package com.vinlanx.explosionoverhaul;

import com.vinlanx.explosionoverhaul.api.IExplosionPower;
import com.vinlanx.explosionoverhaul.mixinhelper.ExplosionAccessor;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import net.minecraft.core.BlockPos;
import net.minecraft.core.particles.ParticleTypes;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.world.level.Explosion;
import net.minecraft.world.level.block.Blocks;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.phys.Vec3;

public class ServerExplosionHandler {
    public static void handleExplosion(ServerLevel level, Explosion explosion, List<BlockPos> affectedBlocks) {
        if (!((Boolean)Config.COMMON.enableCraterDestruction.get()).booleanValue()) {
            affectedBlocks.clear();
            return;
        }
        float power = 4.0f;
        if (explosion instanceof IExplosionPower explosionPower) {
            power = Math.max(1.0f, explosionPower.getPower());
        }
        Vec3 center = explosion instanceof ExplosionAccessor accessor ? accessor.explosionoverhaul$getCenter() : Vec3.ZERO;
        int radius = Math.max(5, Math.min(18, Math.round(power * 2.0f * ((Double)Config.COMMON.craterSizeMultiplier.get()).floatValue())));
        ExplosionOverhaul.LOGGER.info("Explosion Overhaul handling explosion at {} with power {} and radius {}", center, power, radius);
        Set<BlockPos> existing = new HashSet<>(affectedBlocks);
        BlockPos origin = BlockPos.containing(center);
        double radiusSq = radius * radius;
        int directBlocksChanged = 0;
        for (BlockPos pos : BlockPos.betweenClosed(origin.offset(-radius, -radius, -radius), origin.offset(radius, radius, radius))) {
            double distanceSq = pos.distToCenterSqr(center);
            if (distanceSq > radiusSq) {
                continue;
            }
            BlockState state = level.getBlockState(pos);
            if (state.isAir() || state.getDestroySpeed(level, pos) < 0.0f) {
                continue;
            }
            BlockPos immutable = pos.immutable();
            if (existing.add(immutable)) {
                affectedBlocks.add(immutable);
            }
            if (directBlocksChanged < 2500) {
                level.setBlock(immutable, Blocks.AIR.defaultBlockState(), 3);
                ++directBlocksChanged;
            }
        }
        level.sendParticles(ParticleTypes.EXPLOSION_EMITTER, center.x(), center.y(), center.z(), Math.max(2, radius / 3), 0.5, 0.5, 0.5, 0.0);
        level.sendParticles(ParticleTypes.LARGE_SMOKE, center.x(), center.y(), center.z(), radius * 8, radius * 0.35, radius * 0.25, radius * 0.35, 0.08);
        level.sendParticles(ParticleTypes.FLAME, center.x(), center.y(), center.z(), radius * 4, radius * 0.25, radius * 0.2, radius * 0.25, 0.05);
    }

    public static void register() {
    }

    public record CameraShakeProfile(float intensity, int durationTicks, float pushIntensity) {
    }
}