NEED HELP!! OPPO A95

Other phone kept turning off even though i set the right password for the 72 hours thing. I thought of rebooting my phone but well, the problem is that my power button is broken. I then thought of letting it turn off itself when it runs out of battery to reboot but then i remember— how the hell am i gonna turn it on with my power button is broken?

Its still alive around 62%. Im locked out of my phone because of a stupid glitch. Power button is broken. What should i do?