# Custom Markdown processor able to process doc commands
class CmdDecorator
	super NitdocDecorator

	redef type PROCESSOR: CmdMarkdownProcessor

	# Model used by wikilink commands to find entities
	var model: Model

	# Filter to apply if any
	var filter: nullable ModelFilter

	redef fun add_span_code(v, buffer, from, to) do
		var text = new FlatBuffer
		buffer.read(text, from, to)
		var name = text.write_to_string
		name = name.replace("nullable ", "")
		var mentity = try_find_mentity(name)
		if mentity == null then
			super
		else
			v.add "<code>"
			v.emit_text mentity.html_link.write_to_string
			v.add "</code>"
		end
	end

	private fun try_find_mentity(text: String): nullable MEntity do
		var mentity = model.mentity_by_full_name(text, filter)
		if mentity != null then return mentity

		var mentities = model.mentities_by_name(text, filter)
		if mentities.is_empty then
			return null
		else if mentities.length > 1 then
			# TODO smart resolve conflicts
		end
		return mentities.first
	end

	redef fun add_wikilink(v, token) do
		v.render_wikilink(token, model)
	end
end