Confused and need Makeup Tips?

I have dark brown eyes, a light-medium skin tone (but I don't tan in the sun mind u instead I burn) & dark brown hair. I also wear thin-rimmed metallic purple gles 24/7 (if that matters when it comes to makeup). I've heard that girls should change up their makeup routines as the seasons change and I would agree to that declaration-if you will. I tried doing research on my own to try and find out what hues would go well with my eye color and skin tone but I kept getting mixed messages on what colors are the right ones. For Summer I've heard that your eye makeup should be very light and natural that only your nails should be bright colors I've also heard that Summertime is perfect for wearing brightly colored eyeshadow like teal, yellow, green, blue & purple, For Spring I heard that eye makeup in pastel colors with a neutral lip is good, but somewhere else I heard that your lip color should be bright. When it comes to Fall I heard that the smokey eye is best and that purples and deep reds & greys are good and that the lip color should be bright. Bright Eyes with Bright Lip? What the heck? And don't get me started on Winter, I heard that Winter is also good to do a smokey eye and to have the lip be neutral, I've also heard that makeup in the Winter should be a little as possible. So which is it? I'm so confused. Don't get me wrong I'm not obsessed with following the hottest makeup trends. All that I'm looking for is 4 individual makeup routines that can never go out of style. Thanks!:)