#!/bin/sh

# Dev entrypoint - runs all services with hot-reload

set -e

PUID=${PUID:-1000}
PGID=${PGID:-1000}

if [ "$(id -u)" = "0" ]; then
    if [ "$PUID" != "1000" ] || [ "$PGID" != "1000" ]; then
        deluser node 2>/dev/null || true
        delgroup node 2>/dev/null || true
        addgroup -g "$PGID" -S node
        adduser -S -u "$PUID" -G node -h /home/node -s /bin/sh node
    fi

    # Fix data dir ownership
    chown "$PUID:$PGID" /app/data 2>/dev/null || true
    chown "$PUID:$PGID" /app/data/requests.db* 2>/dev/null || true

    # Install/update deps as root (named volumes are root-owned)
    cd /app/proxy && go mod download
    cd /app/svelte && npm install --loglevel=warn 2>&1 || true
    cd /app

    # Fix ownership on everything the node user needs to write to
    chown -R "$PUID:$PGID" /app/svelte/node_modules 2>/dev/null || true
    # Pre-create .svelte-kit and fix ownership so vite dev can write type definitions
    mkdir -p /app/svelte/.svelte-kit/types
    chown -R "$PUID:$PGID" /app/svelte/.svelte-kit /app/svelte/build 2>/dev/null || true

    # Ensure Go cache/tmp dirs are writable by the node user
    # Use a dedicated dir for the proxy binary so CompileDaemon can overwrite it
    mkdir -p /home/node/.cache/go-build /tmp/go-build /tmp/proxy-bin
    chown -R "$PUID:$PGID" /home/node/.cache /tmp/go-build /tmp/proxy-bin /go/pkg 2>/dev/null || true

    # Re-exec this script as the node user
    exec su-exec "$PUID:$PGID" "$0" "$@"
fi

echo "=== DEV MODE (uid=$(id -u)) ==="
echo "Proxy Server: http://0.0.0.0:${PORT} (CompileDaemon hot-reload)"
echo "Svelte Dashboard: http://0.0.0.0:${SVELTE_PORT} (vite HMR)"
echo "================"

cleanup() {
    echo "Shutting down dev services..."
    kill $PROXY_PID $SVELTE_PID 2>/dev/null || true
    exit 0
}

trap cleanup SIGTERM SIGINT

# Start Go proxy with CompileDaemon for hot-reload
cd /app/proxy
HOME=/home/node CompileDaemon -build="go build -o /tmp/proxy-bin/proxy cmd/proxy/main.go" -command="/tmp/proxy-bin/proxy" -graceful-kill=true -graceful-timeout=10 -pattern="(.+\\.go|.+\\.yaml)$" &
PROXY_PID=$!
cd /app

# Wait for Go proxy to be ready (up to 120s for first compile)
echo "Waiting for proxy to be ready..."
i=0
while [ $i -lt 120 ]; do
    if wget -qO /dev/null "http://localhost:${PORT}/health" 2>/dev/null; then
        echo "Proxy is ready!"
        break
    fi
    sleep 2
    i=$((i + 2))
done
if [ $i -ge 120 ]; then
    echo "Warning: proxy not ready after 120s, starting frontends anyway"
fi

# Start SvelteKit dev server (Vite HMR)
cd /app/svelte
PORT=${SVELTE_PORT} HOST=0.0.0.0 DASHBOARD_PASSWORD="${DASHBOARD_PASSWORD}" npm run dev -- --host 0.0.0.0 --port ${SVELTE_PORT} &
SVELTE_PID=$!
cd /app

echo ""
echo "All dev services started. Watching for file changes..."
echo ""

wait