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

namespace PARR.API.Controllers.V1
{
    public class TemplateRobotStatusController : BaseApiController
    {
        private readonly IMapper mapper;
        private readonly ITemplateService templateService;
        private readonly IValidator<TemplateRobotStatusRequest> validator;

        public TemplateRobotStatusController(
            IMapper mapper,
            ITemplateService templateService,
            IValidator<TemplateRobotStatusRequest> validator
            )
        {
            this.mapper = mapper;
            this.templateService = templateService;
            this.validator = validator;
        }


        /// <summary>
        /// Получить статус робота по Id шаблона
        /// </summary>
        /// <param name="templateId"></param>
        /// <returns></returns>
        [HttpGet(ApiRoutes.TemplateRobotStatus.Get)]
        public async Task<IActionResult> Get([FromRoute] Guid templateId)
        {
            var template = await templateService.Get()
                                .Include(t => t.RobotStatus)
                                .FirstOrDefaultAsync(t => t.Id == templateId);

            if (template == null)
                return BadRequest(new Response(false, new List<ErrorModel> { new ErrorModel { Message = $"Не найден шаблон с id: {templateId}" } }));

            var response = mapper.Map<TemplateRobotStatusResponse>(template);

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


        /// <summary>
        /// Обновить статус робота по Id шаблона
        /// </summary>
        /// <param name="templateId"></param>
        /// <returns></returns>
        [HttpPut(ApiRoutes.TemplateRobotStatus.Update)]
        public async Task<IActionResult> UpdateStatus([FromRoute] Guid templateId, [FromBody] TemplateRobotStatusRequest request)
        {
            var resultValidate = await validator.ValidateAsync(request);
            if (!resultValidate.IsValid)
                return BadRequest(new Response(resultValidate.Errors));

            var template = await templateService.Get()
                                .FirstOrDefaultAsync(t => t.Id == templateId);

            if (template == null)
                return BadRequest(new Response(false, new List<ErrorModel> { new ErrorModel { Message = $"Не найден шаблон с id: {templateId}" } }));

            var enumStatus = (RobotStatusEnum)request.Code;

            // изменение статуса
            templateService.ChangeRobotStatus(enumStatus, ref template);

            if (!await templateService.CommitAsync())
                return BadRequest(new Response(false, new List<ErrorModel> { new ErrorModel { Message = $"Ошибка при изменении статуса шаблону {templateId}" } }));

            var templateToResponse = await templateService.Get()
                               .Include(t => t.RobotStatus)
                               .FirstOrDefaultAsync(t => t.Id == templateId);

            var response = mapper.Map<TemplateRobotStatusResponse>(templateToResponse);

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

    }
}