"""Sentinel-1 SAR layer: Leaflet toggle contract (no browser STAC/TiTiler)."""

from __future__ import annotations

from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
HTML = (ROOT / "app/static/index.html").read_text()


def test_sentinel1_toggle_default_off():
    assert 'id="lp-sentinel-on"' in HTML
    assert 'id="sentinel-1-sar"' in HTML
    assert "Sentinel-1 SAR (Cloud-Penetrating)" in HTML
    on = HTML.split('id="lp-sentinel-on"', 1)[1].split(">", 1)[0]
    assert "checked" not in on


def test_sentinel1_fetches_backend_not_planetary_computer():
    assert "/api/map/sentinel1?bbox=" in HTML
    assert "titiler.xyz" not in HTML
    js = HTML.split("async function loadSentinel1", 1)[1].split("function loadThermal", 1)[0]
    assert "planetarycomputer" not in js.lower()
    assert "stac" not in js.lower()


def test_sentinel1_hud_errors_not_alert():
    js = HTML.split("async function loadSentinel1", 1)[1].split("function loadThermal", 1)[0]
    assert "alert(" not in js
    assert "No Sentinel-1 imagery for this view in the last 7 days." in js
    assert "retry later" in js
    assert "opacity: sentinelOpacity" in js
    assert "maxZoom: 18" in js
    assert "L.tileLayer(body.tileUrl" in js


def test_sentinel1_not_fetched_on_init_unless_on():
    init = HTML.split("function initMap", 1)[1].split("function readMapPrefs", 1)[0]
    assert "loadSentinel1()" not in init
    refresh = HTML.split("function refreshLiveOverlays", 1)[1].split("function addExtraAttrib", 1)[0]
    assert "if (sentinelOn) loadSentinel1();" in refresh