from pathlib import Path
ROOT=Path(__file__).resolve().parents[1]

def test_version():
    assert (ROOT/"VERSION").read_text(encoding="utf-8").strip()=="4.6.15"

def test_frontend_preflight_exists_before_progress():
    js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")
    assert "function frontendMissingDatePreflight" in js
    assert "function renderFrontendClarification" in js
    send=js.index("async function send(){")
    pre=js.index("const localPreflight=frontendMissingDatePreflight(t);",send)
    busy=js.index("busy=true",send)
    assert pre < busy

def test_named_region_bbox_locked_in_frontend():
    js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")
    assert '{name:"西北太平洋"' in js
    assert 'bbox:[120,180,0,60]' in js
    assert "区域和经纬度范围已经确定，不需要再次提供坐标" in js
    assert "输出格式不是必填项；未指定时默认使用 NetCDF" in js

def test_date_only_followup_rebuilds_full_request():
    js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")
    assert "PENDING_OCEAN_CLARIFICATION" in js
    assert "frontendDateOnly(t)" in js
    assert 'effectivePrompt=PENDING_OCEAN_CLARIFICATION.original+"，日期为"+t' in js

def test_backend_receives_effective_prompt():
    js=(ROOT/"static"/"js"/"app.js").read_text(encoding="utf-8")
    assert "prompt:promptWithDisplayPreferences(effectivePrompt)" in js