#!/usr/bin/env bash
# Weather backend: wttr.in with its native ANSI art (curl UA gets terminal colours).
# Args: $1 = location (may be empty -> wttr.in geolocates the caller), $2 = query opts.
# Prints the wttr.in body (ANSI or plain, per opts) to stdout.
set -uo pipefail

loc="${1:-}"
# Note: ${2-0}, not ${2:-0} — the expanded view passes an *empty* opts to request
# wttr.in's default 3-day forecast, and :- would wrongly rewrite that empty string
# to "0" (current conditions only). Default to "0" only when no opts arg is given.
opts="${2-0}"

# URL-encode spaces in a city name.
loc="${loc// /+}"

url="https://wttr.in/${loc}?${opts}"
# -A curl makes wttr.in return terminal (ANSI) output regardless of the real UA.
curl -sf -A curl --max-time 10 "$url"