#!/usr/bin/env bash
# MonoKickstart Shell Script
# Written by Ethan "flibitijibibo" Lee
# Modified for SMAPI by various contributors

# Move to script's directory
cd "$(dirname "$0")" || exit $?

# Get the system architecture
UNAME=$(uname)
ARCH=$(uname -m)

# MonoKickstart picks the right libfolder, so just execute the right binary.
if [ "$UNAME" == "Darwin" ]; then
    # ... Except on OSX.
    export DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH:./osx/

    # El Capitan is a total idiot and wipes this variable out, making the
    # Steam overlay disappear. This sidesteps "System Integrity Protection"
    # and resets the variable with Valve's own variable (they provided this
    # fix by the way, thanks Valve!). Note that you will need to update your
    # launch configuration to the script location, NOT just the app location
    # (i.e. Kick.app/Contents/MacOS/Kick, not just Kick.app).
    # -flibit
    if [ "$STEAM_DYLD_INSERT_LIBRARIES" != "" ] && [ "$DYLD_INSERT_LIBRARIES" == "" ]; then
        export DYLD_INSERT_LIBRARIES="$STEAM_DYLD_INSERT_LIBRARIES"
    fi

    # this was here before
    ln -sf mcs.bin.osx mcs

    # fix "DllNotFoundException: libgdiplus.dylib" errors when loading images in SMAPI
    if [ -f libgdiplus.dylib ]; then
        rm libgdiplus.dylib
    fi
    if [ -f /Library/Frameworks/Mono.framework/Versions/Current/lib/libgdiplus.dylib ]; then
        ln -s /Library/Frameworks/Mono.framework/Versions/Current/lib/libgdiplus.dylib libgdiplus.dylib
    fi

    # create bin file
    # Note: don't overwrite if it's identical, to avoid resetting permission flags
    if [ ! -x StardewModdingAPI.bin.osx ] || ! cmp StardewValley.bin.osx StardewModdingAPI.bin.osx >/dev/null 2>&1; then
        cp -p StardewValley.bin.osx StardewModdingAPI.bin.osx
    fi

    # launch SMAPI
    open -a Terminal ./StardewModdingAPI.bin.osx "$@"
else
    # choose launcher
    LAUNCHER=""
    if [ "$ARCH" == "x86_64" ]; then
        ln -sf mcs.bin.x86_64 mcs
        cp StardewValley.bin.x86_64 StardewModdingAPI.bin.x86_64
        LAUNCHER="./StardewModdingAPI.bin.x86_64"
    else
        ln -sf mcs.bin.x86 mcs
        cp StardewValley.bin.x86 StardewModdingAPI.bin.x86
        LAUNCHER="./StardewModdingAPI.bin.x86"
    fi
    export LAUNCHER

    # get cross-distro version of POSIX command
    COMMAND=""
    if command -v command 2>/dev/null; then
        COMMAND="command -v"
    elif type type 2>/dev/null; then
        COMMAND="type -p"
    fi

    # select terminal (prefer xterm for best compatibility, then known supported terminals)
    for terminal in xterm gnome-terminal kitty terminator xfce4-terminal konsole terminal termite alacritty mate-terminal x-terminal-emulator; do
        if $COMMAND "$terminal" 2>/dev/null; then
            export LAUNCHTERM=$terminal
            break;
        fi
    done

    # find the true shell behind x-terminal-emulator
    if [ "$LAUNCHTERM" = "x-terminal-emulator" ]; then
        export LAUNCHTERM="$(basename "$(readlink -f $(COMMAND x-terminal-emulator))")"
    fi

    # run in selected terminal and account for quirks
    case $LAUNCHTERM in
        terminal|termite)
            # LAUNCHTERM consumes only one argument after -e
            # options containing space characters are unsupported
            exec $LAUNCHTERM -e "env TERM=xterm $LAUNCHER $@"
            ;;
        xterm|konsole|alacritty)
            # LAUNCHTERM consumes all arguments after -e
            exec $LAUNCHTERM -e env TERM=xterm $LAUNCHER "$@"
            ;;
        terminator|xfce4-terminal|mate-terminal)
            # LAUNCHTERM consumes all arguments after -x
            exec $LAUNCHTERM -x env TERM=xterm $LAUNCHER "$@"
            ;;
        gnome-terminal)
            # LAUNCHTERM consumes all arguments after --
            exec $LAUNCHTERM -- env TERM=xterm $LAUNCHER "$@"
            ;;
        kitty)
            # LAUNCHTERM consumes all trailing arguments
            exec $LAUNCHTERM env TERM=xterm $LAUNCHER "$@"
            ;;
        *)
            # If we don't know the terminal, just try to run it in the current shell.
            env TERM=xterm $LAUNCHER "$@"
            # if THAT fails, launch with no output
            if [ $? -eq 127 ]; then
                exec $LAUNCHER --no-terminal "$@"
            fi
    esac
fi