-- IndustrialTest
-- Copyright (C) 2023 mrkubax10

-- This program 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.

-- This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

local S=minetest.get_translator("industrialtest")

-- Generators
local function generatorFormspec(fuelPercent,charged)
	minetest.chat_send_all(charged)
	local formspec={
		industrialtest.formspecVersion(),
		"size[10.8,12]",
		"label[0.5,0.5;"..S("Generator").."]",
		industrialtest.formspecList("context","charged",4.9,1.8,1,1),
		"listring[context;charged]",
		"image[4.9,2.8;1,1;default_furnace_fire_bg.png^[lowpart:"..fuelPercent..":default_furnace_fire_fg.png]",
		industrialtest.formspecList("context","fuel",4.9,3.9,1,1),
		"listring[context;fuel]",
		"box[9,1;0.3,4.8;#202020]",
		(charged>0 and "box[9,"..(1+4.8-(charged*4.8))..";0.3,"..(charged*4.8)..";#FF1010]" or ""),
		industrialtest.formspecPlayerInv()
	}
	return table.concat(formspec,"")
end
local function generatorMclAfterDigNode(pos,oldnode,oldmeta,digger)
	-- Taken from https://git.minetest.land/MineClone2/MineClone2/src/branch/master/mods/ITEMS/mcl_furnaces/init.lua#L538
	local meta=minetest.get_meta(pos)
	local meta2=meta
	meta:from_table(oldmeta)
	local inv=meta:get_inventory()
	for _,listname in ipairs({"src", "dst", "fuel"}) do
		local stack=inv:get_stack(listname,1)
		if not stack:is_empty() then
			local p = {x=pos.x+math.random(0, 10)/10-0.5, y=pos.y, z=pos.z+math.random(0, 10)/10-0.5}
			minetest.add_item(p, stack)
		end
	end
	meta:from_table(meta2:to_table())
end
local definition={	
	description=S("Generator"),
	tiles={"industrialtest_iron_furnace.png"},
	paramtype2="4dir",
	on_construct=function(pos,placer)
		local meta=minetest.get_meta(pos)
		local inv=meta:get_inventory()
		inv:set_size("charged",1)
		inv:set_size("fuel",1)
		meta:set_string("formspec",generatorFormspec(0,0))
		meta:set_int("fuelTime",0)
		industrialtest.api.addPowerStorage(meta,5000,10,"oooooo")
	end,
	on_timer=function(pos,elapsed)
		local meta=minetest.get_meta(pos)
		local inv=meta:get_inventory()
		local fuelTime=meta:get_int("fuelTime")
		local fuelList=inv:get_list("fuel")
		local chargedList=inv:get_list("charged")
		if fuelTime==0 and not industrialtest.api.isFullyCharged(meta) then
			local fuel,after=minetest.get_craft_result({
				method="fuel",
				width=1,
				items=fuelList
			})
			if fuel.time>0 then
				inv:set_stack("fuel",1,after.items[1])
				fuelTime=fuel.time
				meta:set_int("maxFuelTime",fuelTime)
			else
				return false
			end
		end
		fuelTime=fuelTime-elapsed
		if fuelTime<0 then
			fuelTime=0
		end
		meta:set_int("fuelTime",fuelTime)
		industrialtest.api.addPower(meta,100)
		meta:set_string("formspec",generatorFormspec(fuelTime/meta:get_int("maxFuelTime")*100,meta:get_int("industrialtest.powerAmount")/meta:get_int("industrialtest.powerCapacity")))
		if fuelTime>0 or fuelList[1]:get_count()>0 then
			return true
		end
		return false
	end,
	allow_metadata_inventory_put=function(pos,listname,index,stack,player)
		if listname=="charged" and not industrialtest.api.hasPowerStorage(stack:get_meta()) then
			return 0
		end
		return stack:get_count()
	end,
	on_metadata_inventory_put=function(pos,listname,index,stack,player)
		minetest.get_node_timer(pos):start(1.0)
	end,
	on_metadata_inventory_take=function(pos,listname,index,stack,player)
		minetest.get_node_timer(pos):start(1.0)
	end
}
if industrialtest.mtgAvailable then
	definition.groups={cracky=2}
	definition.sounds=default.node_sound_metal_defaults()
	definition.can_dig=function(pos)
		local meta=minetest.get_meta(pos)
		local inv=meta:get_inventory()
		return not (inv:get_list("charged")[1]:get_count()>0 or inv:get_list("fuel")[1]:get_count()>0)
	end
elseif industrialtest.mclAvailable then
	definition.after_dig_node=generatorMclAfterDigNode
	definition._mcl_blast_resistance=3.5
	definition._mcl_hardness=3.9
end
minetest.register_node("industrialtest:generator",definition)