Severance for contracted employee

Hello,

I am in saskatchewan started this pretty decent gig in September of 2021 at this company under contract originally for 9 months , extended after that 9 months for another 8, then got extended in December of 2022 agian but this time I was given nothing to sign.

I was recently let go in May for termination without clause and was told by hr and my boss I would get 2 weeks of pay and my hours that I worked, somehow payroll messed up and didn't end up paying me by the date on my document and I called the labor board and was then told payroll will pay be on the date of the deadline.

Now I was paid 797$ and instantly new that was a mistake because I was told 2 weeks and the document says it aswell, after contacting hr they emailed me today saying it's based on the 13 weeks prior to me being let go and that's what I get I feel like this is way to low considering I was there for almost 2 years and I could have sworn my original contracts say that they had to pay me out the remaining if they ever let me go and they never gave me a copy of the contract after but I did read it all.

What do I do here? Is my severance low? Can they really not give me a full 2 weeks of pay?

I didn't sign anything yet FYI.