package com.b44t.messenger;

import androidx.annotation.NonNull;

import java.io.File;
import java.util.Set;

public class DcMsg {

    public final static int DC_MSG_UNDEFINED = 0;
    public final static int DC_MSG_TEXT = 10;
    public final static int DC_MSG_IMAGE = 20;
    public final static int DC_MSG_GIF = 21;
    public final static int DC_MSG_AUDIO = 40;
    public final static int DC_MSG_VOICE = 41;
    public final static int DC_MSG_VIDEO = 50;
    public final static int DC_MSG_FILE = 60;

    public final static int DC_STATE_UNDEFINED =  0;
    public final static int DC_STATE_IN_FRESH = 10;
    public final static int DC_STATE_IN_NOTICED = 13;
    public final static int DC_STATE_IN_SEEN = 16;
    public final static int DC_STATE_OUT_PREPARING = 18;
    public final static int DC_STATE_OUT_PENDING = 20;
    public final static int DC_STATE_OUT_ERROR = 24;
    public final static int DC_STATE_OUT_DELIVERED = 26;
    public final static int DC_STATE_OUT_MDN_RCVD = 28;

    public static final int DC_MSG_NO_ID = 0;
    public final static int DC_MSG_ID_MARKER1 = 1;
    public final static int DC_MSG_ID_DAYMARKER = 9;

    public DcMsg(DcContext context, int viewtype) {
        msgCPtr = context.createMsgCPtr(viewtype);
    }

    public DcMsg(long msgCPtr) {
        this.msgCPtr = msgCPtr;
    }

    @Override
    protected void finalize() throws Throwable {
        super.finalize();
        unrefMsgCPtr();
        msgCPtr = 0;
    }

    @Override
    public boolean equals(Object other) {
        if (other == null || !(other instanceof DcMsg)) {
            return false;
        }

        DcMsg that = (DcMsg) other;
        return this.getId()==that.getId() && this.getId()!=0;
    }

    public native int     getId              ();
    public native String  getText            ();
    public native long    getTimestamp       ();
    public native long    getSortTimestamp   ();
    public native boolean hasDeviatingTimestamp();
    public native boolean hasLocation        ();
    public native int     getType            ();
    public native int     getState           ();
    public native int     getChatId          ();
    public native int     getFromId          ();
    public native int     getWidth           (int def);
    public native int     getHeight          (int def);
    public native int     getDuration        ();
    public native void    lateFilingMediaSize(int width, int height, int duration);
    public @NonNull DcLot getSummary         (DcChat chat) { return new DcLot(getSummaryCPtr(chat.getChatCPtr())); }
    public native String  getSummarytext     (int approx_characters);
    public native int     showPadlock        ();
    public boolean        hasFile            () { String file = getFile(); return file!=null && !file.isEmpty(); }
    public native String  getFile            ();
    public native String  getFilemime        ();
    public native String  getFilename        ();
    public native long    getFilebytes       ();
    public native boolean isForwarded        ();
    public native boolean isInfo             ();
    public native boolean isSetupMessage     ();
    public native String  getSetupCodeBegin  ();
    public native boolean isIncreation       ();
    public native void    setText            (String text);
    public native void    setFile            (String file, String filemime);
    public native void    setDimension       (int width, int height);
    public native void    setDuration        (int duration);
    public native void    setLocation        (float latitude, float longitude);

    public File getFileAsFile() {
        if(getFile()==null)
            throw new AssertionError("expected a file to be present.");
        return new File(getFile());
    }

    // aliases and higher-level tools
    public static int[] msgSetToIds(final Set<DcMsg> dcMsgs) {
        int   cnt = dcMsgs==null? 0 : dcMsgs.size();
        int[] ids = new int[cnt];
        int   i = 0;
        for (DcMsg dcMsg : dcMsgs) {
            ids[i++] = dcMsg.getId();
        }
        return ids;
    }

    public boolean isOutgoing() {
        return getFromId() == DcContact.DC_CONTACT_ID_SELF;
    }

    public boolean isGroupAction() {
        return false;
    }

    public String getDisplayBody()  {
        return getText();
    }

    public String getBody()  {
        return getText();
    }

    public long getDateReceived() {
        return getTimestamp();
    }

    public boolean isFailed() {
        return getState() == DC_STATE_OUT_ERROR;
    }
    public boolean isPreparing() {
        return getState() == DC_STATE_OUT_PREPARING;
    }
    public long getExpiresIn() {
        return -1; // never.
    }
    public long getExpireStarted() {
        return 0;
    }
    public boolean isSecure() {
        return showPadlock()!=0;
    }
    public boolean isPending() {
        return getState() == DC_STATE_OUT_PENDING;
    }
    public boolean isMediaPending() {
        return isPending();
    }
    public boolean isDelivered() {
        return getState() == DC_STATE_OUT_DELIVERED;
    }
    public boolean isRemoteRead() {
        return getState() == DC_STATE_OUT_MDN_RCVD;
    }
    public boolean isSeen() {
        return getState() == DC_STATE_IN_SEEN;
    }
    public boolean isMms() {
        return false;
    }

    // the following are probably system messages in delta-land
    public boolean isJoined() { return false; }
    public boolean isExpirationTimerUpdate() { return false; }
    public boolean isEndSession() { return false; }
    public boolean isIdentityUpdate() { return false; }
    public boolean isIdentityVerified() { return false; }
    public boolean isIdentityDefault() { return false; }

    // working with raw c-data
    private long        msgCPtr;        // CAVE: the name is referenced in the JNI
    private native void unrefMsgCPtr    ();
    private native long getSummaryCPtr  (long chatCPtr);
};