using Microsoft.EntityFrameworkCore;
using System.Linq;
using System.Collections.Generic;
using Oqtane.Modules;
using SZUAbsolventenverein.Module.AdminModules.Repository;
using SZUAbsolventenverein.Module.ReportSystem.Models;

namespace SZUAbsolventenverein.Module.ReportSystem.Repository
{
    public interface IReportingRepository
    {
        IEnumerable<Reporting> GetReportings();
        Reporting GetReporting(int ReportingID);
        Reporting GetReporting(int ReportingID, bool tracking);
        Reporting AddReporting(Reporting Reporting);
        Reporting UpdateReporting(Reporting Reporting);
        void DeleteReporting(int ReportingID);
    }

    public class ReportingRepository : IReportingRepository, ITransientService
    {
        private readonly IDbContextFactory<ReportingContext> _factory;

        public ReportingRepository(IDbContextFactory<ReportingContext> factory)
        {
            _factory = factory;
        } 
        
        public IEnumerable<Reporting> GetReportings()
        {
            using var db = _factory.CreateDbContext();
            return db.Reportings.ToList();
        }

        public Reporting GetReporting(int ReportingID)
        {
            return GetReporting(ReportingID, true);
        }

        public Reporting GetReporting(int ReportingID, bool tracking)
        {
            using var db = _factory.CreateDbContext();
            if (tracking)
            {
                return db.Reportings.Find(ReportingID);
            }
            else
            {
                return db.Reportings.AsNoTracking().FirstOrDefault(item => item.ReportingID == ReportingID);
            }
        }

        public Reporting AddReporting(Reporting Reporting)
        {
            using var db = _factory.CreateDbContext();
            db.Reportings.Add(Reporting);
            db.SaveChanges();
            return Reporting;
        }

        public Reporting UpdateReporting(Reporting Reporting)
        {
            using var db = _factory.CreateDbContext();
            db.Entry(Reporting).State = EntityState.Modified;
            db.SaveChanges();
            return Reporting;
        }

        public void DeleteReporting(int ReportingID)
        {
            using var db = _factory.CreateDbContext();
            var Reporting = db.Reportings.Find(ReportingID);
            db.Reportings.Remove(Reporting);
            db.SaveChanges();   
        }
    }
}