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package eu.olli.cowlection.handler;
import com.google.gson.JsonParseException;
import com.google.gson.reflect.TypeToken;
import eu.olli.cowlection.Cowlection;
import eu.olli.cowlection.command.exception.ApiContactException;
import eu.olli.cowlection.data.Friend;
import eu.olli.cowlection.util.ApiUtils;
import eu.olli.cowlection.util.GsonUtils;
import eu.olli.cowlection.util.TickDelay;
import io.netty.util.internal.ConcurrentSet;
import net.minecraft.command.PlayerNotFoundException;
import net.minecraft.event.ClickEvent;
import net.minecraft.event.HoverEvent;
import net.minecraft.util.ChatComponentText;
import net.minecraft.util.ChatStyle;
import net.minecraft.util.EnumChatFormatting;
import org.apache.commons.io.FileUtils;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Type;
import java.nio.charset.StandardCharsets;
import java.util.Set;
import java.util.TreeSet;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
public class FriendsHandler {
private static final long UPDATE_FREQUENCY_DEFAULT = TimeUnit.HOURS.toMillis(15);
private static final long UPDATE_FREQUENCY_MINIMUM = TimeUnit.MINUTES.toMillis(5);
private final Cowlection main;
private Set<Friend> bestFriends = new ConcurrentSet<>();
private File bestFriendsFile;
private UpdateStatus updateStatus;
public FriendsHandler(Cowlection main, File friendsFile) {
this.main = main;
this.bestFriendsFile = friendsFile;
this.updateStatus = UpdateStatus.IDLE;
loadBestFriends();
updateBestFriends(false);
}
public boolean isBestFriend(String playerName, boolean ignoreCase) {
if (ignoreCase) {
return bestFriends.stream().map(Friend::getName).anyMatch(playerName::equalsIgnoreCase);
} else {
return bestFriends.stream().map(Friend::getName).anyMatch(playerName::equals);
}
}
public void addBestFriend(String name) {
if (name.isEmpty()) {
return;
}
ApiUtils.fetchFriendData(name, friend -> {
if (friend == null) {
throw new ApiContactException("Mojang", "didn't add " + name + " as a best friend.");
} else if (friend.equals(Friend.FRIEND_NOT_FOUND)) {
throw new PlayerNotFoundException("There is no player with the name " + EnumChatFormatting.DARK_RED + name + EnumChatFormatting.RED + ".");
} else {
boolean added = bestFriends.add(friend);
if (added) {
main.getChatHelper().sendMessage(EnumChatFormatting.GREEN, "Added " + EnumChatFormatting.DARK_GREEN + friend.getName() + EnumChatFormatting.GREEN + " as best friend.");
saveBestFriends();
}
}
});
}
public boolean removeBestFriend(String name) {
boolean removed = bestFriends.removeIf(friend -> friend.getName().equalsIgnoreCase(name));
if (removed) {
saveBestFriends();
}
return removed;
}
public Set<String> getBestFriends() {
return bestFriends.stream().map(Friend::getName).collect(Collectors.toCollection(TreeSet::new));
}
public Friend getBestFriend(String name) {
return bestFriends.stream().filter(friend -> friend.getName().equalsIgnoreCase(name)).findFirst().orElse(Friend.FRIEND_NOT_FOUND);
}
private Friend getBestFriend(UUID uuid) {
return bestFriends.stream().filter(friend -> friend.getUuid().equals(uuid)).findFirst().orElse(Friend.FRIEND_NOT_FOUND);
}
public void updateBestFriends(boolean isCommandTriggered) {
bestFriends.stream().filter(friend -> System.currentTimeMillis() - friend.getLastChecked() > (isCommandTriggered ? UPDATE_FREQUENCY_MINIMUM : UPDATE_FREQUENCY_DEFAULT)).forEach(this::updateBestFriend);
new TickDelay(() -> {
if (this.updateStatus != UpdateStatus.IDLE) {
if (isCommandTriggered && updateStatus == UpdateStatus.NO_NAME_CHANGES) {
main.getChatHelper().sendMessage(EnumChatFormatting.GOLD, "No name changes detected.");
}
saveBestFriends();
this.updateStatus = UpdateStatus.IDLE;
}
}, 10 * 20);
}
private void updateBestFriend(Friend friend) {
ApiUtils.fetchCurrentName(friend, newName -> {
if (newName == null) {
// skipping friend, something went wrong with API request
} else if (newName.equals(ApiUtils.UUID_NOT_FOUND)) {
throw new PlayerNotFoundException("How did you manage to get a unique id on your best friends list that has no name attached to it?");
} else if (newName.equals(friend.getName())) {
// name hasn't changed, only updating lastChecked timestamp
Friend bestFriend = getBestFriend(friend.getUuid());
if (!bestFriend.equals(Friend.FRIEND_NOT_FOUND)) {
bestFriend.setLastChecked(System.currentTimeMillis());
if (this.updateStatus == UpdateStatus.IDLE) {
this.updateStatus = UpdateStatus.NO_NAME_CHANGES;
}
}
} else {
// name has changed
main.getChatHelper().sendMessage(new ChatComponentText("Your best friend " + EnumChatFormatting.DARK_GREEN + friend.getName() + EnumChatFormatting.GREEN + " changed the name to " + EnumChatFormatting.DARK_GREEN + newName + EnumChatFormatting.GREEN + ".").setChatStyle(new ChatStyle()
.setColor(EnumChatFormatting.GREEN)
.setChatClickEvent(new ClickEvent(ClickEvent.Action.OPEN_URL, "https://namemc.com/search?q=" + newName))
.setChatHoverEvent(new HoverEvent(HoverEvent.Action.SHOW_TEXT, new ChatComponentText(EnumChatFormatting.YELLOW + "View " + EnumChatFormatting.GOLD + newName + EnumChatFormatting.YELLOW + "'s name history on namemc.com")))));
Friend bestFriend = getBestFriend(friend.getUuid());
if (!bestFriend.equals(Friend.FRIEND_NOT_FOUND)) {
bestFriend.setName(newName);
bestFriend.setLastChecked(System.currentTimeMillis());
this.updateStatus = UpdateStatus.NAME_CHANGED;
}
}
});
}
public synchronized void saveBestFriends() {
try {
String bestFriendsJsonZoned = GsonUtils.toJson(this.bestFriends);
FileUtils.writeStringToFile(this.bestFriendsFile, bestFriendsJsonZoned, StandardCharsets.UTF_8);
} catch (IOException e) {
main.getLogger().error("Couldn't save best friends", e);
}
}
private void loadBestFriends() {
try {
boolean createdNewFile = this.bestFriendsFile.createNewFile();
this.bestFriends.clear();
if (!createdNewFile) {
String bestFriendsData = FileUtils.readFileToString(this.bestFriendsFile, StandardCharsets.UTF_8);
this.bestFriends.addAll(parseJson(bestFriendsData));
}
} catch (IOException e) {
main.getLogger().error("Couldn't read best friends file " + this.bestFriendsFile, e);
} catch (JsonParseException e) {
main.getLogger().error("Couldn't parse best friends file " + this.bestFriendsFile, e);
}
}
private Set<Friend> parseJson(String bestFriendsData) {
Type collectionType = new TypeToken<Set<Friend>>() {
}.getType();
return GsonUtils.fromJson(bestFriendsData, collectionType);
}
private enum UpdateStatus {
IDLE, NAME_CHANGED, NO_NAME_CHANGES
}
}
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