using System;
using System.IO;
using System.Linq;

namespace gehGassi.Core.Services
{
    /// <summary>
    /// Hilfsklasse für die Benennung von Dateien und Ordnern
    /// </summary>
    public class FileServiceHelper
    {
        public const string DocumentContainer = "documents";
        public const string TempContainer = "temp";

        /// <summary>
        /// Pfad zu den Mandanten-Daten
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <returns>Pfad</returns>
        public static string GetTenantPath(Guid tenantId)
        {
            return $"Tenants/{tenantId}/";
        }

        /// <summary>
        /// Pfad zu den Dateien eines Benutzers
        /// </summary>
        /// <param name="id">ID des Benutzers</param>
        /// <returns>Pfad</returns>
        public static string GetProfilePath(string id)
        {
            return $"Users/{id}/";
        }

        /// <summary>
        /// Pfad zu den Temp-Bild-Dateien
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <param name="uniqueId">Eindeutige ID</param>
        /// <returns>Pfad</returns>
        public static string GetImageTempPath(Guid tenantId, Guid uniqueId)
        {
            return $"Tenants/{tenantId}/{uniqueId}/images/";
        }

        /// <summary>
        /// Pfad zu den Dateien eines Projektes!
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <param name="projectId">Id des Projektes</param>
        /// <returns>Pfad</returns>
        public static string GetProjectPath(Guid tenantId, long projectId)
        {
            return $"Tenants/{tenantId}/projects/{projectId}/";
        }

        /// <summary>
        /// Pfad zu den Dateien eines Issues
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <param name="projectId">Id des Projektes</param>
        /// <param name="issueId">Id des Issues</param>
        /// <returns>Pfad</returns>
        public static string GetIssuePath(Guid tenantId, long projectId, long issueId)
        {
            return $"Tenants/{tenantId}/projects/{projectId}/issues/{issueId}/";
        }

        /// <summary>
        /// Pfad zu den Bild-Dateien eines Issues
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <param name="projectId">Id des Projektes</param>
        /// <param name="issueId">Id des Issues</param>
        /// <returns>Pfad</returns>
        public static string GetIssueImagePath(Guid tenantId, long projectId, long issueId)
        {
            return $"Tenants/{tenantId}/projects/{projectId}/issues/{issueId}/images/";
        }

        /// <summary>
        /// Pfad zu den Bild-Dateien eines Projektes
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <param name="projectId">Id des Projektes</param>
        /// <returns>Pfad</returns>
        public static string GetProjectImagePath(Guid tenantId, long projectId)
        {
            return $"Tenants/{tenantId}/projects/{projectId}/images/";
        }

        /// <summary>
        /// Pfad zu den Bild-Dateien eines Sprints
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <param name="projectId">Id des Projektes</param>
        /// <param name="sprintId">Id des Sprints</param>
        /// <returns>Pfad</returns>
        public static string GetSprintImagePath(Guid tenantId, long projectId, long sprintId)
        {
            return $"Tenants/{tenantId}/projects/{projectId}/sprints/{sprintId}/images/";
        }

        /// <summary>
        /// Pfad zu den Beleg-Daten
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <returns>Pfad</returns>
        public static string GetReceiptPath(Guid tenantId)
        {
            return $"Tenants/{tenantId}/receipts/";
        }

        /// <summary>
        /// Pfad zu den Badge-Daten
        /// </summary>
        /// <returns>Pfad</returns>
        public static string GetBadgePath()
        {
            return $"Badges/";
        }

        /// <summary>
        /// Pfad zu den Badge-Daten
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <returns>Pfad</returns>
        public static string GetBadgePath(Guid tenantId)
        {
            return $"Tenants/{tenantId}/badges/";
        }

        /// <summary>
        /// Pfad zu den Kunden-Daten für Temp
        /// </summary>
        /// <returns>Pfad</returns>
        public static string GetCustomerPath()
        {
            return $"customers/";
        }

        /// <summary>
        /// Pfad zu den Kunden-Daten
        /// </summary>
        /// <param name="customerId">Id des Kunden</param>
        /// <returns>Pfad</returns>
        public static string GetCustomerPath(long customerId)
        {
            return $"customers/{customerId}/";
        }

