"""
tests/test_ui_renderers.py — Unit tests for app.py UI renderer functions.

Covers: render_quip, render_deadlines_html, render_footer,
        render_panic_meter, render_mascot, select_result_state (Plan 03).

Run: BUREAUCAT_NO_MODEL=1 .venv/bin/python -m pytest tests/test_ui_renderers.py -x -q
"""

import os
import sys

# Set escape hatch BEFORE importing app so model weights are never downloaded.
os.environ["BUREAUCAT_NO_MODEL"] = "1"

# Ensure the project root is on the path when running from tests/
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

import app  # noqa: E402


# ---------------------------------------------------------------------------
# render_quip
# ---------------------------------------------------------------------------

class TestRenderQuip:
    def test_empty_string_returns_empty(self):
        assert app.render_quip("") == ""

    def test_whitespace_only_returns_empty(self):
        assert app.render_quip("   ") == ""

    def test_none_like_empty(self):
        # render_quip is typed str -> str but test falsy behavior
        assert app.render_quip("") == ""

    def test_quip_contains_prefix_exactly_once(self):
        result = app.render_quip("witty remark")
        assert result.count("Bureaucat says:") == 1

    def test_quip_contains_prefix_exactly_once_with_existing_prefix(self):
        # Even if quip itself mentions the prefix, we only add it once
        result = app.render_quip("Skatteverket wants your money")
        assert result.count("Bureaucat says:") == 1

    def test_quip_contains_quip_text(self):
        result = app.render_quip("witty")
        assert "witty" in result

    def test_quip_no_double_prefix(self):
        # parse_output already stripped "Bureaucat says:" from quip; renderer adds once
        result = app.render_quip("the cat is watching")
        count = result.count("Bureaucat says:")
        assert count == 1, f"Expected exactly 1 prefix occurrence, got {count}: {result!r}"

    def test_quip_is_markdown_not_raw_html(self):
        # Should use Markdown formatting (**...**) not raw HTML tags for safety
        result = app.render_quip("test quip")
        assert "Bureaucat says:" in result
        assert "test quip" in result


# ---------------------------------------------------------------------------
# render_deadlines_html
# ---------------------------------------------------------------------------

class TestRenderDeadlinesHtml:
    def test_value_line_contains_mark_tag(self):
        result = app.render_deadlines_html("- 15 juni 2026 — last day")
        assert "<mark" in result

    def test_value_line_contains_verbatim_value(self):
        result = app.render_deadlines_html("- 15 juni 2026 — last day")
        assert "15 juni 2026" in result

    def test_value_line_contains_amber_background(self):
        result = app.render_deadlines_html("- 15 juni 2026 — last day")
        assert "#FFF3CD" in result

    def test_none_found_has_no_mark(self):
        result = app.render_deadlines_html("None found.")
        assert "<mark" not in result

    def test_none_found_case_insensitive(self):
        result = app.render_deadlines_html("NONE FOUND.")
        assert "<mark" not in result

    def test_empty_string_has_no_mark(self):
        result = app.render_deadlines_html("")
        assert "<mark" not in result

    def test_multiple_items_all_wrapped(self):
        deadlines = "- 15 juni 2026 — last day\n- 1 234 kr — belopp"
        result = app.render_deadlines_html(deadlines)
        assert result.count("<mark") == 2

    def test_mark_pill_color_values(self):
        result = app.render_deadlines_html("- 2026-06-15 — deadline")
        # Verify pill spec matches UI-SPEC §Deadlines & Money Card
        assert "#FFF3CD" in result
        assert "#8B6914" in result

    def test_html_escaping_in_value(self):
        # Model-generated text should be HTML-escaped (T-02-02-01)
        result = app.render_deadlines_html("- <script>alert(1)</script> — test")
        assert "<script>" not in result

    def test_uses_li_elements(self):
        result = app.render_deadlines_html("- 2026-06-15 — deadline")
        assert "<li" in result


