set -e

RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'

BLUE='\033[0;34m'; BOLD='\033[1m'; NC='\033[0m'

echo ""

echo -e "${BLUE}${BOLD} =======================================${NC}"

echo -e "${BLUE}${BOLD} TechScript 2.0 — Universal Installer ${NC}"

echo -e "${BLUE}${BOLD} =======================================${NC}"

echo ""

OS="$(uname -s)"

ARCH="$(uname -m)"

case "${OS}" in

Linux*) PLATFORM="Linux" ;;

Darwin*) PLATFORM="macOS" ;;

*) PLATFORM="Unknown";;

echo -e " Detected Platform: ${GREEN}${PLATFORM} (${ARCH})${NC}"

echo ""

echo " [1/4] Retrieving latest release information..."

LATEST_TAG=$(curl -s "https://api.github.com/repos/Tcode-Motion/techscript/releases/latest" | grep -Po '"tag_name": "\K[^"]*' || true)

if [ -z "$LATEST_TAG" ] || [[ "$LATEST_TAG" == v1.* ]]; then

LATEST_TAG="release-2.0.0"

echo -e " Target Release: ${GREEN}${LATEST_TAG}${NC}"

ASSET_NAME=""

if [ "$PLATFORM" = "Linux" ] && [ "$ARCH" = "x86_64" ]; then

ASSET_NAME="techscript-linux-x64.tar.gz"

elif [ "$PLATFORM" = "macOS" ]; then

if [ "$ARCH" = "x86_64" ]; then

ASSET_NAME="techscript-macos-x64.tar.gz"

elif [ "$ARCH" = "arm64" ] || [ "$ARCH" = "aarch64" ]; then

ASSET_NAME="techscript-macos-arm64.tar.gz"

fi

echo ""

echo " [2/4] Fetching TechScript engine..."

TEMP_DIR=$(mktemp -d)

DOWNLOAD_SUCCESS=false

log_message() {

echo -e " [INFO] $1"

}

if [ -n "$ASSET_NAME" ]; then

DOWNLOAD_URL="https://github.com/Tcode-Motion/techscript/releases/download/${LATEST_TAG}/${ASSET_NAME}"

log_message "Pre-compiled native binary found: $ASSET_NAME"

log_message "Downloading from $DOWNLOAD_URL..."

if curl -fsSL "$DOWNLOAD_URL" -o "$TEMP_DIR/$ASSET_NAME"; then

log_message "Extracting release files..."

tar -xzf "$TEMP_DIR/$ASSET_NAME" -C "$TEMP_DIR"

DOWNLOAD_SUCCESS=true

echo -e " ${GREEN}✓ Native binary downloaded and verified.${NC}"

else

log_message "Failed to download pre-compiled binary. Falling back to source build..."

fi

if [ "$DOWNLOAD_SUCCESS" != "true" ]; then

log_message "No compatible pre-compiled binary found (or download failed)."

log_message "Attempting to build from source using Rust toolchain..."

if ! command -v cargo &>/dev/null; then

echo -e " ${RED}[ERROR] Rust cargo package manager not found.${NC}"

echo " Since no pre-compiled binary is available for your architecture,"

echo " you need to install Rust to compile TechScript from source."

echo " Install Rust with this command:"

echo -e " ${YELLOW}curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh${NC}"

exit 1

fi

log_message "Rust toolchain detected: $(cargo --version)"

log_message "Cloning repository..."

git clone https://github.com/Tcode-Motion/techscript.git "$TEMP_DIR/techscript"

cd "$TEMP_DIR/techscript"

log_message "Compiling release binaries (cargo build --release)..."

cargo build --workspace --release

cp target/release/tsc "$TEMP_DIR/tsc"

echo -e " ${GREEN}✓ Built successfully from source.${NC}"

echo ""

echo " [3/4] Setup 'tsc' executable binary..."

INSTALL_DIR="/usr/local/bin"

if [ ! -w "$INSTALL_DIR" ]; then

# If /usr/local/bin is not writable, try ~/.local/bin

INSTALL_DIR="$HOME/.local/bin"

mkdir -p "$INSTALL_DIR"

log_message "Installing binary to $INSTALL_DIR/tsc"

if [ -w "$INSTALL_DIR" ]; then

cp "$TEMP_DIR/tsc" "$INSTALL_DIR/tsc"

log_message "Requesting superuser privileges to copy binary to $INSTALL_DIR..."

sudo cp "$TEMP_DIR/tsc" "$INSTALL_DIR/tsc"

chmod +x "$INSTALL_DIR/tsc"

echo ""

echo " [4/4] Setting up environment PATH..."

SHELL_RC=""

case "${SHELL}" in

*/zsh) SHELL_RC="$HOME/.zshrc" ;;

*/bash) SHELL_RC="$HOME/.bashrc" ;;

*) SHELL_RC="$HOME/.profile" ;;

if [[ ":$PATH:" != *":$INSTALL_DIR:"* ]]; then

EXPORT_LINE="export PATH=\"$INSTALL_DIR:\$PATH\""

if [ -f "$SHELL_RC" ]; then

if ! grep -q "$INSTALL_DIR" "$SHELL_RC"; then

echo "" >> "$SHELL_RC"

echo "# TechScript v2 Toolchain" >> "$SHELL_RC"

echo "$EXPORT_LINE" >> "$SHELL_RC"

echo -e " ${GREEN}✓ Added PATH configuration to $SHELL_RC${NC}"

fi

else

echo -e " ${YELLOW}[WARN] Please manually add $INSTALL_DIR to your shell PATH.${NC}"

fi

echo -e " ${GREEN}✓ $INSTALL_DIR is already in your environment PATH.${NC}"

echo ""

export PATH="$INSTALL_DIR:$PATH"

if command -v tsc &>/dev/null; then

echo -e " ${GREEN}✓ 'tsc' command is successfully installed!${NC}"

echo " Version:"

tsc version

echo -e " ${YELLOW}[WARN] 'tsc' binary installed but not active in current shell environment.${NC}"

echo " Please restart your terminal or run: source $SHELL_RC"

rm -rf "$TEMP_DIR"

echo ""

echo -e "${GREEN}${BOLD} =======================================${NC}"

echo -e "${GREEN}${BOLD} TechScript v2.0.0 Setup Complete! 🎉 ${NC}"

echo -e "${GREEN}${BOLD} =======================================${NC}"

echo ""

echo " Create and run your first project:"

echo " tsc new my_project"

echo " cd my_project"

echo " tsc run"

echo ""