#!/usr/bin/env bash

set -euo pipefail

export GDAL_NUM_THREADS=ALL_CPUS

LANDSAT=(
    LC09_L2SP_023032_20230620_20230622_02_T1_SR_B1.TIF
    LC09_L2SP_023032_20230620_20230622_02_T1_SR_B2.TIF
    LC09_L2SP_023032_20230620_20230622_02_T1_SR_B3.TIF
    LC09_L2SP_023032_20230620_20230622_02_T1_SR_B4.TIF
    LC09_L2SP_023032_20230620_20230622_02_T1_SR_B5.TIF
    LC09_L2SP_023032_20230620_20230622_02_T1_SR_B6.TIF
    LC09_L2SP_023032_20230620_20230622_02_T1_SR_B7.TIF
    LC09_L2SP_023032_20230620_20230622_02_T1_SR_QA_AEROSOL.TIF
)

CDL=2023_30m_cdls.tif

SRS=EPSG:32616

# Raw (compress and clip)
rm -rf raw
mkdir raw raw/landsat raw/cdl

for FILE in ${LANDSAT[@]}
do
    SRC=original/landsat/$FILE
    DST=raw/landsat/$FILE

    gdal_translate -co COMPRESS=LZW -co PREDICTOR=2 $SRC $DST
done

SRC=original/cdl/$CDL
DST=raw/cdl/$CDL

XMIN=229785
YMIN=4346385
XMAX=465315
YMAX=4585215

gdalwarp -te $XMIN $YMIN $XMAX $YMAX -te_srs $SRS -co COMPRESS=LZW -co PREDICTOR=2 $SRC $DST

# Preprocessed (CRS, RES, TAP, COG)
rm -rf preprocessed
mkdir preprocessed preprocessed/landsat preprocessed/cdl

RES=30

for FILE in ${LANDSAT[@]}
do
    SRC=original/landsat/$FILE
    DST=preprocessed/landsat/$FILE

    gdalwarp -tr $RES $RES -tap -srcnodata 0 -dstnodata 0 -of COG -co COMPRESS=LZW -co PREDICTOR=2 $SRC $DST
done

XMIN=229800
YMIN=4346400
XMAX=465330
YMAX=4585230

SRC=original/cdl/$CDL
DST=preprocessed/cdl/$CDL

gdalwarp -t_srs $SRS -te $XMIN $YMIN $XMAX $YMAX -tr $RES $RES -tap -of COG -co COMPRESS=LZW -co PREDICTOR=2 $SRC $DST

# Tar
tar -czvf original.tar.gz original
tar -czvf raw.tar.gz raw
tar -czvf preprocessed.tar.gz preprocessed