns>Liste von gefundenen Entitäten</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        [HttpPost]
        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
        public IActionResult GetListGehGassi([FromBody] DataManager dm)
        {
            if (dm != null)
            {
                var propList = new List<ComplexProperty>();
                dm.SetComplexProperties(propList);
            }

            var resultList = _transactionFeeService.FilterGehGassiFees(dm?.SearchValue ?? "");

            //Sortierung
            resultList = dm.ApplySorting(resultList);
            //Filter
            resultList = dm.ApplyFiltering(resultList, out var countFiltered);
            //Paging
            resultList = dm.ApplyPaging(resultList);

            var resultListVm = resultList.ToList().Select(item => _mapper.Map<GehGassiFeeVm>(item)).ToList();

            //FilterPreview?
            if (!dm.RequiresCounts)
                return Json(resultListVm);

            return Json(new { result = resultListVm, count = countFiltered });
        }

        /// <summary>
        /// Anlegen einer GehGassi-Gebühr
        /// </summary>
        /// <returns>PartialView</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
        public IActionResult CreateGehGassi()
        {
            var model = new GehGassiFeeVm()
            {
                Id = Guid.NewGuid().ToString("N"),
                Percent = 0,
                Fixed = 0,
                StartAmmount = 0
            };

            return PartialView("_CreateGehGassi", model);
        }

        /// <summary>
        /// Anlegen einer GehGassi-Gebühr
        /// </summary>
        /// <param name="model">Model</param>
        /// <returns>Json</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        [ValidateAntiForgeryToken]
        [HttpPost]
        public async Task<IActionResult> CreateGehGassi(GehGassiFeeVm model)
        {
            var result = new ResponseVm { Success = false };

            if (ModelState.IsValid)
            {
                var exists = await _transactionFeeService.ExistsGehGassiFeeAsync(model.StartAmmount, model.Id);
                if (!exists)
                {
                    var item = _transactionFeeService.CreateGehGassiFee();
                    _mapper.Map(model, item);
                    item.UpdatedAt = DateTimeOffset.UtcNow;

                    _transactionFeeService.AddGehGassiFee(item);
                    await _transactionFeeService.CommitAsync(User.Identity.Name);

                    result.Data = item.ToCamelCaseJson();
                    result.Success = true;
                    result.Html = string.Empty;
                    return Json(result);
                }
                else
                {
                    ModelState.AddModelError("", _localizer["Err_GehGassiFee_Exists"].Value);
                }
            }

            result.Html = await PartialView("_CreateGehGassi", model).ToStringAsync(ControllerContext);
            return Json(result);
        }

        /// <summary>
        /// Bearbeiten einer GehGassi-Gebühr
        /// </summary>
        /// <param name="id">Id der GehGassi-Gebühr</param>
        /// <returns>PartialView</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
        public async Task<IActionResult> EditGehGassi(string id)
        {
            var item = await _transactionFeeService.GetGehGassiFeeAsync(id);
            if (item != null)
            {
                var model = _mapper.Map<GehGassiFeeVm>(item);

                return PartialView("_EditGehGassi", model);
            }
            return PartialView("_Error");
        }

        /// <summary>
        /// Bearbeiten einer GehGassi-Gebühr
        /// </summary>
        /// <param name="model">Model</param>
        /// <returns>Json</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        [ValidateAntiForgeryToken]
        [HttpPost]
        public async Task<IActionResult> EditGehGassi(GehGassiFeeVm model)
        {
            var result = new ResponseVm { Success = false };

            if (ModelState.IsValid)
            {
                var exists = await _transactionFeeService.ExistsGehGassiFeeAsync(model.StartAmmount, model.Id);
                if (!exists)
                {
                    var item = await _transactionFeeService.GetGehGassiFeeAsync(model.Id);
                    if (item != null)
                    {
                        _mapper.Map(model, item);
                        item.UpdatedAt = DateTimeOffset.UtcNow;

                        await _transactionFeeService.CommitAsync(User.Identity.Name);

                        result.Data = item.ToCamelCaseJson();
                        result.Success = true;
                        result.Html = string.Empty;
                        return Json(new { result.Success, result.Html, result.Data });
                    }
                }
                else
                {
                    ModelState.AddModelError("", _localizer["Err_GehGassiFee_Exists"].Value);
                }
            }

            result.Html = await PartialView("_EditGehGassi", model).ToStringAsync(ControllerContext);
            return Json(result);
        }

        /// <summary>
        /// Löschen einer GehGassi-Gebühr
        /// </summary>
        /// <param name="ids">Liste Id der Entität</param>
        /// <returns>Json</returns>
        [Authorize(Policy = Policies.PowerUserOnly)]
        [HasPermission(Permission.SettingsManage, Permission.SettingsTransactionFees)]
        [HttpPost]
        public async Task<IActionResult> DeleteGehGassi(List<string> ids)
        {
            var batchErrorHeader = $"<p><strong>{_localizer["Common_BatchDelete_Failed"].Value}</strong></p>";
            var batchResult = new BatchResponseVm(batchErrorHeader) { Success = true };

            foreach (var id in ids)
            {
                var item = await _transactionFeeService.GetGehGassiFeeAsync(id);
                if (item != null)
                {
                    //await _customerService.ResetTypeAsync(item.Id); //Spezial zurücksetzen wenn nötig
                    var usedCount = 0;

                    if (usedCount == 0)
                    {
                        batchResult.BatchResponseList.Add(new BatchResponseItemVm() { Id = item.Id.ToString(), Name = item.StartAmmount.ToString(), Success = true, NotFound = false, ErrorMessage = "" });

                        item.Deleted = true;
                        item.UpdatedAt = DateTimeOffset.UtcNow;
                    }
                    else
                    {
                        if (usedCount != 0)
                        {
                            batchResult.Success = false;
                            batchResult.BatchResponseList.Add(new BatchResponseItemVm() { Id = id.ToString(), Name = item.StartAmmount.ToString(), Success = false, NotFound = false, ErrorMessage = string.Format(_localizer["Common_BatchDelete_InUse"], $"<strong>{item.StartAmmount.ToString()}</strong>", $"<strong>{usedCount}</strong>") + "<br/>" });
                        }
                    }
                }
                else
                {
                    batchResult.Success = false;
                    batchResult.BatchResponseList.Add(new BatchResponseItemVm() { Id = id.ToString(), Name = "", Success = false, NotFound = true, ErrorMessage = string.Format(_localizer["Common_BatchDelete_NotFound"], $"<strong>{id}</strong>") + "<br/>" });
                }
            }
            if (batchResult.BatchResponseList.Any(c => c.Success))
                await _transactionFeeService.CommitAsync(User.Identity.Name);
            return Json(batchResult);
        }

        #endregion
    }
}