# This file is part of beets.
# Copyright 2016, Adrian Sampson.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.

"""Tests the TerminalImportSession. The tests are the same as in the

test_importer module. But here the test importer inherits from
``TerminalImportSession``. So we test this class, too.
"""

import unittest
from test import test_importer
from test._common import DummyIO

from beets import config, importer
from beets.ui.commands import TerminalImportSession


class TerminalImportSessionFixture(TerminalImportSession):
    def __init__(self, *args, **kwargs):
        self.io = kwargs.pop("io")
        super().__init__(*args, **kwargs)
        self._choices = []

    default_choice = importer.action.APPLY

    def add_choice(self, choice):
        self._choices.append(choice)

    def clear_choices(self):
        self._choices = []

    def choose_match(self, task):
        self._add_choice_input()
        return super().choose_match(task)

    def choose_item(self, task):
        self._add_choice_input()
        return super().choose_item(task)

    def _add_choice_input(self):
        try:
            choice = self._choices.pop(0)
        except IndexError:
            choice = self.default_choice

        if choice == importer.action.APPLY:
            self.io.addinput("A")
        elif choice == importer.action.ASIS:
            self.io.addinput("U")
        elif choice == importer.action.ALBUMS:
            self.io.addinput("G")
        elif choice == importer.action.TRACKS:
            self.io.addinput("T")
        elif choice == importer.action.SKIP:
            self.io.addinput("S")
        elif isinstance(choice, int):
            self.io.addinput("M")
            self.io.addinput(str(choice))
            self._add_choice_input()
        else:
            raise Exception("Unknown choice %s" % choice)


class TerminalImportSessionSetup:
    """Overwrites test_importer.ImportHelper to provide a terminal importer"""

    def _setup_import_session(
        self,
        import_dir=None,
        delete=False,
        threaded=False,
        copy=True,
        singletons=False,
        move=False,
        autotag=True,
    ):
        config["import"]["copy"] = copy
        config["import"]["delete"] = delete
        config["import"]["timid"] = True
        config["threaded"] = False
        config["import"]["singletons"] = singletons
        config["import"]["move"] = move
        config["import"]["autotag"] = autotag
        config["import"]["resume"] = False

        if not hasattr(self, "io"):
            self.io = DummyIO()
        self.io.install()
        self.importer = TerminalImportSessionFixture(
            self.lib,
            loghandler=None,
            query=None,
            io=self.io,
            paths=[import_dir or self.import_dir],
        )


class NonAutotaggedImportTest(
    TerminalImportSessionSetup, test_importer.NonAutotaggedImportTest
):
    pass


class ImportTest(TerminalImportSessionSetup, test_importer.ImportTest):
    pass


class ImportSingletonTest(
    TerminalImportSessionSetup, test_importer.ImportSingletonTest
):
    pass


class ImportTracksTest(
    TerminalImportSessionSetup, test_importer.ImportTracksTest
):
    pass


class ImportCompilationTest(
    TerminalImportSessionSetup, test_importer.ImportCompilationTest
):
    pass


class ImportExistingTest(
    TerminalImportSessionSetup, test_importer.ImportExistingTest
):
    pass


class ChooseCandidateTest(
    TerminalImportSessionSetup, test_importer.ChooseCandidateTest
):
    pass


class GroupAlbumsImportTest(
    TerminalImportSessionSetup, test_importer.GroupAlbumsImportTest
):
    pass


class GlobalGroupAlbumsImportTest(
    TerminalImportSessionSetup, test_importer.GlobalGroupAlbumsImportTest
):
    pass


def suite():
    return unittest.TestLoader().loadTestsFromName(__name__)


if __name__ == "__main__":
    unittest.main(defaultTest="suite")