import sys
import os
from subprocess import call
import fileinput


def gen(force=False):
    if sys.platform == "win32":
        bindir = r"c:\Python34\Lib\site-packages\PyQt5"
    else:
        bindir = "/usr/bin"

    if sys.platform == "win32":
        uic_path = os.path.join(bindir, "pyuic5.bat")
        rcc_path = os.path.join(bindir, "pyrcc5.exe")
    else:
        uic_path = os.path.join(bindir, "pyuic5")
        rcc_path = os.path.join(bindir, "pyrcc5")

    file_dir = os.path.join(os.path.dirname(os.path.realpath(__file__)), "ui")
    ui_path = file_dir
    rc_path = file_dir
    out_path = os.path.join(file_dir, "..", "..", "src", "urh", "ui")

    ui_files = [f for f in os.listdir(ui_path) if f.endswith(".ui")]
    rc_files = [f for f in os.listdir(rc_path) if f.endswith(".qrc")]

    for f in ui_files:
        file_path = os.path.join(ui_path, f)
        outfile = "ui_" + f.replace(".ui", ".py")
        out_file_path = os.path.join(out_path, outfile)
        time_ui_file = os.path.getmtime(file_path)
        try:
            time_generated_file = os.path.getmtime(out_file_path)
        except os.error:
            time_generated_file = 0

        if time_generated_file >= time_ui_file and not force:
            # Generated file is already there and newer than ui file, no need to recompile it
            continue

        call([uic_path, "--from-imports", file_path, "-o", out_file_path])

        # Remove Line: # Form implementation generated from reading ui file '/home/joe/GIT/urh/ui/fuzzing.ui'
        # to avoid useless git updates when working on another computer
        for line in fileinput.input(out_file_path, inplace=True):
            if line.startswith("# Form implementation generated from reading ui file") or line.startswith(
                    "# Created by: "):
                continue
            if line.strip().startswith("QtCore.QMetaObject.connectSlotsByName("):
                # disable auto slot connection, as we do not use it, and it causes crash on python 3.7
                continue
            print(line, end='')

    for f in rc_files:
        file_path = os.path.join(rc_path, f)
        out_file = f.replace(".qrc", "_rc.py")
        out_file_path = os.path.join(out_path, out_file)

        time_rc_file = os.path.getmtime(file_path)
        try:
            time_generated_file = os.path.getmtime(out_file_path)
        except os.error:
            time_generated_file = 0

        if time_generated_file < time_rc_file or force:
            # Only create, when generated file is old than rc file to prevent unneeded git pushes
            call([rcc_path, file_path, "-o", out_file_path])


if __name__ == "__main__":
    gen()