"""Tests for the App Home tab (about page + What's New)."""

from shared.blocks import build_home_view


def _headers(view):
    return [b["text"]["text"] for b in view["blocks"] if b["type"] == "header"]


class TestBuildHomeView:
    def test_includes_about_and_commands(self):
        view = build_home_view()
        assert view["type"] == "home"
        assert "After-Hours Shift Manager" in _headers(view)
        assert "/oncall" in str(view["blocks"])

    def test_omits_whats_new_without_version(self):
        view = build_home_view()
        assert all("What's New" not in h for h in _headers(view))

    def test_includes_whats_new_with_version(self):
        view = build_home_view(
            "1.10.0", "**Self-announcing** releases.", "June 11, 2026"
        )
        assert "What's New in v1.10.0" in _headers(view)
        # Notes are converted from Markdown to Slack mrkdwn.
        assert "*Self-announcing*" in str(view["blocks"])
        assert any(b.get("type") == "context" for b in view["blocks"])


def test_publish_home_publishes_latest_entry(slackbot_app, client):
    text = "## v1.10.0 — June 11, 2026\n\n**New stuff.**\n\n## v1.9.2 — June 1, 2026\n\nOld.\n"
    slackbot_app.publish_home(client, "U_ALICE", text)

    client.views_publish.assert_called_once()
    kwargs = client.views_publish.call_args.kwargs
    assert kwargs["user_id"] == "U_ALICE"
    assert kwargs["view"]["type"] == "home"
    assert "What's New in v1.10.0" in str(kwargs["view"])
    assert "v1.9.2" not in str(kwargs["view"])  # only the newest entry


def test_publish_home_degrades_without_changelog(slackbot_app, client):
    slackbot_app.publish_home(client, "U_BOB", "")
    view = client.views_publish.call_args.kwargs["view"]
    assert all("What's New" not in str(b) for b in view["blocks"])