#############################################################################
##
## Copyright (c) 2020 Riverbank Computing Limited <info@riverbankcomputing.com>
## 
## This file is part of PyQt5.
## 
## This file may be used under the terms of the GNU General Public License
## version 3.0 as published by the Free Software Foundation and appearing in
## the file LICENSE included in the packaging of this file.  Please review the
## following information to ensure the GNU General Public License version 3.0
## requirements will be met: http://www.gnu.org/copyleft/gpl.html.
## 
## If you do not wish to use this file under the terms of the GPL version 3.0
## then you may purchase a commercial license.  For more information contact
## info@riverbankcomputing.com.
## 
## This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
## WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
##
#############################################################################


import sys
import optparse

from PyQt5 import QtCore

from .driver import Driver
from .exceptions import NoSuchClassError, NoSuchWidgetError


Version = "Python User Interface Compiler %s for Qt version %s" % (QtCore.PYQT_VERSION_STR, QtCore.QT_VERSION_STR)


def main():
    parser = optparse.OptionParser(usage="pyuic5 [options] <ui-file>",
            version=Version)
    parser.add_option("-p", "--preview", dest="preview", action="store_true",
            default=False,
            help="show a preview of the UI instead of generating code")
    parser.add_option("-o", "--output", dest="output", default="-",
            metavar="FILE",
            help="write generated code to FILE instead of stdout")
    parser.add_option("-x", "--execute", dest="execute", action="store_true",
            default=False,
            help="generate extra code to test and display the class")
    parser.add_option("-d", "--debug", dest="debug", action="store_true",
            default=False, help="show debug output")
    parser.add_option("-i", "--indent", dest="indent", action="store",
            type="int", default=4, metavar="N",
            help="set indent width to N spaces, tab if N is 0 [default: 4]")

    g = optparse.OptionGroup(parser, title="Code generation options")
    g.add_option("--import-from", dest="import_from", metavar="PACKAGE",
            help="generate imports of pyrcc5 generated modules in the style 'from PACKAGE import ...'")
    g.add_option("--from-imports", dest="from_imports", action="store_true",
            default=False, help="the equivalent of '--import-from=.'")
    g.add_option("--resource-suffix", dest="resource_suffix", action="store",
            type="string", default="_rc", metavar="SUFFIX",
            help="append SUFFIX to the basename of resource files [default: _rc]")
    parser.add_option_group(g)

    opts, args = parser.parse_args()

    if len(args) != 1:
        sys.stderr.write("Error: one input ui-file must be specified\n")
        sys.exit(1)

	# Invoke the appropriate driver.
    driver = Driver(opts, args[0])

    exit_status = 1

    try:
        exit_status = driver.invoke()

    except IOError as e:
        driver.on_IOError(e)

    except SyntaxError as e:
        driver.on_SyntaxError(e)

    except NoSuchClassError as e:
        driver.on_NoSuchClassError(e)

    except NoSuchWidgetError as e:
        driver.on_NoSuchWidgetError(e)

    except Exception as e:
        driver.on_Exception(e)

    sys.exit(exit_status)


if __name__ == '__main__':
    main()