from pathlib import Path

from app.discovery.urlgen import generate_search_url
from app.sources.geizhals.taxonomy_parser import parse_taxonomy_html

HTML = (Path(__file__).resolve().parents[2] / "fixtures" / "geizhals" / "nb-category.html").read_text(
    encoding="utf-8"
)


def test_parser_reads_href_filters_and_price_inputs() -> None:
    payload = parse_taxonomy_html(
        HTML,
        category_ref="nb",
        source_url="https://geizhals.de/?cat=nb",
    )
    keys = {item["external_filter_key"] for item in payload["filters"]}
    assert {"12", "17023", "price", "12128", "7436", "82", "asuch"} <= keys
    assert len(payload["filters"]) >= 12
    live_ram = next(item for item in payload["filters"] if item["external_filter_key"] == "17023")
    assert live_ram["label"] == "RAM"
    ram = next(item for item in payload["filters"] if item["external_filter_key"] == "12")
    assert ram["label"] == "RAM ab"
    assert ram["filter_type"] == "NUMERIC_THRESHOLD"
    assert any(option["source_value"] == "ab 16GB" for option in ram["options"])
    assert ram["encoding"]["options"]["ab 16GB"] == "16384"
    price = next(item for item in payload["filters"] if item["external_filter_key"] == "price")
    assert price["filter_type"] == "NUMERIC_RANGE"
    assert price["encoding"]["min_parameter"] == "bpmin"
    assert price["encoding"]["max_parameter"] == "bpmax"
    hersteller = next(item for item in payload["filters"] if item["external_filter_key"] == "1")
    assert hersteller["label"] == "Hersteller"
    assert hersteller["filter_type"] == "ENUM"
    assert hersteller["group_label"] == "Allgemein"
    assert {option["source_value"] for option in hersteller["options"]} >= {"Apple", "ASUS", "Lenovo"}
    display = next(item for item in payload["filters"] if item["external_filter_key"] == "12128")
    assert display["group_label"] == "Display"


def test_learned_ram_and_price_encode_observed_geizhals_query() -> None:
    payload = parse_taxonomy_html(
        HTML,
        category_ref="nb",
        source_url="https://geizhals.de/?cat=nb",
    )
    ram = next(item for item in payload["filters"] if item["external_filter_key"] == "12")
    price = next(item for item in payload["filters"] if item["external_filter_key"] == "price")
    url, internal = generate_search_url(
        category_url="https://geizhals.de/?cat=nb",
        criteria_items=[
            {"criterion": "geizhals:nb:12", "operator": ">=", "value": 16},
            {"criterion": "geizhals:nb:price", "operator": "<=", "value": 1700},
        ],
        mappings=[
            {
                "criterion_key": "geizhals:nb:12",
                "external_filter_key": "12",
                "source_value": "16384",
                "encoding": ram["encoding"],
                "status": "VERIFIED",
            },
            {
                "criterion_key": "geizhals:nb:price",
                "external_filter_key": "price",
                "source_value": None,
                "encoding": price["encoding"],
                "status": "VERIFIED",
            },
        ],
    )
    assert internal == []
    assert "xf=12_16384" in url
    assert "bpmax=1700" in url


def test_challenge_html_is_not_treated_as_taxonomy() -> None:
    payload = parse_taxonomy_html(
        "<html><body>Enable JavaScript and cookies to continue</body></html>",
        category_ref="nb",
        source_url="https://geizhals.de/?cat=nb",
    )
    assert payload["blocked"] is True
    assert payload["filters"] == []