package emu.grasscutter.server.packet.recv;

import emu.grasscutter.game.world.Position;
import emu.grasscutter.game.world.Scene;
import emu.grasscutter.net.packet.Opcodes;
import emu.grasscutter.net.packet.PacketHandler;
import emu.grasscutter.net.packet.PacketOpcodes;
import emu.grasscutter.net.proto.HomeSceneJumpReqOuterClass;
import emu.grasscutter.server.game.GameSession;
import emu.grasscutter.server.packet.send.PacketHomeSceneJumpRsp;

@Opcodes(PacketOpcodes.HomeSceneJumpReq)
public class HandlerHomeSceneJumpReq extends PacketHandler {

    @Override
    public void handle(GameSession session, byte[] header, byte[] payload) throws Exception {
        var req = HomeSceneJumpReqOuterClass.HomeSceneJumpReq.parseFrom(payload);

        int realmId = 2000 + session.getPlayer().getCurrentRealmId();

        var home = session.getPlayer().getHome();
        var homeScene = home.getHomeSceneItem(realmId);
        home.save();

        Scene scene =
                session
                        .getPlayer()
                        .getWorld()
                        .getSceneById(req.getIsEnterRoomScene() ? homeScene.getRoomSceneId() : realmId);
        Position pos = scene.getScriptManager().getConfig().born_pos;
        Position rot = home.getSceneMap().get(scene.getId()).getBornRot();

        // Make player face correct direction when entering or exiting
        session.getPlayer().getRotation().set(rot);

        // Make player exit to front of main house
        if (!req.getIsEnterRoomScene()) {
            pos = home.getSceneMap().get(realmId).getBornPos();
        }

        session
                .getPlayer()
                .getWorld()
                .transferPlayerToScene(
                        session.getPlayer(),
                        req.getIsEnterRoomScene() ? homeScene.getRoomSceneId() : realmId,
                        pos);

        session.send(new PacketHomeSceneJumpRsp(req.getIsEnterRoomScene()));
    }
}