import { BlockSettings, Identifier, Registry, BlockState, ActionResult, World, Pos, Hand, PlayerEntity, BlockItem, ItemSettings, CustomItem, Direction, LivingEntity, CustomBlockWithEntity, CustomBlockEntity, CompoundTag, NumberType } from 'minecraft';

console.log('hello');

class MyBlockEntity extends CustomBlockEntity {
    constructor() {
        super();
        this.ticks = 0;
    }

    toTag(tag) {
        tag.set('MyTicks', this.ticks, NumberType.INT);
        return tag;
    }

    fromTag(tag) {
        const obj = tag.get('MyTicks');
        if (typeof obj === 'number') {
            this.ticks = obj;
        } else {
            this.ticks = 0;
        }
    }

    tick() {
        this.ticks++;
        this.markDirty();
    }
}

class MyBlock extends CustomBlockWithEntity {
    constructor() {
        super(new BlockSettings('STONE', 'IRON'));
    }

    onUse(world, blockState, blockPos, side, player, hand) {
        const entity = world.getCustomBlockEntity(blockPos);
        if (entity instanceof MyBlockEntity) {
            console.log('Ticks: ' + entity.ticks);
        }
        world.setBlockState(blockPos.offset(side), BlockState.getDefaultState(new Identifier('minecraft:stone')));
        return ActionResult.SUCCESS;
    }

    createBlockEntity() {
        return new MyBlockEntity();
    }
}

Registry.register(Registry.BLOCK, new Identifier('modid', 'my_block'), new MyBlock());
Registry.register(Registry.ITEM, new Identifier('modid', 'my_block'), new BlockItem(new Identifier('modid', 'my_block'), new ItemSettings()));

class MyItem extends CustomItem {
    constructor() {
        super(new ItemSettings().setItemGroup('building_blocks').setMaxCount(128));
    }

    onUse(world, player, hand) {
        console.log('Item Use: Normal');
        return ActionResult.SUCCESS;
    }

    onUseOnBlock(world, blockPos, side, player, hand) {
        console.log('Item Use: Block ' + blockPos.toString());
        world.spawnEntity(new Identifier('minecraft:cow'), blockPos.offset(side).add(new Pos(0.5, 0, 0.5))).toString();
        return ActionResult.SUCCESS;
    }

    onUseOnEntity(player, target, hand) {
        console.log('Item Use: Entity ' + target.toTag().toString());
        console.log('Health: ' + target.toTag().get('Health').toString());
        return ActionResult.SUCCESS;
    }
}

Registry.register(Registry.ITEM, new Identifier('modid', 'my_item'), new MyItem());