package net.shadowfacts.phycon.block.redstone_emitter

import net.fabricmc.fabric.api.screenhandler.v1.ExtendedScreenHandlerFactory
import net.minecraft.block.BlockState
import net.minecraft.block.Material
import net.minecraft.entity.player.PlayerEntity
import net.minecraft.entity.player.PlayerInventory
import net.minecraft.network.PacketByteBuf
import net.minecraft.screen.ScreenHandler
import net.minecraft.server.network.ServerPlayerEntity
import net.minecraft.sound.BlockSoundGroup
import net.minecraft.text.Text
import net.minecraft.util.ActionResult
import net.minecraft.util.Hand
import net.minecraft.util.Identifier
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.shadowfacts.phycon.PhysicalConnectivity
import net.shadowfacts.phycon.block.FaceDeviceBlock

/**
 * @author shadowfacts
 */
class RedstoneEmitterBlock: FaceDeviceBlock<RedstoneEmitterBlockEntity>(
	Settings.of(Material.METAL)
		.strength(1.5f)
		.sounds(BlockSoundGroup.METAL)
) {

	companion object {
		val ID = Identifier(PhysicalConnectivity.MODID, "redstone_emitter")
	}

	// todo: don't just copy the redstone controller
	override val faceThickness = 3.0
	override val faceShapes = mapOf(
		Direction.DOWN to createCuboidShape(0.0, 0.0, 0.0, 16.0, 3.0, 16.0),
		Direction.UP to createCuboidShape(0.0, 13.0, 0.0, 16.0, 16.0, 16.0),
		Direction.NORTH to createCuboidShape(0.0, 0.0, 0.0, 16.0, 16.0, 3.0),
		Direction.SOUTH to createCuboidShape(0.0, 0.0, 13.0, 16.0, 16.0, 16.0),
		Direction.WEST to createCuboidShape(0.0, 0.0, 0.0, 3.0, 16.0, 16.0),
		Direction.EAST to createCuboidShape(13.0, 0.0, 0.0, 16.0, 16.0, 16.0)
	)

	override fun createBlockEntity(pos: BlockPos, state: BlockState) = RedstoneEmitterBlockEntity(pos, state)

	override fun emitsRedstonePower(state: BlockState): Boolean {
		return true
	}

	override fun getStrongRedstonePower(state: BlockState, world: BlockView, pos: BlockPos, receivingSide: Direction): Int {
		return if (receivingSide.opposite == state[FACING]) {
			getBlockEntity(world, pos)!!.cachedEmittedPower
		} else {
			0
		}
	}

	override fun getWeakRedstonePower(state: BlockState, world: BlockView, pos: BlockPos, receivingSide: Direction): Int {
		return getStrongRedstonePower(state, world, pos, receivingSide)
	}

	override fun onUse(state: BlockState, world: World, pos: BlockPos, player: PlayerEntity, hand: Hand, result: BlockHitResult): ActionResult {
		if (!world.isClient) {
			val be = getBlockEntity(world, pos)!!

			be.markUpdate()

			val factory = object: ExtendedScreenHandlerFactory {
				override fun createMenu(syncId: Int, playerInv: PlayerInventory, player: PlayerEntity): ScreenHandler {
					return RedstoneEmitterScreenHandler(syncId, playerInv, be)
				}

				override fun getDisplayName() = this@RedstoneEmitterBlock.name

				override fun writeScreenOpeningData(player: ServerPlayerEntity, buf: PacketByteBuf) {
					buf.writeBlockPos(be.pos)
				}
			}
			player.openHandledScreen(factory)
		}
		return ActionResult.SUCCESS
	}

}