smart_villages.forms = {}

function smart_villages.forms.show_inv_formspec(self, playername)
	local home_pos = {x = 0, y = 0, z = 0}
	if self:has_home() then
		home_pos = self:get_home():get_marker()
	end
	home_pos = minetest.pos_to_string(home_pos)
	local formstring = "size[8,9]"
		.. default.gui_bg
		.. default.gui_bg_img
		.. default.gui_slots
		.. "list[detached:"..self.inventory_name..";main;0,0;4,4;]"
		.. "label[4.5,1;job]"
		.. "list[detached:"..self.inventory_name..";job;4.5,1.5;1,1;]"
		.. "list[current_player;main;0,5;8,1;]"
		.. "list[current_player;main;0,6.2;8,3;8]"
		.. "label[5.5,1;wield]"
		.. "list[detached:"..self.inventory_name..";wield_item;5.5,1.5;1,1;]"
		.. "field[4.5,3;2.5,1;home_pos;home position;" .. home_pos .. "]"
		.. "button_exit[7,3;1,1;ok;set]"
	minetest.show_formspec(playername,"villager:gui_inv_"..self.inventory_name, formstring)
end

function smart_villages.forms.show_talking_formspec(self, playername)
	local jobname = self:get_job()
	if jobname then
		jobname = jobname.description
	else
		jobname = "no job"
	end
	local formstring = "size[8,9]"
		.. default.gui_bg
		.. default.gui_bg_img
		.. default.gui_slots
		.. "label[0,0;"..jobname.."]"
		.. "label[3.5,2;hello]"
		.. "button_exit[3.5,8;1,1;exit;bye]"
	minetest.show_formspec(playername,"villager:gui_talk_"..self.inventory_name, formstring)
	--TODO: make something out of this placeholder
end


--receive fields when villager was rightclicked

minetest.register_on_player_receive_fields(
	function(player, formname, fields)
		if string.find(formname,"villager:gui_inv_") then
			local inv_name = string.sub(formname, string.len("villager:gui_inv_")+1)
			local sender_name = player:get_player_name()
			if fields.home_pos == nil then
				return
			end
			local coords = minetest.string_to_pos(fields.home_pos)
			if not (coords.x and coords.y and coords.z) then
				-- fail on illegal input of coordinates
				minetest.chat_send_player(sender_name, 'You failed to provide correct coordinates for the home position. '..
					'Please enter the X, Y, and Z coordinates of the desired destination in a comma seperated list. '..
					'Example: The input "10,20,30" means the destination at the coordinates X=10, Y=20 and Z=30.')
				return
			end
			if(coords.x>30927 or coords.x<-30912 or coords.y>30927 or coords.y<-30912 or coords.z>30927 or coords.z<-30912) then
				minetest.chat_send_player(sender_name, "The coordinates of your home position "..
					"do not exist in our coordinate system. Correct coordinates range from -30912 to 30927 in all axes.")
				return
			end
			if minetest.get_node(coords).name ~= "smart_villages:home_marker" then
				minetest.chat_send_player(sender_name, 'No home marker could be found at the entered position.')
				return
			end

			smart_villages.set_home(inv_name,coords)
			minetest.chat_send_player(sender_name, 'Home set!')

			if not minetest.get_meta(coords):get_string("bed") then
				minetest.chat_send_player(sender_name, 'Home marker not configured, '..
					'please right-click the home marker to configure it.')
			end
		elseif string.find(formname,"villager:gui_talk_") then
			local inv_name = string.sub(formname, string.len("villager:gui_inv_")+1)
			local sender_name = player:get_player_name()
			minetest.log("info",inv_name)
			minetest.log("info",sender_name)
			--TODO: event handling for talking
		end
	end
)