package resonantinduction.atomic.process.sensor;

import java.util.ArrayList;

import li.cil.oc.api.network.Arguments;
import li.cil.oc.api.network.Callback;
import li.cil.oc.api.network.Context;
import li.cil.oc.api.network.SimpleComponent;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IconRegister;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.network.packet.Packet;
import net.minecraft.util.Icon;
import net.minecraft.world.IBlockAccess;
import resonant.lib.content.module.TileBase;
import resonant.lib.network.PacketHandler;
import resonant.lib.network.Synced;
import resonant.lib.prefab.item.ItemBlockSaved;
import resonant.lib.thermal.ThermalGrid;
import resonant.lib.utility.inventory.InventoryUtility;
import resonantinduction.core.Reference;
import resonantinduction.core.ResonantInduction;
import universalelectricity.api.vector.Vector3;
import universalelectricity.api.vector.VectorWorld;
import cpw.mods.fml.common.Optional;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import dan200.computercraft.api.lua.ILuaContext;
import dan200.computercraft.api.peripheral.IComputerAccess;
import dan200.computercraft.api.peripheral.IPeripheral;

/** Thermometer TileEntity */
@Optional.Interface(iface = "li.cil.oc.api.network.SimpleComponent", modid = "OpenComputers")
public class TileThermometer extends TileBase implements IPeripheral, SimpleComponent
{
    public static final int MAX_THRESHOLD = 5000;
    private static Icon iconSide;

    @Synced
    public float detectedTemperature = 295;

    @Synced
    public float previousDetectedTemperature = 295;

    @Synced
    public Vector3 trackCoordinate;

    @Synced
    private int threshold = 1000;

    @Synced
    private boolean isProvidingPower = false;

    public TileThermometer()
    {
        super(Material.piston);
        canProvidePower = true;
        normalRender = false;
        forceStandardRender = true;
        itemBlock = ItemBlockThermometer.class;
    }

    @Override
    public Icon getIcon(int side, int meta)
    {
        return side == 1 || side == 0 ? super.getIcon(side, meta) : iconSide;
    }

    @SideOnly(Side.CLIENT)
    @Override
    public void registerIcons(IconRegister iconRegister)
    {
        super.registerIcons(iconRegister);
        iconSide = iconRegister.registerIcon(Reference.PREFIX + "machine");
    }

    @Override
    protected boolean use(EntityPlayer player, int side, Vector3 hit)
    {
        if (player.isSneaking())
        {
            setThreshold(getThershold() + 100);
        }
        else
        {
            setThreshold(getThershold() - 100);
        }

        return true;
    }

    @Override
    protected boolean configure(EntityPlayer player, int side, Vector3 hit)
    {
        if (player.isSneaking())
        {
            setThreshold(getThershold() - 10);
        }
        else
        {
            setThreshold(getThershold() + 10);
        }
        return true;
    }

    @Override
    public int getStrongRedstonePower(IBlockAccess access, int side)
    {
        return isProvidingPower ? 15 : 0;
    }

    @Override
    public ArrayList<ItemStack> getDrops(int metadata, int fortune)
    {
        return new ArrayList<ItemStack>();
    }

    @Override
    public void onRemove(int par5, int par6)
    {
        ItemStack stack = ItemBlockSaved.getItemStackWithNBT(getBlockType(), world(), x(), y(), z());
        InventoryUtility.dropItemStack(world(), center(), stack);
    }

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

        // Server only operation.
        if (!worldObj.isRemote)
        {
            // Every ten ticks.
            if (ticks % 10 == 0)
            {
                // Grab temperature from target or from ourselves.
                if (trackCoordinate != null)
                {
                    detectedTemperature = ThermalGrid.getTemperature(new VectorWorld(world(), trackCoordinate));
                }
                else
                {
                    detectedTemperature = ThermalGrid.getTemperature(new VectorWorld(this));
                }

                // Send update packet if temperature is different or over temperature threshold.
                if (detectedTemperature != previousDetectedTemperature || isProvidingPower != this.isOverThreshold())
                {
                    previousDetectedTemperature = detectedTemperature;
                    isProvidingPower = isOverThreshold();
                    notifyChange();
                    PacketHandler.sendPacketToClients(getDescriptionPacket(), this.worldObj, new Vector3(this), 25);
                }
            }
        }
    }

