content: package emu.grasscutter.server.packet.send;
  
  import emu.grasscutter.Grasscutter;
  import emu.grasscutter.game.mail.Mail;
  import emu.grasscutter.game.player.Player;
  import emu.grasscutter.net.packet.BasePacket;
  import emu.grasscutter.net.packet.PacketOpcodes;
  import emu.grasscutter.net.proto.EquipParamOuterClass;
  import emu.grasscutter.net.proto.GetAllMailRspOuterClass.GetAllMailRsp;
  import emu.grasscutter.net.proto.ItemParamOuterClass;
  import emu.grasscutter.net.proto.MailDataOuterClass;
  import emu.grasscutter.net.proto.MailDataOuterClass.MailData;
  import emu.grasscutter.net.proto.MailItemOuterClass;
  import emu.grasscutter.net.proto.MailTextContentOuterClass.MailTextContent;
  
  import java.time.Instant;
  import java.util.ArrayList;
  import java.util.List;
  
  public class PacketGetAllMailRsp extends BasePacket {
  
      public PacketGetAllMailRsp(Player player, boolean isGiftMail) {
          super(PacketOpcodes.GetAllMailRsp);
          GetAllMailRsp.Builder proto = GetAllMailRsp.newBuilder();
  
          if (isGiftMail) {
              proto.setIsCollected(true);
          } else {
              proto.setIsCollected(false);
  
              if (player.getAllMail().size() != 0) { // Make sure the player has mail
                  List<MailData> mailDataList = new ArrayList<MailData>();
  
                  for (Mail message : player.getAllMail()) {
                      if (message.stateValue == 1) { // Make sure it isn't a gift
                          if (message.expireTime > (int) Instant.now().getEpochSecond()) { // Make sure the message isn't expired (The game won't show expired mail, but I don't want to send unnecessary information).
                              if (mailDataList.size() <= 1000) { // Make sure that there isn't over 1000 messages in the mailbox. (idk what will happen if there is but the game probably won't like it.)
                                  MailTextContent.Builder mailTextContent = MailTextContent.newBuilder();
                                  mailTextContent.setTitle(message.mailContent.title);
                                  mailTextContent.setContent(message.mailContent.content);
                                  mailTextContent.setSender(message.mailContent.sender);
  
                                  List<MailItemOuterClass.MailItem> mailItems = new ArrayList<>();
  
                                  for (Mail.MailItem item : message.itemList) {
                                      MailItemOuterClass.MailItem.Builder mailItem = MailItemOuterClass.MailItem.newBuilder();
                                      EquipParamOuterClass.EquipParam.Builder itemParam = EquipParamOuterClass.EquipParam.newBuilder();
                                      itemParam.setItemId(item.itemId);
                                      itemParam.setItemNum(item.itemCount);
                                      mailItem.setEquipParam(itemParam.build());
  
                                      mailItems.add(mailItem.build());
                                  }
  
                                  MailDataOuterClass.MailData.Builder mailData = MailDataOuterClass.MailData.newBuilder();
                                  mailData.setMailId(player.getMailId(message));
                                  mailData.setMailTextContent(mailTextContent.build());
                                  mailData.addAllItemList(mailItems);
                                  mailData.setSendTime((int) message.sendTime);
                                  mailData.setExpireTime((int) message.expireTime);
                                  mailData.setImportance(message.importance);
                                  mailData.setIsRead(message.isRead);
                                  mailData.setIsAttachmentGot(message.isAttachmentGot);
                                  mailData.setCollectStateValue(1);
  
                                  mailDataList.add(mailData.build());
                              }
                          }
                      }
                  }
  
                  proto.addAllMailList(mailDataList);
                  proto.setIsTruncated(mailDataList.size() > 1000); // When enabled this will send a notification to the user telling them their inbox is full and they should delete old messages when opening the mailbox.
              }
          }
          this.setData(proto.build());
      }
  }
  