using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using AsbCloudApp.Data;
using AsbCloudApp.Data.ProcessMaps;
using AsbCloudApp.Data.WellSections;
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 planProcessMaps = await processMapPlanRepository.GetByIdWellAsync(idWell, cancellationToken);

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

		return planProcessMaps.Select(processMapPlan =>
		{
			var planWellSection = planWellSections.SingleOrDefault(s => s.IdSectionType == processMapPlan.IdWellSectionType);

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

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

			if (isValid) 
				return validationResult;
			
			var wellSectionType = wellSectionTypes.SingleOrDefault(s => s.Id == processMapPlan.IdWellSectionType);
			
			validationResult.Warnings = new[]
			{
				$"Конструкция секции: {wellSectionType?.Caption}; Интервал бурения от {processMapPlan.DepthStart} до {processMapPlan.DepthEnd} не совпадает с данными указанными на странице Конструкция скважины / План"
			};
			
			return validationResult;
		});
	}
}