forms = { }

-- expects lm node   x = { xmlns = 'jabber:x:data', type = 'form', ... }

-- returns form index in forms table, you can do whatever you want to upper level table, except exp and val fields.

function parse_form ( node )

	local form = { title = 'unknown', exp = '', val = { } }

	if node:child ( 'title' ) then

		form.title = node:child( 'title' ):value ()

	end

	if node:child ( 'instructions' ) then

		form.exp = form.exp .. 'Instructions: ' .. node:child( 'instructions' ):value () .. '\n'

	end

	form.exp = form.exp .. 'Fields:\n'

	local field = node:children ()

	while field do

		if field:name () == 'field' then

			local field_type  = field:attribute ( 'type' ) or 'text-single'

			local field_var   = field:attribute ( 'var' ) or ''

			form.exp = form.exp .. ' - ' .. field_var .. '\n   Type: ' .. field_type .. '\n'

			if field:attribute ( 'label' ) then

				form.exp = form.exp .. '   Label: ' .. ( field:attribute ( 'label' ) or '' ) .. '\n'

			end

			if field:child ( 'desc' ) then

				form.exp = form.exp .. '   Description: ' .. field:child( 'desc' ):value () .. '\n'

			end

			if field:child ( 'required' ) then

				form.exp = form.exp .. '   Required: yes\n'

			end

			local field_value

			if field_type == 'jid-multi' or field_type == 'list-multi' or field_type == 'text-multi' then

				field_value = { }

				local value = field:children ()

				form.exp = form.exp .. '   Default values:\n'

				while value do

					if value:name () == 'value' then

						table.insert ( field_value, { value:value () } )

						form.exp = form.exp .. '    - ' .. value:value () .. '\n'

					end

					value = value:next ()

				end

			else

				if field:child ( 'value' ) then

					field_value = field:child( 'value' ):value ()

					form.exp = form.exp .. '   Default value: ' .. field_value .. '\n'

				end

			end

			if field_type == 'list-single' or field_type == 'list-multi' then

				form.exp = form.exp .. '   List options:\n'

				local option = field:children ()

				while option do

					if option:name () == 'option' then

						form.exp = form.exp .. '    - ' .. ( option:child( 'value' ):value () or '' ) .. ': ' .. ( option:attribute ( 'label' ) or '' ) .. '\n'

					end

					option = option:next ()

				end

			end

			if field_type == 'boolean' then

				table.insert ( form.val, { type = field_type, var = field_var, value = { field_value or '0' } } )

			elseif field_type == 'fixed' then

			elseif field_type == 'hidden' then

				table.insert ( form.val, { type = field_type, var = field_var, value = { field_value or '' } } )

			elseif field_type == 'list-single' then

				table.insert ( form.val, { type = field_type, var = field_var, value = { field_value or '' } } )

			elseif field_type == 'list-multi' then

				table.insert ( form.val, { type = field_type, var = field_var, value = field_value or { } } )

			elseif field_type == 'jid-multi' or field_type == 'text-multi' then

				table.insert ( form.val, { type = field_type, var = field_var, value = field_value or { } } )

			elseif field_type == 'jid-single' or field_type == 'text-single' then

				table.insert ( form.val, { type = field_type, var = field_var, value = { field_value or '' } } )

			elseif field_type == 'text-private' then

				table.insert ( form.val, { type = field_type, var = field_var, value = { field_value or '' } } )

			end

		end

		field = field:next ()

	end

end

function form_set ( id, name, value )

	if forms[id] then

		for index, field in ipairs ( forms[id].val ) do

			if field.var == name then

				if value == nil then

					field.value = { }

				else

					if field.type == 'jid-multi' or field.type == 'list-multi' or field.type == 'text-multi' then

						table.insert ( field.value, { value } )

					else

						field.value = { value }

					end

				end

			end

		end

	end

end

	function ( args )

		args = parse_args ( args )

		local action = args[1]

		local id = tonumber (args[1])

		if forms[id] then

			if args[2] then

				local field = args[2]

				if args[3] == 'clear' then

					form_set ( id, field, nil )

				else

					args[1] = nil

					args[2] = nil

					if args[3] == 'set' then

						args[3] = nil

					end

					form_set ( id, field, rebuild_args_string ( args ) )

				end

			else

				print ( 'Form: ' .. ( forms[id].title or '' ) .. '\n' .. forms[id].exp )

				print ( 'Fields:' )

				for index, field in ipairs ( forms[id].val ) do -- this should not be here, but setting up callback just for this...

					if field.type == 'jid-multi' or field.type == 'list-multi' or field.type == 'text-multi' then

						print ( ' - ' .. field.var .. ' [' .. field.type .. ']:' )

						for vin, value in ipairs ( field.value ) do

							print ( '    * ' .. value[1] )

						end

					else

						print ( ' - ' .. field.var .. ' [' .. field.type .. ']: ' .. field.value[1] )

					end

				end

			end

		elseif action == 'del' then

			forms[tonumber(args[2])] = nil

		elseif action == 'send' then

			local form = forms[tonumber(args[2])]

			if form then

				form.send ( form )

			end

		else

			print ( 'Forms list:' )

			for id, form in ipairs ( forms ) do

				print ( ' - ' .. tostring(id) .. ' ' .. form.title .. ' [' .. ( form.status or 'unknown' ) .. ']' )

			end

		end

commands_help['form'] = "[del form_id | send form_id | form_id [field_name {clear | [set] value}]\n\nWith bare form id prints info on that form.\nWith field name sets or clears field value. Set subcommand is optional, just to allow values, starting with 'clear'.\nWithout arguments prints form list."

-- vim: se ts=4: --