#!/bin/bash

# server version, calls server for actual API info
WORKING_DIR="$HOME/.local/share/weather"

# sets $API_KEY
source "$WORKING_DIR/.env.key"

lookup_location() {
    # search for a location
    url="http://api.openweathermap.org/geo/1.0/direct?q=$SEARCH&appid=$API_KEY"
    res=$(curl --silent -fL "$url")
    echo "$res"
}

lookup_zipcode() {
    # lookup based on zipcode
    url="http://api.openweathermap.org/geo/1.0/zip?zip=$ZIPCODE&appid=$API_KEY"
    res=$(curl --silent -fL "$url")
    echo "$res"
}

get_weather() {
    # calls server for weather based on $COORDS
    LAT=$(echo "$COORDS" | awk -F , '{print $1}')
    LON=$(echo "$COORDS" | awk -F , '{print $2}')
    
    url="https://api.openweathermap.org/data/2.5/weather\?lat=$LAT\&lon=$LON\&appid=$API_KEY\&units=imperial"
    res=$(curl --silent -fL "$url")
    echo "$res"
}

while getopts "c:s:z:" opt; do
    case "$opt" in
        'c' )
            COORDS="$OPTARG"
            ;;
        's' )
            SEARCH="$OPTARG"
            ;;
        'z' )
            ZIPCODE="$OPTARG"
            ;;
        '?' )
            echo "ERROR: UNRECOGNZIED ARGUMENT"
            exit 1
            ;;
    esac
done

if [[ -n "$COORDS" ]] ; then
    get_weather
elif [[ -n "$SEARCH" ]] ; then
    lookup_location
elif [[ -n "$ZIPCODE" ]] ; then
    lookup_zipcode
fi

exit 0