using System.ComponentModel.DataAnnotations;

namespace BudgetApp.Data.Entities;

public class Account
{
    public int Id { get; set; }

    [Required, MaxLength(100)]
    public string Name { get; set; } = string.Empty;

    public decimal CurrentBalance { get; set; }

    [Required, MaxLength(7)]
    public string Color { get; set; } = "#1b6ec2";

    [Required, MaxLength(3)]
    public string CurrencyCode { get; set; } = "GBP";

    [Required]
    public string UserId { get; set; } = string.Empty;

    public ApplicationUser User { get; set; } = default!;

    public List<Transaction> Transactions { get; set; } = [];

    public static readonly Dictionary<string, string> CurrencySymbols = new()
    {
        ["USD"] = "$", ["EUR"] = "€", ["GBP"] = "£", ["JPY"] = "¥",
        ["CAD"] = "C$", ["AUD"] = "A$", ["CHF"] = "CHF", ["CNY"] = "¥",
        ["INR"] = "₹", ["BRL"] = "R$", ["KRW"] = "₩", ["MXN"] = "MX$",
        ["SEK"] = "kr", ["NOK"] = "kr", ["DKK"] = "kr", ["NZD"] = "NZ$",
        ["ZAR"] = "R", ["PLN"] = "zł", ["TRY"] = "₺", ["THB"] = "฿"
    };

    public string GetSymbol() => CurrencySymbols.GetValueOrDefault(CurrencyCode, CurrencyCode);

    public string FormatAmount(decimal amount) => $"{GetSymbol()}{amount:N2}";
}