# -*- coding: utf-8 -*-

from argparse import Namespace, ArgumentParser

from ...lib.log import *
from ..Cmd import Cmd
from ..CmdProjects import CmdProjects

class CmdModules(Cmd): # export

    def __init__(self, parent: CmdProjects) -> None:
        super().__init__(parent, 'modules', help='Query existing janware packages')

    def add_arguments(self, parser: ArgumentParser) -> None:
        super().add_arguments(parser)
        parser.add_argument('-F', '--filter', nargs='?', default=None, help='Key-value pairs, seperated by commas, to be searched for in project.conf')

    async def _run(self, args: Namespace) -> None:
        import pathlib
        proj_root = self.app.projs_root
        log(DEBUG, "proj_root = " + proj_root)
        path = pathlib.Path(self.app.projs_root)
        modules = [p.parents[1].name for p in path.glob('*/make/project.conf')]
        log(DEBUG, "modules = ", modules)
        out = []
        filters = None if args.filter is None else [re.split("=", f) for f in re.split(",", args.filter)]
        for m in modules:
            if filters:
                for f in filters:
                    path = f[0].rsplit('.')
                    if len(path) > 1:
                        sec = path[0]
                        key = path[1]
                    else:
                        sec = None
                        key = path[0]
                    val = self.app.get_value(m, sec, key)
                    log(DEBUG, 'Checking in {} if {}="{}", is "{}"'.format(m, f[0], f[1], val))
                    if val and val == f[1]:
                        out.append(m)
                        break
            else:
                out.append(m)
        print(' '.join(out))