Need help building easy chart with JS chart

hello the community ,

I need your help , I 'm trying to start with charts , but I’m missing something I think .
My database is as follow :

with field : Date de commande , Commane ID , Amount

I want to build a chart representing : The number of order each day and the total amount each day .

I’m not able to do it each time I have the following line bar chart

Thank you for your kind help

Hello no one can provide some help with that ?