#include "channelsettingsdialog.h"
#include "../db/db_manager.h"
#include "../transport/gui_bridge.h"
#include "../../lib/mem.h"
extern "C" {
#include "chat/chat_core.h"
}
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QPushButton>
#include <QLabel>

ChannelSettingsDialog::ChannelSettingsDialog(const QString& channelId, DbManager* db, QWidget* parent)
    : QDialog(parent)
    , m_channelId(channelId)
    , m_db(db)
{
    setWindowTitle(QStringLiteral("Channel Settings"));
    setMinimumWidth(340);
    setModal(true);

    auto* layout = new QVBoxLayout(this);
    layout->setContentsMargins(20, 16, 20, 16);
    layout->setSpacing(12);

    auto* titleLabel = new QLabel(QStringLiteral("Settings for channel"), this);
    titleLabel->setStyleSheet("font-weight: bold; font-size: 14px;");
    layout->addWidget(titleLabel);

    auto* chIdLabel = new QLabel(channelId, this);
    chIdLabel->setStyleSheet("color: gray; font-size: 11px;");
    chIdLabel->setWordWrap(true);
    layout->addWidget(chIdLabel);

    layout->addSpacing(8);

    m_autoPlayVoice = new QCheckBox(QStringLiteral("Auto-play voice messages on receive"), this);
    m_autoPlayVoice->setToolTip(QStringLiteral("Voice messages will play automatically when received. Multiple messages queue up and play sequentially without interrupting current playback."));
    layout->addWidget(m_autoPlayVoice);

    m_soundOnMessage = new QCheckBox(QStringLiteral("Play sound on incoming message"), this);
    m_soundOnMessage->setToolTip(QStringLiteral("Play a notification sound when a message arrives in this channel."));
    layout->addWidget(m_soundOnMessage);

    m_pttMode = new QCheckBox(QStringLiteral("Push-To-Talk (PTT) mode"), this);
    m_pttMode->setToolTip(QStringLiteral("Record voice messages with push-to-talk. (Coming soon)"));
    m_pttMode->setEnabled(false);
    layout->addWidget(m_pttMode);

    layout->addStretch();

    auto* btnLayout = new QHBoxLayout();
    btnLayout->setSpacing(8);
    btnLayout->addStretch();

    auto* cancelBtn = new QPushButton(QStringLiteral("Cancel"), this);
    cancelBtn->setFixedWidth(90);
    cancelBtn->setStyleSheet(
        "QPushButton { border: 1px solid palette(mid); border-radius: 4px;"
        " padding: 6px 16px; font-size: 13px; background: palette(button); }"
        "QPushButton:hover { background: palette(light); }");
    connect(cancelBtn, &QPushButton::clicked, this, &QDialog::reject);
    btnLayout->addWidget(cancelBtn);

    auto* saveBtn = new QPushButton(QStringLiteral("Save"), this);
    saveBtn->setFixedWidth(90);
    saveBtn->setDefault(true);
    saveBtn->setStyleSheet(
        "QPushButton { border: none; border-radius: 4px;"
        " padding: 6px 16px; font-size: 13px; font-weight: bold;"
        " background: #3390EC; color: white; }"
        "QPushButton:hover { background: #2B7ED4; }");
    connect(saveBtn, &QPushButton::clicked, this, &ChannelSettingsDialog::onSave);
    btnLayout->addWidget(saveBtn);

    layout->addLayout(btnLayout);

    if (m_db && m_db->isOpen()) {
        QString autoPlayKey = QStringLiteral("ch_%1_auto_play_voice").arg(channelId);
        m_autoPlayVoice->setChecked(m_db->getUiStateInt(autoPlayKey, 0) != 0);
        QString soundKey = QStringLiteral("ch_%1_sound_on_message").arg(channelId);
        m_soundOnMessage->setChecked(m_db->getUiStateInt(soundKey, 1) != 0);
        QString pttKey = QStringLiteral("ch_%1_ptt_mode").arg(channelId);
        m_pttMode->setChecked(m_db->getUiStateInt(pttKey, 0) != 0);
    }
}

void ChannelSettingsDialog::onSave() {
    auto saveKey = [&](const char* suffix, int val) {
        QString key = QStringLiteral("ch_%1_%2").arg(m_channelId, QString::fromUtf8(suffix));
        QByteArray keyBA = key.toUtf8();
        QByteArray valBA = QByteArray::number(val);
        size_t klen = (size_t)keyBA.size(), vlen = (size_t)valBA.size();
        size_t total = klen + 1 + vlen + 1;
        if (total <= 256) {
            void* arg = u_malloc(total);
            memcpy(arg, keyBA.constData(), klen + 1);
            memcpy((char*)arg + klen + 1, valBA.constData(), vlen + 1);
            gui_bridge_post_uasync_fn(chat_core_save_ui_state_trampoline, arg);
        }
    };
    saveKey("auto_play_voice", m_autoPlayVoice->isChecked() ? 1 : 0);
    saveKey("sound_on_message", m_soundOnMessage->isChecked() ? 1 : 0);
    saveKey("ptt_mode",         m_pttMode->isChecked() ? 1 : 0);
    accept();
}