Re-usable template not working - with negative numbers?

[ArveVM]

Version of the custom_component

0.0.14

Homeassistant version

2023.12.1

Configuration

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Describe the bug

Trying to be more clever than I am,, having created a small monster of a re-usable template (which in itself is a good idea), but it doesnt work in the time-array/attributes

the templates and more info here: https://github.com/ArveVM/nordpool_additional_cost/issues/7

so when adding to the current price of 193,813 øre the template that gives -0.42516 NOK i get a price of 242,618 Øre, (when trying some template-result that give positive amounts, the calculations are correct) . .

Debug log

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[Hellowlol]

I have no idea what you’re trying to do there. But generally keep the template as simple as possible. Verify that a simple example works before you increase the complexity. Remember that now() is patched as always refer to the current hours what ever that may be.

[ArveVM]

End goal is to have a re-usable template where many people can contribute to to keep updated with never ending changes in tariffs. The re-usable template is deployed/updated through HACS so we can lower threshold to keep tariffs updated for everyone.

So the template rely on some input and now() for hour/date/month and current_price to calculate vat/subsidy etc

So if I try to add just the transport cost it works fine through the entire day and changed with tarrif changes But if I try calculate the price including subsidies the calculation goes bananas.