MT4 function EA

Hi developers

I m looking for develop a function EA or script which able to  load on the chart, easy to use while trading .

the Functions include

• One Click Buy & Sell
• Apply Stop loss (pre set)
• Apply Take profit (pre set)
• Trailing stop loss (pre set) 
• Reversal trade function
• If there is long open position, when click reversal trade , long position will be closed and open the short position in the same time ( base on pre setted lot size) 
• If there is short open position, when click reversal trade , shot position will be closed and open the long position in the same time ( base on pre setted lot size) 
• Close all positions
• Close  long positions
• close short positions
• Close only profit positions
• Close only loss positions
• Double up (Long) : Able to open new (double up) the long positions base on the  setting 
• Double up (short) : Able to open new  (double up) the short positions base on the  setting 

• Lot size 
• stop loss pips
• take profit pips
• trailing stop loss
• Double Up step value
• Slippage range: