#!/bin/bash

# LinBPQ Weather & Alerts - OpenWeather One Call 3.0

# Updated with Wind Speed and Cardinal Direction



API_KEY="YOUR API CODE HERE"

UNITS="imperial" 

DELAY=1 # RX delay for packet modems



# Function to convert degrees to cardinal direction

get_cardinal() {

    local deg=$1

    if [ "$deg" == "null" ]; then echo "Unknown"; return; fi

    directions=("N" "NE" "E" "SE" "S" "SW" "W" "NW" "N")

    # Divide degrees by 45 and round to find index in array

    index=$(echo "($deg + 22.5) / 45" | bc)

    echo "${directions[$index]}"

}



echo "--- OpenWeather Alert & Wind Service ---"; sleep $DELAY

echo -n "Enter Zip Code: "

read ZIP



# Clean input

ZIP=$(echo $ZIP | tr -d '\r' | xargs)



if [[ $ZIP =~ ^[0-9]{5}$ ]]; then

    echo "Processing request for $ZIP..."; sleep $DELAY

    

    # Step 1: Geocoding

    GEO_DATA=$(curl -s "http://api.openweathermap.org/geo/1.0/zip?zip=$ZIP,US&appid=$API_KEY")

    LAT=$(echo "$GEO_DATA" | jq -r '.lat')

    LON=$(echo "$GEO_DATA" | jq -r '.lon')

    NAME=$(echo "$GEO_DATA" | jq -r '.name')



    if [ "$LAT" != "null" ]; then

        # Step 2: Fetch Data

        WX_DATA=$(curl -s "https://api.openweathermap.org/data/3.0/onecall?lat=$LAT&lon=$LON&exclude=minutely,hourly,daily&appid=$API_KEY&units=$UNITS")

        

        # Extract Current Data including Wind

        TEMP=$(echo "$WX_DATA" | jq -r '.current.temp')

        DESC=$(echo "$WX_DATA" | jq -r '.current.weather[0].description')

        WIND_SPD=$(echo "$WX_DATA" | jq -r '.current.wind_speed')

        WIND_DEG=$(echo "$WX_DATA" | jq -r '.current.wind_deg')

        CARDINAL=$(get_cardinal "$WIND_DEG")



        echo ""; sleep $DELAY

        echo "Location: $NAME ($ZIP)"; sleep $DELAY

        echo "Current: $DESC, $TEMP°F"; sleep $DELAY

        echo "Wind: $WIND_SPD mph from the $CARDINAL ($WIND_DEG°)"; sleep $DELAY

        

        # Step 3: Alerts

        ALERTS=$(echo "$WX_DATA" | jq -r '.alerts[]? | "\(.event): \(.description)"')



        if [ -n "$ALERTS" ]; then

            echo "--- ACTIVE ALERTS ---"; sleep $DELAY

            echo "$ALERTS" | while read -r line; do

                echo "$line"; sleep $DELAY

            done

        else

            echo "No active weather alerts."; sleep $DELAY

        fi

    else

        echo "Error: Zip code not found."; sleep $DELAY

    fi

else

    echo "Error: Please enter a valid 5-digit Zip Code."; sleep $DELAY

fi



sleep 2 

exit