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package it.auties.whatsapp.model.node;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonValue;
import it.auties.whatsapp.model.jid.Jid;
import java.util.*;
import java.util.Map.Entry;
import java.util.function.BooleanSupplier;
import java.util.function.Function;
import static java.util.Map.ofEntries;
import static java.util.Objects.requireNonNull;
/**
* A utility class that wraps a map and provides easy methods to interact with its content
*
* @param toMap the non-null wrapped map
*/
public record Attributes(@JsonValue LinkedHashMap toMap) {
/**
* Constructs a new map using the non-null provided entries
*
* @param entries the non-null entries
* @return a new instance of Attributes
*/
@SafeVarargs
public static Attributes of(Entry... entries) {
return ofNullable(ofEntries(entries));
}
/**
* Constructs a new map using the non-null provided entries
*
* @param entries the non-null entries
* @return a new instance of Attributes
*/
@SafeVarargs
@JsonCreator
public static Attributes ofNullable(Entry... entries) {
return entries == null ? of() : ofNullable(ofEntries(entries));
}
/**
* Constructs a new map using the provided nullable map
*
* @param map the nullable existing map
* @return a new instance of Attributes
*/
public static Attributes ofNullable(Map map) {
var modifiableMap = Optional.ofNullable(map)
.map(LinkedHashMap::new)
.orElseGet(LinkedHashMap::new);
return new Attributes(modifiableMap);
}
/**
* Constructs a new map using the provided non-null map
*
* @param map the non-null existing map
* @return a new instance of Attributes
*/
public static Attributes of(Map map) {
return ofNullable(Objects.requireNonNull(map));
}
/**
* Checks whether a non-null key whatsappOldEligible in this map
*
* @param key the non-null key
* @return a boolean
*/
public boolean hasKey(String key) {
return toMap.containsKey(key);
}
/**
* Checks whether a non-null key whatsappOldEligible in this map and has the provided value
*
* @param key the non-null key
* @param value the nullable value to check against
* @return a boolean
*/
public boolean hasValue(String key, String value) {
return Objects.equals(toMap.get(key), value);
}
/**
* Inserts a key-value pair in the wrapped map
*
* @param key the non-null key
* @param value the nullable value
* @param conditions the non-null conditions that must be met to insert the value
* @param the type of the value
* @return the calling instance
*/
@SafeVarargs
public final Attributes put(String key, T value, Function... conditions) {
var translated = Arrays.stream(conditions)
.map(condition -> (BooleanSupplier) () -> condition.apply(value))
.toArray(BooleanSupplier[]::new);
return put(key, value, translated);
}
/**
* Inserts a key-value pair in the wrapped map
*
* @param key the non-null key
* @param value the nullable value
* @param conditions the non-null conditions that must be met to insert the value
* @return the calling instance
*/
public Attributes put(String key, Object value, BooleanSupplier... conditions) {
return put(key, value, Arrays.stream(conditions).allMatch(BooleanSupplier::getAsBoolean));
}
/**
* Inserts a key-value pair in the wrapped map
*
* @param key the non-null key
* @param value the nullable value
* @param condition the condition that must be met to insert the value
* @return the calling instance
*/
public Attributes put(String key, Object value, boolean condition) {
if (condition) {
toMap.put(key, value);
}
return this;
}
/**
* Inserts a key-value pair in the wrapped map
*
* @param key the non-null key
* @param value the nullable value
* @return the calling instance
*/
public Attributes put(String key, Object value) {
toMap.put(key, value);
return this;
}
/**
* Gets a value by key in the wrapped map
*
* @param key the non-null key
* @param defaultValue the non-null default value
* @param clazz the non-null type of the value that is returned
* @param the type of the value that is returned
* @return the non-null value
*/
public T get(String key, T defaultValue, Class clazz) {
return get(key, clazz).orElse(defaultValue);
}
/**
* Gets a value by key in the wrapped map
*
* @param key the non-null key
* @param clazz the non-null type of the value that is returned
* @param the type of the value that is returned
* @return the non-null value
*/
public Optional get(String key, Class clazz) {
return Optional.ofNullable(toMap.get(key)).map(clazz::cast);
}
/**
* Gets a value as an int by key in the wrapped map
*
* @param key the non-null key
* @return the non-null value
*/
public int getInt(String key) {
return getOptionalInt(key).orElse(0);
}
/**
* Gets a value as an int by key in the wrapped map
*
* @param key the non-null key
* @return the non-null value
*/
public OptionalInt getOptionalInt(String key) {
return get(key, Object.class)
.stream()
.mapToInt(this::parseInt)
.findFirst();
}
private int parseInt(Object value) {
return switch (value) {
case Number number -> number.intValue();
case String string -> Integer.parseInt(string);
case null, default -> throw new IllegalStateException("Unexpected value: " + value);
};
}
/**
* Gets a value as a long by key in the wrapped map
*
* @param key the non-null key
* @return the non-null value
*/
public long getLong(String key) {
return getOptionalLong(key).orElse(0L);
}
/**
* Gets a value as a long by key in the wrapped map
*
* @param key the non-null key
* @return the non-null value
*/
public OptionalLong getOptionalLong(String key) {
return get(key, Object.class)
.stream()
.mapToLong(this::parseLong)
.findFirst();
}
private long parseLong(Object value) {
return switch (value) {
case Number number -> number.longValue();
case String string -> Long.parseLong(string);
case null, default -> throw new IllegalStateException("Unexpected value: " + value);
};
}
/**
* Gets a non-null value as a string by key in the wrapped map. If the key doesn't exist,
* unknown is returned.
