#!/bin/bash
set -e
cd /home/riricdev/zektyc/data/maxspeed

echo "=== Étape 1: Filtrer highways du planet ==="
if [ ! -f planet-highways.pbf ]; then
    echo "Extraction des highways..."
    osmium tags-filter planet-latest.osm.pbf w/highway -o planet-highways.pbf --overwrite
    ls -lh planet-highways.pbf
else
    echo "planet-highways.pbf existe déjà"
fi

echo ""
echo "=== Étape 2: Découper en bandes longitude ==="
mkdir -p bands raw

# 12 bandes de 30° : -180..-150, -150..-120, ..., 150..180
BAND_SIZE=30
for i in $(seq 0 11); do
    LON_START=$(( -180 + i * BAND_SIZE ))
    LON_END=$(( LON_START + BAND_SIZE ))
    BAND="band_${LON_START}_${LON_END}"
    
    if [ -f "raw/${BAND}.raw" ]; then
        echo "  ${BAND} déjà fait, skip"
        continue
    fi

    if [ ! -f "bands/${BAND}.pbf" ]; then
        echo "  Extraction bande ${LON_START}..${LON_END}..."
        osmium extract -b ${LON_START},-60,${LON_END},85 planet-highways.pbf -o "bands/${BAND}.pbf" --overwrite
        ls -lh "bands/${BAND}.pbf"
    fi

    echo "  Build bande ${LON_START}..${LON_END}..."
    ./build_band "bands/${BAND}.pbf" "raw/${BAND}.raw"
    ls -lh "raw/${BAND}.raw"

    rm -f "bands/${BAND}.pbf"
    echo ""
done

echo "=== Étape 3: Merge toutes les bandes ==="
./merge_grid grid-planet raw/*.raw

echo "=== Terminé! ==="
ls -lh grid-planet/