"""Controllo del template del wizard DXF: le tre viste sono <tmf-viewer> (#122, prima #113 #119 #121).

Legge task_editor.html come testo (come test_vision_panel_fit.py), senza renderlo.
"""
import re
from pathlib import Path

TEMPLATE = Path(__file__).resolve().parent.parent / "templates" / "maker" / "task_editor.html"


def _src() -> str:
    # senza commenti Jinja e HTML, che citano <tmf-viewer> e i vecchi nomi
    text = TEMPLATE.read_text(encoding="utf-8")
    text = re.sub(r"\{#.*?#\}", "", text, flags=re.S)
    return re.sub(r"<!--.*?-->", "", text, flags=re.S)


def _tag_of(src: str, marker: str) -> str:
    """Tag di apertura <tmf-viewer ...> che contiene il marker."""
    i = src.index(marker)
    start = src.rfind("<tmf-viewer", 0, i)
    return src[start:src.index(">", i) + 1]


def test_three_viewers_image_dxf_prova():
    # #122: tre <tmf-viewer>: immagine (src), DXF (modo contenuto, con <svg>), Prova (fit-height)
    src = _src()
    assert src.count("<tmf-viewer") == 3
    img = _tag_of(src, 'save-name="immagine"')
    assert ':src="imagePreviewUrl"' in img
    dxf = _tag_of(src, 'save-name="dxf"')
    assert ":src" not in dxf and ":width=" in dxf and ":height=" in dxf
    prova = _tag_of(src, 'save-name="prova"')
    assert "fit-height" in prova and ':src="imageSrc"' in prova
    assert "result.result.overlay" in prova  # overlay delle forme del risultato
    # il DXF contiene lo <svg> da disegnare, dentro il componente
    i = src.index('save-name="dxf"')
    assert src.index("<svg", i) < src.index("</tmf-viewer>", i)
    assert "dxfPreviewD()" in src[i:src.index("</tmf-viewer>", i)]


def test_old_viewports_gone():
    # #122: niente piu' viewport, barre e overlay scritti a mano
    src = _src()
    for old in ('x-ref="vpImg"', 'x-ref="vpDxf"', 'x-ref="overlay"', 'x-ref="viewport"', "tmfSaveImage(",
                "vZoomBy", "vFit(", "zoomPct", "vPct("):
        assert old not in src, old


def test_no_style_string_on_viewers():
    # #122: un :style a stringa sul <tmf-viewer> cancella lo style statico; x-show non sta sul componente
    src = _src()
    for m in re.finditer(r"<tmf-viewer[^>]*>", src):
        tag = m.group(0)
        assert ":style" not in tag and "x-show" not in tag, tag


def test_scripts_loaded_before_wizard():
    # #119 #121 #122: vision_overlay.js e save_image.js prima di image_viewer.js, che sta prima di dxf_recipe_wizard.js
    src = _src()
    viewer = src.index("js/image_viewer.js")
    assert src.index("js/vision_overlay.js") < viewer
    assert src.index("js/save_image.js") < viewer
    assert viewer < src.index("js/dxf_recipe_wizard.js")