package dev.getchat.sdk;

import org.jspecify.annotations.Nullable;

/**

* The result of {@link GetChatClient#updateMessage}. The backend always reports whether

* the edit changed anything ({@link #isUpdated()}), but only echoes the stored

* message when the caller asked for it via

* {@link UpdateMessageOptions.Builder#returnResource(boolean)} (which sends

* {@code Prefer: return=representation}); otherwise {@link #message()} is

* {@code null}. Both signals — plus the raw envelope — are kept so the return type

* is honest about what came back.

*

* <p>A lazy view over the response {@link JsonValue}, equal to another instance when

* their underlying JSON is equal.

*/

public final class UpdatedMessage {

private final JsonValue raw;

private UpdatedMessage(JsonValue raw) {

this.raw = raw;

}

/** Wrap an update-message response envelope as a typed result. */

public static UpdatedMessage of(JsonValue raw) {

return new UpdatedMessage(raw);

}

/** The whole response envelope, for fields without a typed accessor. */

public JsonValue raw() {

return raw;

}

/** Whether the edit actually changed the message. */

public boolean isUpdated() {

return raw.get("is_updated").asBoolean(false);

}

/**

* The updated message, or {@code null} when it was not requested (no

* {@code returnResource(true)} / {@code Prefer: return=representation}).

*/

public @Nullable Message message() {

JsonValue m = raw.get("message");

return m.isObject() ? Message.of(m) : null;

}

/** Equal when the underlying JSON is equal. */

@Override

public boolean equals(@Nullable Object o) {

return this == o || (o instanceof UpdatedMessage other && raw.equals(other.raw));

}

@Override

public int hashCode() {

return raw.hashCode();

}

/** Compact summary for logs, e.g. {@code UpdatedMessage{isUpdated=true, hasMessage=false}}. */

@Override

public String toString() {

return "UpdatedMessage{isUpdated=" + isUpdated() + ", hasMessage=" + (message() != null) + "}";

}

}