#!/usr/bin/env python3

import threading
import os

import common
import lkmc.import_path
import path_properties

class Main(common.TestCliFunction):
    def __init__(self):
        super().__init__(
            description='''\
https://cirosantilli.com/linux-kernel-module-cheat#gdb-tests
''',
            defaults={
                'mode': 'userland',
            }
        )
        self.add_argument(
            'tests',
            nargs='*',
            help='''\
If given, run only the given tests. Otherwise, run all tests,
found by searching for the Python test files.
'''
        )

    def setup_one(self):
        self.env['tests'] = self.resolve_targets(
            [
                self.env['baremetal_source_dir'],
                self.env['userland_source_dir']
            ],
            self.env['tests']
        )

    def timed_main(self):
        if self.env['mode'] == 'userland':
            exts = self.env['build_in_exts']
        elif self.env['mode'] == 'baremetal':
            exts = self.env['baremetal_build_in_exts']
        rootdir_abs_len = len(self.env['root_dir'])
        for test in self.env['tests']:
            for path, in_dirnames, in_filenames in self.sh.walk(test):
                path_abs = os.path.abspath(path)
                dirpath_relative_root = path_abs[rootdir_abs_len + 1:]
                for in_filename in in_filenames:
                    in_file_abs = os.path.join(path_abs, in_filename)
                    path_relative_root = os.path.join(dirpath_relative_root, in_filename)
                    path_relative_root_base, ext = os.path.splitext(path_relative_root)
                    if ext in exts and os.path.exists(path_relative_root_base + '.py'):
                        my_path_properties = path_properties.get(path_relative_root)
                        if my_path_properties.should_be_tested(
                            self.env,
                        ):
                            run = lkmc.import_path.import_path_main('run')
                            run_gdb = lkmc.import_path.import_path_main('run-gdb')
                            common_args = self.get_common_args()
                            common_args[self.env['mode']] = path_relative_root
                            run_args = common_args.copy()
                            run_args['gdb_wait'] = True
                            run_args.update(self.base_run_args)
                            test_id_string = self.test_setup(
                                run_args,
                                '{} {}'.format(self.env['mode'], path_relative_root)
                            )
                            run_thread = threading.Thread(target=lambda: run(**run_args))
                            run_thread.start()
                            gdb_args = common_args.copy()
                            gdb_args['test'] = True
                            exit_status = run_gdb(**gdb_args)
                            run_thread.join()
                            self.test_teardown(run, exit_status, test_id_string)

if __name__ == '__main__':
    Main().cli()