Optimize episode find

app/src/main/java/com/fongmi/android/tv/bean/Episode.java

@@ -97,7 +97,7 @@ public class Episode implements Parcelable, Diffable<Episode> {
     }
 
     public boolean rule2(int number) {
-        return getNumber() == number && number != -1;
+        return getNumber() == number;
     }
 
     public boolean rule3(String name) {

app/src/main/java/com/fongmi/android/tv/bean/Flag.java

@@ -3,6 +3,7 @@ package com.fongmi.android.tv.bean;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.text.TextUtils;
+import android.util.Pair;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -17,7 +18,7 @@ import org.simpleframework.xml.Attribute;
 import org.simpleframework.xml.Text;
 
 import java.util.ArrayList;
-import java.util.Arrays;
+import java.util.Comparator;
 import java.util.List;
 import java.util.Locale;
 
@@ -105,16 +106,24 @@ public class Flag implements Parcelable, Diffable<Flag> {
         for (int i = 0; i < getEpisodes().size(); i++) getEpisodes().get(i).setActivated(i == getPosition());
     }
 
+    private int getScore(Episode episode, String remarks, int number) {
+        if (episode.rule1(remarks)) return 100;
+        if (number != -1 && episode.rule2(number)) return 80;
+        if (number == -1 && episode.rule3(remarks)) return 70;
+        if (number == -1 && episode.rule4(remarks)) return 60;
+        return 0;
+    }
+
     public Episode find(String remarks, boolean strict) {
-        int number = Util.getDigit(remarks);
         if (getEpisodes().isEmpty()) return null;
         if (getEpisodes().size() == 1) return getEpisodes().get(0);
-        for (Episode item : getEpisodes()) if (item.rule1(remarks)) return item;
-        for (Episode item : getEpisodes()) if (item.rule2(number)) return item;
-        if (number == -1) for (Episode item : getEpisodes()) if (item.rule3(remarks)) return item;
-        if (number == -1) for (Episode item : getEpisodes()) if (item.rule4(remarks)) return item;
-        if (getPosition() != -1) return getEpisodes().get(getPosition());
-        return strict ? null : getEpisodes().get(0);
+        int number = Util.getDigit(remarks);
+        return getEpisodes().stream()
+                .map(episode -> new Pair<>(episode, getScore(episode, remarks, number)))
+                .filter(pair -> pair.second > 0)
+                .max(Comparator.comparingInt(pair -> pair.second))
+                .map(pair -> pair.first)
+                .orElseGet(() -> getPosition() != -1 ? getEpisodes().get(getPosition()) : strict ? null : getEpisodes().get(0));
     }
 
     public void setEpisodes(String url) {

app/src/main/java/com/fongmi/android/tv/utils/Util.java

@@ -33,6 +33,8 @@ import java.util.ArrayList;
 import java.util.Date;
 import java.util.Formatter;
 import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 public class Util {
 
@@ -102,12 +104,15 @@ public class Util {
     }
 
     public static int getDigit(String text) {
-        try {
-            if (text.startsWith("上") || text.startsWith("下")) return -1;
-            return Integer.parseInt(text.replaceAll("(?i)(mp4|H264|H265|720p|1080p|2160p|4K)", "").replaceAll("\\D+", ""));
-        } catch (Exception e) {
-            return -1;
-        }
+        if (text == null || text.isBlank()) return -1;
+        text = text.replaceAll("\\[.*?\\]|\\(.*?\\)", "");
+        text = text.replaceAll("\\b(19|20)\\d{2}\\b", "");
+        text = text.toLowerCase().replaceAll("2160p|1080p|720p|480p|4k|h26[45]|x26[45]|mp4", "");
+        Matcher m = Pattern.compile("(?i)(?:ep|第|e|[\\-\\.\\s]|^)\\s?(\\d+)").matcher(text.trim());
+        if (m.find()) return Integer.parseInt(m.group(1));
+        String number = text.replaceAll("\\D+", "");
+        if (!number.isEmpty()) return Integer.parseInt(number);
+        return -1;
     }
 
     public static String clean(String text) {