using System.ComponentModel.DataAnnotations;
using Connected.Annotations;
using Connected.Common.Documents;
using Connected.Contacts.Types;
using Connected.Data;
using Connected.Logistics.Types.Warehouses;
using Connected.Security.Identity;
using Connected.Validation;

namespace Connected.Logistics.Documents.Receive;

[Priority(0)]
internal sealed class InsertReceiveDocumentValidator : InsertDocumentValidator<InsertReceiveDocumentArgs>
{
	public InsertReceiveDocumentValidator(IUserService users, IBusinessPartnerService businessPartners, IWarehouseService warehouses) : base(users)
	{
		BusinessPartners = businessPartners;
		Warehouses = warehouses;
	}

	private IBusinessPartnerService BusinessPartners { get; }
	private IWarehouseService Warehouses { get; }

	protected override async Task OnValidating()
	{
		await ValidateSupplier();
		await ValidateWarehouse();
	}

	private async Task ValidateSupplier()
	{
		/*
		 * If supplier is not set there is no need for a validation.
		 */
		if (Arguments.Supplier is null)
			return;
		/*
		 * Check is business partner exists.
		 */
		if (await BusinessPartners.Select((int)Arguments.Supplier) is not IBusinessPartner supplier)
			throw ValidationExceptions.NotFound(nameof(Arguments.Supplier), Arguments.Supplier);
		/*
		 * Check if business partner has Supplier role which means it's actually a supplier.
		 */
		if (!supplier.Roles.HasFlag(CustomerRoles.Supplier))
			throw new ValidationException($"{SR.ValPartnerNotSupplier} ({Arguments.Supplier})");
	}

	private async Task ValidateWarehouse()
	{
		if (Arguments.Warehouse is null)
			return;
		/*
		 * Check is warehouse exists.
		 */
		if (await Warehouses.Select(Arguments.Warehouse) is not IWarehouse warehouse)
			throw ValidationExceptions.NotFound(nameof(Arguments.Warehouse), Arguments.Warehouse);
		/*
		 * Only Enabled warehouses can be used.
		 */
		if (warehouse.Status == Status.Disabled)
			throw ValidationExceptions.Disabled(nameof(Arguments.Warehouse));
	}
}