Hey Boyan,
About the code, just leave this part as there is a lot to look into.
Regarding the the second issue, the only solution I can provide is to compare from your portfolio EA and another platform of metatrader with the individual EAs in it, compare which are the EAs by the trade time and find the magic number that way so that you can also identify the strategy.
Hope this helps!
Kind Regards,
Nikos