# ---------------------------------------------------------------------------
# render_footer
# ---------------------------------------------------------------------------

class TestRenderFooter:
    def test_contains_privacy_note(self):
        result = app.render_footer()
        assert "Nothing is stored after your session ends." in result

    def test_contains_legal_disclaimer(self):
        result = app.render_footer()
        assert "does not give legal advice" in result

    def test_contains_trust_01_full_copy(self):
        result = app.render_footer()
        # Full TRUST-01 verbatim (UI-SPEC Copywriting Contract line 295)
        assert "Everything runs on a small model inside this Space." in result
        assert "Nothing is sent to external APIs." in result
        assert "Nothing is stored after your session ends." in result

    def test_contains_trust_05_full_copy(self):
        result = app.render_footer()
        # Full TRUST-05 verbatim (UI-SPEC Copywriting Contract line 296)
        assert "Bureaucat explains letters" in result
        assert "does not give legal advice" in result
        assert "consult a qualified professional" in result

    def test_returns_string(self):
        result = app.render_footer()
        assert isinstance(result, str)
        assert len(result) > 0


# ---------------------------------------------------------------------------
# render_panic_meter (Plan 03)
# ---------------------------------------------------------------------------

class TestRenderPanicMeter:
    def test_severity_5_contains_label(self):
        result = app.render_panic_meter(5)
        assert "5 — Act immediately" in result

    def test_severity_5_contains_color(self):
        result = app.render_panic_meter(5)
        assert "#C0392B" in result

    def test_severity_5_contains_denominator(self):
        result = app.render_panic_meter(5)
        # Verdict badge shows "5/5" — not a width-fill bar (UAT redesign 2026-06-06)
        assert "/5" in result
        assert "severity-5" in result
        assert "width" not in result  # no progress-bar fill

    def test_severity_1_contains_label(self):
        result = app.render_panic_meter(1)
        assert "1 — Informational" in result

    def test_severity_1_is_badge_not_bar(self):
        result = app.render_panic_meter(1)
        assert "panic-badge" in result
        assert "severity-1" in result

    def test_severity_1_contains_color(self):
        result = app.render_panic_meter(1)
        assert "#27AE60" in result

    def test_severity_none_does_not_raise(self):
        result = app.render_panic_meter(None)
        assert isinstance(result, str)

    def test_severity_none_contains_unavailable_label(self):
        result = app.render_panic_meter(None)
        assert "Result unavailable — try re-uploading" in result

    def test_severity_none_contains_gray(self):
        result = app.render_panic_meter(None)
        assert "#9E9E9E" in result

    def test_severity_2_label_and_color(self):
        result = app.render_panic_meter(2)
        assert "2 — Low concern" in result
        assert "#8BC34A" in result
        assert "/5" in result

    def test_severity_3_label_and_color(self):
        result = app.render_panic_meter(3)
        assert "3 — Action needed" in result
        assert "#F39C12" in result
        assert "/5" in result

    def test_severity_4_label_and_color(self):
        result = app.render_panic_meter(4)
        assert "4 — Urgent" in result
        assert "#E67E22" in result
        assert "/5" in result

    def test_every_level_has_integer_and_word(self):
        """Accessibility: color alone must not carry meaning (UI-SPEC line 92)."""
        for sev in (1, 2, 3, 4, 5):
            result = app.render_panic_meter(sev)
            assert str(sev) in result, f"Integer {sev} missing from output"
            # Each label dict value contains " — " + word; ensure it's present
            assert " — " in result, f"Word label separator missing at severity {sev}"


# ---------------------------------------------------------------------------
# select_result_state (Plan 03)
# ---------------------------------------------------------------------------

def _make_result(deadlines: str):
    """Helper: construct a minimal StructuredResult with given deadlines text."""
    return app.StructuredResult(
        transcription="",
        quip="",
        tldr="",
        why="",
        actions="",
        deadlines=deadlines,
        severity=None,
        raw="",
    )


class TestSelectResultState:
    def test_money_amount_returns_money(self):
        result = _make_result("- 4 250 kr — kvarskatt")
        assert app.select_result_state(result) == "money"

    def test_date_only_returns_deadline(self):
        result = _make_result("- 15 juni 2026 — sista dag")
        assert app.select_result_state(result) == "deadline"

