from __future__ import absolute_import

from errbot import BotFlow, FlowRoot, botflow


class FlowDefinitions(BotFlow):
    """A plugin to test the flows
    see flowtest.png for the structure.
    """

    @botflow
    def w1(self, flow: FlowRoot):
        "documentation of W1"
        a_node = flow.connect("a")  # no autotrigger
        b_node = a_node.connect("b")
        c_node = a_node.connect("c")  # crosses the autotrigger of w2
        d_node = c_node.connect("d")

        assert a_node.hints
        assert b_node.hints
        assert c_node.hints
        assert d_node.hints

    @botflow
    def w2(self, flow: FlowRoot):
        """documentation of W2"""
        c_node = flow.connect("c", auto_trigger=True)
        b_node = c_node.connect("b")
        e_node = flow.connect(
            "e", auto_trigger=True
        )  # 2 autotriggers for the same workflow
        d_node = e_node.connect("d")

    @botflow
    def w3(self, flow: FlowRoot):
        """documentation of W3"""
        c_node = flow.connect("a", room_flow=True)
        b_node = c_node.connect("b")

    @botflow
    def w4(self, flow: FlowRoot):
        """documentation of W4"""
        a_node = flow.connect("a")
        b_node = a_node.connect("b")
        c_node = b_node.connect("c")
        c_node.connect("d")

        # set some hinting.
        flow.hints = False
        a_node.hints = False
        b_node.hints = True
        c_node.hint = False