class Bake::Command::List

def call
	first = true
	terminal = @parent.terminal
	context = @parent.context
	
	context.registry.each do |loader|
		printed = false
		
		loader.each do |path|
			loader.scopes_for(path) do |scope|
				print_scope(terminal, scope, printed: printed) do
					terminal.print_line(:loader, loader)
					printed = true
				end
			end
		end
		
		if printed
			terminal.print_line
		end
	end
end

def format_parameters(parameters, terminal)
	parameters.each do |type, name|
		case type
		when :key
			name = "#{name}="
		when :keyreq
			name = "#{name}="
		when :keyrest
			name = "**#{name}"
		else
			name = name.to_s
		end
		
		terminal.print(:reset, " ")
		terminal.print(type, name)
	end
end

def format_recipe(recipe, terminal)
	terminal.print(:command, recipe.command)
	
	if parameters = recipe.parameters
		format_parameters(parameters, terminal)
	end
end

def print_scope(terminal, scope, printed: false)
	format_recipe = self.method(:format_recipe).curry
	
	scope.recipes.sort.each do |recipe|
		if @pattern and !recipe.command.include?(pattern)
			next
		end
		
		unless printed
			yield
			
			printed = true
		end
		
		terminal.print_line
		terminal.print_line("\t", format_recipe[recipe])
		
		documentation = recipe.documentation
		
		documentation.description do |line|
			terminal.print_line("\t\t", :description, line)
		end
		
		documentation.parameters do |parameter|
			terminal.print_line("\t\t",
				:parameter, parameter[:name], :reset, " [",
				:type, parameter[:type], :reset, "] ",
				:description, parameter[:details]
			)
		end
	end
	
	return printed
end