package edx.quantum.machine.boiler

import edx.quantum.QuantumContent
import net.minecraft.entity.player.EntityPlayer
import net.minecraft.inventory.{IInventory, Slot}
import net.minecraft.item.ItemStack
import net.minecraftforge.fluids.FluidContainerRegistry
import resonantengine.prefab.gui.ContainerBase
import resonantengine.prefab.gui.slot.{SlotEnergyItem, SlotSpecific}

/**
 * Nuclear boiler container
 */
object ContainerNuclearBoiler
{
  private final val slotCount: Int = 4
}

class ContainerNuclearBoiler(player: EntityPlayer, tileEntity: TileNuclearBoiler) extends ContainerBase(player, tileEntity.asInstanceOf[IInventory])
{
  //Constructor
  this.addSlotToContainer(new SlotEnergyItem(tileEntity.asInstanceOf[IInventory], 0, 56, 26))
  this.addSlotToContainer(new Slot(tileEntity.asInstanceOf[IInventory], 1, 25, 50))
  this.addSlotToContainer(new Slot(tileEntity.asInstanceOf[IInventory], 2, 136, 50))
  this.addSlotToContainer(new SlotSpecific(tileEntity.asInstanceOf[IInventory], 3, 81, 26, new ItemStack(QuantumContent.itemYellowCake), new ItemStack(QuantumContent.blockUraniumOre)))
  this.addPlayerInventory(player)

  override def canInteractWith(par1EntityPlayer: EntityPlayer): Boolean =
  {
    return this.tileEntity.isUseableByPlayer(par1EntityPlayer)
  }

  /**
   * Called to transfer a stack from one inventory to the other eg. when shift clicking.
   */
  override def transferStackInSlot(par1EntityPlayer: EntityPlayer, slotID: Int): ItemStack =
  {
    var var2: ItemStack = null
    val slot: Slot = this.inventorySlots.get(slotID).asInstanceOf[Slot]
    if (slot != null && slot.getHasStack)
    {
      val itemStack: ItemStack = slot.getStack
      var2 = itemStack.copy
      if (slotID >= slotCount)
      {
        if (this.getSlot(0).isItemValid(itemStack))
        {
          if (!this.mergeItemStack(itemStack, 0, 1, false))
          {
            return null
          }
        }
        else if (QuantumContent.fluidStackWater.isFluidEqual(FluidContainerRegistry.getFluidForFilledItem(itemStack)))
        {
          if (!this.mergeItemStack(itemStack, 1, 2, false))
          {
            return null
          }
        }
        else if (this.getSlot(3).isItemValid(itemStack))
        {
          if (!this.mergeItemStack(itemStack, 3, 4, false))
          {
            return null
          }
        }
        else if (slotID < 27 + slotCount)
        {
          if (!this.mergeItemStack(itemStack, 27 + slotCount, 36 + slotCount, false))
          {
            return null
          }
        }
        else if (slotID >= 27 + slotCount && slotID < 36 + slotCount && !this.mergeItemStack(itemStack, 4, 30, false))
        {
          return null
        }
      }
      else if (!this.mergeItemStack(itemStack, slotCount, 36 + slotCount, false))
      {
        return null
      }
      if (itemStack.stackSize == 0)
      {
        slot.putStack(null.asInstanceOf[ItemStack])
      }
      else
      {
        slot.onSlotChanged
      }
      if (itemStack.stackSize == var2.stackSize)
      {
        return null
      }
      slot.onPickupFromSlot(par1EntityPlayer, itemStack)
    }
    return var2
  }
}