zhibo/android-app/app/src/main/java/com/example/livestreaming/ChatMessage.java

package com.example.livestreaming;

import com.example.livestreaming.net.MessageReaction;

import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

public class ChatMessage {
    public enum MessageStatus {
        SENDING,    // 发送中
        SENT,      // 已发送
        READ       // 已读
    }

    public enum MessageType {
        TEXT,      // 文本消息
        IMAGE,     // 图片消息
        VOICE,     // 语音消息
        BURN_IMAGE
    }

    private String messageId;
    private String username;
    private String message;  // 文本消息内容
    private long timestamp;
    private boolean isSystemMessage;
    private boolean isGiftMessage;  // 是否是礼物消息
    private boolean isOutgoing;     // 是否是自己发送的消息
    private MessageStatus status;
    private String avatarUrl; // 发送者头像 URL，后续从后端获取
    
    // 新增字段：消息类型和媒体相关
    private MessageType messageType;  // 消息类型
    private String mediaUrl;          // 图片/语音的 URL（从后端获取）
    private String localMediaPath;    // 本地图片/语音路径（发送前使用）
    private int voiceDuration;        // 语音时长（秒）
    private int imageWidth;           // 图片宽度
    private int imageHeight;          // 图片高度

    private Integer burnSeconds;
    private Long viewedAt;
    private Long burnAt;
    private Boolean burned;

    // 表情回应相关字段
    private List<MessageReaction> reactions;  // 表情回应列表

    // 文本消息构造函数
    public ChatMessage(String username, String message) {
        this.messageId = UUID.randomUUID().toString();
        this.username = username;
        this.message = message;
        this.timestamp = System.currentTimeMillis();
        this.isSystemMessage = false;
        this.isGiftMessage = false;
        this.messageType = MessageType.TEXT;
        // 如果是自己发送的消息，初始状态为发送中
        this.isOutgoing = "我".equals(username);
        this.status = this.isOutgoing ? MessageStatus.SENDING : MessageStatus.SENT;
    }

    // 系统消息构造函数
    public ChatMessage(String message, boolean isSystemMessage) {
        this.messageId = UUID.randomUUID().toString();
        this.message = message;
        this.timestamp = System.currentTimeMillis();
        this.isSystemMessage = isSystemMessage;
        this.isGiftMessage = false;
        this.username = isSystemMessage ? "系统" : "匿名用户";
        this.status = MessageStatus.SENT; // 系统消息默认已发送
        this.messageType = MessageType.TEXT;
    }

    // 礼物消息构造函数
    public ChatMessage(String username, String message, boolean isGiftMessage) {
        this.messageId = UUID.randomUUID().toString();
        this.username = username;
        this.message = message;
        this.timestamp = System.currentTimeMillis();
        this.isSystemMessage = false;
        this.isGiftMessage = isGiftMessage;
        this.messageType = MessageType.TEXT;
        this.status = MessageStatus.SENT;
    }

    // 完整构造函数（从后端数据构造）
    public ChatMessage(String messageId, String username, String message, long timestamp, 
                      boolean isSystemMessage, MessageStatus status) {
        this.messageId = messageId;
        this.username = username;
        this.message = message;
        this.timestamp = timestamp;
        this.isSystemMessage = isSystemMessage;
        this.status = status;
        this.messageType = MessageType.TEXT;
        this.isOutgoing = "我".equals(username);
    }

    // 完整构造函数（从后端数据构造，带 isOutgoing 参数）
    public ChatMessage(String messageId, String username, String message, long timestamp, 
                      boolean isSystemMessage, MessageStatus status, boolean isOutgoing) {
        this.messageId = messageId;
        this.username = username;
        this.message = message;
        this.timestamp = timestamp;
        this.isSystemMessage = isSystemMessage;
        this.status = status;
        this.messageType = MessageType.TEXT;
        this.isOutgoing = isOutgoing;
    }

    // 图片消息构造函数
    public static ChatMessage createImageMessage(String username, String localPath) {
        ChatMessage msg = new ChatMessage(username, "");
        msg.messageType = MessageType.IMAGE;
        msg.localMediaPath = localPath;
        msg.status = "我".equals(username) ? MessageStatus.SENDING : MessageStatus.SENT;
        return msg;
    }

