using System;
using System.Collections.Concurrent;
using System.Text;
using Abp.Dependency;
using Abp.IO.Extensions;
using Abp.Reflection.Extensions;
using IwbZeroCore.Net.Emailing;

namespace ShwasherSys.Emailing
{
    public class EmailTemplateProvider : IEmailTemplateProvider, ISingletonDependency
    {
        //private readonly IWebUrlService _webUrlService;
        private readonly ConcurrentDictionary<string, string> _defaultTemplates;

        public EmailTemplateProvider()
        {
            //_webUrlService = webUrlService;
            _defaultTemplates = new ConcurrentDictionary<string, string>();
        }

        public string GetDefaultTemplate(int? tenantId)
        {
            var tenancyKey = tenantId.HasValue ? tenantId.Value.ToString() : "host";

            return _defaultTemplates.GetOrAdd(tenancyKey, key =>
            {
                using (var stream = typeof(EmailTemplateProvider).GetAssembly().GetManifestResourceStream("ShwasherSys.Emailing.EmailTemplates.default.html"))
                {
                    var bytes = stream.GetAllBytes();
                    var template = Encoding.UTF8.GetString(bytes, 3, bytes.Length - 3);
                    template = template.Replace("{THIS_YEAR}", DateTime.Now.Year.ToString());
                    return template.Replace("{EMAIL_LOGO_URL}", GetTenantLogoUrl(tenantId));
                }
            });
        }

        private string GetTenantLogoUrl(int? tenantId)
        {
            return ""; //_webUrlService.GetServerRootAddress().EnsureEndsWith('/') + "img/logo.png";
            //if (!tenantId.HasValue)
            //{
            //    return _webUrlService.GetServerRootAddress().EnsureEndsWith('/') + "img/logo/logo.png";
            //}

            //var tenant = _tenantCache.Get(tenantId.Value);
            //return _webUrlService.GetServerRootAddress(tenant.TenancyName).EnsureEndsWith('/') + "img/logo/" + tenantId.Value+ "/logo.png";
        }
    }
}