#!/bin/bash
#
# Copyright (C) 2013-2020 Mattia Basaglia
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

SELFDIR=$(dirname $(readlink -se "${BASH_SOURCE[0]}"))

function class_to_underscore()
{
    echo "$1" | sed -r -e 's/([a-z])([A-Z])/\1_\L\2/g' -e 's/[A-Z]/\L\0/g'
}

function class_to_header()
{
    echo "$(class_to_underscore "$1").hpp"
}

function header_to_source()
{
    echo "$1" | sed -r -e 's/\.h(pp)?$/.cpp/i'
}

function read_arg()
{
    varname=$1
    prompt="$2"
    default="$3"
    [ "$default" ] && prompt="${prompt} [$default]"
    read -p "$prompt: " -i "$default" $varname
    [ -z "${!varname}" ] && eval "$varname=\"$default\""
}

function header_to_guard()
{
    echo "$1" | tr [:lower:] [:upper:] | tr /. _
}

read_arg class "Class name"
[ -z "$class" ] && exit 1
read_arg description "Description"
read_arg header "Header" "$(class_to_header "$class")"

read_arg plugin "Plugin Class" "${class}_Plugin"
read_arg plugin_header "Plugin Header" "$(class_to_header "$plugin")"
read_arg plugin_source "Plugin Source" "$(header_to_source "$plugin_header")"
read_arg plugin_path "Plugin Path" "$SELFDIR"
read_arg plugin_author "Author" "$(git config user.name)"
read_arg plugin_copyright "Copyright" "2013-$(date +%Y) $plugin_author"

echo "Summary:"
echo "  Class:         $class"
echo "  Description:   $description"
echo "  Header:        $header"
echo "  Plugin Class:  $plugin"
echo "  Plugin Header: $plugin_header"
echo "  Plugin Source: $plugin_source"
echo "  Plugin Path:   $plugin_path"
echo "  Author:        $plugin_author"
echo "  Copyright:     $plugin_copyright"

object_name="$(class_to_underscore $class)"

cat >"$plugin_path/$plugin_source" <<PLUGIN
/**
 * \file
 *
 * \author $plugin_author
 *
 * \copyright Copyright (C) $plugin_copyright
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
#include "$plugin_header"
#include "QtColorWidgets/$header"

QWidget* $plugin::createWidget(QWidget *parent)
{
    color_widgets::$class *widget = new color_widgets::$class(parent);
    return widget;
}

QIcon $plugin::icon() const
{
    return QIcon();
}

QString $plugin::domXml() const
{
    return "<ui language=\"c++\">\n"
           " <widget class=\"color_widgets::$class\" name=\"$object_name\">\n"
           " </widget>\n"
           "</ui>\n";
}

bool $plugin::isContainer() const
{
    return false;
}

$plugin::$plugin(QObject *parent) :
    QObject(parent), initialized(false)
{
}

void $plugin::initialize(QDesignerFormEditorInterface *)
{
    initialized = true;
}

bool $plugin::isInitialized() const
{
    return initialized;
}

QString $plugin::name() const
{
    return "color_widgets::$class";
}

QString $plugin::group() const
{
    return "Color Widgets";
}

QString $plugin::toolTip() const
{
    return "$description";
}

QString $plugin::whatsThis() const
{
    return toolTip();
}

QString $plugin::includeFile() const
{
    return "QtColorWidgets/$header";
}

PLUGIN

header_guard="COLOR_WIDGETS_$(header_to_guard "$plugin_header")"
cat >"$plugin_path/$plugin_header" <<PLUGIN
/**
 * \file
 *
 * \author $plugin_author
 *
 * \copyright Copyright (C) $plugin_copyright
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
#ifndef $header_guard
#define $header_guard

#include <QObject>
#include <QtUiPlugin/QDesignerCustomWidgetInterface>

class $plugin : public QObject, public QDesignerCustomWidgetInterface
{
    Q_OBJECT
    Q_INTERFACES(QDesignerCustomWidgetInterface)

public:
    explicit $plugin(QObject *parent = nullptr);

    void initialize(QDesignerFormEditorInterface *core) Q_DECL_OVERRIDE;
    bool isInitialized() const Q_DECL_OVERRIDE;

    QWidget *createWidget(QWidget *parent) Q_DECL_OVERRIDE;

    QString name() const Q_DECL_OVERRIDE;
    QString group() const Q_DECL_OVERRIDE;
    QIcon icon() const Q_DECL_OVERRIDE;
    QString toolTip() const Q_DECL_OVERRIDE;
    QString whatsThis() const Q_DECL_OVERRIDE;
    bool isContainer() const Q_DECL_OVERRIDE;

    QString domXml() const Q_DECL_OVERRIDE;

    QString includeFile() const Q_DECL_OVERRIDE;

private:
    bool initialized;
};


#endif // $header_guard

PLUGIN

sed -i -r \
    -e "\\~# add new sources above this line~i\\$plugin_source" \
    -e "\\~# add new headers above this line~i\\$plugin_header" \
    "$plugin_path/CMakeLists.txt"

sed -i -r \
    -e "\\~// add new plugin headers above this line~i#include \"$plugin_header\"" \
    -e "\\~// add new plugins above this line~i\    widgets.push_back(new $plugin(this));" \
    "$plugin_path/color_widget_plugin_collection.cpp"