I dread having to explain things
Anyway first of all, Naruto wasn't handily doing anything. The only reason Naruto seemed to have been overpowering Pain when he first showed up was because Pain was wiped from just having blown up the village I think that would have been clear by now. As soon as Pain recovered I remember him
handily taking care of Naruto's sage mode.
And you should check before you post things like that because Jiraiya or more specifically Fukasaku did tell them about their shared field of vision.
http://www.onemanga.com/Naruto/422/09/
Hint what hint are you talking about. Are you talking about when Katsuyu specifically tells Naruto that those bodies were just puppets and the real Pain was controlling them from somewhere nearby after Shikamaru and the others had figured it out or later when Pain confirmed it himself.
2 weeks, huh, by my best estimation its been just a little over a week since Jiraiya died either way it doesn't make much of a difference. Anyway you got something wrong there, he was ordered to capture Naruto immediately before his battle with Jiraiya. As I recall he told Zetsu he was just on his way to Konoha when Jiraiya showed up. That is significant for two reasons, the obvious one being that it bought Konoha time. Not only did Jiraiya provide Konoha with a great deal of information on Pain but he delayed Pain's arrival because Pain needed to get a new body to replace the one Jiraiya took out. The second thing is sage mode, Naruto didn't have it then and if Jiraiya hadn't fought Pain and died Naruto wouldn't have it now and he certainly wouldn't have been able to defeat Pain without it. If Pain had attacked Konoha when he was first ordered to not only would it have been a slaughter but it would have been a complete loss on Konoha's part.
Every little bit of information they got about Pain led to his downfall. Whether it was Jiraiya's clues that eventually led to them figuring out that the bodies were all just puppets or Kakashi figuring out the short interval of time in which Pain couldn't use his powers, which was the immediate cause for his defeat. Everyone played their part. It took Jiraiya, Konoha, Naruto going 8 tails, and 2 stints in sage mode to defeat Pain and in the end it still seems like the only reason he lost was because he ran out of power