#!/usr/bin/env python3

import os
import shutil
import sys
from pathlib import Path

project_source_root = Path(sys.argv[1])
build_root_dir = Path(sys.argv[2])
client_build_dir = Path(sys.argv[3])
media_archive = Path(sys.argv[4])
output_stamp = Path(sys.argv[5])

# At runtime, the client expects a `Common/` folder from the Minecraft.Assets source and a compiled
# media archive (LinuxMedia.arc) inside of said folder at its current working directory to launch.
#
# `meson install` also handles this, but installs it to system folders, which can be annoying for
# testing. Since we want a way to run it straight from `/build` when debugging, we do this instead.
#
# this script doesn't handle copying the same way `meson install` does but it should be good enough
dest_common = Path(client_build_dir / "Common")
src_assets = Path(project_source_root / "Minecraft.Assets")

# clear out any old assets
if dest_common.exists():
    shutil.rmtree(dest_common, ignore_errors=True)
    shutil.rmtree(client_build_dir / "Music", ignore_errors=True)
    shutil.rmtree(client_build_dir / "Sound", ignore_errors=True)
    # XXX: Check "copy DLC" bellow for info
    # shutil.rmtree(client_build_dir / "DurangoMedia", ignore_errors=True)

# copy `Minecraft.Assets/Common` into the build directory for the client.
try:
    shutil.copytree(
        src_assets / "Common",
        dest_common,
    )
except FileNotFoundError:
    print(f"Error: source Common directory not found: {src_assets / 'Common'}", file=sys.stderr)
    raise

# copy the media archive to `Common/Media` inside the folder we just copied.
shutil.copy(media_archive, client_build_dir / "Common" / "Media")

# copy Sound with updated paths because putting them in root looks ugly.

sound_src = src_assets / "DurangoMedia" / "Sound"
sound_dst = dest_common / "Sound"
if sound_src.exists():
    if sound_dst.exists():
        print(f"Info: destination {sound_dst} already exists; skipping sound copy", file=sys.stderr)
    else:
        try:
            shutil.copytree(sound_src, sound_dst)
        except FileExistsError:
            print(f"Info: race: {sound_dst} already exists; skipping sound copy", file=sys.stderr)
else:
    print(f"Warning: sound source {sound_src} not found!!", file=sys.stderr)

# copy DLC
# XXX: The DLC path is handled inside of 4JLibs, the Windows64 build expects `DurangoMedia/DLC` to load DLC data from
# shutil.copytree(
#     src_assets / "DurangoMedia" / "DLC", 
#     client_build_dir / "DurangoMedia" / "DLC"
# )

# modify the stamp so this only happens when client or media_archive targets are changed
output_stamp.touch()