#include "Post.h"
#include "User.h"
#include <Wt/Dbo/Impl.h>

DBO_INSTANTIATE_TEMPLATES(Post)

std::string Post::permaLink() const {
    return date.toString("yyyy/MM/dd/'" + titleToUrl() + '\'').toUTF8();
}

std::string Post::commentCount() const {
    int count = (int)comments.size() - 1;
    if (count == 1)
        return "1 comment";
    else
        return std::to_string(count) + " comments";
}

std::string Post::titleToUrl() const {
    std::string result = title.narrow();
    for (unsigned i = 0; i < result.length(); ++i) {
        if (!isalnum(result[i]))
            result[i] = '_';
        else
            result[i] = tolower(result[i]);
    }

    return result;
}

Wt::Dbo::ptr<Comment> Post::rootComment() const {
    if (session())
        return session()->find<Comment>().where("post_id = ?").bind(id()).where("parent_id is null");
    else
        return Wt::Dbo::ptr<Comment>();
}