using Abp.Extensions;

using VberZero.Configuration;

namespace VberZero.DomainService.Url;

public abstract class WebUrlServiceBase
{
    public const string TenancyNamePlaceHolder = "{TENANCY_NAME}";

    public abstract string WebSiteRootAddressFormatKey { get; }

    public abstract string ServerRootAddressFormatKey { get; }

    public string WebSiteRootAddressFormat => _appConfiguration[WebSiteRootAddressFormatKey] ?? "https://localhost:62114/";

    public string ServerRootAddressFormat => _appConfiguration[ServerRootAddressFormatKey] ?? "https://localhost:62114/";

    public bool SupportsTenancyNameInUrl
    {
        get
        {
            var siteRootFormat = WebSiteRootAddressFormat;
            return !siteRootFormat.IsNullOrEmpty() && siteRootFormat.Contains(TenancyNamePlaceHolder);
        }
    }

    private readonly IConfigurationRoot _appConfiguration;

    protected WebUrlServiceBase(IAppConfigurationAccessor configurationAccessor)
    {
        _appConfiguration = configurationAccessor.Configuration;
    }

    public string GetSiteRootAddress(string tenancyName = null)
    {
        return ReplaceTenancyNameInUrl(WebSiteRootAddressFormat, tenancyName);
    }

    public string GetServerRootAddress(string tenancyName = null)
    {
        return ReplaceTenancyNameInUrl(ServerRootAddressFormat, tenancyName);
    }

    public List<string> GetRedirectAllowedExternalWebSites()
    {
        var values = _appConfiguration["App:RedirectAllowedExternalWebSites"];
        return values?.Split(',').ToList() ?? new List<string>();
    }

    private string ReplaceTenancyNameInUrl(string siteRootFormat, string tenancyName)
    {
        if (!siteRootFormat.Contains(TenancyNamePlaceHolder))
        {
            return siteRootFormat;
        }

        if (siteRootFormat.Contains(TenancyNamePlaceHolder + "."))
        {
            siteRootFormat = siteRootFormat.Replace(TenancyNamePlaceHolder + ".", TenancyNamePlaceHolder);
        }

        if (tenancyName.IsNullOrEmpty())
        {
            return siteRootFormat.Replace(TenancyNamePlaceHolder, "");
        }

        return siteRootFormat.Replace(TenancyNamePlaceHolder, tenancyName + ".");
    }
}