#!/bin/bash
# start.sh — entrypoint do container
# NÃO apaga projetos nem configs existentes — só sobe o que falta

PROJECTS_DIR="${PROJECTS_DIR:-/home/deploy/projects}"
BASE_PORT="${BASE_PORT:-3000}"

echo "================================================"
echo " NestJS Stack — Iniciando..."
echo "================================================"

mkdir -p "$PROJECTS_DIR"
mkdir -p /etc/nginx/sites-dynamic

# Inicia nginx
echo "→ Iniciando Nginx..."
nginx -t && nginx
echo "✓ Nginx rodando"

echo "→ Verificando projetos existentes..."
port_index=1

for project_dir in "$PROJECTS_DIR"/*/; do
    [ -d "$project_dir" ] || continue
    project=$(basename "$project_dir")
    port=$((BASE_PORT + port_index))

    if [ -f "$project_dir/dist/main.js" ]; then
        echo "  → Subindo $project na porta $port"

        echo "$port" > "$project_dir/.port"

        # Recria config nginx SOMENTE se não existir
        if [ ! -f "/etc/nginx/sites-dynamic/${project}.conf" ]; then
            echo "  → Criando config nginx para $project"
            cat > "/etc/nginx/sites-dynamic/${project}.conf" <<EOF
location /${project}/ {
    proxy_pass http://localhost:${port}/;
    proxy_http_version 1.1;
    proxy_set_header Upgrade \$http_upgrade;
    proxy_set_header Connection 'upgrade';
    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_cache_bypass \$http_upgrade;
}
EOF
        fi

        # Sobe no PM2 se não estiver rodando, senão reinicia
        if pm2 describe "$project" > /dev/null 2>&1; then
            pm2 restart "$project"
        else
            pm2 start "$project_dir/dist/main.js" \
                --name "$project" \
                --env production \
                -- --port "$port"
        fi
    else
        echo "  ⚠ $project sem build — rode: ./host-deploy.sh $project"
    fi

    port_index=$((port_index + 1))
done

nginx -s reload 2>/dev/null || true
echo "✓ Nginx atualizado com rotas dos projetos"

pm2 save 2>/dev/null || true

echo ""
echo "================================================"
echo " Stack pronta!"
echo " Acesse: http://${DOMAIN:-localhost}/<projeto>"
echo "================================================"

pm2 logs --raw