#!/bin/bash
# This script is used to setup the needed Wine environment
# so that mgfxc can be run on Linux / macOS systems.

# check dependencies
if ! type "wine64" > /dev/null 2>&1
then
    echo "wine64 not found"
    exit 1
fi

if ! type "7z" > /dev/null 2>&1
then
    echo "7z not found"
    exit 1
fi

# wine 8 is the minimum requirement for dotnet 8
# wine --version will output "wine-#.# (Distro #.#.#)" or "wine-#.#"
WINE_VERSION=$(wine --version 2>&1 | grep -oP 'wine-\d+' | sed 's/wine-//')
if (( $WINE_VERSION < 8 )); then
    echo "Wine version $WINE_VERSION is below the minimum required version (8.0)."
    exit 1
fi

# init wine stuff
export WINEARCH=win64
export WINEPREFIX=$HOME/.winemonogame
wine64 wineboot

TEMP_DIR="${TMPDIR:-/tmp}"
SCRIPT_DIR="$TEMP_DIR/winemg2"
mkdir -p "$SCRIPT_DIR"

# disable wine crash dialog
cat > "$SCRIPT_DIR"/crashdialog.reg <<_EOF_
REGEDIT4
[HKEY_CURRENT_USER\\Software\\Wine\\WineDbg]
"ShowCrashDialog"=dword:00000000
_EOF_

pushd $SCRIPT_DIR
wine64 regedit crashdialog.reg
popd

# get dotnet
DOTNET_URL="https://dotnetcli.azureedge.net/dotnet/Sdk/8.0.201/dotnet-sdk-8.0.201-win-x64.zip"
curl $DOTNET_URL --output "$SCRIPT_DIR/dotnet-sdk.zip"
7z x "$SCRIPT_DIR/dotnet-sdk.zip" -o"$WINEPREFIX/drive_c/windows/system32/"

# get d3dcompiler_47
FIREFOX_URL="https://download-installer.cdn.mozilla.net/pub/firefox/releases/62.0.3/win64/ach/Firefox%20Setup%2062.0.3.exe"
curl $FIREFOX_URL --output "$SCRIPT_DIR/firefox.exe"
7z x "$SCRIPT_DIR/firefox.exe" -o"$SCRIPT_DIR/firefox_data/"
cp -f "$SCRIPT_DIR/firefox_data/core/d3dcompiler_47.dll" "$WINEPREFIX/drive_c/windows/system32/d3dcompiler_47.dll"

# append MGFXC_WINE_PATH env variable
echo -e "\nexport MGFXC_WINE_PATH=$HOME/.winemonogame" >> ~/.profile
echo -e "\nexport MGFXC_WINE_PATH=$HOME/.winemonogame" >> ~/.zprofile

# cleanup
rm -rf "$SCRIPT_DIR"