using System;
using System.Collections.Generic;
using System.Threading.Tasks;

using Fab2ApprovalSystem.DMO;
using Fab2ApprovalSystem.Models;
using Fab2ApprovalSystem.Utilities;

using Quartz;

namespace Fab2ApprovalSystem.Workers
{
    public class OOOTrainingReportJob:IJob
    {
        UserAccountDMO userDMO = new UserAccountDMO();
        AdminDMO adminDMO = new AdminDMO();
        TrainingDMO trainingDMO = new TrainingDMO();
        ECN_DMO ecnDMO = new ECN_DMO();
        public EmailUtilities emailer = new EmailUtilities();

        async Task IJob.Execute(IJobExecutionContext context)
        {
            await Task.Run(() => {

                string emailBody = "<h1>Mesa Approval Open Training Assignments Report - OOO</h1> <br />";
                emailBody += "<p>The following contains open training assignments in the Mesa Approval system for out of office users.";
                emailBody += " Please ensure they complete their training assignments promptly upon their return.</p><br />";
                emailBody += "<style>table,th,td{border: 1px solid black;}</style>";
                //Get all users set up to receive the training report email.
                List<TrainingReportUser> trainingReportUsers = adminDMO.GetTrainingReportUsers();
                List<string> emailList = new List<string>();
                foreach (var user in trainingReportUsers)
                {
                    string userEmail = userDMO.GetUserByID(user.UserId).Email;
                    emailList.Add(userEmail);
                }
                //emailList.Add("Chase.Tucker@infineon.com");
                //Get a list of open trainings
                List<Training> openTrainings = trainingDMO.GetAllOpenTrainings();

                foreach (Training training in openTrainings)
                {
                    string trainingSection = "";
                    int trainingSectionUserCount = 0;
                    string ecnTitle = ecnDMO.GetECN(training.ECN).Title;
                    trainingSection += "<h3>" + training.ECN + " - " + ecnTitle + "</h3>";

                    trainingSection += "<table>";
                    trainingSection += "<tr><th>Name</th><th>Date Assigned</th></tr>";
                    List<TrainingAssignment> openAssignments = trainingDMO.GetOpenAssignmentsByTrainingID(training.TrainingID);
                    foreach (TrainingAssignment assignment in openAssignments)
                    {

                        if (userDMO.GetUserByID(assignment.UserID).OOO)
                        {
                            trainingSectionUserCount++;

                            DateTime? assignmentDate = assignment.DateAssigned;

                            string DateAssigned = assignmentDate.HasValue ? assignmentDate.Value.ToString("MM/dd/yyyy") : "<not available>";

                            trainingSection += "<tr><td>" + assignment.FullName + "</td><td>" + DateAssigned + "</td>";

                            trainingSection += "</tr>";
                        }
                    }
                    trainingSection += "</table>";
                    if (trainingSectionUserCount > 0) emailBody += trainingSection;
                }
                string recipientEmail = "";
                List<string> ccRecipients = emailList;
                emailer.SendNotification("MesaFabApproval@infineon.com", ccRecipients, "Mesa Approval Open Training Report - OOO", emailBody, "Open Training Report - OOO");
            });
        }
    }
}