using System.Collections.Generic;
using HK;

namespace Runtime
{
    public class ShoppingCart
    {
        public string time = ""; // 下单时间
        private string _userName = string.Empty;
        private string _userModie = string.Empty;
        private string _userEmail = string.Empty;
        private string _orderID = string.Empty;
        private bool _isAgreeSubscribe = false;
        private Dictionary<string, ShoppingCartData> _datas = new Dictionary<string, ShoppingCartData>();
        private string _totalQuantity = "0";
        private string _itemsSubTotal = "0";
        private string _discount = "0";
        private string _totalAmount = "0";
        private string _monetary = "HKD";

        public string userName
        {
            get => _userName;
            set => _userName = value;
        }

        public string userModie
        {
            get => _userModie;
            set => _userModie = value;
        }

        public string userEmail
        {
            get => _userEmail;
            set => _userEmail = value;
        }

        public string orderID
        {
            get => _orderID;
            set => _orderID = value;
        }

        public bool isAgreeSubscribe
        {
            get => _isAgreeSubscribe;
            set => _isAgreeSubscribe = value;
        }

        public Dictionary<string, ShoppingCartData> datas => _datas;

        public string totalQuantity => _totalQuantity;
        public string itemsSubTotal => _itemsSubTotal;
        public string discount => _discount;
        public string totalAmount => _totalAmount;

        public string monetary
        {
            get => _monetary;
            set
            {
                _monetary = value;
                UpdateDatas();
            }
        }

        public ShoppingCart()
        {
            var value = PlayerPersistent.GetString("monetary");
            if (!string.IsNullOrEmpty(value))
            {
                _monetary = value;
            }

            UpdateDatas();
        }

        public void AddData(ShoppingCartData data)
        {
            if (_datas.TryGetValue(data.onlyOneID, out var da))
            {
                datas[data.onlyOneID] = data;
            }
            else
            {
                datas.Add(data.onlyOneID, data);
            }

            UpdateDatas();
        }

        public void RemoveData(ShoppingCartData data)
        {
            datas.Remove(data.onlyOneID);
            UpdateDatas();
        }

        public void Reset()
        {
            datas.Clear();
            _userName = string.Empty;
            _userModie = string.Empty;
            _userEmail = string.Empty;
            _orderID = string.Empty;
            UpdateDatas();
        }

        public void UpdateDatas()
        {
            _totalQuantity = string.Empty;
            _itemsSubTotal = string.Empty;
            _discount = string.Empty;
            _totalAmount = string.Empty;

            int i = 0, d = 0, t = 0, q = 0;
            foreach (var shoppingCartData in datas.Values)
            {
                q += shoppingCartData.count;
                i += shoppingCartData.bookAmount * shoppingCartData.count;
                d += shoppingCartData.bookDiscount * shoppingCartData.count;
                t += shoppingCartData.bookAmount * shoppingCartData.count;
            }

            _totalQuantity = $"{q}";
            _itemsSubTotal = $"{monetary} {i:F}";
            _discount = $"{monetary} {d:F}";
            _totalAmount = $"{monetary} {t:F}";
        }
    }

    public class ShoppingCartData
    {
        public string onlyOneID;

        public string produceID;

        /// <summary>
        /// name
        /// </summary>
        public string bookName;

        /// <summary>
        /// 价格
        /// </summary>
        public int bookAmount;

        /// <summary>
        /// 优惠
        /// </summary>
        public int bookDiscount;

        /// <summary>
        /// 数量
        /// </summary>
        public int count;

        /// <summary>
        /// 预览图
        /// </summary>
        public byte[] previewImage;

        public string previewImageName;
        public string previewImageUrl;

        /// <summary>
        /// 设计图
        /// </summary>
        public List<byte[]> designImage = new List<byte[]>();

        public List<string> designImageName = new List<string>();
        public List<string> designImageUrl = new List<string>();
    }

    public class ShoppingCartManager : ManagerBase<ShoppingCartManager>
    {
        private ShoppingCart shoppingCart = new();
        public ShoppingCart ShoppingCart => shoppingCart;

        private Dictionary<string, ProductScriptableObject>
            products = new Dictionary<string, ProductScriptableObject>();

        public ProductScriptableObject GetProduct(ShoppingCartData data)
        {
            return products[data.onlyOneID];
        }

        public void AddToCart(ShoppingCartData data, ProductScriptableObject product)
        {
            if (products.TryGetValue(data.onlyOneID, out var product1))
            {
                products[data.onlyOneID] = product;
                return;
            }

            products.Add(data.onlyOneID, product);
            shoppingCart.AddData(data);
        }

        public void RemoveFromCart(ShoppingCartData data)
        {
            products.Remove(data.onlyOneID);
            shoppingCart.RemoveData(data);
        }

        public void RefreshCart()
        {
            shoppingCart.UpdateDatas();
        }

        public void ResetCart()
        {
            shoppingCart.Reset();
            products.Clear();
        }
    }
}