--[[
	digiterms mod for Minetest - Digilines monitors using Display API / Font API
	(c) Pierre-Yves Rollo

	This file is part of digiterms.

	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 cathodic_node_box = {
	type = "fixed",
	fixed = {
		{-8/16, 8/16, -8/16, 8/16, 7/16, -7/16},
		{-8/16, -8/16, -8/16, 8/16, -5/16, -7/16},
		{-8/16, 7/16, -8/16, -7/16, -5/16, -7/16},
		{7/16, 7/16, -8/16, 8/16, -5/16, -7/16},
		{-8/16, -8/16, -7/16, 8/16, 8/16, 1/16},
		{-6/16, 5/16, 1/16, 6/16, -8/16, 8/16}
	}
}
local cathodic_collision_box = {
	type = "fixed",
	fixed = {
		{-8/16, -8/16, -8/16, 8/16, 8/16, 1/16},
		{-6/16, 5/16, 1/16, 6/16, -8/16, 8/16}
	}
}

local lcd_node_box = {
	type = "fixed",
	fixed = {
		{-7/16, 8/16, 13/32, 7/16, 7/16, 7/16},
		{-7/16, -13/32, 13/32, 7/16, -8/16, 7/16},
		{-8/16, 8/16, 13/32, -7/16, -8/16, 7/16},
		{7/16, 8/16, 13/32, 8/16, -8/16, 7/16},
		{-8/16, -8/16, 7/16, 8/16, 8/16, 8/16},
	}
}

local lcd_collision_box = {
	type = "fixed",
	fixed = {
		{-8/16, -8/16, 13/32, 8/16, 8/16, 8/16},
	}
}

digiterms.register_monitor('digiterms:lcd_monitor', {
	description = "LCD monitor",
	paramtype = "light",
	paramtype2 = "facedir",
	sunlight_propagates = false,
	drawtype = "nodebox",
	groups = {choppy = 1, oddly_breakable_by_hand = 3},
	node_box = lcd_node_box,
	collision_box = lcd_collision_box,
	selection_box = lcd_collision_box,
	display_entities = {
		["digiterms:screen"] = {
				on_display_update = font_api.on_display_update,
				depth = 7/16 - display_api.entity_spacing,
				top = -1/128, right = 1/128,
				size = { x = 12/16, y = 12/16 },
				columns = 12, lines = 6,
				color = "#203020", font_name = digiterms.font, halign="left", valing="top",
		},
	},
}, {
	tiles = { "digiterms_lcd_sides.png", "digiterms_lcd_sides.png",
						"digiterms_lcd_sides.png", "digiterms_lcd_sides.png",
						"digiterms_lcd_back.png",  "digiterms_lcd_front.png" },
}, {
	tiles = { "digiterms_lcd_sides.png", "digiterms_lcd_sides.png",
						"digiterms_lcd_sides.png", "digiterms_lcd_sides.png",
						"digiterms_lcd_back.png",  "digiterms_lcd_front_off.png" },
})

digiterms.register_monitor('digiterms:cathodic_amber_monitor', {
	description = "Cathodic amber monitor",
	paramtype = "light",
	paramtype2 = "facedir",
	sunlight_propagates = false,
	drawtype = "nodebox",
	groups = {oddly_breakable_by_hand = 3},
	node_box = cathodic_node_box,
	collision_box = cathodic_collision_box,
	selection_box = cathodic_collision_box,
	display_entities = {
		["digiterms:screen"] = {
				on_display_update = font_api.on_display_update,
				depth = -7/16 - display_api.entity_spacing,
				top = -1/16,
				size = { x = 23/32, y = 10/16 },
				columns = 20, lines = 6,
				color = "#FFA000", font_name = digiterms.font, halign="left", valing="top",
		},
	},
}, {
	tiles = { "digiterms_amber_top.png",   "digiterms_amber_bottom.png",
						"digiterms_amber_sides.png", "digiterms_amber_sides.png^[transformFX]",
						"digiterms_amber_back.png",  "digiterms_amber_front.png",},
}, {
	tiles = { "digiterms_amber_top.png",   "digiterms_amber_bottom.png",
						"digiterms_amber_sides.png", "digiterms_amber_sides.png^[transformFX]",
						"digiterms_amber_back.png",  "digiterms_amber_front_off.png",},
})

