#!/usr/bin/env python

#pmtiles to files
import argparse
import os
import shutil

from pmtiles.convert import mbtiles_to_pmtiles, pmtiles_to_mbtiles, pmtiles_to_dir

parser = argparse.ArgumentParser(description='Convert between PMTiles and other archive formats.')
parser.add_argument('input',help='Input .mbtiles or .pmtiles')
parser.add_argument('output',help='Output .mbtiles, .pmtiles, or directory')
parser.add_argument('--maxzoom', help='the maximum zoom level to include in the output.')
parser.add_argument('--gzip', help='The output should be gzip-compressed.',action='store_true')
parser.add_argument('--overwrite', help='Overwrite the existing output.',action='store_true')
args = parser.parse_args()

if os.path.exists(args.output) and not args.overwrite:
    print("Output exists, use --overwrite to overwrite the output.")
    exit(1)
if args.overwrite:
    if os.path.isfile(args.output):
        os.remove(args.output)
    elif os.path.isdir(args.output):
        shutil.rmtree(args.output)

print("compression:", "gzip" if args.gzip else "disabled")

if args.input.endswith('.mbtiles') and args.output.endswith('.pmtiles'):
    mbtiles_to_pmtiles(args.input, args.output, args.maxzoom, args.gzip)

elif args.input.endswith('.pmtiles') and args.output.endswith('.mbtiles'):
    pmtiles_to_mbtiles(args.input, args.output, args.gzip)

elif args.input.endswith(".pmtiles"):
    pmtiles_to_dir(args.input, args.output, args.gzip)

else:
    print("Conversion not implemented")
