using System;
using System.IO;
using System.Collections.Generic;
using ArcanaDevelopment.adTempus.ApplicationIntegration;
using ArcanaDevelopment.adTempus.Shared;

/*
This script reads the file that triggered the job and sets Job Variables based on the information in the file.
Each line of the file should be a variable setting in the form
    variable name=variable value
    
See www.arcanadev.com/support/CodeSamples/932d01813535fb4c5e86d80f8897847d for more information.    
*/

namespace UserScript
{
    public class UserScript : ArcanaDevelopment.adTempus.ApplicationIntegration.UserScriptBase
    {
        public override Object Run()
        {
            //get the name of the file that triggered the job (set by the FileTrigger)
            var fileName = adTempus.JobVariables["FileTrigger.FileName"];
            if (!File.Exists(fileName))
            {
                adTempus.LogMessage(MessageTypeEnum.Error, 0, $"Trigger file {fileName} not found");

                //return 8 to signal failure. This will cause the job to end at this point. If you want
                //the job to ignore this and keep running, change this to return 0.
                return 8;
            }

            using (var file = File.OpenText(fileName))
            {
                //loop to read each line of the file
                while (true)
                {
                    var line = file.ReadLine();
                    if (line == null)
                        break;

                    //find the first "=" on the line and split the line at that point to get the variable name and value.
                    var index = line.IndexOf("=");
                    if (index > 0)
                    {
                        var name = line.Substring(0, index).Trim();
                        var value = line.Substring(index + 1).Trim();

                        //set the variable. This setting is effective only for the currently-executing instance of the job
                        adTempus.JobVariables[name] = value;
                    }
                }
            }
            return 0;
        }
    }
}