package com.eloraam.redpower.machine;

import java.util.Iterator;

import com.eloraam.redpower.core.BluePowerConductor;
import com.eloraam.redpower.core.BluePowerEndpoint;
import com.eloraam.redpower.core.CoreLib;
import com.eloraam.redpower.core.IBluePowerConnectable;
import com.eloraam.redpower.core.ITubeConnectable;
import com.eloraam.redpower.core.ITubeFlow;
import com.eloraam.redpower.core.RedPowerLib;
import com.eloraam.redpower.core.TubeFlow;
import com.eloraam.redpower.core.TubeItem;
import com.eloraam.redpower.core.WorldCoord;
import net.minecraft.block.Block;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;

public class TileAccel
    extends TileMachinePanel implements IBluePowerConnectable, ITubeFlow {
    TubeFlow flow = new TubeFlow() {
        @Override
        public TileEntity getParent() {
            return TileAccel.this;
        }

        @Override
        public boolean schedule(TubeItem item, TubeFlow.TubeScheduleContext context) {
            item.scheduled = true;
            item.progress = 0;
            item.side = (byte) (item.side ^ 1);
            TileAccel.this.recache();
            item.power = 0;
            if ((item.side == TileAccel.super.Rotation
                     && (TileAccel.this.conCache & 2) > 0
                 || item.side == (TileAccel.super.Rotation ^ 1)
                     && (TileAccel.this.conCache & 8) > 0)
                && TileAccel.this.cond.getVoltage() >= 60.0) {
                TileAccel.this.cond.drawPower((double) (100 * item.item.stackSize));
                item.power = 255;
            }

            return true;
        }
    };
    BluePowerEndpoint cond = new BluePowerEndpoint() {
        @Override
        public TileEntity getParent() {
            return TileAccel.this;
        }
    };
    public int ConMask = -1;
    public int conCache = -1;

    @Override
    public int getTubeConnectableSides() {
        return 3 << (super.Rotation & 6);
    }

    @Override
    public int getTubeConClass() {
        return 17;
    }

    @Override
    public boolean canRouteItems() {
        return true;
    }

    @Override
    public boolean tubeItemEnter(int side, int state, TubeItem item) {
        if (state != 0) {
            return false;
        } else if (side != super.Rotation && side != (super.Rotation ^ 1)) {
            return false;
        } else {
            item.side = (byte) side;
            this.flow.add(item);
            this.markDirty();
            return true;
        }
    }

    @Override
    public boolean tubeItemCanEnter(int side, int state, TubeItem item) {
        return state == 0;
    }

    @Override
    public int tubeWeight(int side, int state) {
        return 0;
    }

    @Override
    public void addTubeItem(TubeItem ti) {
        ti.side = (byte) (ti.side ^ 1);
        this.flow.add(ti);
        this.markDirty();
    }

    @Override
    public TubeFlow getTubeFlow() {
        return this.flow;
    }

    @Override
    public int getPartMaxRotation(int part, boolean sec) {
        return sec ? 0 : 5;
    }

    @Override
    public int getLightValue() {
        return super.Charged ? 6 : 0;
    }

    public void recache() {
        if (this.conCache < 0) {
            WorldCoord wc = new WorldCoord(this);
            ITubeConnectable fw = CoreLib.getTileEntity(
                super.worldObj, wc.coordStep(super.Rotation), ITubeConnectable.class
            );
            ITubeConnectable bw = CoreLib.getTileEntity(
                super.worldObj, wc.coordStep(super.Rotation ^ 1), ITubeConnectable.class
            );
            this.conCache = 0;
            if (fw != null) {
                int mcl = fw.getTubeConClass();
                if (mcl < 17) {
                    this.conCache |= 1;
                } else if (mcl >= 17) {
                    this.conCache |= 2;
                }
            }

            if (bw != null) {
                int mcl = bw.getTubeConClass();
                if (mcl < 17) {
                    this.conCache |= 4;
                } else if (mcl >= 17) {
                    this.conCache |= 8;
                }
            }
        }
    }

    @Override
    public int getConnectableMask() {
        return 1073741823;
    }

    @Override
    public int getConnectClass(int side) {
        return 65;
    }

    @Override
    public int getCornerPowerMode() {
        return 0;
    }

    @Override
    public BluePowerConductor getBlueConductor(int side) {
        return this.cond;
    }

    @Override
    public void onHarvestPart(EntityPlayer player, int part, boolean willHarvest) {
        this.flow.onRemove();
        this.breakBlock(willHarvest);
    }

    @Override
    public int getExtendedID() {
        return 2;
    }

    @Override
    public void updateEntity() {
        super.updateEntity();

        if (this.flow.update()) {
            if (!super.worldObj.isRemote) {
                this.markForUpdate();
            }

            this.markDirty();
        }

        if (!super.worldObj.isRemote) {
            if (this.ConMask < 0) {
                this.ConMask = RedPowerLib.getConnections(
                    super.worldObj, this, super.xCoord, super.yCoord, super.zCoord
                );
                this.cond.recache(this.ConMask, 0);
            }

            this.cond.iterate();
            this.markDirty();
            if (this.cond.Flow == 0) {
                if (super.Charged) {
                    super.Charged = false;
                    this.updateBlock();
                    this.updateLight();
                }
            } else if (!super.Charged) {
                super.Charged = true;
                this.updateBlock();
                this.updateLight();
            }
        }
    }

    @Override
    public void onBlockPlaced(ItemStack ist, int side, EntityLivingBase ent) {
        super.Rotation = this.getFacing(ent);
        RedPowerLib.updateIndirectNeighbors(
            super.worldObj, super.xCoord, super.yCoord, super.zCoord, super.blockType
        );
        if (ent instanceof EntityPlayer) {
            super.Owner = ((EntityPlayer) ent).getGameProfile();
        }
    }

    @Override
    public void onBlockNeighborChange(Block block) {
        this.ConMask = -1;
        this.conCache = -1;
        this.updateBlock();
    }

    @Override
    public void readFromNBT(NBTTagCompound data) {
        super.readFromNBT(data);
        this.cond.readFromNBT(data);
        this.flow.readFromNBT(data);
    }

    @Override
    public void writeToNBT(NBTTagCompound data) {
        super.writeToNBT(data);
        this.cond.writeToNBT(data);
        this.flow.writeToNBT(data);
    }

    @Override
    protected void writeToPacket(NBTTagCompound data) {
        super.writeToPacket(data);
        data.setInteger("cc", this.conCache);
        data.setBoolean("po", this.powered);

        int cs = this.flow.contents.size();
        if (cs > 6) {
            cs = 6;
        }

        data.setInteger("cs", cs);
        Iterator<TubeItem> tii = this.flow.contents.iterator();

        for (int i = 0; i < cs; ++i) {
            TubeItem ti = (TubeItem) tii.next();
            NBTTagCompound itag = new NBTTagCompound();
            ti.writeToPacket(itag);
            data.setTag("cs" + i, itag);
        }
    }

    @Override
    protected void readFromPacket(NBTTagCompound data) {
        super.readFromPacket(data);
        this.conCache = data.getInteger("cc");
        this.powered = data.getBoolean("p");

        this.flow.contents.clear();
        int cs = data.getInteger("cs");

        for (int i = 0; i < cs; ++i) {
            this.flow.contents.add(TubeItem.newFromPacket(data.getCompoundTag("cs" + i)));
        }
    }
}