install.sh

#!/bin/bash
# CacheWraith installer for a real local checkout.

set -euo pipefail

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'
NC='\033[0m'

INSTALL_DIR="${HOME}/.cachewraith"
VENV_DIR="${INSTALL_DIR}/venv"
BIN_DIR="${HOME}/.local/bin"
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

print_info() {
    echo -e "${BLUE}[INFO]${NC} $1"
}

print_success() {
    echo -e "${GREEN}[SUCCESS]${NC} $1"
}

print_warning() {
    echo -e "${YELLOW}[WARNING]${NC} $1"
}

print_error() {
    echo -e "${RED}[ERROR]${NC} $1"
}

check_source_checkout() {
    if [[ ! -f "${SCRIPT_DIR}/pyproject.toml" ]]; then
        print_error "install.sh must be run from a real CacheWraith checkout."
        exit 1
    fi
}

check_python() {
    if command -v python3 >/dev/null 2>&1; then
        PYTHON_CMD="python3"
    elif command -v python >/dev/null 2>&1; then
        PYTHON_CMD="python"
    else
        print_error "Python 3 is required."
        exit 1
    fi

    if ! "${PYTHON_CMD}" -c "import sys; raise SystemExit(0 if sys.version_info >= (3, 8) else 1)"; then
        print_error "Python 3.8 or higher is required."
        exit 1
    fi
}

install_cachewraith() {
    mkdir -p "${INSTALL_DIR}" "${BIN_DIR}"

    print_info "Creating virtual environment in ${VENV_DIR}"
    "${PYTHON_CMD}" -m venv "${VENV_DIR}"
    source "${VENV_DIR}/bin/activate"

    print_info "Installing CacheWraith from ${SCRIPT_DIR}"
    pip install --upgrade pip setuptools wheel >/dev/null
    pip install "${SCRIPT_DIR}" >/dev/null

    for command_name in cachewraith-cli cw; do
        cat > "${BIN_DIR}/${command_name}" << EOF
#!/bin/bash
source "${VENV_DIR}/bin/activate"
exec "${VENV_DIR}/bin/${command_name}" "\$@"
EOF
        chmod +x "${BIN_DIR}/${command_name}"
    done
}

print_info "Installing CacheWraith"
check_source_checkout
check_python
install_cachewraith

print_success "CacheWraith installed."
print_warning "Make sure ${BIN_DIR} is in your PATH."