Candlestick based EA

Hi,

I need to develop ea based on candle structure

EA need to identify one mitigation candle (for sell - sell candle body close price must below the previous buy candle low price / sell candle high price must be above (at least 1 pip (default 1 pip) - but this value is a variable ( liquidity gap) that can adjust) the previous buy candle high or close price )

if above condition meet then enter sell at sell candle close price. 

liquidity gap = variable (default 1)

Stop loss = variable

Take profit= variable

(for buy- buy candle body close price must above the previous sell candle high price / buy candle low price must be below (at least 1 pip (default 1 pip) - but this value is a variable ( liquidity gap) that can adjust) the previous sell candle low or close price )

if above condition meet then enter buy at buy candle close price. 

liquidity gap = variable (default 1)

Stop loss = variable

Take profit = variable

example -- 

EA need to move stop loss after x pips profit (Variable).

I need to do demo/trial for 1-2  days before job complete./ prefer both mt4 and mt5 ea.