using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using gehGassi.Klarna.Checkout;
using Newtonsoft.Json;

namespace gehGassi.Klarna.OrderManagement
{
    public class OrderLine
    {
        /// <summary>
        /// Article number, SKU or similar.
        /// </summary>
        /// <value>Article number, SKU or similar.</value>
        [StringLength(255, MinimumLength = 0)]
        [JsonProperty("reference")]
        public string Reference { get; set; }

        /// <summary>
        /// Order line type. Matches: physical|discount|shipping_fee|sales_tax|store_credit|gift_card|digital|surcharge|return_fee
        /// </summary>
        /// <value>Order line type. Matches: physical|discount|shipping_fee|sales_tax|store_credit|gift_card|digital|surcharge|return_fee</value>
        [RegularExpression("/physical|discount|shipping_fee|sales_tax|store_credit|gift_card|digital|surcharge|return_fee/")]
        [JsonProperty("type")]
        public string Type { get; set; }

        /// <summary>
        /// Item quantity. Non-negative.
        /// </summary>
        /// <value>Item quantity. Non-negative.</value>
        [Required]
        [JsonProperty("quantity")]
        public long? Quantity { get; set; }

        /// <summary>
        /// Unit used to describe the quantity. Maximum 10 characters.
        /// </summary>
        /// <value>Unit used to describe the quantity. Maximum 10 characters.</value>
        [StringLength(10, MinimumLength = 0)]
        [JsonProperty("quantity_unit")]
        public string QuantityUnit { get; set; }

        /// <summary>
        /// Descriptive item name. Maximum 255 characters.
        /// </summary>
        /// <value>Descriptive item name. Maximum 255 characters.</value>
        [Required]
        [StringLength(255, MinimumLength = 0)]
        [JsonProperty("name")]
        public string Name { get; set; }

        /// <summary>
        /// Total amount including tax and discounts (&#x60;quantity * unit_price - total_discount_amount&#x60;).
        /// </summary>
        /// <value>Total amount including tax and discounts (&#x60;quantity * unit_price - total_discount_amount&#x60;).</value>
        [Required]
        [JsonProperty("total_amount")]
        public long? TotalAmount { get; set; }

        /// <summary>
        /// Unit price including tax without applying discounts in minor units.
        /// </summary>
        /// <value>Unit price including tax without applying discounts in minor units.</value>
        [Required]
        [JsonProperty("unit_price")]
        public long? UnitPrice { get; set; }

        /// <summary>
        /// The discount amount in minor units. Includes tax. Example: 1200 &#x3D; $12. Max value: 100000000
        /// </summary>
        /// <value>The discount amount in minor units. Includes tax. Example: 1200 &#x3D; $12. Max value: 100000000</value>
        [Range(0, 100000000)]
        [JsonProperty("total_discount_amount")]
        public long? TotalDiscountAmount { get; set; }

        /// <summary>
        /// The tax rate in percent with two implicit decimals. Non-negative. Example: 2500 &#x3D; 25%.
        /// </summary>
        /// <value>The tax rate in percent with two implicit decimals. Non-negative. Example: 2500 &#x3D; 25%.</value>
        [JsonProperty("tax_rate")]
        public int? TaxRate { get; set; }

        /// <summary>
        /// The total tax amount in minor units. Negative if the order line type is discount. Example: 500 &#x3D; $5.
        /// </summary>
        /// <value>The total tax amount in minor units. Negative if the order line type is discount. Example: 500 &#x3D; $5.</value>
        [JsonProperty("total_tax_amount")]
        public long? TotalTaxAmount { get; set; }

        /// <summary>
        /// Data about the order line. Set at creation or update and returned when fetching the order through the API. Maximum 1024 characters.
        /// </summary>
        /// <value>Data about the order line. Set at creation or update and returned when fetching the order through the API. Maximum 1024 characters.</value>
        [StringLength(1024, MinimumLength = 0)]
        [JsonProperty("merchant_data")]
        public string MerchantData { get; set; }

        /// <summary>
        /// URL to the product that can be used in communications between Klarna and the customer. Maximum 1024 characters.
        /// </summary>
        /// <value>URL to the product that can be used in communications between Klarna and the customer. Maximum 1024 characters.</value>
        [StringLength(1024, MinimumLength = 0)]
        [JsonProperty("product_url")]
        public string ProductUrl { get; set; }

        /// <summary>
        /// URL to an image that can be embedded in communications between Klarna and the customer. Maximum 1024 characters.
        /// </summary>
        /// <value>URL to an image that can be embedded in communications between Klarna and the customer. Maximum 1024 characters.</value>
        [StringLength(1024, MinimumLength = 0)]
        [JsonProperty("image_url")]
        public string ImageUrl { get; set; }

        /// <summary>
        /// Identifiers to better describe the product for improved risk assessment, support, presentation to consumers and promotional functionality.
        /// </summary>
        /// <value>Identifiers to better describe the product for improved risk assessment, support, presentation to consumers and promotional functionality.</value>
        [JsonProperty("product_identifiers")]
        public ProductIdentifiers ProductIdentifiers { get; set; }
    }
}