#!/bin/bash
# Copyright (c) 2026 Elizabeth Cray
SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
source $SCRIPT_DIR/.env

if ! command -v ogr2ogr >/dev/null 2>&1; then
    echo "ogr2ogr is not installed. Please install it and try again."
    exit 1
fi

if ! command -v curl >/dev/null 2>&1; then
    echo "curl is not installed. Please install it and try again."
    exit 1
fi

if ! command -v node >/dev/null 2>&1; then
    echo "Node.js is not installed. Please install it and try again."
    exit 1
fi

if [ -f "$SCRIPT_DIR/osm_data.json" ]; then
    rm "$SCRIPT_DIR/osm_data.json"
fi

curl --connect-timeout 950 --location --globoff "$OSM_QUERY" --output "$SCRIPT_DIR/osm_data.json"

if [ -f "$SCRIPT_DIR/osm_data.json" ]; then
    echo "OSM data downloaded to $SCRIPT_DIR/osm_data.json"
    RESULTLINE=`head -n1 $SCRIPT_DIR/osm_data.json`
    if [ -z "$RESULTLINE" ]; then
        echo "OSM data file is empty."
        exit 1
    fi
    if [[ $RESULTLINE == "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" ]]; then
        echo "OSM data file contains an error."
        exit 1
    fi
    if [ -f "$SCRIPT_DIR/osm_data.geojson" ]; then
        rm "$SCRIPT_DIR/osm_data.geojson"
    fi
    node "$SCRIPT_DIR/convert_osm.js"
    echo "OSM data converted to GeoJSON at $SCRIPT_DIR/osm_data.geojson"
    ogr2ogr -f "PostgreSQL" PG:"$PGSQL_URL" "$SCRIPT_DIR/osm_data.geojson" -nln "$LAYER_NAME" -overwrite
    echo "OSM data imported into PostgreSQL layer $LAYER_NAME"
else
    echo "Failed to download OSM data."
    exit 1
fi