        /// <summary>
        /// Pfad zu den Kunden-Daten
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <param name="customerId">Id des Kunden</param>
        /// <returns>Pfad</returns>
        public static string GetCustomerPath(Guid tenantId, long customerId)
        {
            return $"Tenants/{tenantId}/customers/{customerId}/";
        }

        /// <summary>
        /// Pfad zu den Trainer-Daten
        /// </summary>
        /// <returns>Pfad</returns>
        public static string GetInstructorPath()
        {
            return $"instructors/";
        }

        /// <summary>
        /// Pfad zu den Trainer-Daten
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <returns>Pfad</returns>
        public static string GetInstructorPath(Guid tenantId)
        {
            return $"Tenants/{tenantId}/instructors/";
        }

        /// <summary>
        /// Pfad zu den Studenten-Daten
        /// </summary>
        /// <returns>Pfad</returns>
        public static string GetStudentPath()
        {
            return $"students/";
        }

        /// <summary>
        /// Pfad zu den Studenten-Daten
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <param name="customerId">Id des Kunden</param>
        /// <returns>Pfad</returns>
        public static string GetStudentPath(Guid tenantId, long customerId)
        {
            return $"Tenants/{tenantId}/customers/{customerId}/students/";
        }

        /// <summary>
        /// Pfad zu den Studenten-Daten
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <param name="customerId">Id des Kunden</param>
        /// <param name="studentId">UniqueId des Studenten</param>
        /// <returns>Pfad</returns>
        public static string GetStudentPath(Guid tenantId, long customerId, Guid studentId)
        {
            return $"Tenants/{tenantId}/customers/{customerId}/students/{studentId}/";
        }

        /// <summary>
        /// Pfad zu den Kurs-Daten
        /// </summary>
        /// <returns>Pfad</returns>
        public static string GetCoursePath()
        {
            return $"courses/";
        }

        /// <summary>
        /// Pfad zu den Kurs-Daten
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <returns>Pfad</returns>
        public static string GetCoursePath(Guid tenantId)
        {
            return $"Tenants/{tenantId}/courses/";
        }

        /// <summary>
        /// Pfad zu den Kurs-Daten
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <param name="courseId">Id des Kurses</param>
        /// <param name="version">Versionsnummer</param>
        /// <returns>Pfad</returns>
        public static string GetCoursePath(Guid tenantId, long courseId, int version)
        {
            return $"Tenants/{tenantId}/courses/{courseId}/{version}/";
        }

        /// <summary>
        /// Pfad zu den Zertifikat-Daten
        /// </summary>
        /// <returns>Pfad</returns>
        public static string GetCertificatePath()
        {
            return $"certificates/";
        }

        /// <summary>
        /// Pfad zu den Zertifikat-Daten
        /// </summary>
        /// <param name="tenantId">Id des Mandanten</param>
        /// <returns>Pfad</returns>
        public static string GetCertificatePath(Guid tenantId)
        {
            return $"Tenants/{tenantId}/certificates/";
        }

        /// <summary>
        /// Pfad zu den Werbungs-Daten Kategorien / Rubriken
        /// </summary>
        /// <param name="id">Id der Rubrik</param>
        /// <returns>Pfad</returns>
        public static string GetAdvertisementCategoryPath(string id)
        {
            return $"AdsCat/{id}/";
        }

        /// <summary>
        /// Pfad zu den Werbungs-Daten
        /// </summary>
        /// <param name="id">Id der Werbung</param>
        /// <returns>Pfad</returns>
        public static string GetAdvertisementPath(string id)
        {
            return $"Ads/{id}/";
        }

        /// <summary>
        /// Pfad zu den Banner-Daten
        /// </summary>
        /// <param name="id">Id des Banners</param>
        /// <returns>Pfad</returns>
        public static string GetBannerPath(string id)
        {
            return $"Banner/{id}/";
        }

        /// <summary>
        /// Pfad zu den Gutschein-Kampagnen-Daten
        /// </summary>
        /// <param name="id">Id der Gutschein-Kampagne</param>
        /// <returns>Pfad</returns>
        public static string GetVoucherCampaignPath(string id)
        {
	        return $"VoucherCampaigns/{id}/";
        }