*
* @param key the non-null key
* @return the non-null value
*/
public String getString(String key) {
return getString(key, "unknown");
}
/**
* Gets a value as a string by key in the wrapped map. If the value is null, defaultValue is
* returned.
*
* @param key the non-null key
* @return a non-null string
*/
public String getString(String key, String defaultValue) {
return get(key, Object.class).map(Object::toString).orElse(defaultValue);
}
/**
* Gets a nullable value as a string by key in the wrapped map
*
* @param key the non-null key
* @return the nullable value
*/
public String getNullableString(String key) {
return getString(key, null);
}
/**
* Gets a nullable value as an int by key in the wrapped map
*
* @param key the non-null key
* @return the nullable value
*/
public Integer getNullableInt(String key) {
var result = getOptionalInt(key);
return result.isPresent() ? result.getAsInt() : null;
}
/**
* Gets a nullable value as a long by key in the wrapped map
*
* @param key the non-null key
* @return the nullable value
*/
public Long getNullableLong(String key) {
var result = getOptionalLong(key);
return result.isPresent() ? result.getAsLong() : null;
}
/**
* Gets a non-null value as a string by key in the wrapped map. Throws an exception if the key
* doesn't exist.
*
* @param key the non-null key
* @return the non-null value
*/
public String getRequiredString(String key) {
return requireNonNull(getString(key, null), "Missing required attribute %s".formatted(key));
}
/**
* Gets a non-null value as an int by key in the wrapped map.
* Throws an exception if the key doesn't exist.
*
* @param key the non-null key
* @return the non-null value
*/
public int getRequiredInt(String key) {
return getOptionalInt(key)
.orElseThrow(() -> new NullPointerException("Missing required attribute %s".formatted(key)));
}
/**
* Gets a non-null value as a long by key in the wrapped map.
* Throws an exception if the key doesn't exist.
*
* @param key the non-null key
* @return the non-null value
*/
public long getRequiredLong(String key) {
return getOptionalLong(key)
.orElseThrow(() -> new NullPointerException("Missing required attribute %s".formatted(key)));
}
/**
* Gets an optional value as a string by key in the wrapped map
*
* @param key the non-null key
* @return a non-null optional
*/
public Optional getOptionalString(String key) {
return Optional.ofNullable(getString(key, null));
}
/**
* Gets a value as a boolean by key in the wrapped map
*
* @param key the non-null key
* @return a boolean
*/
public boolean getBoolean(String key) {
return get(key, Object.class).map(this::parseBool).orElse(false);
}
private boolean parseBool(Object value) {
return switch (value) {
case Boolean bool -> bool;
case String string -> Boolean.parseBoolean(string);
case null, default -> throw new IllegalStateException("Unexpected value: " + value);
};
}
/**
* Gets an optional value as a ContactJid by key in the wrapped map
*
* @param key the non-null key
* @return a non-null optional
*/
public Optional getOptionalJid(String key) {
return get(key, Object.class)
.map(this::parseJid);
}
/**
* Gets a required value as a ContactJid by key in the wrapped map
*
* @param key the non-null key
* @return a non-null value
*/
public Jid getRequiredJid(String key) {
return get(key, Object.class)
.map(this::parseJid)
.orElseThrow(() -> new NullPointerException("Missing required attribute %s".formatted(key)));
}
private Jid parseJid(Object value) {
return switch (value) {
case Jid jid -> jid;
case String encodedJid -> Jid.of(encodedJid);
case null, default -> throw new IllegalStateException("Unexpected value: " + value);
};
}
/**
* Copies this object
*
* @return a non-null instance
*/
public Attributes copy() {
return new Attributes(toMap);
}
/**
* Returns whether this object is empty
*
* @return a boolean
*/
public boolean isEmpty() {
return toMap.isEmpty();
}
public Attributes putAll(Map map) {
return putAll(map.entrySet());
}
public Attributes putAll(Collection> entries) {
for (var entry : entries) {
toMap.put(entry.getKey(), entry.getValue());
}
return this;
}
@SafeVarargs
public final Attributes putAll(Entry... entries) {
for (var entry : entries) {
toMap.put(entry.getKey(), entry.getValue());
}
return this;
}
@SuppressWarnings("unchecked")
public Entry[] toEntries() {
return toMap.entrySet().toArray(Entry[]::new);
}
}
