from behave import *
from cli import Chrome

# ========================== Chrome.start () ==========================
@given ("the Chrome client")
def step_impl (context):
    context.client = Chrome()

@when ("the start method is called")
def step_impl (context):
    context.start_return = context.client.start()

@then ("Google Chrome must open")
def step_impl (context):
    assert context.start_return == "", "Google Chrome did not opened as expected."
    context.client.stop()


# ========================== Chrome.start_headless () ==========================
@when ("the start_headless method is called")
def step_impl (context):
    context.start_headless_return = context.client.start_headless()

@then ("Google Chrome must open headless")
def step_impl (context):
    assert context.start_headless_return == "", "Google Chrome did not opened as expected."
    context.client.stop()


# ========================== Chrome.stop () ==========================
@given ("a Chrome instance")
def step_impl (context):
    context.start_return = context.client.start()

@when ("the stop method is called upon it")
def step_impl (context):
    context.stop_return = context.client.stop()

@then ("this Google Chrome instance must close")
def step_impl (context):
    assert context.stop_return == "", "Google Chrome did not closed as expected."


# ========================== Chrome.new () ==========================
@when("the new method is called")
def step_impl(context):
    context.tab_id = context.client.new("https://www.youtube.com")

@then ("a new Google Chrome tab with the url given must open in the instance")
def step_impl(context):
    assert len(context.tab_id) == 32, "The new Google Chrome tab did not opened correctly."
    context.client.stop()


# ========================== Chrome.close () ==========================
@given ("the id of a new Google Chrome tab opened")
def step_impl(context):
    context.tab_id1 = context.client.new("https://www.gmail.com")
    context.tab_id2 = context.client.new("https://www.youtube.com")

@when ("the close method is called upon the tab id")
def step_impl(context):
    context.close_return = context.client.close(context.tab_id1)

@then("the tab must close")
def step_impl(context):
    assert context.close_return == "", "The tab did not closed correctly."
    context.client.stop()


# ========================== Chrome.eval () ==========================
@when("the eval method is called upon the tab id with a command")
def step_impl(context):
    context.eval_value = context.client.eval(context.tab_id1, "2+2")

@then("this command must give back a value")
def step_impl(context):
    assert context.eval_value != None, "The command did not worked as expected."
    context.client.stop()