#!/bin/bash
# scripts/06_build_offline_packages.sh
# Register a region in the offline_regions table.
# Actual tile/routing/POI files are served directly from their data directories;
# this script just records metadata so the API can list available regions.

set -euo pipefail

PG_CONN="${PG_CONN:-postgres://maps:maps@postgres:5432/maps}"
REGION_ID="${REGION_ID:-amsterdam}"
REGION_NAME="${REGION_NAME:-Amsterdam}"
BBOX="${BBOX:-4.7288,52.2783,5.0796,52.4311}"  # minLon,minLat,maxLon,maxLat

IFS=',' read -r MIN_LON MIN_LAT MAX_LON MAX_LAT <<< "$BBOX"

echo "=== Registering offline region: $REGION_NAME ($REGION_ID) ==="

psql "$PG_CONN" <<SQL
CREATE TABLE IF NOT EXISTS offline_regions (
    id                 TEXT PRIMARY KEY,
    name               TEXT NOT NULL,
    description        TEXT,
    bbox               GEOMETRY(Polygon, 4326),
    tiles_size_bytes   BIGINT NOT NULL DEFAULT 0,
    routing_size_bytes BIGINT NOT NULL DEFAULT 0,
    pois_size_bytes    BIGINT NOT NULL DEFAULT 0,
    last_updated       TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

INSERT INTO offline_regions (id, name, bbox, tiles_size_bytes, routing_size_bytes, pois_size_bytes, last_updated)
VALUES (
    '${REGION_ID}',
    '${REGION_NAME}',
    ST_MakeEnvelope(${MIN_LON}, ${MIN_LAT}, ${MAX_LON}, ${MAX_LAT}, 4326),
    0,
    0,
    0,
    NOW()
)
ON CONFLICT (id) DO UPDATE SET
    last_updated = NOW();
SQL

echo "Region $REGION_ID registered."