#include "../include/Message.hpp"
#include "../include/StringView.hpp"

using namespace std;

namespace dchat
{
    Message::Message(User *_user) : 
        user(_user)
    {
        
    }
    
    Message::~Message()
    {
        for(MessagePart *messagePart : messageParts)
        {
            delete messagePart;
        }
    }
    
    void Message::addText(const string &text, bool newLine)
    {
        messageParts.push_back(new MessagePartText(text, newLine));
    }
    
    void Message::addEmoji(const string &url, bool newLine)
    {
        messageParts.push_back(new MessagePartEmoji(url, newLine));
    }
    
    vector<MessagePart*>& Message::getParts()
    {
        return messageParts;
    }
    
    StringView getNextNewLine(const StringView &str)
    {
        for(usize i = 0; i < str.size; ++i)
        {
            if(str[i] == '\n')
                return StringView(str.data, i);
        }
        return StringView();
    }
    
    Message* Message::buildFromString(User *user, const std::string &str)
    {
        Message *message = new Message(user);
        usize strOffset = 0;
        while(strOffset < str.size())
        {
            usize foundIndex = str.find('\n', strOffset);
            usize lineEnd = foundIndex;
            if(foundIndex == string::npos)
                lineEnd = str.size();
            
            message->addText(str.substr(strOffset, lineEnd - strOffset), foundIndex != string::npos);
            
            if(foundIndex == string::npos)
                break;
            else
                strOffset = lineEnd + 1;
        }
        return message;
    }
}