#!/bin/bash
set -e

NODE_BIN=$(command -v bun || command -v npm)
PY_BIN=$(command -v uv || command -v pip)
DISTRO_BIN=$(command -v apt || command -v yum || command -v pacman || command -v zypper)

echo "[Backend] Installing Backend Packages..."
if [ $(basename "$PY_BIN") = "pip" ]; then

  (
    cd backend
    python -m venv .venv
    . .venv/bin/activate
    pip install -r requirements.txt
  )
else
  (
    cd backend
    uv sync
  )
fi

echo "[Frontend] Installing Frontend Packages..."
if [ $(basename "$NODE_BIN") = "npm" ]; then
  (
    cd frontend
    npm install
  )
else
  (
    cd frontend
    bun install --frozen-lockfile
  )
fi

# Simplify ssl generation for local - source & credits:- https://github.com/FiloSottile/mkcert
echo "[Cert] Setting up SSL..."
# pre-requisites (might be available already, just in case)
if [ $(basename "$DISTRO_BIN") = "apt" ]; then
  sudo apt install -y libnss3-tools
elif [ $(basename "$DISTRO_BIN") = "yum" ]; then
  sudo yum install -y nss-tools
elif [ $(basename "$DISTRO_BIN") = "pacman" ]; then
  sudo pacman -S --noconfirm nss
elif [ $(basename "$DISTRO_BIN") = "zypper" ]; then
  sudo zypper install -y mozilla-nss-tools
fi

# Detect os and arch to get the appropriate bin. Windows: ...NO SOUP FOR YOU!
OS=$(uname -s)
ARCH=$(uname -m)
case $OS in
    Darwin)
        MKCERT_OS="darwin"
        ;;
    *)
        MKCERT_OS="linux"
        ;;
esac
case $ARCH in
    arm64|aarch64)
        MKCERT_ARCH="arm64"
        ;;
    *)
        MKCERT_ARCH="amd64"
        ;;
esac
echo "[Cert] Downloading mkcert for $MKCERT_OS $MKCERT_ARCH..."
MKCERT_URL="https://dl.filippo.io/mkcert/latest?for=${MKCERT_OS}/${MKCERT_ARCH}"
curl -L -o /tmp/mkcert $MKCERT_URL
chmod +x /tmp/mkcert

echo "[Cert] Creating certs for localhost..."
mkdir -p certs
/tmp/mkcert -install
/tmp/mkcert -cert-file certs/localhost.pem -key-file certs/localhost-key.pem localhost 127.0.0.1