-- Copyright 2026 Joshua Rich <joshua.rich@gmail.com>.
-- SPDX-License-Identifier: 	AGPL-3.0-or-later

-- GetQueryParam will fetch the value of the given query parameter. If no query parameter exists with the given name, an
-- empty string is returned.
def GetQueryParam(name)
  make a URLSearchParams from the search of the document's location called query
  if query.has(name)
    set value to the query.get(name)
    return value
  else
    return ''
  end
end

-- loadingButton defines a behavior that will disable a button while a request it triggered is in process.
def loadingButton
  behavior LoadingButton
    on htmx:beforeRequest from me
      add .in-flight-request to me
      set my.disabled to true
    on htmx:afterRequest from me
      remove .in-flight-request from me
      set my.disabled to false
  end
end

-- revealAtBottom defines a behavior that will reveal the element when the user scrolls to the bottom of a page.
def revealAtBottom
 behavior RevealAtBottom
  on load or scroll from window
    if (window.scrollY + window.innerHeight) >= document.body.scrollHeight
      remove .hidden from me
      add .flex to me
    end
  end
end

-- handleReadStatus defines a behavior that toggles the value of an input that indicates the read status of an object.
def handleReadStatus
  behavior HandleReadStatus
    on htmx:afterRequest(successful)
      tell the previous <input />
    	get your value
    	if your value equals 'read'
    	  set your value to 'unread'
    	else
    	  set your value to 'read'
    	end
      halt the event's bubbling
    on htmx:afterRequest(failed) toggle @checked on me
  end
end