using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using AsbCloudApp.Data;
using AsbCloudApp.Data.ProcessMaps;
using AsbCloudApp.Repositories;
using AsbCloudApp.Services;
using AsbCloudApp.Services.ProcessMaps;

namespace AsbCloudInfrastructure.Services.ProcessMaps;

public class ProcessMapPlanService<T> : IProcessMapPlanService<T>
	where T : ProcessMapPlanBaseDto
{
	private readonly ICrudRepository<WellSectionTypeDto> wellSectionTypeRepository;
	private readonly IProcessMapPlanRepository<T> processMapPlanRepository;
	private readonly IRepositoryWellRelated<WellSectionPlanDto> wellSectionPlanRepository;

	public ProcessMapPlanService(ICrudRepository<WellSectionTypeDto> wellSectionTypeRepository,
		IProcessMapPlanRepository<T> processMapPlanRepository,
		IRepositoryWellRelated<WellSectionPlanDto> wellSectionPlanRepository)
	{
		this.wellSectionTypeRepository = wellSectionTypeRepository;
		this.processMapPlanRepository = processMapPlanRepository;
		this.wellSectionPlanRepository = wellSectionPlanRepository;
	}

	public async Task<IEnumerable<ValidationResultDto<T>>> GetAsync(int idWell, CancellationToken cancellationToken)
	{
		var wellSectionTypes = await wellSectionTypeRepository.GetAllAsync(cancellationToken);

		var processMapsPlan = await processMapPlanRepository.GetByIdWellAsync(idWell, cancellationToken);

		var wellSectionsPlan = await wellSectionPlanRepository.GetByIdWellAsync(idWell, cancellationToken);

		return processMapsPlan.Select(processMapPlan =>
		{
			var wellSectionPlan = wellSectionsPlan.FirstOrDefault(s => s.IdSectionType == processMapPlan.IdWellSectionType);

			var isValid = wellSectionPlan is not null && wellSectionPlan.DepthStart <= processMapPlan.DepthStart &&
						wellSectionPlan.DepthEnd >= processMapPlan.DepthEnd;

			var validationResult = new ValidationResultDto<T>
			{
				Item = processMapPlan
			};

			if (isValid)
				return validationResult;

			var wellSectionType = wellSectionTypes.FirstOrDefault(s => s.Id == processMapPlan.IdWellSectionType);

			validationResult.Warnings = new ValidationResult[]
			{
				new($"Конструкция секции: {wellSectionType?.Caption}; " +
					$"Интервал бурения от {processMapPlan.DepthStart} до {processMapPlan.DepthEnd} не совпадает с данными указанными на странице " +
					$"Конструкция скважины / План", new[] { nameof(processMapPlan.DepthStart), nameof(processMapPlan.DepthEnd) })
			};

			return validationResult;
		});
	}
}