/*
 * 86Box    A hypervisor and IBM PC system emulator that specializes in
 *          running old operating systems and software designed for IBM
 *          PC systems and compatibles from 1981 through fairly recent
 *          system designs based on the PCI bus.
 *
 *          This file is part of the 86Box distribution.
 *
 *          Serial/Parallel ports configuration UI module.
 *
 * Authors: Joakim L. Gilje <jgilje@jgilje.net>
 *          Cacodemon345
 *
 *          Copyright 2022 Cacodemon345
 *          Copyright 2022 Jasmine Iwanek
 *          Copyright 2021 Joakim L. Gilje
 */
#include "qt_settingsports.hpp"
#include "ui_qt_settingsports.h"

extern "C" {
#include <86box/86box.h>
#include <86box/timer.h>
#include <86box/device.h>
#include <86box/machine.h>
#include <86box/lpt.h>
#include <86box/serial.h>
#include <86box/serial_passthrough.h>
}

#include "qt_deviceconfig.hpp"
#include "qt_models_common.hpp"

SettingsPorts::SettingsPorts(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::SettingsPorts)
{
    ui->setupUi(this);
    onCurrentMachineChanged(machine);
}

SettingsPorts::~SettingsPorts()
{
    delete ui;
}

void
SettingsPorts::save()
{
    jumpered_internal_ecp_dma = ui->comboBoxLptECPDMA->currentData().toInt();

    for (int i = 0; i < PARALLEL_MAX; i++) {
        auto *cbox     = findChild<QComboBox *>(QString("comboBoxLpt%1").arg(i + 1));
        auto *checkBox = findChild<QCheckBox *>(QString("checkBoxParallel%1").arg(i + 1));
        if (cbox != NULL)
            lpt_ports[i].device = cbox->currentData().toInt();
        if (checkBox != NULL)
            lpt_ports[i].enabled = checkBox->isChecked() ? 1 : 0;
    }

    for (int i = 0; i < (SERIAL_MAX - 1); i++) {
        auto *checkBox     = findChild<QCheckBox *>(QString("checkBoxSerial%1").arg(i + 1));
        auto *checkBoxPass = findChild<QCheckBox *>(QString("checkBoxSerialPassThru%1").arg(i + 1));
        if (checkBox != NULL)
            com_ports[i].enabled = checkBox->isChecked() ? 1 : 0;
        if (checkBoxPass != NULL)
            serial_passthrough_enabled[i] = checkBoxPass->isChecked();
    }
}

void
SettingsPorts::onCurrentMachineChanged(int machineId)
{
    this->machineId = machineId;

    int c = 0;

    auto *lptEcpDmaModel   = ui->comboBoxLptECPDMA->model();
    auto  removeRowsEcpDma = lptEcpDmaModel->rowCount();

    int has_jumpers = !!machine_has_jumpered_ecp_dma(machineId, DMA_ANY);

    int selectedRow = -2;
    int first       = -2;

    for (int i = 0; i < 9; ++i) {
        int j = machine_map_jumpered_ecp_dma(i);

        if ((has_jumpers && ((j == DMA_NONE) || !machine_has_jumpered_ecp_dma(machineId, j))) || (!has_jumpers && (j != DMA_NONE)))
            continue;

        if (first == -2)
            first = j;

        QString name = tr(machine_get_jumpered_ecp_dma_name(i));
        int     row  = lptEcpDmaModel->rowCount();
        lptEcpDmaModel->insertRow(row);
        auto idx = lptEcpDmaModel->index(row, 0);

        lptEcpDmaModel->setData(idx, name, Qt::DisplayRole);
        lptEcpDmaModel->setData(idx, j, Qt::UserRole);

        if (j == jumpered_internal_ecp_dma)
            selectedRow = row - removeRowsEcpDma;

        c++;
    }

    if (selectedRow == -2)
        selectedRow = first;

    lptEcpDmaModel->removeRows(0, removeRowsEcpDma);
    ui->comboBoxLptECPDMA->setCurrentIndex(-1);
    ui->comboBoxLptECPDMA->setCurrentIndex(selectedRow);

    if ((c == 1) || !has_jumpers)
        ui->comboBoxLptECPDMA->setEnabled(false);
    else
        ui->comboBoxLptECPDMA->setEnabled(true);

    c = 0;