    // 语音消息构造函数
    public static ChatMessage createVoiceMessage(String username, String localPath, int duration) {
        ChatMessage msg = new ChatMessage(username, "");
        msg.messageType = MessageType.VOICE;
        msg.localMediaPath = localPath;
        msg.voiceDuration = duration;
        msg.status = "我".equals(username) ? MessageStatus.SENDING : MessageStatus.SENT;
        return msg;
    }

    public static ChatMessage createBurnImageMessage(String username, String localPath, Integer burnSeconds) {
        ChatMessage msg = new ChatMessage(username, "");
        msg.messageType = MessageType.BURN_IMAGE;
        msg.localMediaPath = localPath;
        msg.burnSeconds = burnSeconds;
        msg.burned = false;
        msg.status = "我".equals(username) ? MessageStatus.SENDING : MessageStatus.SENT;
        return msg;
    }

    // Getters and Setters
    public String getMessageId() {
        return messageId;
    }

    public void setMessageId(String messageId) {
        this.messageId = messageId;
    }

    public String getUsername() {
        return username;
    }

    public String getMessage() {
        return message;
    }

    public long getTimestamp() {
        return timestamp;
    }

    public boolean isSystemMessage() {
        return isSystemMessage;
    }

    public boolean isGiftMessage() {
        return isGiftMessage;
    }

    public void setGiftMessage(boolean giftMessage) {
        isGiftMessage = giftMessage;
    }

    public boolean isOutgoing() {
        return isOutgoing;
    }

    public void setOutgoing(boolean outgoing) {
        isOutgoing = outgoing;
    }

    public MessageStatus getStatus() {
        return status;
    }

    public void setStatus(MessageStatus status) {
        this.status = status;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public void setMessage(String message) {
        this.message = message;
    }

    public void setTimestamp(long timestamp) {
        this.timestamp = timestamp;
    }

    public void setSystemMessage(boolean systemMessage) {
        isSystemMessage = systemMessage;
    }

    public String getAvatarUrl() {
        return avatarUrl;
    }

    public void setAvatarUrl(String avatarUrl) {
        this.avatarUrl = avatarUrl;
    }

    public MessageType getMessageType() {
        return messageType;
    }

    public void setMessageType(MessageType messageType) {
        this.messageType = messageType;
    }

    public String getMediaUrl() {
        return mediaUrl;
    }

    public void setMediaUrl(String mediaUrl) {
        this.mediaUrl = mediaUrl;
    }

    public String getLocalMediaPath() {
        return localMediaPath;
    }

    public void setLocalMediaPath(String localMediaPath) {
        this.localMediaPath = localMediaPath;
    }

    public int getVoiceDuration() {
        return voiceDuration;
    }

    public void setVoiceDuration(int voiceDuration) {
        this.voiceDuration = voiceDuration;
    }

    public int getImageWidth() {
        return imageWidth;
    }

    public void setImageWidth(int imageWidth) {
        this.imageWidth = imageWidth;
    }

    public int getImageHeight() {
        return imageHeight;
    }

    public void setImageHeight(int imageHeight) {
        this.imageHeight = imageHeight;
    }

    public Integer getBurnSeconds() {
        return burnSeconds;
    }

    public void setBurnSeconds(Integer burnSeconds) {
        this.burnSeconds = burnSeconds;
    }

    public Long getViewedAt() {
        return viewedAt;
    }

    public void setViewedAt(Long viewedAt) {
        this.viewedAt = viewedAt;
    }

    public Long getBurnAt() {
        return burnAt;
    }

    public void setBurnAt(Long burnAt) {
        this.burnAt = burnAt;
    }

    public Boolean getBurned() {
        return burned;
    }

    public void setBurned(Boolean burned) {
        this.burned = burned;
    }

    public List<MessageReaction> getReactions() {
        return reactions;
    }

    public void setReactions(List<MessageReaction> reactions) {
        this.reactions = reactions;
    }

    public void addReaction(MessageReaction reaction) {
        if (this.reactions == null) {
            this.reactions = new ArrayList<>();
        }
        this.reactions.add(reaction);
    }

    public void removeReaction(String emoji) {
        if (this.reactions != null) {
            this.reactions.removeIf(r -> r.getEmoji().equals(emoji));
        }
    }
}