using AutoMapper;
using FluentValidation;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using PARR.API.Contracts.V1;
using PARR.API.Contracts.V1.Requests;
using PARR.API.Contracts.V1.Requests.Queries;
using PARR.API.Contracts.V1.Responses;
using PARR.API.Contracts.V1.Responses.Base;
using PARR.API.Controllers.V1.Base;
using PARR.API.Extensions;
using PARR.API.Services.Interfaces;
using PARR.Constants;
using PARR.DAL.DomainModels;
using PARR.DAL.Models;
using PARR.DAL.Services.Interfaces;

namespace PARR.API.Controllers.V1
{
    /// <summary>
    /// ApplicationInWork
    /// </summary>
    [Authorize(Roles = ParrRoles.Administrator.Role)]
    public class ApplicationInWorkController : BaseApiController
    {
        private readonly ILogger<ApplicationInWorkController> logger;
        private readonly IMapper mapper;
        private readonly IApplicationsInWorkService applicationsInWorkService;
        private readonly IValidator<ApplicationInWorkRequest> validator;
        private readonly IUriService uriService;

        public ApplicationInWorkController(
            ILogger<ApplicationInWorkController> logger,
            IMapper mapper,
            IApplicationsInWorkService applicationsInWorkService,
            IValidator<ApplicationInWorkRequest> validator,
            IUriService uriService
            )
        {
            this.logger = logger;
            this.mapper = mapper;
            this.applicationsInWorkService = applicationsInWorkService;
            this.validator = validator;
            this.uriService = uriService;
        }


        /// <summary>
        /// Создать задание на выполнение работ(ApplicationInWork)
        /// </summary>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPost(ApiRoutes.Job.Create)]
        public async Task<IActionResult> Create([FromBody] ApplicationInWorkRequest request)
        {
            var resultValidate = await validator.ValidateAsync(request);

            if (!resultValidate.IsValid)
                return BadRequest(new Response(resultValidate.Errors));

            var existSameAiW = await applicationsInWorkService.GetAsync(request.ApplicationId, request.WorkId);

            if (existSameAiW != null)
                return BadRequest(new Response(false, new List<ErrorModel> {
                    new ErrorModel { Message = $"Уже существует задание на выполнение работ для программного обеспечения id(\"{request.ApplicationId}\") и работой id({request.WorkId})." } }
                ));

            var applicationInWork = new ApplicationsInWork
            {
                Id = Guid.NewGuid(),
                WorkId = request.WorkId,
                ApplicationId = request.ApplicationId,
                TemplateDuration = request.TemplateDuration,
                ShortDescription = request.ShortDescription,
                FullDescription = request.FullDescription,
                Solution = request.Solution,
                NextRun = request.NextRun,
                IsAgent = request.IsAgent,
                AgentName = request.AgentName,
                AgentTimeOutSec = request.AgentTimeOutSec,
                AgentScript = request.AgentScript
            };

            //TODO Schedule

            if (!await applicationsInWorkService.CreateAsync(applicationInWork) || !await applicationsInWorkService.CommitAsync())
                return BadRequest(new Response(false, new List<ErrorModel> { new ErrorModel { Message = "Ошибка при записи нового задания на выполнение работ в базу данных" } }));

            logger.LogInformation($"Пользователь {User.Identity?.Name} добавил задание на выполнение работ: {applicationInWork.ShortDescription}, {applicationInWork.Solution}, {applicationInWork.NextRun}");

            var locationUri = uriService.GetUri(ApiRoutes.Job.Get, ApiRoutes.Job.getParam, applicationInWork.Id);

            return Created(locationUri, new Response<ApplicationInWorkResponse>(mapper.Map<ApplicationInWorkResponse>(applicationInWork), true));
        }


        /// <summary>
        /// Получить список заданий на выполнение работ(ApplicationInWork) постранично
        /// </summary>
        /// <returns></returns>
        [HttpGet(ApiRoutes.Job.GetAll)]
        public async Task<IActionResult> GetAll([FromQuery] PaginationQuery paginationQuery, [FromQuery] ApplicationInWorkQuery filter)
        {
            var paginationFilter = mapper.Map<PaginationFilter>(paginationQuery);