    // LPT Device
    QComboBox          *cbox[PARALLEL_MAX]         = { 0 };
    QAbstractItemModel *models[PARALLEL_MAX]       = { 0 };
    int                 removeRows_[PARALLEL_MAX]  = { 0 };
    int                 selectedRows[PARALLEL_MAX] = { 0 };

    for (uint8_t i = 0; i < PARALLEL_MAX; ++i) {
        cbox[i]        = findChild<QComboBox *>(QString("comboBoxLpt%1").arg(i + 1));
        models[i]      = cbox[i]->model();
        removeRows_[i] = models[i]->rowCount();
    }

    while (true) {
        const char *lptName = lpt_device_get_name(c);

        if (lptName == nullptr)
            break;

        const QString name = tr(lptName);

        for (uint8_t i = 0; i < PARALLEL_MAX; ++i) {
            int row = Models::AddEntry(models[i], name, c);

            if (c == lpt_ports[i].device)
                selectedRows[i] = row - removeRows_[i];
        }

        c++;
    }

    for (uint8_t i = 0; i < PARALLEL_MAX; ++i) {
        models[i]->removeRows(0, removeRows_[i]);
        cbox[i]->setEnabled(models[i]->rowCount() > 1);
        cbox[i]->setCurrentIndex(-1);
        cbox[i]->setCurrentIndex(selectedRows[i]);

        auto *checkBox  = findChild<QCheckBox *>(QString("checkBoxParallel%1").arg(i + 1));
        auto *buttonCfg = findChild<QPushButton *>(QString("pushButtonConfigureLpt%1").arg(i + 1));
        if (checkBox != NULL)
            checkBox->setChecked(lpt_ports[i].enabled > 0);
        if (cbox[i] != NULL) {
            cbox[i]->setEnabled(lpt_ports[i].enabled > 0);
            if (buttonCfg != NULL) {
                int lptDevice = cbox[i]->currentData().toInt();
                buttonCfg->setEnabled(lpt_device_has_config(lptDevice) && (lpt_ports[i].enabled > 0));
            }
        }
    }

    for (int i = 0; i < (SERIAL_MAX - 1); i++) {
        auto *checkBox     = findChild<QCheckBox *>(QString("checkBoxSerial%1").arg(i + 1));
        auto *checkBoxPass = findChild<QCheckBox *>(QString("checkBoxSerialPassThru%1").arg(i + 1));
        auto *buttonPass   = findChild<QPushButton *>(QString("pushButtonSerialPassThru%1").arg(i + 1));
        if (checkBox != NULL)
            checkBox->setChecked(com_ports[i].enabled > 0);
        if (checkBoxPass != NULL) {
            checkBoxPass->setEnabled(com_ports[i].enabled > 0);
            checkBoxPass->setChecked(serial_passthrough_enabled[i]);
            buttonPass->setEnabled((com_ports[i].enabled > 0) && serial_passthrough_enabled[i]);
        }
    }
}

void
SettingsPorts::on_comboBoxLpt1_currentIndexChanged(int index)
{
    if (index < 0)
        return;

    int lptDevice = ui->comboBoxLpt1->currentData().toInt();

    ui->pushButtonConfigureLpt1->setEnabled(lpt_device_has_config(lptDevice));
}

void
SettingsPorts::on_pushButtonConfigureLpt1_clicked()
{
    int   lptDevice = ui->comboBoxLpt1->currentData().toInt();
    auto *device    = lpt_device_getdevice(lptDevice);

    DeviceConfig::ConfigureDevice(device, 1);
}

void
SettingsPorts::on_comboBoxLpt2_currentIndexChanged(int index)
{
    if (index < 0)
        return;

    int lptDevice = ui->comboBoxLpt2->currentData().toInt();

    ui->pushButtonConfigureLpt2->setEnabled(lpt_device_has_config(lptDevice));
}

void
SettingsPorts::on_pushButtonConfigureLpt2_clicked()
{
    int   lptDevice = ui->comboBoxLpt2->currentData().toInt();
    auto *device    = lpt_device_getdevice(lptDevice);

    DeviceConfig::ConfigureDevice(device, 1);
}

void
SettingsPorts::on_comboBoxLpt3_currentIndexChanged(int index)
{
    if (index < 0)
        return;

    int lptDevice = ui->comboBoxLpt3->currentData().toInt();

    ui->pushButtonConfigureLpt3->setEnabled(lpt_device_has_config(lptDevice));
}

void
SettingsPorts::on_pushButtonConfigureLpt3_clicked()
{
    int   lptDevice = ui->comboBoxLpt3->currentData().toInt();
    auto *device    = lpt_device_getdevice(lptDevice);

    DeviceConfig::ConfigureDevice(device, 1);
}

void
SettingsPorts::on_comboBoxLpt4_currentIndexChanged(int index)
{
    if (index < 0)
        return;

    int lptDevice = ui->comboBoxLpt4->currentData().toInt();

    ui->pushButtonConfigureLpt4->setEnabled(lpt_device_has_config(lptDevice));
}

void
SettingsPorts::on_pushButtonConfigureLpt4_clicked()
{
    int   lptDevice = ui->comboBoxLpt4->currentData().toInt();
    auto *device    = lpt_device_getdevice(lptDevice);

