from datetime import datetime

from .config import CALLER_TURNS, DATASET_REPO, ORG, stamp

HEADER = f"""
# Breakdown risk

Classifies the **caller's turns** of an inbound call as `risk` — the vehicle is
probably off the road, the call needs a tow truck or an urgent slot — or
`no_risk` — the customer can still drive, a normal appointment will do.

<sub>Models published by `train.py` in the `{ORG}` organisation · scored on the
test split of [`{DATASET_REPO}`](https://huggingface.co/datasets/{DATASET_REPO})
· only the last {CALLER_TURNS} turns are read · times in Paris time</sub>
"""

# Callers speak French, so the sample transcript stays French, like the dataset.
PLACEHOLDER = "Oui bonjour.\nMa voiture ne démarre plus depuis ce matin."

TRANSCRIPT_INFO = (
    f"One turn per line. Only the last {CALLER_TURNS} are classified. "
    "⇧ Enter or ⌘/Ctrl + Enter to classify."
)

NO_MODEL = "No model selected."
LOADING = "Loading the model"
SCORING = "Classifying the test split"

CLASSIFY = "Classify"
EVALUATE = "Evaluate on the test split"
WARMING = "Downloading the model…"
WARM_FAILED = "Could not load that revision"

# The indicator beside Revision is narrow, so it words the same states shorter.
STATUS_LOADING = "Loading…"
STATUS_FAILED = "Failed"


def pushed_at(when: datetime | None) -> str:
    """Line under the pickers: when the selected repo was last touched."""
    if when is None:
        return ""
    return f"<sub>Repo last updated {stamp(when)}</sub>"


def status_line(text: str) -> str:
    """The indicator beside Revision: what the picked model is doing."""
    return f"<sub>{text}</sub>"


def status_ready(ms: float) -> str:
    """Only knowable once the weights are here, which is why it reads as loading."""
    return f"Ready · {ms:.0f} ms"