		/// <summary>
		/// Pfad zu den Branchen-Daten
		/// </summary>
		/// <param name="id">Id der Rubrik</param>
		/// <returns>Pfad</returns>
		public static string GetBranchPath(string id)
        {
            return $"Branch/{id}/";
        }

        /// <summary>
        /// Pfad zu den Hunderassen-Daten
        /// </summary>
        /// <param name="id">Id der Rubrik</param>
        /// <returns>Pfad</returns>
        public static string GetDogRacePath(string id)
        {
            return $"DogRace/{id}/";
        }

        /// <summary>
        /// Pfad zu den Produktkategorie-Daten
        /// </summary>
        /// <param name="id">Id der Rubrik</param>
        /// <returns>Pfad</returns>
        public static string GetProductCategoryPath(int id)
        {
            return $"ProdsCat/{id}/";
        }

        /// <summary>
        /// Pfad zu den Werbungs-Daten
        /// </summary>
        /// <param name="id">Id der Rubrik</param>
        /// <returns>Pfad</returns>
        public static string GetProductPath(int id)
        {
            return $"Products/{id}/";
        }

        /// <summary>
        /// Pfad zu den App-User-Daten
        /// </summary>
        /// <param name="id">Id des App-Users</param>
        /// <returns>Pfad</returns>
        public static string GetAppUserPath(string id)
        {
            return $"AppUsers/{id}/";
        }

        /// <summary>
        /// Pfad zu den Hundeausführer-Daten
        /// </summary>
        /// <param name="id">Id des Hundeausführers</param>
        /// <returns>Pfad</returns>
        public static string GetDogWalkerPath(string id)
        {
            return $"DogWalkers/{id}/";
        }

        /// <summary>
        /// Pfad zu den Hunde-Daten
        /// </summary>
        /// <param name="id">Id des Hundes</param>
        /// <returns>Pfad</returns>
        public static string GetDogPath(string id)
        {
            return $"Dogs/{id}/";
        }

        /// <summary>
        /// Pfad zu den Listungs-Daten
        /// </summary>
        /// <param name="id">Id der Rubrik</param>
        /// <returns>Pfad</returns>
        public static string GetListingPath(string id)
        {
            return $"Listing/{id}/";
        }

        /// <summary>
        /// Pfad zu den Pin-Daten
        /// </summary>
        /// <param name="id">Id des Pins</param>
        /// <returns>Pfad</returns>
        public static string GetPinPath(string id)
        {
            return $"Pin/{id}/";
        }

        /// <summary>
        /// Pfad zu den temp-Upload Daten
        /// </summary>
        /// <returns>Pfad</returns>
        public static string GetUploadTempPath()
        {
            return $"uploadtemp/";
        }

        /// <summary>
        /// Pfad zu den News-Daten Kategorien
        /// </summary>
        /// <param name="id">Id der Rubrik</param>
        /// <returns>Pfad</returns>
        public static string GetNewsCategoryPath(string id)
        {
            return $"NewsCat/{id}/";
        }

        /// <summary>
        /// Pfad zu den News-Daten
        /// </summary>
        /// <param name="id">Id der News</param>
        /// <returns>Pfad</returns>
        public static string GetNewsPath(long id)
        {
            return $"News/{id}/";
        }

        #region Helper

        /// <summary>
        /// Ersetzt ungültige Zeichen in einem Dateinamen
        /// </summary>
        /// <param name="filename">Dateiname</param>
        /// <returns>Bereinigter Dateiname</returns>
        public static string SanitizeFileName(string filename)
        {
            if (string.IsNullOrWhiteSpace(filename))
                return string.Empty;
            var invalidCharacters = Path.GetInvalidFileNameChars().ToList();
            invalidCharacters.Remove('/');
            invalidCharacters.Add('&');
            invalidCharacters.Add('%');
            var sanitizedFileName = string.Join("_", filename.Split(invalidCharacters.ToArray()));
            sanitizedFileName = sanitizedFileName.Replace(" ", "");
            return sanitizedFileName;
        }

        #endregion
    }
}