#!/bin/sh -e

# Prevent execution if this script was only partially downloaded
{
rc='\033[0m'
red='\033[0;31m'

check() {
    exit_code=$1
    message=$2

    if [ "$exit_code" -ne 0 ]; then
        printf '%sERROR: %s%s\n' "$red" "$message" "$rc"
        exit 1
    fi

    unset exit_code
    unset message
}

SCRIPT_DIR=$(CDPATH='' cd -- "$(dirname -- "$0")" && pwd)
if [ -f "$SCRIPT_DIR/Cargo.toml" ] && command -v cargo >/dev/null 2>&1; then
    TARGET_DIR=${CARGO_TARGET_DIR:-"$HOME/.cache/linutil/target"}
    mkdir -p "$TARGET_DIR"
    check $? "Preparing build cache"

    cd "$SCRIPT_DIR"
    check $? "Entering linutil directory"

    CARGO_TARGET_DIR="$TARGET_DIR" cargo run -p linutil_tui --bin linutil -- "$@"
    check $? "Running linutil from source"
    exit 0
fi

findArch() {
    case "$(uname -m)" in
        x86_64|amd64) arch="x86_64" ;;
        aarch64|arm64) arch="aarch64" ;;
        *) check 1 "Unsupported architecture"
    esac
}

getUrl() {
    case "${arch}" in
        x86_64) echo "https://github.com/ChrisTitusTech/linutil/releases/latest/download/linutil";;
        *) echo "https://github.com/ChrisTitusTech/linutil/releases/latest/download/linutil-${arch}";;
    esac
}

findArch
temp_file=$(mktemp)
check $? "Creating the temporary file"

curl -fsL "$(getUrl)" -o "$temp_file"
check $? "Downloading linutil"

chmod +x "$temp_file"
check $? "Making linutil executable"

"$temp_file" "$@"
check $? "Executing linutil"

rm -f "$temp_file"
check $? "Deleting the temporary file"
} # End of wrapping