from core.Event import Event
from core.ExecutionContext import ExecutionContext, ExecutionContextActions


def test_i_can_create_execution_context(sheerka):
    event = Event("myEvent", "fake_userid")
    context1 = ExecutionContext("who", event, sheerka, ExecutionContextActions.TESTING, "value1", "my desc")

    assert context1.who == "who"
    assert context1.event == event
    assert context1.sheerka == sheerka
    assert context1.action == ExecutionContextActions.TESTING
    assert context1.action_context == "value1"
    assert context1.desc == "my desc"
    assert context1.id == 0
    assert context1.long_id == f"{event.get_digest()}:{context1.id}"


def test_i_can_push(sheerka):
    event = Event("test")
    context = ExecutionContext("who", event, sheerka, ExecutionContextActions.TESTING, "value")
    with context.push("pusher", ExecutionContextActions.PARSING, "action_context", "my desc") as sub_context:
        assert sub_context.who == "pusher"
        assert sub_context.event == event
        assert sub_context.sheerka == sheerka
        assert sub_context.action == ExecutionContextActions.PARSING
        assert sub_context.action_context == "action_context"
        assert sub_context.desc == "my desc"
        assert sub_context.id == context.id + 1


def test_i_can_increment_ids(sheerka):
    # The id of an execution context is linked to the event
    # If the event is the same, the id is incremented

    event = Event("TEST::myEvent", "fake_userid")
    context1 = ExecutionContext("who", event, sheerka, ExecutionContextActions.TESTING, "value")
    context2 = context1.push("who1", ExecutionContextActions.TESTING, "value1")
    context3 = context2.push("who2", ExecutionContextActions.TESTING, "value2")
    context4 = context1.push("who1", ExecutionContextActions.TESTING, "value3")
    context5 = ExecutionContext("who", event, sheerka, ExecutionContextActions.TESTING, "value4")

    assert context1.id == 0
    assert context2.id == 1
    assert context3.id == 2
    assert context4.id == 3
    assert context5.id == 4

    event2 = Event("TEST::myEvent2", "fake_userid")
    context6 = ExecutionContext("who", event2, sheerka, ExecutionContextActions.TESTING, "value")
    assert context6.id == 0


def test_i_can_manage_global_hints(context):
    context2 = context.push("pusher", ExecutionContextActions.TESTING, None)
    context3 = context2.push("pusher", ExecutionContextActions.TESTING, None)
    context4 = context3.push("pusher", ExecutionContextActions.TESTING, None)
    context5 = context.push("pusher", ExecutionContextActions.TESTING, None)

    context.global_hints.add("new_hint")
    assert context.global_hints == {"new_hint"}
    assert context2.global_hints == {"new_hint"}
    assert context3.global_hints == {"new_hint"}
    assert context4.global_hints == {"new_hint"}
    assert context5.global_hints == {"new_hint"}

    context4.global_hints.add("another_hint")
    assert context.global_hints == {"new_hint", "another_hint"}
    assert context2.global_hints == {"new_hint", "another_hint"}
    assert context3.global_hints == {"new_hint", "another_hint"}
    assert context4.global_hints == {"new_hint", "another_hint"}
    assert context5.global_hints == {"new_hint", "another_hint"}


def test_i_can_manage_protected_hint(context):
    # Note that protected hint only works if the hint is added BEFORE the creation of the child
    context.protected_hints.add("new_hint")
    context2 = context.push("pusher", ExecutionContextActions.TESTING, None)
    context3 = context2.push("pusher", ExecutionContextActions.TESTING, None)
    context3.protected_hints.add("another_hint")
    context4 = context3.push("pusher", ExecutionContextActions.TESTING, None)
    context5 = context.push("pusher", ExecutionContextActions.TESTING, None)

    assert context.protected_hints == {"new_hint"}
    assert context2.protected_hints == {"new_hint"}
    assert context3.protected_hints == {"new_hint", "another_hint"}
    assert context4.protected_hints == {"new_hint", "another_hint"}
    assert context5.protected_hints == {"new_hint"}


def test_i_can_manage_private_hints(context):
    context.private_hints.add("new_hint")
    context2 = context.push("pusher", ExecutionContextActions.TESTING, None)
    context3 = context2.push("pusher", ExecutionContextActions.TESTING, None)
    context3.private_hints.add("another_hint")
    context4 = context3.push("pusher", ExecutionContextActions.TESTING, None)
    context5 = context.push("pusher", ExecutionContextActions.TESTING, None)

    assert context.private_hints == {"new_hint"}
    assert context2.private_hints == set()
    assert context3.private_hints == {"another_hint"}
    assert context4.private_hints == set()
    assert context5.private_hints == set()


def test_i_can_keep_track_of_children(context):
    context2 = context.push("pusher", ExecutionContextActions.TESTING, None)
    context3 = context.push("pusher", ExecutionContextActions.TESTING, None)
    context4 = context2.push("pusher2", ExecutionContextActions.TESTING, None)

    assert len(context._children) == 2
    assert len(context2._children) == 1
    assert len(context3._children) == 0
    assert len(context4._children) == 0


def test_i_can_get_children(context):
    context1 = context.push("child 1", ExecutionContextActions.TESTING, None)
    context2 = context.push("child 2", ExecutionContextActions.TESTING, None)
    context3 = context.push("child 3", ExecutionContextActions.TESTING, None)
    context21 = context2.push("child 21", ExecutionContextActions.TESTING, None)
    context22 = context2.push("child 22", ExecutionContextActions.TESTING, None)
    context211 = context21.push("child 211", ExecutionContextActions.TESTING, None)
    context31 = context3.push("child 31", ExecutionContextActions.TESTING, None)

    assert list(context1.get_children()) == []

    assert list(context.get_children()) == [
        context1,
        context2,
        context21,
        context211,
        context22,
        context3,
        context31
    ]

    assert list(context.get_children(level=1)) == [
        context1,
        context2,
        context3
    ]

    assert list(context.get_children(level=2)) == [
        context1,
        context2,
        context21,
        context22,
        context3,
        context31,
    ]