    DeviceConfig::ConfigureDevice(device, 1);
}

void
SettingsPorts::on_checkBoxParallel1_stateChanged(int state)
{
    ui->comboBoxLpt1->setEnabled(state == Qt::Checked);
}

void
SettingsPorts::on_checkBoxParallel2_stateChanged(int state)
{
    ui->comboBoxLpt2->setEnabled(state == Qt::Checked);
}

void
SettingsPorts::on_checkBoxParallel3_stateChanged(int state)
{
    ui->comboBoxLpt3->setEnabled(state == Qt::Checked);
}

void
SettingsPorts::on_checkBoxParallel4_stateChanged(int state)
{
    ui->comboBoxLpt4->setEnabled(state == Qt::Checked);
}

void
SettingsPorts::on_checkBoxSerial1_stateChanged(int state)
{
    ui->checkBoxSerialPassThru1->setEnabled(state == Qt::Checked);
    ui->pushButtonSerialPassThru1->setEnabled((state == Qt::Checked) && ui->checkBoxSerialPassThru1->isChecked());
}

void
SettingsPorts::on_checkBoxSerial2_stateChanged(int state)
{
    ui->checkBoxSerialPassThru2->setEnabled(state == Qt::Checked);
    ui->pushButtonSerialPassThru2->setEnabled((state == Qt::Checked) && ui->checkBoxSerialPassThru2->isChecked());
}

void
SettingsPorts::on_checkBoxSerial3_stateChanged(int state)
{
    ui->checkBoxSerialPassThru3->setEnabled(state == Qt::Checked);
    ui->pushButtonSerialPassThru3->setEnabled((state == Qt::Checked) && ui->checkBoxSerialPassThru3->isChecked());
}

void
SettingsPorts::on_checkBoxSerial4_stateChanged(int state)
{
    ui->checkBoxSerialPassThru4->setEnabled(state == Qt::Checked);
    ui->pushButtonSerialPassThru4->setEnabled((state == Qt::Checked) && ui->checkBoxSerialPassThru4->isChecked());
}

#if 0
void
SettingsPorts::on_checkBoxSerial5_stateChanged(int state)
{
    ui->checkBoxSerialPassThru5->setEnabled(state == Qt::Checked);
    ui->pushButtonSerialPassThru5->setEnabled((state == Qt::Checked) && ui->checkBoxSerialPassThru5->isChecked());
}

void
SettingsPorts::on_checkBoxSerial6_stateChanged(int state)
{
    ui->checkBoxSerialPassThru6->setEnabled(state == Qt::Checked);
    ui->pushButtonSerialPassThru6->setEnabled((state == Qt::Checked) && ui->checkBoxSerialPassThru6->isChecked());
}

void
SettingsPorts::on_checkBoxSerial7_stateChanged(int state)
{
    ui->checkBoxSerialPassThru7->setEnabled(state == Qt::Checked);
    ui->pushButtonSerialPassThru7->setEnabled((state == Qt::Checked) && ui->checkBoxSerialPassThru7->isChecked());
}
#endif

void
SettingsPorts::on_checkBoxSerialPassThru1_stateChanged(int state)
{
    ui->pushButtonSerialPassThru1->setEnabled(state == Qt::Checked);
}

void
SettingsPorts::on_checkBoxSerialPassThru2_stateChanged(int state)
{
    ui->pushButtonSerialPassThru2->setEnabled(state == Qt::Checked);
}

void
SettingsPorts::on_checkBoxSerialPassThru3_stateChanged(int state)
{
    ui->pushButtonSerialPassThru3->setEnabled(state == Qt::Checked);
}

void
SettingsPorts::on_checkBoxSerialPassThru4_stateChanged(int state)
{
    ui->pushButtonSerialPassThru4->setEnabled(state == Qt::Checked);
}

#if 0
void
SettingsPorts::on_checkBoxSerialPassThru5_stateChanged(int state)
{
    ui->pushButtonSerialPassThru5->setEnabled(state == Qt::Checked);
}

void
SettingsPorts::on_checkBoxSerialPassThru6_stateChanged(int state)
{
    ui->pushButtonSerialPassThru6->setEnabled(state == Qt::Checked);
}

void
SettingsPorts::on_checkBoxSerialPassThru7_stateChanged(int state)
{
    ui->pushButtonSerialPassThru7->setEnabled(state == Qt::Checked);
}
#endif

void
SettingsPorts::on_pushButtonSerialPassThru1_clicked()
{
    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 1);
}

void
SettingsPorts::on_pushButtonSerialPassThru2_clicked()
{
    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 2);
}

void
SettingsPorts::on_pushButtonSerialPassThru3_clicked()
{
    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 3);
}

void
SettingsPorts::on_pushButtonSerialPassThru4_clicked()
{
    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 4);
}

#if 0
void
SettingsPorts::on_pushButtonSerialPassThru5_clicked()
{
    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 5);
}

void
SettingsPorts::on_pushButtonSerialPassThru6_clicked()
{
    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 6);
}

void
SettingsPorts::on_pushButtonSerialPassThru7_clicked()
{
    DeviceConfig::ConfigureDevice(&serial_passthrough_device, 7);
}
#endif
