from ows_text_campaigns.campaigns.message import PreparedMessage


class TestPreparedMessage:
    def test_empty_and_whitespace_lines_removed_in_output(self) -> None:
        html = "<p>   </p><p>Line1</p><br><p>  </p><p>Line2</p>"
        msg = PreparedMessage(html)
        sms = msg.to_sms()
        whatsapp = msg.to_whatsapp()
        expected = "Line1\nLine2"

        assert sms == expected
        assert whatsapp == expected

    def test_nested_tags_formatting(self) -> None:
        html = "<b>bold and <i>italic</i></b>"
        msg = PreparedMessage(html)
        result = msg.to_whatsapp()

        assert result == "*bold and italic*"

    def test_removes_on_event_attributes_and_javascript_href(self) -> None:
        html = "<p onclick='evil()'>Click me</p><a href='javascript:alert(1)'>link</a>"
        msg = PreparedMessage(html)
        expected = "Click me\nlink"

        assert msg.to_sms() == expected
        assert msg.to_whatsapp() == expected

    def test_to_sms_clean_removes_disallowed_tags(self) -> None:
        html = "<div>Hello <b>World</b> <span>!</span></div>"
        msg = PreparedMessage(html)
        result = msg.to_sms()

        assert result == "Hello World !"

    def test_to_whatsapp_clean_removes_disallowed_tags(self) -> None:
        html = "<div>Hello <b>World</b> <span>!</span></div>"
        msg = PreparedMessage(html)
        result = msg.to_whatsapp()

        assert result == "Hello *World* !"

    def test_to_sms_br_and_p_conversion(self) -> None:
        html = "Line1<br>Line2<p>Paragraph</p>End"
        msg = PreparedMessage(html)
        result = msg.to_sms()

        assert result == "Line1\nLine2Paragraph\nEnd"

    def test_to_whatsapp_br_and_p_conversion(self) -> None:
        html = "Line1<br>Line2<p>Paragraph</p>End"
        msg = PreparedMessage(html)
        result = msg.to_whatsapp()

        assert result == "Line1\nLine2Paragraph\nEnd"

    def test_to_whatsapp_formatting(self) -> None:
        html = "<b>bold</b> <i>italic</i> <s>strike</s> <code>code</code> <pre>preformatted</pre>"
        msg = PreparedMessage(html)
        result = msg.to_whatsapp()

        assert result == "*bold* _italic_ ~strike~ `code` ```\npreformatted\n```"

    def test_to_whatsapp_links(self) -> None:
        html = '<a href="https://example.com">Example</a> and <a>no href</a>'
        msg = PreparedMessage(html)
        result = msg.to_whatsapp()

        assert result == "https://example.com and no href"

    def test_to_whatsapp_removes_all_tags(self) -> None:
        html = "<b>bold <i>and italic</i></b> <unknown>tag</unknown>"
        msg = PreparedMessage(html)
        result = msg.to_whatsapp()

        assert result == "*bold and italic* tag"

    def test_to_sms_removes_all_tags(self) -> None:
        html = "<b>bold</b> <i>italic</i> <a href='url'>link</a>"
        msg = PreparedMessage(html)
        result = msg.to_sms()

        assert result == "bold italic link"