PhysicalConnectivity/src/main/kotlin/net/shadowfacts/phycon/item/ScrewdriverItem.kt

package net.shadowfacts.phycon.item

import net.minecraft.block.Blocks
import net.minecraft.entity.ItemEntity
import net.minecraft.item.Item
import net.minecraft.item.ItemStack
import net.minecraft.item.ItemUsageContext
import net.minecraft.sound.SoundCategory
import net.minecraft.sound.SoundEvents
import net.minecraft.util.ActionResult
import net.minecraft.util.Identifier
import net.minecraft.util.math.Vec3d
import net.shadowfacts.phycon.PhysicalConnectivity
import net.shadowfacts.phycon.block.DeviceBlock
import net.shadowfacts.phycon.block.FaceDeviceBlock
import net.shadowfacts.phycon.init.PhyBlocks
import net.shadowfacts.phycon.util.containsInclusive

/**
 * @author shadowfacts
 */
class ScrewdriverItem: Item(Settings()) {
	companion object {
		val ID = Identifier(PhysicalConnectivity.MODID, "screwdriver")
	}

	override fun useOnBlock(context: ItemUsageContext): ActionResult {
		val state = context.world.getBlockState(context.blockPos)
		val block = state.block
		if (block is DeviceBlock<*>) {
			if (!context.world.isClient) {
				val be = block.getBlockEntity(context.world, context.blockPos)!!

				val stack = ItemStack(block)
				val beTag = stack.getOrCreateSubTag("BlockEntityTag")
				be.toTag(beTag)
				// remove x, y, z entries for stacking purposes
				beTag.remove("x")
				beTag.remove("y")
				beTag.remove("z")

				if (block === PhyBlocks.TERMINAL) {
					// remove the terminal's internal buffer since it drops its items
					beTag.remove("InternalBuffer")
				}

				val entity = ItemEntity(context.world, context.blockPos.x.toDouble(), context.blockPos.y.toDouble(), context.blockPos.z.toDouble(), stack)
				context.world.spawnEntity(entity)

				var newState = Blocks.AIR.defaultState

				if (block is FaceDeviceBlock<*>) {
					val hitInsideBlock = Vec3d(context.hitPos.x - context.blockPos.x, context.hitPos.y - context.blockPos.y, context.hitPos.z - context.blockPos.z)
					val faceShape = block.faceShapes[state[FaceDeviceBlock.FACING]]!!
					// if we hit the face part of block, leave the cable behind
					if (faceShape.boundingBox.containsInclusive(hitInsideBlock)) {
						newState = PhyBlocks.CABLE.getInitialState(context.world, context.blockPos)
					} else {
						val cable = ItemEntity(context.world, context.blockPos.x.toDouble(), context.blockPos.y.toDouble(), context.blockPos.z.toDouble(), ItemStack(PhyBlocks.CABLE))
						context.world.spawnEntity(cable)
					}
				}

				context.world.setBlockState(context.blockPos, newState, 3, 512)
			}

			context.world.playSound(context.player, context.blockPos, SoundEvents.BLOCK_METAL_PLACE, SoundCategory.BLOCKS, 0.8f, 0.65f)

			return ActionResult.SUCCESS
		} else {
			return ActionResult.PASS
		}
	}
}