import json
from pathlib import Path

from app.renderer import render_documents
from app.theme_catalog import THEMES

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


def test_html_contains_customer_and_period():
    payload = json.loads((ROOT / "examples" / "sample-report.json").read_text(encoding="utf-8"))
    html, footer = render_documents(payload)
    assert payload["customer"]["name"] in html
    assert payload["report"]["period"]["label"] in html
    assert "pageNumber" in footer


def test_classic_theme_renders():
    payload = json.loads((ROOT / "examples" / "sample-report.json").read_text(encoding="utf-8"))
    payload["design"]["theme"] = "classic"
    html, _ = render_documents(payload)
    assert "Monatsverlauf" in html


def test_all_registered_themes_render():
    base = json.loads((ROOT / "examples" / "sample-report.json").read_text(encoding="utf-8"))
    for theme_id, theme in THEMES.items():
        payload = json.loads(json.dumps(base))
        payload["design"]["theme"] = theme_id
        payload["design"].pop("palette_mode", None)
        html, footer = render_documents(payload)
        assert payload["customer"]["name"] in html, theme_id
        assert theme["name"] in html or payload["report"]["period"]["label"] in html, theme_id
        assert "pageNumber" in footer, theme_id