using System.Text;

namespace etoy
{
    /// <summary>
    /// 客户端配置表加载代码
    /// </summary>
    class CSharpTableLoaderGenerater : IGenerater
    {
        const string TableRepoLoadArea = "<#TableRepoLoadArea>";

        public void Generate(Context context)
        {
            var path = context.Option.ClientDatabaseLoadCodePath;
            if (string.IsNullOrEmpty(path))
            {
                return;
            }
            var fileName = Path.GetFileName(path);
            var templatePath = Path.Combine(Environment.CurrentDirectory, "Configs/CSTemplates", fileName);
            if (!File.Exists(templatePath))
            {
                return;
            }
            // 删除旧文件
            if (File.Exists(path))
            {
                File.Delete(path);
            }
            var sbTableRepoLoadArea = new StringBuilder();
            var tables = context.Blackboard.Tables;
            foreach (var table in tables)
            {
                if (table.TableTag.HasFlag(TableTag.Client))
                {
                    sbTableRepoLoadArea.AppendLine($"            {table.Name}TableRepo.LoadAsync().Join(group);");
                }
            }
            var templateText = File.ReadAllText(templatePath);
            templateText = templateText.Replace(TableRepoLoadArea, sbTableRepoLoadArea.ToString());
            File.WriteAllText(path, templateText, Encoding.UTF8);
        }
    }
}