#! /bin/bash

# Make sure the setup script is running from this directory
ORIGDIR="$(pwd)"
cd "$(dirname "$0")"

# Ensure the spec submodule was cloned
if [ ! -f spec/README.md ]; then
    echo "git submodule was not initialized before. Doing it now"
    git submodule init
    if ! git submodule update; then
        echo "Failed to download git submodule. Aborting setup!"
        exit 1
    fi
fi

# Copy the translations to ~/.local/share/forgebuild
FORGEBUILD_DATA=$HOME/.local/share/forgebuild
if [ ! -d $FORGEBUILD_DATA ]; then
   if ! mkdir -p $FORGEBUILD_DATA; then
       echo "Failed to create folder $FORGEBUILD_DATA to store translations"
       exit 2
    fi
fi
if ! cp -r spec/i18n $FORGEBUILD_DATA; then
    echo "Failed to copy translations to $FORGEBUILD_DATA"
    exit 3
else
    echo "Successfully updated translations in $FORGEBUILD_DATA"
fi

I18N_FOLDER=$FORGEBUILD_DATA/i18n

# Check if forgebuild already exists in $PATH
FORGEBUILD_BIN="$(command -v forgebuild)"
if [ $? -eq 0 ]; then
    echo "forgebuild is already setup on this system. Performing an update."
    owner="$(ls -ld $FORGEBUILD_BIN | awk '{print $3}')"
    # Check ownership to ensure we can overwrite the file
    if [[ $owner = "$USER" ]]; then
        cp forgebuild.sh $FORGEBUILD_BIN || exit 3
        echo "Successfully updated forgebuild"
    else
        # File is not ours, we need to escalate privileges
        if ! sudo cp forgebuild.sh $FORGEBUILD_BIN; then
            echo "Failed to escalate privileges to setup forgebuild. Are you sure sudo is configured properly?"
            exit 4
        fi
        echo "Successfully updated forgebuild"
    fi
else
    echo "forgebuild was not setup before. Installing it in the first writable folder in \$PATH."
    SETUP=0
    while read -d ':' -r dir; do
        if [ -w $dir ]; then
            cp forgebuild.sh $dir/forgebuild
            echo "Successfully installed forgebuild to $dir"
            SETUP=1
            break
        fi
    done <<< $PATH
    if [ $SETUP -eq 0 ]; then
        echo "No writable folder in \$PATH. Installing to /usr/local/bin (using sudo)"
        if ! sudo cp forgebuild.sh /usr/local/bin/forgebuild; then
            echo "Failed to escalate privileges to setup forgebuild. Are you sure sudo is configured properly?"
            exit 5
        fi
    fi
fi

# Return to the folder the script was called from
cd "$ORIGDIR"