package edx.mechanical.fluid.transport

import edx.core.Reference
import edx.mechanical.mech.TileMechanical
import net.minecraft.block.material.Material
import net.minecraft.util.ResourceLocation
import net.minecraftforge.client.model.AdvancedModelLoader
import net.minecraftforge.common.util.ForgeDirection
import net.minecraftforge.fluids.{Fluid, FluidStack, FluidTankInfo, IFluidHandler}
import org.lwjgl.opengl.GL11
import resonantengine.api.tile.IRotatable
import resonantengine.lib.render.RenderUtility
import resonantengine.lib.transform.vector.Vector3

import scala.collection.mutable

object TilePump
{
  val model = AdvancedModelLoader.loadModel(new ResourceLocation(Reference.domain, Reference.modelPath + "pump.tcn"))
  val texture = new ResourceLocation(Reference.domain, Reference.modelPath + "pump.png")
}

class TilePump extends TileMechanical(Material.iron) with IRotatable with IFluidHandler
{
  val pressureNode = new NodePump(this)

  //Constructor
  normalRender = false
  isOpaqueCube = false
  setTextureName("material_steel")

  nodes.add(pressureNode)

  override def update()
  {
    super.update()

    if (!worldObj.isRemote && mechanicalNode.power > 0)
    {
      //Push fluid inside this block to its front
      //TODO: Allow change of direction based on angular velocity
      val drain = pressureNode.drain(getDirection, pressureNode.getCapacity, false)

      if (drain != null)
      {
        pressureNode.drain(getDirection, fill(getDirection.getOpposite, drain, true), true)
      }

      pressureNode.maxFlowRate = Math.abs(mechanicalNode.angularVelocity * 2000).toInt
    }
  }

  def fill(from: ForgeDirection, resource: FluidStack, doFill: Boolean): Int =
  {
    if (from == getDirection.getOpposite)
    {
      val tileOut = (toVectorWorld + from.getOpposite).getTileEntity
      if (tileOut.isInstanceOf[IFluidHandler])
        return (tileOut.asInstanceOf[IFluidHandler]).fill(from, resource, doFill)
    }
    return 0
  }

  override def renderDynamic(pos: Vector3, frame: Float, pass: Int): Unit =
  {
    GL11.glPushMatrix()
    GL11.glTranslated(pos.x + 0.5, pos.y + 0.5, pos.z + 0.5)
    GL11.glRotatef(-90, 0, 1, 0)
    if (tile.getWorldObj != null) RenderUtility.rotateBlockBasedOnDirection(getDirection)
    RenderUtility.bind(TilePump.texture)
    val notRendered = mutable.Set.empty[String]

    GL11.glPushMatrix()
    GL11.glRotated(Math.toDegrees(mechanicalNode.angle), 0, 0, 1)

    for (i <- 1 to 12)
    {
      val fin: String = "fin" + i
      val innerFin: String = "innerFin" + i
      notRendered.add(fin)
      notRendered.add(innerFin)
      TilePump.model.renderOnly(fin, innerFin)
    }

    GL11.glPopMatrix()
    TilePump.model.renderAllExcept(notRendered.toArray[String]: _*)
    GL11.glPopMatrix()
  }

  def drain(from: ForgeDirection, resource: FluidStack, doDrain: Boolean): FluidStack = null

  def drain(from: ForgeDirection, maxDrain: Int, doDrain: Boolean): FluidStack = null

  def canFill(from: ForgeDirection, fluid: Fluid): Boolean = from == getDirection.getOpposite

  def canDrain(from: ForgeDirection, fluid: Fluid): Boolean = from == getDirection

  def getTankInfo(from: ForgeDirection): Array[FluidTankInfo] = null
}