[ -f functions.sh ] && source functions.sh

set -f

name="$1"
channelName="$2"
shift
shift

if [[ $# -eq 0 ]]; then
    msg "$channelName" "$name: Please provide a location or postcode."
    return 0
fi

location="${*}"

# Convert spaces to +.
location="${location//[[:space:]]/+}"


# c    Weather condition,
# C    Weather condition textual name,
# h    Humidity,
# t    Temperature (Actual),
# f    Temperature (Feels Like),
# w    Wind,
# l    Location,
# m    Moonphase ðð,
# M    Moonday,
# p    precipitation (mm),
# o    Probability of Precipitation,
# P    pressure (hPa),
                                                                                                                                                                                                        
# D    Dawn*,
# S    Sunrise*,
# z    Zenith*,
# s    Sunset*,
# d    Dusk*.

format="%c|%C|%h|%t|%f|%w|%l|%m|%M|%p|%o|%P|%D|%S|%z|%s|%d"
argList="${format//%/}"
argList="${argList//|/ }"
weatherString="$(curl -s https://wttr.in/${location}?format="${format}")"

i=1
declare -A weatherInfo
for j in $argList ; do
    weatherInfo[$j]="$(echo "${weatherString}" | cut -d '|' -f $i)"
    ((i++))
done

# Format times to 12 hour format.
for i in S D z s d ; do
    weatherInfo[$i]="$(date '+%r' --date="${weatherInfo[$i]}")"
done

message="${weatherInfo[l]}: ${weatherInfo[t]} and ${weatherInfo[C]}"
if [[ "${weatherInfo[t]}" == "${weatherInfo[f]}" ]]; then
    message+=". "
else
message+=" with a real feel of ${weatherInfo[f]}. "
fi
message+="Wind: ${weatherInfo[w]} "
if [[ "${weatherInfo[p]}" != "0.0mm" ]]; then
    message+=" Precipitation: ${weatherInfo[p]} "
fi
if [[ -n "${weatherInfo[o]}" ]]; then
    message+="Chance of precipitation ${weatherInfo[o]} "
fi
message+="Humidity: ${weatherInfo[h]}. "
message+="Sunrise: ${weatherInfo[S]}, Sunset: ${weatherInfo[s]}."

msg "$channelName" "$name: ${message//+/ }"