-- 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)
	local formspec
	if industrialtest.mtgAvailable then
		formspec={
			"formspec_version[4]",
			"size[10.8,12]",
			"label[0.5,0.5;"..S("Generator").."]",
			"list[context;charged;4.9,1.8;1,1]",
			"listring[context;charged]",
			(fuelPercent>0 and "image[4.9,2.8;1,1;default_furnace_fire_bg.png^[lowpart:"..fuelPercent..":default_furnace_fire_fg.png]"
			 or "image[4.9,2.8;1,1;default_furnace_fire_bg.png]"),
			"list[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 ""),
			"list[current_player;main;0.5,6.25;8,1]list[current_player;main;0.5,7.5;8,3;8]"
		}
	elseif industrialtest.mclAvailable then
		formspec={
			"size[10.04,12]",
			"label[0.25,0.25;"..S("Generator").."]",
			"list[context;charged;4.7,1.8;1,1]",
			mcl_formspec.get_itemslot_bg(4.7,1.8,1,1),
			"listring[context;charged]",
			(fuelPercent>0 and "image[4.7,2.8;1,1;default_furnace_fire_bg.png^[lowpart:"..fuelPercent..":default_furnace_fire_fg.png]"
			 or "image[4.7,2.8;1,1;default_furnace_fire_bg.png]"),
			"list[context;fuel;4.7,3.9;1,1]",
			mcl_formspec.get_itemslot_bg(4.7,3.9,1,1),
			"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 ""),
			"list[current_player;main;0.5,7;9,3;9]",
			mcl_formspec.get_itemslot_bg(0.5,7,9,3),
			"list[current_player;main;0.5,10.24;9,1]",
			mcl_formspec.get_itemslot_bg(0.5,10.24,9,1)
		}
	end
	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_machine_block.png",
		"industrialtest_machine_block.png",
		"industrialtest_machine_block.png",
		"industrialtest_machine_block.png",
		"industrialtest_machine_block.png",
		"industrialtest_iron_furnace_front.png",
		"industrialtest_machine_block.png"
	},
	paramtype2="facedir",
	legacy_facedir_simple=true,
	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)
		meta:set_int("maxFuelTime",1)
		industrialtest.api.addPowerStorage(meta,7000,100,"oooooo")
	end,
	on_timer=function(pos,elapsed)
		local meta=minetest.get_meta(pos)
		local powerFlow=meta:get_int("industrialtest.powerFlow")
		local inv=meta:get_inventory()
		local chargedSlot=inv:get_stack("charged",1)
		local fuelSlot=inv:get_stack("fuel",1)
		local shouldUpdateFormspec=false
		local shouldRerunTimer=false

		if chargedSlot:get_count()>0 and not industrialtest.api.isFullyCharged(chargedSlot:get_meta()) and meta:get_int("industrialtest.powerAmount")>0 then
			industrialtest.api.transferPowerToItem(meta,chargedSlot,powerFlow)
			inv:set_stack("charged",1,chargedSlot)
			shouldUpdateFormspec=true
			shouldRerunTimer=true
		end
		if fuelSlot:get_count()>0 and meta:get_int("fuelTime")<=0 and not industrialtest.api.isFullyCharged(meta) then
			local output,after=minetest.get_craft_result({
				method="fuel",
				width=1,
				items={fuelSlot}
			})
			if output.time>0 then
				meta:set_int("fuelTime",output.time)
				meta:set_int("maxFuelTime",output.time)
				inv:set_stack("fuel",1,after.items[1])
			end
		end
		if meta:get_int("fuelTime")>0 then
			meta:set_int("fuelTime",meta:get_int("fuelTime")-elapsed)
			industrialtest.api.addPower(meta,200)
			shouldUpdateFormspec=true
			shouldRerunTimer=true
		end

		if shouldUpdateFormspec then
			meta:set_string("formspec",generatorFormspec(meta:get_int("fuelTime")/meta:get_int("maxFuelTime")*100,meta:get_int("industrialtest.powerAmount")/meta:get_int("industrialtest.powerCapacity")))
		end

		return shouldRerunTimer
	end,
	allow_metadata_inventory_move=function(pos,fromList,fromIndex,toList,toIndex,count,player)
		local meta=minetest.get_meta(pos)
		local inv=meta:get_inventory()
		local movedItemStack=inv:get_list(fromList)[1]
		if toList=="charged" and not industrialtest.api.hasPowerStorage(movedItemStack:get_meta()) then
			return 0
		end
		return count
	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)
minetest.register_craft({
	type="shaped",
	output="industrialtest:generator",
	recipe={
		{"industrialtest:re_battery","",""},
		{"industrialtest:machine_block","",""},
		{industrialtest.elementKeys.furnace,"",""}
	}
})
minetest.register_craft({
	type="shaped",
	output="industrialtest:generator",
	recipe={
		{"","industrialtest:re_battery",""},
		{"","industrialtest:machine_block",""},
		{"",industrialtest.elementKeys.furnace,""}
	}
})
minetest.register_craft({
	type="shaped",
	output="industrialtest:generator",
	recipe={
		{"","","industrialtest:re_battery"},
		{"","","industrialtest:machine_block"},
		{"","",industrialtest.elementKeys.furnace}
	}
})