import os
import wrappers

from behave import when, then
from textwrap import dedent


@when("we start external editor providing a file name")
def step_edit_file(context):
    """Edit file with external editor."""
    context.editor_file_name = os.path.join(context.package_root, "test_file_{0}.sql".format(context.conf["vi"]))
    if os.path.exists(context.editor_file_name):
        os.remove(context.editor_file_name)
    context.cli.sendline("\\e {0}".format(os.path.basename(context.editor_file_name)))
    wrappers.expect_exact(context, 'Entering Ex mode.  Type "visual" to go to Normal mode.', timeout=2)
    wrappers.expect_exact(context, "\r\n:", timeout=2)


@when('we type "{query}" in the editor')
def step_edit_type_sql(context, query):
    context.cli.sendline("i")
    context.cli.sendline(query)
    context.cli.sendline(".")
    wrappers.expect_exact(context, "\r\n:", timeout=2)


@when("we exit the editor")
def step_edit_quit(context):
    context.cli.sendline("x")
    wrappers.expect_exact(context, "written", timeout=2)


@then('we see "{query}" in prompt')
def step_edit_done_sql(context, query):
    for match in query.split(" "):
        wrappers.expect_exact(context, match, timeout=5)
    # Cleanup the command line.
    context.cli.sendcontrol("c")
    # Cleanup the edited file.
    if context.editor_file_name and os.path.exists(context.editor_file_name):
        os.remove(context.editor_file_name)


@when("we tee output")
def step_tee_ouptut(context):
    context.tee_file_name = os.path.join(context.package_root, "tee_file_{0}.sql".format(context.conf["vi"]))
    if os.path.exists(context.tee_file_name):
        os.remove(context.tee_file_name)
    context.cli.sendline("tee {0}".format(os.path.basename(context.tee_file_name)))


@when('we select "select {param}"')
def step_query_select_number(context, param):
    context.cli.sendline("select {}".format(param))
    wrappers.expect_pager(
        context,
        dedent(
            """\
        +{dashes}+\r
        | {param} |\r
        +{dashes}+\r
        | {param} |\r
        +{dashes}+\r
        \r
        """.format(param=param, dashes="-" * (len(param) + 2))
        ),
        timeout=5,
    )
    wrappers.expect_exact(context, "1 row in set", timeout=2)


@then('we see result "{result}"')
def step_see_result(context, result):
    wrappers.expect_exact(context, "| {} |".format(result), timeout=2)


@when('we query "{query}"')
def step_query(context, query):
    context.cli.sendline(query)


@when("we notee output")
def step_notee_output(context):
    context.cli.sendline("notee")


@then("we see 123456 in tee output")
def step_see_123456_in_ouput(context):
    with open(context.tee_file_name) as f:
        assert "123456" in f.read()
    if os.path.exists(context.tee_file_name):
        os.remove(context.tee_file_name)


@then('delimiter is set to "{delimiter}"')
def delimiter_is_set(context, delimiter):
    wrappers.expect_exact(context, "Changed delimiter to {}".format(delimiter), timeout=2)
