PhysicalConnectivity/src/main/kotlin/net/shadowfacts/phycon/block/terminal/TerminalBlock.kt

package net.shadowfacts.phycon.block.terminal

import alexiil.mc.lib.attributes.AttributeList
import alexiil.mc.lib.attributes.AttributeProvider
import net.minecraft.block.Block
import net.minecraft.block.BlockState
import net.minecraft.block.Material
import net.minecraft.entity.player.PlayerEntity
import net.minecraft.item.ItemPlacementContext
import net.minecraft.item.ItemStack
import net.minecraft.server.world.ServerWorld
import net.minecraft.sound.BlockSoundGroup
import net.minecraft.state.StateManager
import net.minecraft.state.property.Properties
import net.minecraft.util.ActionResult
import net.minecraft.util.Hand
import net.minecraft.util.Identifier
import net.minecraft.util.ItemScatterer
import net.minecraft.util.hit.BlockHitResult
import net.minecraft.util.math.BlockPos
import net.minecraft.util.math.Direction
import net.minecraft.world.BlockView
import net.minecraft.world.World
import net.minecraft.world.WorldAccess
import net.shadowfacts.phycon.PhysicalConnectivity
import net.shadowfacts.phycon.api.NetworkComponentBlock
import net.shadowfacts.phycon.block.DeviceBlock
import java.util.EnumSet

/**
 * @author shadowfacts
 */
class TerminalBlock: DeviceBlock<TerminalBlockEntity>(
	Settings.of(Material.METAL)
		.strength(1.5f)
		.sounds(BlockSoundGroup.METAL)
),
	NetworkComponentBlock,
	AttributeProvider {

	companion object {
		val ID = Identifier(PhysicalConnectivity.MODID, "terminal")
		val FACING = Properties.FACING
	}

	override fun getNetworkConnectedSides(state: BlockState, world: WorldAccess, pos: BlockPos): Collection<Direction> {
		val set = EnumSet.allOf(Direction::class.java)
		set.remove(state[FACING])
		return set
	}

	override fun appendProperties(builder: StateManager.Builder<Block, BlockState>) {
		super.appendProperties(builder)
		builder.add(FACING)
	}

	override fun getPlacementState(context: ItemPlacementContext): BlockState {
		return defaultState.with(FACING, context.playerLookDirection.opposite)
	}

	override fun createBlockEntity(world: BlockView) = TerminalBlockEntity()

	override fun onUse(state: BlockState, world: World, pos: BlockPos, player: PlayerEntity, hand: Hand, hitResult: BlockHitResult): ActionResult {
		getBlockEntity(world, pos)!!.onActivate(player)
		return ActionResult.SUCCESS
	}

	override fun onStateReplaced(state: BlockState, world: World, pos: BlockPos, newState: BlockState, moved: Boolean) {
		if (!state.isOf(newState.block)) {
			val be = getBlockEntity(world, pos)!!
			ItemScatterer.spawn(world, pos, be.internalBuffer)

			super.onStateReplaced(state, world, pos, newState, moved)
		}
	}

	override fun addAllAttributes(world: World, pos: BlockPos, state: BlockState, to: AttributeList<*>) {
		to.offer(getBlockEntity(world, pos))
	}
}