#include "apattachment.h"
#include <QFileInfo>
#include <QDebug>

APAttachment::APAttachment() {}

APAttachment::APAttachment(APAttachmentFields fields) {
    path_url = fields.path;
    type = fields.media_type;
    description = fields.name;
}

QString APAttachment::get_html_render(HtmlRenderDetails info) {
    QString html(get_html_template(QStringLiteral("apattachment")));

    if (not path_url.isEmpty()) {
        html.replace("{{path}}", path_url);
        html.replace("{{filename}}", QFileInfo(path_url).fileName()); // FIXME: this is maybe ugly?
    }

    if (type.startsWith("image/"))
        // dynamically resize image based on the display widget size to avoid horizontal scrolling
        html.replace("{{img-width}}", QString::number((float)info.text_zone_width - (float)info.text_zone_width*0.15)); // finally after passing this for so long i finally use it
    else
        html.replace("{{img-width}}", "0");

    html.replace("{{alt-text}}", description);

    return html;
}

const QPixmap& APAttachment::get_pixmap(int width, int height) {
    if (pixmap) return *pixmap;

    if (width > 0 or height > 0) {
        QPixmap image(path_url);

        /* proportionality rule:
         * width     image width
         * -----  =  -----------
         * height    image height
         */
        if (height == 0)
            height = (width * image.height()) / image.width();
        else if (width == 0)
            width = (height * image.width()) / image.height();

        pixmap = new QPixmap(image.scaled(QSize(width, height)));
    } else {
        pixmap = new QPixmap;
        if (not pixmap->load(path_url))
            qDebug() << "failed to load" << path_url;
    }
    return *pixmap;
}

QString APAttachmentList::get_html_render(HtmlRenderDetails render_info) {
    QString html;

    int i = 1;
    for (APAttachment attachment : *this) {
        QString item_html(get_html_template(QStringLiteral("apattachmentlist_item")));
        item_html.replace("{{id}}", QString::number(i));
        item_html.replace("{{attachment}}", attachment.get_html_render(render_info));

        html.append(item_html);
        ++i;
    }

    return html;
}