    @Override
    public Packet getDescriptionPacket()
    {
        return ResonantInduction.PACKET_ANNOTATION.getPacket(this);
    }

    public void setTrack(Vector3 track)
    {
        trackCoordinate = track;
    }

    /** Reads a tile entity from NBT. */
    @Override
    public void readFromNBT(NBTTagCompound nbt)
    {
        super.readFromNBT(nbt);
        threshold = nbt.getInteger("threshold");

        if (nbt.hasKey("trackCoordinate"))
        {
            trackCoordinate = new Vector3(nbt.getCompoundTag("trackCoordinate"));
        }
        else
        {
            trackCoordinate = null;
        }
    }

    /** Writes a tile entity to NBT. */
    @Override
    public void writeToNBT(NBTTagCompound nbt)
    {
        super.writeToNBT(nbt);
        nbt.setInteger("threshold", threshold);

        if (trackCoordinate != null)
        {
            nbt.setCompoundTag("trackCoordinate", this.trackCoordinate.writeToNBT(new NBTTagCompound()));
        }
    }

    public int getThershold()
    {
        return threshold;
    }

    public void setThreshold(int newThreshold)
    {
        threshold = newThreshold % MAX_THRESHOLD;

        if (threshold <= 0)
        {
            threshold = MAX_THRESHOLD;
        }

        markUpdate();
    }

    public boolean isOverThreshold()
    {
        return detectedTemperature >= getThershold();
    }

    /** ComputerCraft */
    @Override
    public String getType()
    {
        return "AS Thermometer";
    }

    @Override
    public String[] getMethodNames()
    {
        return new String[]
        { "getTemperature", "getWarningTemperature", "setWarningTemperature", "isAboveWarningTemperature" };
    }

    @Override
    public Object[] callMethod(IComputerAccess computer, ILuaContext context, int method, Object[] arguments) throws Exception
    {
        final int getTemperature = 0;
        final int getWarningTemperature = 1;
        final int setWarningTemperature = 2;
        final int isAboveWarningTemperature = 3;

        switch (method)
        {
        case getTemperature:
            return new Object[]
            { this.detectedTemperature };
        case getWarningTemperature:
            return new Object[]
            { this.getThershold() };
        case isAboveWarningTemperature:
            return new Object[]
            { this.isOverThreshold() };
        case setWarningTemperature:
        {
            if (arguments.length <= 0)
            {
                throw new IllegalArgumentException("Not enough Arguments. Must provide one argument");
            }
            if (arguments.length >= 2)
            {
                throw new IllegalArgumentException("Too many Arguments. Must provide one argument");
            }
            if (!(arguments[0] instanceof Number))
            {
                throw new IllegalArgumentException("Invalid Argument. Must provide a number");
            }
            synchronized (this)
            {
                this.setThreshold((Integer) arguments[0]);
            }
            return new Object[]
            { this.threshold == (Integer) arguments[0] };
        }
        default:
            return null;
        }
    }

    @Override
    public void attach(IComputerAccess computer)
    {
    }

    @Override
    public void detach(IComputerAccess computer)
    {
    }

    @Override
    public boolean equals(IPeripheral other)
    {
        return equals(this);
    }

    @Override
    public String getComponentName()
    {
        return "AS_Thermometer";
    }

    @Callback
    @Optional.Method(modid = "OpenComputers")
    public Object[] getTemperature(Context context, Arguments args)
    {
        return new Object[]
        { this.detectedTemperature };
    }

    @Callback
    @Optional.Method(modid = "OpenComputers")
    public Object[] getWarningTemperature(Context context, Arguments args)
    {
        return new Object[]
        { this.getThershold() };
    }

    @Callback
    @Optional.Method(modid = "OpenComputers")
    public Object[] isAboveWarningTemperature(Context context, Arguments args)
    {
        return new Object[]
        { this.isOverThreshold() };
    }

    @Callback
    @Optional.Method(modid = "OpenComputers")
    public Object[] setWarningTemperature(Context context, Arguments args)
    {
        if (args.count() <= 0)
        {
            throw new IllegalArgumentException("Not enough Arguments. Must provide one argument");
        }
        if (args.count() >= 2)
        {
            throw new IllegalArgumentException("Too many Arguments. Must provide one argument");
        }
        if (!(args.isInteger(0)))
        {
            throw new IllegalArgumentException("Invalid Argument. Must provide an Integer");
        }
        synchronized (this)
        {
            this.setThreshold(args.checkInteger(0));
        }
        return new Object[]
        { this.threshold == args.checkInteger(0) };
    }
}