using Atomx.Admin.Client.Services;
using Microsoft.JSInterop;

namespace Atomx.Admin.Client.Utils
{
    /// <summary>
    /// WASM 客户端下的 Token 提供器（实现共享的 ITokenProvider）
    /// - 直接从浏览器 storage（localStorage/sessionStorage）读取 access token
    /// - 设计为轻量，仅负责读取 token；刷新逻辑放在 AuthHeaderHandler / 后端 Refresh 接口
    /// </summary>
    public class ClientTokenProvider : ITokenProvider
    {
        private readonly IJSRuntime _jsRuntime;

        public ClientTokenProvider(IJSRuntime jsRuntime)
        {
            _jsRuntime = jsRuntime;
        }

        public async Task<string?> GetTokenAsync()
        {
            try
            {
                return await _jsRuntime.InvokeAsync<string>("localStorage.getItem", "accessToken");
            }
            catch
            {
                return null;
            }
        }

        public async Task<bool> IsTokenValidAsync()
        {
            var token = await GetTokenAsync();
            return !string.IsNullOrEmpty(token);
        }
    }
}