#!/usr/bin/env nix-shell
#! nix-shell -i bash --pure
#! nix-shell -p bash curl cacert jq

if [ $# -eq 2 ]; then
    OUTPUT=$1
else
    OUTPUT=data/raw.osm.pbf
fi

WAY_DATA=$(curl -s https://overpass-api.de/api/interpreter --data-urlencode 'data=[out:json];way["name"="Northern Arizona University"];out geom;')

# Extract coordinates from the response
COORDINATES=$(echo "$WAY_DATA" | jq '[.elements[] | select(.type == "way") | .geometry[] | [.lon, .lat]]')

echo $COORDINATES

# Ensure we have coordinates
if [ -z "$COORDINATES" ]; then
  echo "Error: Could not find coordinates for NAU"
  exit 1
fi

# Construct the GeoJSON payload
PAYLOAD=$(jq -n --argjson coords "$COORDINATES" '{
  "Name": "none",
  "RegionType": "geojson",
  "RegionData": {
    "type": "Polygon",
    "coordinates": [$coords]
  }
}')

# Send the request to the Slice API
UUID=$(curl -X POST https://slice.openstreetmap.us/api/ -H "Content-Type: application/json" -d "$PAYLOAD")

while ! [ $(curl https://slice.openstreetmap.us/api/$UUID | jq -r '.Complete') = 'true' ]; do
    sleep 1
done

curl https://slice.openstreetmap.us/files/$UUID.osm.pbf -o $OUTPUT