import argparse

import pytest

from feed_ingestion.flows.insta_reels import exec  # noqa:A004
from tests.test_exec_flow import FlowExecTestBase
from tests.testing_utils import parametrize_by_dicts, raises_optionally


class TestFlowExec(FlowExecTestBase):

    @pytest.fixture(autouse=True)
    def setup(self):
        self.flow_exec = exec.FlowExec()

    PARSER_ARGS = FlowExecTestBase.PARSER_ARGS | {
        'report', 'months', 'skip',
    }

    ARGS_REQUIRED = FlowExecTestBase.ARGS_REQUIRED | {
        'report'}

    AGRS_CHOICES = FlowExecTestBase.AGRS_CHOICES | {
        'report': ['ALL', 'creations', 'views'],
    }
    ARGS_DEFAULTS = FlowExecTestBase.ARGS_DEFAULTS | {
        'skip': 1,
        'months': 1,
    }

    @parametrize_by_dicts(
        'args, expected, raises', [
            dict(
                case='one report',
                args=argparse.Namespace(
                    report='views'
                ),
                expected=[
                    {'report': 'views'},
                ]
            ),
            dict(
                case='ALL reports',
                args=argparse.Namespace(
                    report='ALL'
                ),
                expected=[
                    {'report': 'creations'},
                    {'report': 'views'},
                ]
            ),
            dict(
                case='None report',
                args=argparse.Namespace(
                    report=None
                ),
                expected=[{}]
            ),
            dict(
                case='empty report',
                args=argparse.Namespace(
                    report=''
                ),
                expected=[{}]
            ),
        ]
    )
    def test_generate_contexts(self, args, expected, raises):
        self.flow_exec.args = args
        with raises_optionally(raises):

            contexts = self.flow_exec.generate_contexts()

            assert list(contexts) == expected