using eprintServer.Entities;
using eprintServer.DTOs; // Make sure to import the DTO namespace

namespace eprintServer.Data
{
    public static class OAuthSettingsExtensions
    {
        public static OAuthSettingsResponseDto2 ToResponseDto(this OAuthSettings settings)
        {
            return new OAuthSettingsResponseDto2
            {
                Id = settings.Id,
                ThawaniPublicKey = settings.ThawaniPublicKey,
                TwilioPhoneNumber = settings.TwilioPhoneNumber,
                UpdatedAt = settings.UpdatedAt,

                // Pass the actual IDs to the frontend
                GoogleClientId = settings.GoogleClientId,
                FacebookAppId = settings.FacebookAppId,
                LinkedInClientId = settings.LinkedInClientId, // Showing the Client ID

                // Service configuration status
                IsGoogleConfigured = !string.IsNullOrEmpty(settings.GoogleClientId),
                IsFacebookConfigured = !string.IsNullOrEmpty(settings.FacebookAppId),
                IsInstagramConfigured = !string.IsNullOrEmpty(settings.InstagramAppId),
                IsLinkedInConfigured = !string.IsNullOrEmpty(settings.LinkedInClientId),
                IsThawaniConfigured = !string.IsNullOrEmpty(settings.ThawaniApiKey),
                IsTwilioConfigured = !string.IsNullOrEmpty(settings.TwilioAccountSid),

                // Masked values (show only first/last few characters)
                /*  GoogleClientIdMasked = MaskString(settings.GoogleClientId, 4),
                 FacebookAppIdMasked = MaskString(settings.FacebookAppId, 4) */

            };
        }

        private static string? MaskString(string? input, int visibleChars)
        {
            if (string.IsNullOrEmpty(input) || input.Length <= visibleChars * 2)
                return input;

            return input.Substring(0, visibleChars) +
                   "..." +
                   input.Substring(input.Length - visibleChars, visibleChars);
        }
    }
}