using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

namespace Store.Modules.CloudProduct.Services
{
	/// <summary>
	/// Hangfire 定时任务：把数据库中未同步（IndexStatus=0）的商品写入 OpenSearch 分词索引。
	/// </summary>
	public class GoodsIndexJob
	{
		private readonly IServiceScopeFactory _scopeFactory;
		private readonly IConfiguration _configuration;
		private readonly ILogger<GoodsIndexJob> _logger;

		public GoodsIndexJob(IServiceScopeFactory scopeFactory, IConfiguration configuration,ILogger<GoodsIndexJob> logger)
		{
			_scopeFactory = scopeFactory;
			_configuration = configuration;
			_logger = logger;
		}

		public async Task ProcessPendingAsync()
		{
			var batchSize = _configuration.GetValue<int?>("Indexing:BatchSize") ?? 1000;
			using var scope = _scopeFactory.CreateScope();
			var service = scope.ServiceProvider.GetRequiredService<GoodsService>();
			var count = await service.IndexPendingGoodsAsync(batchSize);
			_logger.LogInformation($"[Hangfire] 商品分词定时任务完成，本次同步 {count} 条");
		}
	}
}