ChatMessage.h

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// Copyright(c) 2024 grrimgrriefer & DZnnah, see LICENSE for details.
 
#pragma once
 
#include "CoreMinimal.h"
#include "ChatMessage.generated.h"

USTRUCT(BlueprintType, Category = "Voxta")
struct FChatMessage
{
    GENERATED_BODY()
 
#pragma region public API
public:
    const FGuid& GetMessageId() const { return m_messageId; }

    const FGuid& GetCharId() const { return m_charId; }

    FStringView GetTextContent() const { return m_text; }

    const TArray<FString>& GetAudioUrls() const { return m_audioUrls; }

    bool GetIsComplete() const { return m_isComplete; }

    bool TryAppendMoreContent(const FString& textContent, const FString& audioUrl)
    {
        if (m_isComplete)
        {
            return false;
        }
 
        m_text.Append(textContent);
        if (!audioUrl.IsEmpty()) // text only response is valid, but we don't add empty audio urls ofc
        {
            m_audioUrls.Emplace(audioUrl);
        }
        return true;
    }

    void MarkComplete()
    {
        m_isComplete = true;
    }

    explicit FChatMessage(FGuid messageId, FGuid charId) :
        m_messageId(messageId),
        m_charId(charId)
    {}

    FChatMessage() = default;
#pragma endregion
 
private:
    UPROPERTY(BlueprintReadOnly, Category = "Voxta", meta = (AllowPrivateAccess = "true", DisplayName = "Message Text (so far)"))
    FString m_text;

    UPROPERTY(BlueprintReadOnly, Category = "Voxta", meta = (AllowPrivateAccess = "true", DisplayName = "Message ID"))
    FGuid m_messageId;

    UPROPERTY(BlueprintReadOnly, Category = "Voxta", meta = (AllowPrivateAccess = "true", DisplayName = "Character ID"))
    FGuid m_charId;

    bool m_isComplete = false;

    TArray<FString> m_audioUrls;
};