dev.sh

#!/bin/bash
set -e

# ── colours ───────────────────────────────────────────────────────────────────
GREEN='\033[0;32m'
ORANGE='\033[0;33m'
CYAN='\033[0;36m'
RED='\033[0;31m'
NC='\033[0m'

info()  { echo -e "${GREEN}[dev]${NC} $*"; }
warn()  { echo -e "${ORANGE}[dev]${NC} $*"; }
error() { echo -e "${RED}[dev]${NC} $*"; }

# ── cd to repo root ────────────────────────────────────────────────────────────
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$SCRIPT_DIR"

# ── 1. uv ──────────────────────────────────────────────────────────────────────
if ! command -v uv &>/dev/null; then
    warn "uv not found — installing..."
    curl -LsSf https://astral.sh/uv/install.sh | sh
    # add to PATH for this session
    export PATH="$HOME/.local/bin:$PATH"
fi

# ── 2. Python venv + deps ──────────────────────────────────────────────────────
if [ ! -d ".venv" ]; then
    info "Creating .venv and installing Python dependencies..."
    uv sync --no-dev
else
    info "Python venv already exists — syncing dependencies..."
    uv sync --no-dev --quiet
fi

# ── 3. Backend .env ────────────────────────────────────────────────────────────
if [ ! -f ".env" ]; then
    info "Creating .env from .env.example..."
    cp .env.example .env
fi

# Ensure debug mode is on (allows CORS from the Vite dev server)
if ! grep -qE "^SPOOLMAN_DEBUG_MODE=TRUE" .env; then
    # Remove any existing (commented or set to FALSE) debug line and append the right value
    sed -i '/SPOOLMAN_DEBUG_MODE/d' .env
    echo "SPOOLMAN_DEBUG_MODE=TRUE" >> .env
    info "Enabled SPOOLMAN_DEBUG_MODE in .env"
fi

# ── 4. Frontend deps ───────────────────────────────────────────────────────────
if [ ! -d "client/node_modules" ]; then
    info "Installing frontend dependencies..."
    npm install --prefix client
else
    info "Frontend node_modules already present — skipping npm install"
fi

# ── 5. Frontend .env.local ────────────────────────────────────────────────────
if [ ! -f "client/.env.local" ]; then
    info "Creating client/.env.local..."
    echo "VITE_APIURL=/api/v1" > client/.env.local
fi

# ── 6. Ensure client/dist exists (backend mounts it as static files on startup) ──
if [ ! -d "client/dist" ]; then
    info "Creating client/dist placeholder so the backend can start..."
    mkdir -p client/dist
    echo "<!-- dev placeholder -->" > client/dist/index.html
fi

# ── 7. Start both servers ──────────────────────────────────────────────────────
info "Starting backend  → http://localhost:7912"
info "Starting frontend → http://localhost:5173"
info "Press Ctrl+C to stop both."
echo ""

# Log files so output from both processes is readable
BACKEND_LOG="/tmp/spoolman-backend.log"
FRONTEND_LOG="/tmp/spoolman-frontend.log"

source .venv/bin/activate

# Start backend
uvicorn spoolman.main:app --host 0.0.0.0 --port 7912 --reload \
    2>&1 | tee "$BACKEND_LOG" &
BACKEND_PID=$!

# Give the backend a moment to bind the port before the frontend starts
sleep 1

# Start frontend
npm run dev --prefix client \
    2>&1 | tee "$FRONTEND_LOG" &
FRONTEND_PID=$!

# ── cleanup on Ctrl+C ─────────────────────────────────────────────────────────
cleanup() {
    echo ""
    info "Shutting down..."
    kill "$BACKEND_PID"  2>/dev/null || true
    kill "$FRONTEND_PID" 2>/dev/null || true
    wait "$BACKEND_PID"  2>/dev/null || true
    wait "$FRONTEND_PID" 2>/dev/null || true
    info "Done. Logs saved to $BACKEND_LOG and $FRONTEND_LOG"
}
trap cleanup INT TERM

# Wait for either process to exit unexpectedly
wait -n 2>/dev/null || {
    # wait -n not available on older bash — fall back to polling
    while kill -0 "$BACKEND_PID" 2>/dev/null && kill -0 "$FRONTEND_PID" 2>/dev/null; do
        sleep 1
    done
}

cleanup