"""Bosnian (Latin) formatting helpers for client- and owner-facing text."""

from __future__ import annotations

from datetime import datetime
from zoneinfo import ZoneInfo

DAY_NAMES = [
    "ponedjeljak",
    "utorak",
    "srijeda",
    "četvrtak",
    "petak",
    "subota",
    "nedjelja",
]

MONTH_NAMES = [
    "januar",
    "februar",
    "mart",
    "april",
    "maj",
    "juni",
    "juli",
    "august",
    "septembar",
    "oktobar",
    "novembar",
    "decembar",
]


def fmt_slot(dt: datetime, tz: str = "Europe/Sarajevo") -> str:
    """'srijeda, 15.07. u 17:00'"""
    local = dt.astimezone(ZoneInfo(tz))
    day = DAY_NAMES[local.weekday()]
    return f"{day}, {local.day:02d}.{local.month:02d}. u {local:%H:%M}"


def fmt_date(dt: datetime, tz: str = "Europe/Sarajevo") -> str:
    local = dt.astimezone(ZoneInfo(tz))
    return f"{local.day:02d}.{local.month:02d}.{local.year}."


def fmt_time(dt: datetime, tz: str = "Europe/Sarajevo") -> str:
    local = dt.astimezone(ZoneInfo(tz))
    return f"{local:%H:%M}"


def fmt_price(price_min: float | None, price_max: float | None, currency: str = "KM") -> str:
    cur = "KM" if currency == "BAM" else currency
    if price_min is None and price_max is None:
        return "cijena na upit"
    if price_max is None or price_min == price_max:
        return f"{_num(price_min)} {cur}"
    if price_min is None:
        return f"do {_num(price_max)} {cur}"
    return f"{_num(price_min)}–{_num(price_max)} {cur}"


def _num(x: float | None) -> str:
    if x is None:
        return "?"
    return str(int(x)) if float(x).is_integer() else f"{x:.2f}".replace(".", ",")