#!/usr/bin/env bash
# Build MIM4U frontend and deploy to VMID 7810 /var/www/html.
# Run from project root. Requires: npm in miracles_in_motion, ssh to Proxmox node, rsync or scp.
#
# Usage: ./scripts/mim4u-deploy-to-7810.sh

set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
MIM_ROOT="${PROJECT_ROOT}/miracles_in_motion"
[[ -f "$PROJECT_ROOT/config/ip-addresses.conf" ]] && source "$PROJECT_ROOT/config/ip-addresses.conf" 2>/dev/null || true

VMID_MIM_WEB="${VMID_MIM_WEB:-7810}"
PROXMOX_HOST="${PROXMOX_HOST_R630_02:-192.168.11.12}"
MIM_WEB_IP="${IP_MIM_WEB:-192.168.11.37}"
DEST="/var/www/html"
MIM_API_UPSTREAM="${MIM_API_UPSTREAM:-http://192.168.11.36:3001}"

echo "Building MIM4U frontend..."
(cd "$MIM_ROOT" && npm run build)
echo "Deploying dist to root@$PROXMOX_HOST (pct exec $VMID_MIM_WEB) at $DEST ..."
# Copy into container: tar from host, extract in container
tar czf - -C "$MIM_ROOT/dist" . | ssh "root@$PROXMOX_HOST" "pct exec $VMID_MIM_WEB -- tar xzf - -C $DEST"
echo "Ensuring nginx proxies /api/ to $MIM_API_UPSTREAM ..."
ssh "root@$PROXMOX_HOST" "pct exec $VMID_MIM_WEB -- bash -lc 'cat > /etc/nginx/sites-available/mim4u <<\"EOF\"
server {
    listen 80;
    server_name mim4u.org www.mim4u.org secure.mim4u.org training.mim4u.org;

    root /var/www/html;
    index index.html index.htm;

    location /api/ {
        proxy_pass ${MIM_API_UPSTREAM}/api/;
        proxy_http_version 1.1;
        proxy_set_header Host \$host;
        proxy_set_header X-Real-IP \$remote_addr;
        proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto \$scheme;
    }

    location / {
        try_files \$uri \$uri/ /index.html;
    }

    location /health {
        access_log off;
        return 200 \"healthy\\n\";
        add_header Content-Type text/plain;
    }

    location ~* \\.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control \"public, immutable\";
    }
}
EOF
nginx -t && systemctl reload nginx'"
echo "Done. Verify: curl -I http://${MIM_WEB_IP}:80/"