If Satan existed before the creation of earth your premise is Flawed and scripture implies he was..... Then Jehovah answered Job out of the whirlwind, and said,
2 Who is this that darkeneth counsel By words without knowledge?
3 Gird up now thy loins like a man; For I will demand of thee, and declare thou unto me.
4 Where wast thou when I laid the foundations of the earth? Declare, if thou hast understanding.
5 Who determined the measures thereof, if thou knowest? Or who stretched the line upon it?
6 Whereupon were the foundations thereof fastened? Or who laid the corner-stone thereof,
7 When the morning stars sang together, And all the sons of God shouted for joy?.....note this was before Adam was created. and the foundations of the earth where laid...
You don’t need a contrived “Gap Theory,” including an imaginary heavenly war, to account for Satan’s fall. Once Satan and some of the angels (probably created on the 4th Day) saw on Day-6 that the RECENTLY created Earth was going to be populated by “inferior” beings such as us humans (and THEY were going to have to SERVE mankind!), he quickly put his “Apple Plan” into motion and the rest, they say, is history!
Go here for a comprehensive rebuttal of the seriously flawed “Gap Theory”: http://
www.answersingenesis.org/
articles/nab/gap-ruin-
reconstruction-theories