install.sh

# !/bin/bash

# Configuration
INSTALL_DIR="/usr/local/bin"
RELEASE_URL="https://github.com/tasnimzotder/tchat/releases/latest/download"
ASSET_DARWIN_ARM64="tchat.darwin.arm64"
ASSET_LINUX_AMD64="tchat.linux.amd64"
ASSET_LINUX_ARM64="tchat.linux.arm64"

# Output with colors
BLUE='\033[0;34m'
GREEN='\033[0;32m'
RED='\033[0;31m'
NC='\033[0m'

# Functions
print_message() {
    echo -e "${BLUE}tChat >> ${GREEN}$1${NC}"
}

error_exit() {
    echo -e "${BLUE}tChat >> ${RED}$1${NC}" >&2
    exit 1
}

determine_asset() {
    OS="$(uname -s)"
    ARCH="$(uname -m)"

    if [ "$OS" = "Darwin" ]; then
        # echo "$ASSET_DARWIN_ARM64"
        case $ARCH in
        arm64) echo "$ASSET_DARWIN_ARM64" ;;
        *) error_exit "Unsupported architecture. Only arm64 is supported." ;;
        esac
    elif [ "$OS" = "Linux" ]; then
        case $ARCH in
        x86_64) echo "$ASSET_LINUX_AMD64" ;;
        arm64) echo "$ASSET_LINUX_ARM64" ;;
        aarch64) echo "$ASSET_LINUX_ARM64" ;;
        *) error_exit "Unsupported architecture. Only amd64 and arm64 are supported." ;;
        esac
    else
        error_exit "Unsupported OS. Only macOS and Linux are supported."
    fi
}

dependency_check() {
    # check if sudo user
    if [ "$EUID" -ne 0 ]; then
        error_exit "Please run as root."
    fi

    if ! command -v curl &>/dev/null; then
        error_exit "curl is required to download tchat. Please install curl."
    fi
}

download_and_install() {
    asset=$(determine_asset)

    print_message "Detected OS: $(uname -s), Arch: $(uname -m)"
    print_message "Downloading and installing tchat..."

    curl -L "$RELEASE_URL/$asset" -o "$INSTALL_DIR/tchat" || error_exit "Download failed."
    chmod +x "$INSTALL_DIR/tchat" || error_exit "Could not make tchat executable."
}

sucess_installation() {
    # tchat logo
    echo -e "${GREEN}"
    echo ""
    echo ""
    echo "      ▄▄▄█████▓ ▄████▄   ██░ ██  ▄▄▄     ▄▄▄█████▓"
    echo "      ▓  ██▒ ▓▒▒██▀ ▀█  ▓██░ ██▒▒████▄   ▓  ██▒ ▓▒"
    echo "      ▒ ▓██░ ▒░▒▓█    ▄ ▒██▀▀██░▒██  ▀█▄ ▒ ▓██░ ▒░"
    echo "      ░ ▓██▓ ░ ▒▓▓▄ ▄██▒░▓█ ░██ ░██▄▄▄▄██░ ▓██▓ ░ "
    echo "        ▒██▒ ░ ▒ ▓███▀ ░░▓█▒░██▓ ▓█   ▓██▒ ▒██▒ ░ "
    echo "        ▒ ░░   ░ ░▒ ▒  ░ ▒ ░░▒░▒ ▒▒   ▓▒█░ ▒ ░░   "
    echo "          ░      ░  ▒    ▒ ░▒░ ░  ▒   ▒▒ ░   ░    "
    echo "        ░      ░         ░  ░░ ░  ░   ▒    ░      "
    echo "               ░ ░       ░  ░  ░      ░  ░        "
    echo "               ░                                  "
    echo ""
    echo ""
    echo -e "${NC}"

    print_message "tchat was installed successfully to $INSTALL_DIR/tchat with version $(tchat --version)."
    print_message "Run 'tchat --help' to get started."

    # shell check (bashrc, zshrc, etc.)
    shell_type="$(basename $SHELL)"

    if [ "$shell_type" = "bash" ]; then
        shell_file=".bashrc"
    elif [ "$shell_type" = "zsh" ]; then
        shell_file=".zshrc"
    else
        shell_file=".bashrc"
    fi

    # alias check "tc"
    if ! command -v tc &>/dev/null; then
        print_message "To create an alias tc for tchat, run 'echo \"alias tc='tchat'\" >> ~/$shell_file'."
    fi

    if ! command -v tchat &>/dev/null; then
        print_message "You may need to add $INSTALL_DIR to your PATH. Run 'echo \"export PATH=\$PATH:$INSTALL_DIR\" >> ~/$shell_file' to do so."
    fi

    print_message "Thanks for using tchat!"
}

# Main Script Logic
dependency_check &&
    download_and_install &&
    sucess_installation