#include "accountlist.h"
#include "../db/db_manager.h"
#include <QVBoxLayout>
#include <QLabel>
#include <QPainter>
#include <QPixmap>

static QPixmap makeAvatar(const QColor &color, const QString &letter) {
    QPixmap pix(24, 24);
    pix.fill(Qt::transparent);
    QPainter p(&pix);
    p.setRenderHint(QPainter::Antialiasing);
    p.setBrush(color);
    p.setPen(Qt::NoPen);
    p.drawEllipse(0, 0, 24, 24);
    p.setPen(Qt::white);
    QFont f = p.font();
    f.setBold(true);
    f.setPointSize(10);
    p.setFont(f);
    p.drawText(QRect(0, 0, 24, 24), Qt::AlignCenter, letter);
    p.end();
    return pix;
}

AccountList::AccountList(DbManager* db, QWidget *parent)
    : QWidget(parent)
    , m_listView(new QListView(this))
    , m_model(new QStandardItemModel(this))
    , m_db(db)
{
    auto *layout = new QVBoxLayout(this);
    layout->setContentsMargins(0, 0, 0, 0);
    layout->setSpacing(0);

    auto *header = new QLabel("Accounts", this);
    header->setAlignment(Qt::AlignCenter);
    header->setStyleSheet("font-weight: bold; padding: 8px; background: palette(window);");
    layout->addWidget(header);

    m_listView->setModel(m_model);
    m_listView->setEditTriggers(QAbstractItemView::NoEditTriggers);
    m_listView->setSelectionMode(QAbstractItemView::SingleSelection);
    m_listView->setIconSize(QSize(24, 24));
    m_listView->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    m_listView->setVerticalScrollMode(QAbstractItemView::ScrollPerPixel);
    layout->addWidget(m_listView);
}

void AccountList::loadAccounts() {
    m_model->clear();
    if (!m_db || !m_db->isOpen()) return;

    auto accounts = m_db->getAccounts(true);
    for (const auto& a : accounts) {
        auto *item = new QStandardItem();
        item->setText(a.displayName);
        item->setIcon(QIcon(makeAvatar(QColor(a.avatarColor), a.avatarLetter)));
        m_model->appendRow(item);
    }
}