from app.services.handoff_email_templates import external_reply_subject
from app.services.reply_extractor import extract_new_reply_content, validate_external_reply_body

SCREENSHOT_REPLY = """ahan, did you receive a response?

On Tue, Oct 6, 2026 at 2:11 AM <suyash@gentic.email> wrote:

> Human Handoff
>
> A conversation needs your attention.
>
> From
> 091rabbytes@gmail.com
>
> Subject
> are you ready?
>
> Latest message
> "lets start a threaddddd"
>
> Why this was handed off
> No handoff instructions were set, so this step passes.
>
> Reply to this email to respond to the original sender through suyash@gentic.email.
>
> Your reply will be sent to the customer.
>
> Gentic Human Handoff"""


def test_extracts_new_reply_from_gmail_quote():
    result = extract_new_reply_content(body_text=SCREENSHOT_REPLY)
    assert result["new_reply_content"] == "ahan, did you receive a response?"
    assert "Human Handoff" in result["quoted_content"]
    assert "091rabbytes@gmail.com" in result["quoted_content"]


def test_extracted_reply_passes_leakage_guard():
    result = extract_new_reply_content(body_text=SCREENSHOT_REPLY)
    assert validate_external_reply_body(result["new_reply_content"]) is True


def test_leakage_guard_blocks_private_template():
    assert validate_external_reply_body(SCREENSHOT_REPLY) is False


def test_external_reply_subject_uses_customer_subject():
    assert external_reply_subject("are you ready?") == "Re: are you ready?"
    assert external_reply_subject("Human Handoff · are you ready?") == "Re: are you ready?"


def test_extracts_reply_before_blockquote_lines():
    body = """responder: B
> sender: A"""
    result = extract_new_reply_content(body_text=body)
    assert result["new_reply_content"] == "responder: B"
    assert "sender: A" in result["quoted_content"]


def test_extracts_reply_from_gmail_on_wrote_without_blank_line():
    body = """sender: C
On Tue, Oct 6, 2026 at 4:29 AM <suyash@gentic.email> wrote:
> Responder: B
> sender: A"""
    result = extract_new_reply_content(body_text=body)
    assert result["new_reply_content"] == "sender: C"
    assert "Responder: B" in result["quoted_content"]


def test_build_reply_display_uses_clean_snippet():
    from app.services.reply_extractor import build_reply_display

    body = """responder: D
On Tue, Oct 6, 2026 at 4:29 AM wrote:
> sender: C"""
    result = build_reply_display(body_text=body)
    assert result["snippet"] == "responder: D"
    assert result["has_quoted_text"] is True


def test_html_reply_preserves_nested_quoted_history():
    body = """
    <div>sender: E</div>
    <div class="gmail_quote">
      <div class="gmail_attr">
        On Tue, Oct 6, 2026 at 4:48 AM &lt;suyash@gentic.email&gt; wrote:
      </div>
      <blockquote>
        <div>responder: D</div>
        <blockquote><div>sender: C</div></blockquote>
      </blockquote>
    </div>
    """
    result = extract_new_reply_content(body_text="", body_html=body)

    assert result["new_reply_content"] == "sender: E"
    assert "On Tue, Oct 6, 2026 at 4:48 AM" in result["quoted_content"]
    assert "> responder: D" in result["quoted_content"]
    assert "> > sender: C" in result["quoted_content"]


def test_outlook_original_message_split():
    body = """Thanks for the update.

-----Original Message-----
From: support@gentic.email
Subject: Human Handoff"""
    result = extract_new_reply_content(body_text=body)
    assert result["new_reply_content"] == "Thanks for the update."