from claude_matrix_bot.reset_watcher.diff import Alert, WindowSnapshot
from claude_matrix_bot.reset_watcher.format import (
    _format_delta,
    _progress_bar,
    format_alert,
    format_armed,
)


def test_delta_under_minute_shows_seconds() -> None:
    assert _format_delta(45) == "+45s"
    assert _format_delta(-30) == "-30s"
    assert _format_delta(0) == "+0s"


def test_delta_under_hour_shows_minutes() -> None:
    assert _format_delta(60) == "+1 min"
    assert _format_delta(720) == "+12 min"
    assert _format_delta(-300) == "-5 min"


def test_delta_at_or_above_hour_shows_hours_and_minutes() -> None:
    assert _format_delta(3_600) == "+1h"
    assert _format_delta(3_660) == "+1h 1m"
    assert _format_delta(12_000) == "+3h 20m"
    assert _format_delta(-7_200) == "-2h"


def test_reset_shift_alert_renders_with_seconds_when_small() -> None:
    alert = Alert(
        kind="reset_shift",
        window="five_hour",
        detail={
            "old_resets_at": 1_700_000_000,
            "new_resets_at": 1_700_000_045,
            "delta_seconds": 45,
        },
    )
    plain, html = format_alert(alert)
    assert "+45s" in plain
    assert "+45s" in html
    # Should never display "0 min" for a sub-minute delta.
    assert "0 min" not in plain
    # Aligned visual frame with armed message
    assert "<blockquote>" in html
    assert "<table>" in html
    assert "<i>5-hour session</i>" in html


def test_threshold_alert_renders_emoji_and_percent() -> None:
    alert = Alert(
        kind="threshold_crossed",
        window="seven_day",
        detail={"threshold": 80, "utilization_pct": 82.5, "resets_at": 1_700_000_000},
    )
    plain, html = format_alert(alert)
    assert "🔥" in plain
    assert "82.5%" in plain
    assert "weekly (all)" in html
    # Aligned visual frame with armed message
    assert "<blockquote>" in html
    assert "<table>" in html
    assert "<small>" in html
    assert "<i>weekly (all)</i>" in html
    assert "#c0392b" in html  # 82.5% -> red severity


def test_threshold_50_uses_warn_emoji_not_fire() -> None:
    """50% threshold gets the warning emoji; only 80%+ uses the fire emoji."""
    alert = Alert(
        kind="threshold_crossed",
        window="seven_day_sonnet",
        detail={"threshold": 50, "utilization_pct": 51.0, "resets_at": 1_700_000_000},
    )
    plain, html = format_alert(alert)
    assert "⚠️" in plain
    assert "🔥" not in plain


def test_progress_bar_proportional() -> None:
    assert _progress_bar(0, width=10) == "░░░░░░░░░░"
    assert _progress_bar(50, width=10) == "█████░░░░░"
    assert _progress_bar(100, width=10) == "██████████"
    # Out-of-range stays clamped (defensive, not expected in practice)
    assert _progress_bar(120, width=10) == "██████████"
    assert _progress_bar(-5, width=10) == "░░░░░░░░░░"


def test_reset_shift_uses_blockquote_and_table() -> None:
    alert = Alert(
        kind="reset_shift",
        window="five_hour",
        detail={
            "old_resets_at": 1_700_000_000,
            "new_resets_at": 1_700_000_300,
            "delta_seconds": 300,
        },
    )
    plain, html = format_alert(alert)
    assert "<blockquote>" in html
    assert "<table>" in html
    assert "<i>5-hour session</i>" in html
    # delta in plain still uses the arrow form for narrow display
    assert "→" in plain
    assert "+5 min" in plain
    # delta colored amber for <30min shifts
    assert "#d68910" in html


def test_armed_message_renders_blockquote_table() -> None:
    fresh = {
        "five_hour": WindowSnapshot(utilization=0.06, resets_at=1_700_000_000),
        "seven_day": WindowSnapshot(utilization=0.55, resets_at=1_700_500_000),
        "seven_day_opus": WindowSnapshot(utilization=0.10, resets_at=1_700_500_000),
        "seven_day_sonnet": WindowSnapshot(utilization=0.62, resets_at=1_700_500_000),
    }
    plain, html = format_armed(fresh)

    assert "🤖" in plain
    assert "reset-watcher armed" in plain
    # Each window appears in both plain and html
    for label in ("5-hour session", "weekly (all)", "weekly Opus", "weekly Sonnet"):
        assert label in plain
        assert label in html
    # New visual frame: blockquote, italic title, code subtitle, table layout
    assert "<blockquote>" in html
    assert "<i>armed</i>" in html
    assert "<code>baseline captured</code>" in html
    assert "<table>" in html
    assert "<small>resets</small>" in html
    # No progress bars anymore
    assert "█" not in plain
    assert "█" not in html
    # Severity colors applied per row (matches user's mockup palette)
    assert "#27ae60" in html  # 6% -> green
    assert "#d68910" in html  # 62% -> amber (50-80% band)