using System;
using System.Collections.Generic;
using Zentral.Domain.Entities.Purchases;

namespace Zentral.API.Apps.Purchases.Dtos;

public class PurchaseOrderDto
{
    public int Id { get; set; }
    public string OrderNumber { get; set; } = string.Empty;
    public DateTime OrderDate { get; set; }
    public DateTime? ExpectedDeliveryDate { get; set; }
    public int SupplierId { get; set; }
    public string SupplierName { get; set; } = string.Empty;
    public PurchaseOrderStatus Status { get; set; }
    public int? DestinationWarehouseId { get; set; }
    public string? DestinationWarehouseName { get; set; }
    public string? Notes { get; set; }
    public decimal TotalNet { get; set; }
    public decimal TotalTax { get; set; }
    public decimal TotalGross { get; set; }
    public DateTime? CreatedAt { get; set; }
    public DateTime? UpdatedAt { get; set; }
    public List<PurchaseOrderLineDto> Lines { get; set; } = new();
}

public class PurchaseOrderLineDto
{
    public int Id { get; set; }
    public int PurchaseOrderId { get; set; }
    public int WarehouseArticleId { get; set; }
    public string ArticleCode { get; set; } = string.Empty;
    public string ArticleDescription { get; set; } = string.Empty;
    public string Description { get; set; } = string.Empty;
    public decimal Quantity { get; set; }
    public decimal ReceivedQuantity { get; set; }
    public decimal UnitPrice { get; set; }
    public decimal TaxRate { get; set; }
    public decimal DiscountPercent { get; set; }
    public decimal LineTotal { get; set; }
}

public class CreatePurchaseOrderDto
{
    public DateTime OrderDate { get; set; } = DateTime.Now;
    public DateTime? ExpectedDeliveryDate { get; set; }
    public int SupplierId { get; set; }
    public int? DestinationWarehouseId { get; set; }
    public string? Notes { get; set; }
    public List<CreatePurchaseOrderLineDto> Lines { get; set; } = new();
}

public class CreatePurchaseOrderLineDto
{
    public int WarehouseArticleId { get; set; }
    public string? Description { get; set; } // Optional override
    public decimal Quantity { get; set; }
    public decimal UnitPrice { get; set; }
    public decimal TaxRate { get; set; }
    public decimal DiscountPercent { get; set; }
}

public class UpdatePurchaseOrderDto
{
    public DateTime OrderDate { get; set; }
    public DateTime? ExpectedDeliveryDate { get; set; }
    public int? DestinationWarehouseId { get; set; }
    public string? Notes { get; set; }
    public List<UpdatePurchaseOrderLineDto> Lines { get; set; } = new();
}

public class UpdatePurchaseOrderLineDto
{
    public int? Id { get; set; } // Null if new line
    public int WarehouseArticleId { get; set; }
    public string? Description { get; set; }
    public decimal Quantity { get; set; }
    public decimal UnitPrice { get; set; }
    public decimal TaxRate { get; set; }
    public decimal DiscountPercent { get; set; }
    public bool IsDeleted { get; set; } // To mark for deletion
}