from unittest import mock


def test_password_forgotten_disabled(smtpd, testclient, user):
    testclient.app.config["ENABLE_PASSWORD_RECOVERY"] = False

    testclient.get("/reset", status=404)
    testclient.get("/reset/uid/hash", status=404)

    res = testclient.get("/login")
    assert "Forgotten password" not in res.text


def test_password_forgotten(smtpd, testclient, user):
    res = testclient.get("/reset", status=200)

    res.form["login"] = "user"
    res = res.form.submit(status=200)
    assert "A password reset link has been sent at your email address." in res.text
    assert "Send again" in res.text

    assert len(smtpd.messages) == 1


def test_password_forgotten_invalid_form(smtpd, testclient, user):
    res = testclient.get("/reset", status=200)

    res.form["login"] = ""
    res = res.form.submit(status=200)
    assert "Could not send the password reset link." in res.text

    assert len(smtpd.messages) == 0


def test_password_forgotten_invalid(smtpd, testclient, user):
    testclient.app.config["HIDE_INVALID_LOGINS"] = True
    res = testclient.get("/reset", status=200)

    res.form["login"] = "i-dont-really-exist"
    res = res.form.submit(status=200)
    assert "A password reset link has been sent at your email address." in res.text
    assert "The login 'i-dont-really-exist' does not exist" not in res.text

    testclient.app.config["HIDE_INVALID_LOGINS"] = False
    res = testclient.get("/reset", status=200)

    res.form["login"] = "i-dont-really-exist"
    res = res.form.submit(status=200)
    assert "A password reset link has been sent at your email address." not in res.text
    assert "The login 'i-dont-really-exist' does not exist" in res.text

    assert len(smtpd.messages) == 0


def test_password_forgotten_invalid_when_user_cannot_self_edit(smtpd, testclient, user):
    testclient.app.config["ACL"]["DEFAULT"]["PERMISSIONS"] = []

    testclient.app.config["HIDE_INVALID_LOGINS"] = False
    res = testclient.get("/reset", status=200)

    res.form["login"] = "user"
    res = res.form.submit(status=200)
    assert "A password reset link has been sent at your email address." not in res.text
    assert (
        "The user 'John (johnny) Doe' does not have permissions to update their password."
        in res.text
    )

    testclient.app.config["HIDE_INVALID_LOGINS"] = True
    res = testclient.get("/reset", status=200)

    res.form["login"] = "user"
    res = res.form.submit(status=200)
    assert (
        "The user 'John (johnny) Doe' does not have permissions to update their password."
        not in res.text
    )
    assert "A password reset link has been sent at your email address." in res.text

    assert len(smtpd.messages) == 0


@mock.patch("smtplib.SMTP")
def test_password_forgotten_mail_error(SMTP, smtpd, testclient, user):
    SMTP.side_effect = mock.Mock(side_effect=OSError("unit test mail error"))
    res = testclient.get("/reset", status=200)

    res.form["login"] = "user"
    res = res.form.submit(status=200, expect_errors=True)
    assert "A password reset link has been sent at your email address." not in res.text
    assert "We encountered an issue while we sent the password recovery email." in res
    assert "Send again" in res.text

    assert len(smtpd.messages) == 0