    def test_none_found_returns_allclear(self):
        result = _make_result("None found.")
        assert app.select_result_state(result) == "allclear"

    def test_none_found_case_insensitive(self):
        result = _make_result("NONE FOUND.")
        assert app.select_result_state(result) == "allclear"

    def test_money_wins_over_deadline(self):
        """Money takes priority even when a date is also present."""
        result = _make_result("- 15 juni 2026 — datum\n- 4 250 kr — belopp")
        assert app.select_result_state(result) == "money"

    def test_sek_amount_returns_money(self):
        result = _make_result("- 1000 SEK — belopp")
        assert app.select_result_state(result) == "money"

    def test_iso_date_returns_deadline(self):
        result = _make_result("- 2026-06-15 — deadline date")
        assert app.select_result_state(result) == "deadline"

    def test_empty_deadlines_returns_allclear(self):
        result = _make_result("")
        assert app.select_result_state(result) == "allclear"

    def test_no_money_no_date_returns_allclear(self):
        result = _make_result("- Some reference: 123456789")
        assert app.select_result_state(result) == "allclear"


# ---------------------------------------------------------------------------
# render_mascot (Plan 03)
# ---------------------------------------------------------------------------

class TestRenderMascot:
    def test_verifying_contains_correct_png(self):
        result = app.render_mascot("verifying")
        assert "assets/mascot/verifying.png" in result

    def test_verifying_contains_class(self):
        result = app.render_mascot("verifying")
        assert "mascot-verifying" in result

    def test_verifying_contains_mascot_img_class(self):
        result = app.render_mascot("verifying")
        assert "mascot-img" in result

    def test_unknown_state_falls_back_to_idle(self):
        result = app.render_mascot("bogus")
        assert "assets/mascot/idle.png" in result

    def test_idle_state_renders(self):
        result = app.render_mascot("idle")
        assert "assets/mascot/idle.png" in result
        assert "mascot-idle" in result

    def test_money_state_renders(self):
        result = app.render_mascot("money")
        assert "assets/mascot/money.png" in result
        assert "mascot-money" in result

    def test_allclear_state_renders(self):
        result = app.render_mascot("allclear")
        assert "assets/mascot/allclear.png" in result
        assert "mascot-allclear" in result

    def test_deadline_state_renders(self):
        result = app.render_mascot("deadline")
        assert "assets/mascot/deadline.png" in result
        assert "mascot-deadline" in result

    def test_reading_state_renders(self):
        result = app.render_mascot("reading")
        assert "assets/mascot/reading.png" in result
        assert "mascot-reading" in result

    def test_confused_and_wrong_document_in_assets(self):
        """Phase 3 wires confused and wrong_document error states into MASCOT_ASSETS."""
        assert "confused" in app.MASCOT_ASSETS
        assert "wrong_document" in app.MASCOT_ASSETS
        assert "confused.png" in app.MASCOT_ASSETS["confused"]
        assert "wrong_document.png" in app.MASCOT_ASSETS["wrong_document"]


# ---------------------------------------------------------------------------
# ANIMATION_CSS_HTML content verification (Plan 03)
# ---------------------------------------------------------------------------

class TestAnimationCssHtml:
    def test_contains_keyframe_bob(self):
        assert "@keyframes bob" in app.ANIMATION_CSS_HTML

    def test_contains_keyframe_sway(self):
        assert "@keyframes sway" in app.ANIMATION_CSS_HTML

    def test_contains_keyframe_blink(self):
        assert "@keyframes blink" in app.ANIMATION_CSS_HTML

    def test_contains_keyframe_pop(self):
        assert "@keyframes pop" in app.ANIMATION_CSS_HTML

    def test_contains_keyframe_shake(self):
        assert "@keyframes shake" in app.ANIMATION_CSS_HTML

    def test_contains_mascot_img_transition(self):
        assert "mascot-img" in app.ANIMATION_CSS_HTML
        assert "opacity 0.2s ease" in app.ANIMATION_CSS_HTML

    def test_no_javascript(self):
        """CSS-only requirement (D2-10): no <script> tags in animation block."""
        assert "<script" not in app.ANIMATION_CSS_HTML.lower()