            IQueryable<ApplicationsInWork> query = applicationsInWorkService.Get()
                .Include(t => t.Application)
                .Include(t => t.Work)
                .OrderBy(t => t.ShortDescription);

            if (!string.IsNullOrEmpty(filter.ShortDescription))
                query = query.Where(t => t.ShortDescription.ToLower().Contains(filter.ShortDescription.ToLower()));

            var appInWorks = await applicationsInWorkService.GetPage(query, paginationFilter).ToListAsync();

            if (!appInWorks.Any())
                return NoContent();

            var response = mapper.Map<List<ApplicationInWorkResponse>>(appInWorks);
            var paginationResponse = new PagedResponse<ApplicationInWorkResponse>(response, true).GetPaginatedProps(paginationFilter, query);

            return Ok(paginationResponse);
        }


        /// <summary>
        /// Получить задание на выполнение работ по id
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        [HttpGet(ApiRoutes.Job.Get)]
        public async Task<IActionResult> GetById([FromRoute] Guid id)
        {
            var applicationInWork = await applicationsInWorkService.Get()
                    .Include(t => t.Application)
                    .Include(t => t.Work)
                    .FirstOrDefaultAsync(t => t.Id == id);

            if (applicationInWork == null)
                return NotFound();

            var response = mapper.Map<ApplicationInWorkResponse>(applicationInWork);

            return Ok(new Response<ApplicationInWorkResponse>(response, true));
        }

        /// <summary>
        /// Обновить задание на выполнение работ
        /// </summary>
        /// <param name="id"></param>
        /// <param name="request"></param>
        /// <returns></returns>
        [HttpPut(ApiRoutes.Job.Update)]
        public async Task<IActionResult> Update([FromRoute] Guid id, [FromBody] ApplicationInWorkRequest request)
        {
            var resultValidate = await validator.ValidateAsync(request);
            if (!resultValidate.IsValid)
                return BadRequest(new Response(resultValidate.Errors));

            var orig = await applicationsInWorkService.GetAsync(id);

            if (orig == null)
                return BadRequest(new Response(false, new List<ErrorModel> { new ErrorModel { Message = $"Ошибка при изменении задания на выполнение работ. Не найдено задание на выполнение работ Id: {id}" } }));

            orig.WorkId = request.WorkId;
            orig.ApplicationId = request.ApplicationId;
            orig.TemplateDuration = request.TemplateDuration;
            orig.ShortDescription = request.ShortDescription;
            orig.FullDescription = request.FullDescription;
            orig.Solution = request.Solution;
            orig.NextRun = request.NextRun;
            orig.IsAgent = request.IsAgent;
            orig.AgentName = request.AgentName;
            orig.AgentTimeOutSec = request.AgentTimeOutSec;
            orig.AgentScript = request.AgentScript;

            if (!await applicationsInWorkService.CommitAsync())
                return BadRequest(new Response(false, new List<ErrorModel> { new ErrorModel { Message = "Ошибка записи в базу данных изменений задания на выполнение работ." } }));

            logger.LogInformation($"Пользователь {User.Identity?.Name} обновил задание на выполнение работ: {orig.Id}," +
                $" {orig.WorkId}, {orig.ApplicationId}, {orig.TemplateDuration}, {orig.ShortDescription}," +
                $" {orig.FullDescription}, {orig.Solution}, {orig.NextRun}, {orig.IsAgent}, {orig.AgentName}, {orig.AgentTimeOutSec}, {orig.AgentScript}");

            return Ok(new Response<ApplicationInWorkResponse>(mapper.Map<ApplicationInWorkResponse>(orig), true));

        }


        /// <summary>
        /// Удалить задание на выполнение работ
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        //[HttpDelete(ApiRoutes.Job.Delete)]
        //public async Task<IActionResult> Delete([FromRoute] Guid id)
        //{
        //    var applicationsInWork = await applicationsInWorkService.GetAsync(id);

        //    if (applicationsInWork == null)
        //        return BadRequest(new Response(false, new List<ErrorModel> { new ErrorModel { 
        //            Message = $"Ошибка при удалении задания на выполнение работ. Не найдено задание на выполнение работ Id: {id}" 
        //        } }));

        //    if (!applicationsInWorkService.Delete(applicationsInWork) || !await applicationsInWorkService.CommitAsync())
        //        return BadRequest(new Response(false, new List<ErrorModel> { new ErrorModel { 
        //            Message = $"Ошибка при удалении задания на выполнение работ из базы данных" 
        //        } }));

        //    logger.LogInformation($"Пользователь {User.Identity?.Name} удалил задание на выполнение работ: {applicationsInWork.Id},{applicationsInWork.WorkId}," +
        //        $" {applicationsInWork.ApplicationId}, {applicationsInWork.TemplateDuration}, {applicationsInWork.ShortDescription}," +
        //        $" {applicationsInWork.FullDescription}, {applicationsInWork.Solution}, {applicationsInWork.NextRun}, {applicationsInWork.IsAgent}," +
        //        $" {applicationsInWork.AgentName}, {applicationsInWork.AgentTimeOutSec}, {applicationsInWork.AgentScript}");

        //    return NoContent();
        //}
    }
}