from __future__ import annotations

from typing import Any
from urllib.parse import quote_plus

from .models import evidence, utc_now_iso

RHS_SOURCE = "Royal Horticultural Society"

CARE_TOPICS = ["light", "temperature", "humidity", "watering", "substrate", "fertilisation", "repotting"]


def rhs_care_source_candidates(name: str) -> dict[str, Any]:
    """Return RHS search/source candidates without turning them into care recommendations."""
    query = quote_plus(name)
    base_url = f"https://www.rhs.org.uk/search?query={query}"
    return {
        "status": "source_candidates",
        "source": RHS_SOURCE,
        "retrieved_at": utc_now_iso(),
        "records": [
            {
                "topic": topic,
                "value": evidence(
                    f"RHS search candidate for {topic}; fetch and verify before use.",
                    source=RHS_SOURCE,
                    url=base_url,
                    confidence="low",
                ),
            }
            for topic in CARE_TOPICS
        ],
    }