A Present For Esau

Genesis 32:13-23 After his desperate prayer to God for protection from his brother, Esau, Jacob sets about to prepare for meeting Esau. Was Jacob acting in faith or not? Why the massive present he assembled for his brother? Why did he stress to his servants to tell Esau that he was coming right behind them? Why does the narrator seem to stress that it is night? How must Esau have responded upon this constant arrival of Jacob's present? What was important to happen before Jacob could encounter God as he does in the following passage?