"""Phase 1 guardrails: compose limits, 500ms debounce, no extra brokers."""

from __future__ import annotations

from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent


def test_compose_memory_limits_and_shared_buffers():
    text = (ROOT / "docker-compose.yml").read_text()
    assert "shared_buffers=2GB" in text
    assert "shared_preload_libraries=timescaledb" in text
    assert "memory: 3G" in text or "memory: 3GB" in text
    assert "memory: 2G" in text or "memory: 2GB" in text


def test_map_moveend_debounced_500ms():
    html = (ROOT / "app" / "static" / "index.html").read_text()
    assert "map.on('moveend'" in html
    # Existing 300ms debounce must be 500ms so pans don't spam bbox POSTs/WS.
    assert "}, 500);" in html
    assert "}, 300);" not in html.split("map.on('moveend'")[1][:800]


def test_no_redis_kafka_celery():
    req = (ROOT / "app" / "requirements.txt").read_text().lower()
    compose = (ROOT / "docker-compose.yml").read_text().lower()
    for blob in (req, compose):
        assert "redis" not in blob
        assert "kafka" not in blob
        assert "celery" not in blob
    assert "cachetools" in req


def test_titiler_image_pinned_by_digest():
    text = (ROOT / "docker-compose.yml").read_text()
    assert (
        "ghcr.io/developmentseed/titiler:latest@sha256:"
        "1809958d063543e3ec858259536002b2de78e9f8f09a22a8d9591bdc2b550b14"
        in text
    )
    # Unpinned :latest would drift on every pull.
    for line in text.splitlines():
        if "titiler" in line.lower() and "image:" in line:
            assert "@sha256:" in line


def test_uvicorn_single_worker_guard():
    text = (ROOT / "app" / "main.py").read_text()
    main_block = text.split('if __name__ == "__main__":', 1)[1]
    assert "workers=1" in main_block


def test_bbox_gist_migration_keeps_btree_and_adds_gist():
    text = (ROOT / "alembic" / "versions" / "010_bbox_gist.py").read_text()
    assert "down_revision" in text and "009_vessels" in text
    assert "ix_events_geom_gist" in text
    assert "ix_fires_geom_gist" in text
    assert "ST_MakePoint(location_lon, location_lat)" in text
    assert "ST_MakePoint(longitude, latitude)" in text
    assert "USING gist" in text
    models = (ROOT / "app" / "models.py").read_text()
    assert 'Index("ix_events_location"' in models
    assert 'Index("ix_fires_bbox"' in models