littleshop/LittleShop/Areas/Admin/Controllers/SystemSettingsController.cs

using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using LittleShop.Services;
using LittleShop.Enums;

namespace LittleShop.Areas.Admin.Controllers;

[Area("Admin")]
[Authorize(Policy = "AdminOnly")]
public class SystemSettingsController : Controller
{
    private readonly ISystemSettingsService _systemSettingsService;
    private readonly ILogger<SystemSettingsController> _logger;

    public SystemSettingsController(
        ISystemSettingsService systemSettingsService,
        ILogger<SystemSettingsController> logger)
    {
        _systemSettingsService = systemSettingsService;
        _logger = logger;
    }

    public async Task<IActionResult> Index()
    {
        try
        {
            var viewModel = new SystemSettingsViewModel
            {
                TestCurrencies = new Dictionary<string, bool>
                {
                    { "TBTC", await _systemSettingsService.IsTestCurrencyEnabledAsync("TBTC") },
                    { "TLTC", await _systemSettingsService.IsTestCurrencyEnabledAsync("TLTC") }
                }
            };

            return View(viewModel);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Error loading system settings");
            ViewBag.Error = "Failed to load system settings";
            return View(new SystemSettingsViewModel());
        }
    }

    [HttpPost]
    public async Task<IActionResult> UpdateTestCurrencies(SystemSettingsViewModel model)
    {
        try
        {
            if (model.TestCurrencies != null)
            {
                foreach (var currency in model.TestCurrencies)
                {
                    await _systemSettingsService.SetTestCurrencyEnabledAsync(currency.Key, currency.Value);
                    _logger.LogInformation("Updated test currency {Currency} to {Enabled}", currency.Key, currency.Value);
                }
            }

            ViewBag.Success = "Test currency settings updated successfully";
            return View("Index", model);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "Error updating test currency settings");
            ViewBag.Error = "Failed to update test currency settings";
            return View("Index", model);
        }
    }
}

public class SystemSettingsViewModel
{
    public Dictionary<string, bool> TestCurrencies { get; set; } = new();
}