-- This code is distributed under GN GPL v2 license. Copyright© Jimy-Byerley

local opened_laptop = "computers:laptop_open"
local closed_laptop = "computers:laptop_close"
local connected_laptop = "computers:laptop_connect"

local welcome_message = "/* welcome to cybertronic OS v2.2 */"
local default_laptop = opened_laptop

computers = {}

local computer_action = function(pos, formname, fields, sender)
	--use shell
	computers.execute_oscommand(fields.text, pos, sender)
end

computers.registered_command_names = {}
computers.registered_commands = {}

computers.register_oscommand = function(name, short_description, long_description, exe)
	if computers.registered_commands[name] == nil then
		computers.registered_command_names[#computers.registered_command_names+1] = name
	end
	computers.registered_commands[name] = {
		short_description=short_description, 
		long_description=long_description, 
		exe=exe
	}
end

computers.execute_oscommand = function(cmdline, pos, player)
	if cmdline == nil then return end
	local command = string.match(cmdline, "([^ ]+) *")
	if command == nil then return end
	local message = command..": command not found"
	local continue = false
	
	--DEBUG info:
	--print("pass command to computer : "..command)
	if computers.registered_commands[command] then
		local func = computers.registered_commands[command].exe
		if func then
			continue = true
			message, continue = func(cmdline, pos, player)
		end
	end
	
	--minetest.chat_send_player(player:get_player_name(), message)
	--display message
	local meta = minetest.env:get_meta(pos)
	meta:set_string("infotext", message)
	
	return continue
end

dofile(minetest.get_modpath("computers").."/os.lua")

-- crafting


minetest.register_craft({
	output = 'computers:keyboard',
	recipe = {
		{'technology:button', 'technology:button', 'technology:button'},
		{'technology:button', 'technology:button', 'technology:button'},
		{'technology:button', 'technology:button', 'technology:button'},
	}
})

minetest.register_craft({
	output = default_laptop,
	recipe = {
		{'technology:flat_screen_off', "technology:wire"},
		{'technology:electronic_card', "technology:wire"},
		{'technology:keyboard', "technology:wire"},
	}
})

-- node defs

minetest.register_node("computers:keyboard", {
    description = "keyboard",
    stack_max = 1,
    node_placement_prediction = "",
    paramtype = "light",
	light_source = 3,
    paramtype2 = "facedir",
    drawtype = "nodebox",
    node_box = {type = "fixed", fixed = {-0.44, -0.5, -0.44,   0.44, -0.45, -0.02}},
    selection_box = {type = "fixed", fixed = {-0.44, -0.5, -0.44,   0.44, -0.45, -0.02}},
    tiles = {"keyboard_top.png", "keyboard_bottom.png", "keyboard_side.png", "keyboard_side.png", "keyboard_side.png", "keyboard_side.png"},
    walkable = true,
    groups = {choppy=2, dig_immediate=2},
})

minetest.register_node("computers:laptop_open", {
    description = "Laptop from computers mod",
    stack_max = 1,
    node_placement_prediction = "",
    paramtype = "light",
	light_source = 4,
    paramtype2 = "facedir",
    drawtype = "nodebox",
    node_box = {type = "fixed", fixed = {    	
    	-- top part
    	{-0.3, -0.45, 0.05,   0.3, 0.05, 0.1},
    	-- bottom part
    	{-0.3, -0.5, -0.45,     0.3, -0.45, 0.075},
    }},
    selection_box = {type = "fixed", fixed = {
    	-- top part
    	{-0.3, -0.45, 0.05,   0.3, 0.05, 0.1},
    	-- bottom part
    	{-0.3, -0.5, -0.45,     0.3, -0.45, 0.075},
    }},
    tiles = {"laptop_top.png", "laptop_bottom.png", "laptop_left.png", "laptop_right.png", "laptop_back.png", {
			image="laptop_front_general.png",
			backface_culling=false,
			animation={type="vertical_frames", aspect_w=128, aspect_h=128, length=4.5}
		}
	},
    walkable = true,
    groups = {choppy=2, dig_immediate=2},
	drop = default_laptop,
    on_punch = function(pos, node, puncher)
    	node.name = "computers:laptop_close"
    	minetest.env:set_node(pos, node)
    end,
    on_construct = function(pos)
    	--set metadata
		local meta = minetest.env:get_meta(pos)
		meta:set_string("formspec", "field[text;;${text}]")
		meta:set_string("infotext", welcome_message)
	end,
    on_receive_fields = computer_action,
})

laptop_open_action = function(pos, node, puncher)
    	--set opened computer
    	node.name = "computers:laptop_open"
    	minetest.env:set_node(pos, node)
    	--set metadata
		local meta = minetest.env:get_meta(pos)
		meta:set_string("formspec", "field[text;;${text}]")
		meta:set_string("infotext", welcome_message)
    end

minetest.register_node("computers:laptop_close", {
    description = "Laptop from computers mod",
    stack_max = 1,
    node_placement_prediction = "",
    paramtype = "light",
    paramtype2 = "facedir",
    drawtype = "nodebox",
    node_box = {type = "fixed", fixed = {
    	-- bottom part
    	{-0.3, -0.5, -0.45,     0.3, -0.4, 0.075},
    }},
    selection_box = {type = "fixed", fixed = {-0.3, -0.5, -0.45,     0.3, -0.4, 0.075},},
    tiles = {"laptop_cover.png", "laptop_bottom.png", "laptop_left.png", "laptop_right.png", "laptop_back.png", {
			image="laptop_front_general.png",
			backface_culling=false,
			animation={type="vertical_frames", aspect_w=128, aspect_h=128, length=4.5}
		}
	},
    walkable = true,
    groups = {choppy=2, dig_immediate=2, not_in_creative_inventory=1},
	drop = default_laptop,
    
    on_punch = laptop_open_action,
    on_rightclick = laptop_open_action,
})

minetest.register_node("computers:laptop_connect", {
    inventory_image = "laptop_wielded.png",
    wield_image = "laptop_wielded.png",
    stack_max = 1,
    node_placement_prediction = "",
    paramtype = "light",
	light_source = 6,
    paramtype2 = "facedir",
    drawtype = "nodebox",
    node_box = {type = "fixed", fixed = {    	
    	-- top part
    	{-0.3, -0.45, 0.05,   0.3, 0.05, 0.1},
    	-- bottom part
    	{-0.3, -0.5, -0.45,     0.3, -0.45, 0.075},
    }},
    selection_box = {type = "fixed", fixed = {
    	-- top part
    	{-0.3, -0.45, 0.05,   0.3, 0.05, 0.1},
    	-- bottom part
    	{-0.3, -0.5, -0.45,     0.3, -0.45, 0.075},
    }},
    tiles = {"laptop_top.png", "laptop_bottom.png", "laptop_left.png", "laptop_right.png", "laptop_back.png", {
			image="laptop_front_connect.png",
			backface_culling=false,
			animation={type="vertical_frames", aspect_w=128, aspect_h=128, length=4.5}
		}
	},
    walkable = true,
    groups = {choppy=2, dig_immediate=2, not_in_creative_inventory=1},
	drop = default_laptop,
    
    on_punch = function(pos, node, puncher)
    	node.name = "computers:laptop_close"
    	minetest.env:set_node(pos, node)
    end,
    
    on_receive_fields = computers.oscommand_com_main
})

minetest.register_alias("computers:laptop", "computers:laptop_open")