-- Copyright (C) 2021 Sandro Del Toro De Ana

-- This file is part of Emeraldbank Minetest Mod.

-- Emeraldbank 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
-- any later version.

-- Emeraldbank 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 Emeraldbank.  If not, see <https://www.gnu.org/licenses/>.




local S = core.get_translator(core.get_current_modname())

local bankcraft = core.settings:get_bool("emeraldbank.craft") or true
local income_enabled = core.settings:get_bool("emeraldbank.income_enabled", true)
local income_count = tonumber(core.settings:get("emeraldbank.income_count")) or 1
local income_period = tonumber(core.settings:get("emeraldbank.income_period")) or 1800
local maxbankgive = tonumber(core.settings:get("emeraldbank.max_bank_give")) or 100


emeraldbank = {}

function emeraldbank.keep(player, itemstack)
   local meta = player:get_meta()
   local bankemeralds = meta:get_int("emeraldbank:emerald") -- if nil "get_int()" return 0 Magic!
   local name = player:get_player_name()
   local itemname = itemstack:get_name()
   local itemcount = itemstack:get_count()
   if itemname == "mcl_core:emerald" then
      itemstack:take_item(itemcount)
      meta:set_int("emeraldbank:emerald", bankemeralds+itemcount)
      core.chat_send_player(name, S("Emeralds in Bank: @1", bankemeralds+itemcount) )
      return true
   end
   if itemname == "mcl_core:emeraldblock" then
      itemstack:take_item(itemcount*9)
      meta:set_int("emeraldbank:emerald", bankemeralds+itemcount*9)
      core.chat_send_player(name, S("Emeralds in Bank: @1", bankemeralds+itemcount*9) )
      return true
   end
   core.chat_send_player(name, S("You need keep emeralds or emeraldblocks in your hand!") )
   return false
end

function emeraldbank.take(player)
   local meta = player:get_meta()
   local bankemeralds = meta:get_int("emeraldbank:emerald")
   local name = player:get_player_name()
   local pos = player:get_pos()
   local num = 1
   if bankemeralds >= 1 then
      if bankemeralds >= 10 then
	 num = 10
      end
      meta:set_int("emeraldbank:emerald", bankemeralds-num)
      core.add_item(pos, "mcl_core:emerald "..num)
      core.chat_send_player(name, S("Emeralds in Bank: @1", bankemeralds-num) )
      return true
   end
   core.chat_send_player(name, S("Not enough Emeralds in your account") )
   return false
end


-- register bank node
core.register_node("emeraldbank:bank", {
	description = S("Emerald Bank"),
	_doc_items_longdesc = S("This block can keep your emeralds."),
	is_ground_content = false,
	tiles = {"default_steel_block.png", "default_steel_block.png", "default_steel_block.png^mcl_core_emerald.png"},
	stack_max = 64,
	groups = {pickaxey=1, handy=1, building_block=1, enderman_takable=1},
	sounds = mcl_sounds.node_sound_metal_defaults(),
	_mcl_blast_resistance = 5,
	_mcl_hardness = 1,

	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
	   emeraldbank.keep(clicker, itemstack)
	end,

	on_punch = function(pos, node, puncher, pointed_thing)
	   emeraldbank.take(puncher)
	end,
})

if bankcraft then
   core.register_craft({
	 output = "emeraldbank:bank",
	 recipe = {
	    {"mcl_core:emerald", "mcl_core:emerald", "mcl_core:emerald"},
	    {"mcl_core:emerald", "mcl_core:ironblock", "mcl_core:emerald"},
	    {"mcl_core:emerald", "mcl_core:emerald", "mcl_core:emerald"},
	 }
   })
end



-- user /pay chat command
core.register_chatcommand("pay", {
  	params = "<player> <num>",
	description = S("Pay money to other player. Transfer your emeralds to another bank account."),
	func = function(name, param)
	   local player1 = core.get_player_by_name(name)
	   local playername2, stringnum = param:match("([^ ]+) (.+)")
	   local player2
	   local num = tonumber(stringnum)
	   if playername2 and num then
	      player2 = core.get_player_by_name(playername2)
	   end
	   if player2 and num then
	      local meta1 = player1:get_meta()
	      local meta2 = player2:get_meta()
	      local bankemeralds1 = meta1:get_int("emeraldbank:emerald")
	      local bankemeralds2 = meta2:get_int("emeraldbank:emerald")
	      if num > 0 then
		 if bankemeralds1 >= num then
		    meta1:set_int("emeraldbank:emerald", bankemeralds1-num)
		    meta2:set_int("emeraldbank:emerald", bankemeralds2+num)
		    core.chat_send_player(name, S("Pay Successfully! You have transferred @1 Emeralds. Now you have: @2", num, bankemeralds1-num) )
		    core.chat_send_player(playername2, S("Pay Successfully! You've gotten @1 Emeralds. Now you have: @2", num, bankemeralds2+num) )
		 else
		    core.chat_send_player(name, S("Not enough Emeralds in your account") )
		 end
	      else
		 core.chat_send_player(name, S("Invalid pay") )
	      end
	      return true
	   end
	   return false
	end
})

-- admin chat command
core.register_chatcommand("emeraldbank", {
  	params = "<player> <num>",
	description = S("Admin Command! Add player emeralds in bank account, also can use negative numbers"),
	privs = {server=true},		     
	func = function(name, param)
	   local playername, stringnum = param:match("([^ ]+) (.+)")
	   local player
	   local num = tonumber(stringnum)
	   if playername and num then
	      player = core.get_player_by_name(playername)
	   end
	   if player and num then
	      local meta = player:get_meta()
	      local bankemeralds = meta:get_int("emeraldbank:emerald")
	      meta:set_int("emeraldbank:emerald", bankemeralds+num)
	      core.chat_send_player(name, S("Emeralds in @1 bank account: @2", playername, bankemeralds+num) )
	      return true
	   end
	   return false
	end
})


-- income
if income_enabled then
   local timer = 0
   core.register_globalstep(
      function(dtime)
	 timer = timer + dtime;
	 if timer >= income_period then
	    timer = 0
	    for _, player in ipairs(core.get_connected_players()) do
	       if not player or player.is_fake_player then return end
	       local meta = player:get_meta()
	       local name = player:get_player_name()
	       local bankemeralds = meta:get_int("emeraldbank:emerald")
	       local bankgive = math.floor(bankemeralds^(1/3))
	       if bankgive > maxbankgive then bankgive = maxbankgive end
	       local earned = income_count+bankgive
	       local total = bankemeralds+earned
	       
	       meta:set_int("emeraldbank:emerald", total)
	       core.chat_send_player(name, S("You have earned @1 emeralds in your bank account!", earned) )
	    end
	 end
      end
   )
end