digiterms.register_monitor('digiterms:cathodic_green_monitor', {
	description = "Cathodic green monitor",
	paramtype = "light",
	paramtype2 = "facedir",
	sunlight_propagates = false,
	drawtype = "nodebox",
	groups = {oddly_breakable_by_hand = 1, dig_immediate = 1},
	node_box = cathodic_node_box,
	collision_box = cathodic_collision_box,
	selection_box = cathodic_collision_box,
	display_entities = {
		["digiterms:screen"] = {
				on_display_update = font_api.on_display_update,
				depth = -7/16 - display_api.entity_spacing,
				top = -1/16,
				size = { x = 23/32, y = 10/16 },
				columns = 20, lines = 6,
				color = "#00FF00", font_name = digiterms.font, halign="left", valing="top",
		},
	},
}, {
	tiles = { "digiterms_green_top.png",   "digiterms_green_bottom.png",
						"digiterms_green_sides.png", "digiterms_green_sides.png^[transformFX]",
						"digiterms_green_back.png",  "digiterms_green_front.png",},
}, {
	tiles = { "digiterms_green_top.png", "digiterms_green_bottom.png",
						"digiterms_green_sides.png", "digiterms_green_sides.png^[transformFX]",
						"digiterms_green_back.png", "digiterms_green_front_off.png",},
})

minetest.register_node('digiterms:beige_keyboard', {
	description = "Beige keyboard",
	paramtype = "light",
	paramtype2 = "facedir",
	sunlight_propagates = false,
	tiles = { "digiterms_beige_keyboard_top.png",   "digiterms_beige_keyboard_bottom.png",
						"digiterms_beige_keyboard_sides.png", "digiterms_beige_keyboard_sides.png",
						"digiterms_beige_keyboard_sides.png", "digiterms_beige_keyboard_sides.png",},
	drawtype = "nodebox",
	groups = {choppy = 1, oddly_breakable_by_hand = 1},
	node_box = {
		type = "fixed",
		fixed = {
			{-8/16,  -8/16, -1/16, 8/16, -6/16, 7/16},
			{-7/16,  -12/32, 0, 7/16, -11/32, 6/16},
		}
	},
	digiline =
	{
		receptor = {}
	},
	on_rightclick = function(pos, node, player, itemstack, pointed_thing)
			if not minetest.is_player(player) then
				return
			end
			local name = player:get_player_name()
			local context = digiterms.get_player_context(name)
			context.formname = 'digiterms:keyboard'
			context.pos = pos

			local owned = not minetest.is_protected(context.pos, name)
			local protected = minetest.is_protected(context.pos, '')
			local meta = minetest.get_meta(pos)
			local channel = meta:get_string('channel')
			local public = meta:get_string('public')

			if owned then
				local fs = "size[8,5]"..
					default.gui_bg..default.gui_bg_img..default.gui_slots..
					"field[1,1;3,1;channel;Chanel;"..channel.."]"..
					"field[1,3;6.5,1;text;Type text:;]"..
					"field_close_on_enter[text;true]button_exit[2.5,4;3,1;send;Send]"
				if protected then
					fs = fs.."checkbox[4,0.6;public;Public keyboard;"..public.."]"
				end
				minetest.show_formspec(name, context.formname, fs)
			else
				if public == 'true' and channel ~= '' then
					minetest.show_formspec(name, context.formname, "size[8,3]"..
						default.gui_bg..default.gui_bg_img..default.gui_slots..
						"field[1,1;6.5,1;text;Type text:;]"..
						"field_close_on_enter[text;true]button_exit[2.5,2;3,1;send;Send]")
				end
			end
		end,
})

minetest.register_on_player_receive_fields(function(player, formname, fields)
		if formname ~= 'digiterms:keyboard' or not minetest.is_player(player) then
			return
		end
		local name = player:get_player_name()
		local context = digiterms.get_player_context(name)
		if context.formname ~= formname then
			return
		end

		local owned = not minetest.is_protected(context.pos, name)
		local protected = minetest.is_protected(context.pos, '')
		local meta = minetest.get_meta(context.pos)
		if owned then
			if fields.channel ~= nil and fields.channel ~= '' then
				meta:set_string("channel", fields.channel)
			end
			if fields.public ~= nil and protected then
				meta:set_string("public", fields.public)
			end
		end

		local channel = meta:get_string("channel")

		if fields.text and channel ~= '' and
			(owned or meta:get_string("public") == 'true') then
			digiline:receptor_send(context.pos, digiline.rules.default, channel, fields.text)
		end
		return true
	end)