--[[
    signs mod for Minetest - Various signs with text displayed on
    (c) Pierre-Yves Rollo

    This file is part of signs.

    signs is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    signs is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with signs.  If not, see <http://www.gnu.org/licenses/>.
--]]

local S = signs.intllib
local F = function(...) return minetest.formspec_escape(S(...)) end

-- Poster specific formspec
local function on_rightclick_poster(pos, node, player)
	local formspec
	local meta = minetest.get_meta(pos)
	if not minetest.is_protected(pos, player:get_player_name()) then
		formspec =
			"size[6.5,7.5]"..
			"field[0.5,0.7;6,1;display_text;"..F("Title")..";"..minetest.formspec_escape(meta:get_string("display_text")).."]"..
			"textarea[0.5,1.7;6,6;text;"..F("Text")..";"..minetest.formspec_escape(meta:get_string("text")).."]"..
			"button_exit[2,7;2,1;ok;"..F("Write").."]"
		minetest.show_formspec(player:get_player_name(),
			"signs:poster@"..minetest.pos_to_string(pos),
			formspec)
	else
		formspec = "size[8,9]"..
			"size[6.5,7.5]"..
			"label[0.5,0;"..minetest.formspec_escape(meta:get_string("display_text")).."]"..
			"textarea[0.5,1;6,7;;"..minetest.formspec_escape(meta:get_string("text"))..";]"..
			"bgcolor[#111]"..
			"button_exit[2,7;2,1;ok;"..F("Close").."]"
		minetest.show_formspec(player:get_player_name(),
			"",
			formspec)
	end

end

-- Poster specific on_receive_fields callback
local function on_receive_fields_poster(pos, formname, fields, player)
	local meta = minetest.get_meta(pos)
	if not minetest.is_protected(pos, player:get_player_name()) then
		if fields and fields.ok then
			meta:set_string("display_text", fields.display_text)
			meta:set_string("text", fields.text)
			meta:set_string("infotext", "\""..fields.display_text
					.."\"\n"..S("(right-click to read more text)"))
			display_lib.update_entities(pos)
		end
	end
end

-- Text entity for all signs
display_lib.register_display_entity("signs:text")

-- Sign models and registration
local models = {
	wooden_right={
		depth=1/16,
		width = 14/16,
		height = 7/16,
		entity_fields = {
			size = { x = 12/16, y = 5/16 },
			resolution = { x = 112, y = 64 },
			maxlines = 2,
			color="#000",
		},
		node_fields = {
			description=S("Wooden direction sign"),
			tiles={"signs_wooden_direction.png"},
			inventory_image="signs_wooden_inventory.png",
			on_place=signs.on_place_direction,
            on_rightclick = signs.on_right_click_direction,
			drawtype = "mesh",
			mesh = "signs_dir_right.obj",
			selection_box = { type="wallmounted", 
				wall_side = {-0.5, -7/32, -7/16, -7/16, 7/32, 0.5},
				wall_bottom = {-0.5, -0.5, -0.5, 0.5, -7/16, 0.5},
				wall_top = {-0.5, 0.5, -0.5, 0.5, 7/16, 0.5}},
			collision_box = { type="wallmounted", 
				wall_side = {-0.5, -7/32, -7/16, -7/16, 7/32, 0.5},
				wall_bottom = {-0.5, -0.5, -0.5, 0.5, -7/16, 0.5},
				wall_top = {-0.5, 0.5, -0.5, 0.5, 7/16, 0.5}},
		},
	},
	wooden_left={
		depth = 1/16,
		width = 14/16,
		height = 7/16,
		entity_fields = {
			size = { x = 12/16, y = 5/16 },
			resolution = { x = 112, y = 64 },
			maxlines = 2,
			color="#000",
		},
		node_fields = {
			description=S("Wooden direction sign"),
			tiles={"signs_wooden_direction.png"},
			inventory_image="signs_wooden_inventory.png",
			on_place=signs.on_place_direction,
            on_rightclick = signs.on_right_click_direction,
			drawtype = "mesh",
			mesh = "signs_dir_left.obj",
			selection_box = { type="wallmounted", 
				wall_side = {-0.5, -7/32, -0.5, -7/16, 7/32, 7/16},
				wall_bottom = {-0.5, -0.5, -0.5, 0.5, -7/16, 0.5},
				wall_top = {-0.5, 0.5, -0.5, 0.5, 7/16, 0.5}},
			collision_box = { type="wallmounted", 
				wall_side = {-0.5, -7/32, -0.5, -7/16, 7/32, 7/16},
				wall_bottom = {-0.5, -0.5, -0.5, 0.5, -7/16, 0.5},
				wall_top = {-0.5, 0.5, -0.5, 0.5, 7/16, 0.5}},
			groups={not_in_creative_inventory=1},
			drop="signs:wooden_right",
		},
	},
	poster={
		depth=1/32,
		width = 26/32,
		height = 30/32,
		entity_fields = {
			resolution = { x = 144, y = 64 },
			maxlines = 1,
			color="#000",
			valign="top",
		},
		node_fields = {
			description=S("Poster"),
			tiles={"signs_poster.png"},
			inventory_image="signs_poster_inventory.png",
			on_construct=display_lib.on_construct,
			on_rightclick=on_rightclick_poster,
			on_receive_fields=on_receive_fields_poster,
		},
	},
}

for name, model in pairs(models)
do
	signs.register_sign("signs", name, model)
end

if minetest.get_modpath("homedecor") then
    print ("["..minetest.get_current_modname().."] homedecor mod is present, not overriding default:sign.")
else
-- Override default sign
    signs.register_sign(":default", "sign_wall", {
		depth = 1/16,
		width = 14/16,
		height = 10/16,
		entity_fields = {
			size = { x = 12/16, y = 8/16 },
			resolution = { x = 144, y = 64 },
			maxlines = 3,
			color="#000",
		},
		node_fields = {
			description="Sign",
			tiles={"signs_default.png"},
			inventory_image="signs_default_inventory.png",
		},
    })
end