#!/usr/bin/env bash
set -euo pipefail

TENANT_ID=${1:-}

if [[ -z "$TENANT_ID" ]]; then
  echo "Usage: $0 <tenant-id>" >&2
  exit 1
fi

if ! [[ "$TENANT_ID" =~ ^[a-z0-9-]+$ ]]; then
  echo "Error: tenant-id must be lowercase alphanumeric and dashes (e.g., acme-corp)" >&2
  exit 1
fi

COMPOSE_FILE="docker-compose.yml"

echo "Appending services for tenant '$TENANT_ID' to $COMPOSE_FILE..."

cat >> "$COMPOSE_FILE" <<YAML

  ${TENANT_ID}-backend:
    build: ./backend
    environment:
      - TENANT_ID=${TENANT_ID}
      - DATABASE_URL=postgresql://motovault_user:\${DB_PASSWORD}@${TENANT_ID}-postgres:5432/motovault
      - REDIS_URL=redis://${TENANT_ID}-redis:6379
      - PLATFORM_TENANTS_API_URL=http://mvp-platform-tenants:8000
      - PLATFORM_VEHICLES_API_URL=http://mvp-platform-vehicles-api:8000
      - PLATFORM_VEHICLES_API_KEY=\${PLATFORM_VEHICLES_API_KEY:-mvp-platform-vehicles-secret-key}
    depends_on:
      - ${TENANT_ID}-postgres
      - ${TENANT_ID}-redis

  ${TENANT_ID}-frontend:
    build: ./frontend
    environment:
      - VITE_API_BASE_URL=http://${TENANT_ID}-backend:3001
      - VITE_TENANT_ID=${TENANT_ID}
      - VITE_AUTH0_DOMAIN=\${VITE_AUTH0_DOMAIN:-motovaultpro.us.auth0.com}
      - VITE_AUTH0_CLIENT_ID=\${VITE_AUTH0_CLIENT_ID:-replace-me}
      - VITE_AUTH0_AUDIENCE=\${VITE_AUTH0_AUDIENCE:-https://api.motovaultpro.com}
    depends_on:
      - ${TENANT_ID}-backend

  ${TENANT_ID}-postgres:
    image: postgres:15-alpine
    environment:
      POSTGRES_DB: motovault
      POSTGRES_USER: motovault_user
      POSTGRES_PASSWORD: \${DB_PASSWORD:-localdev123}
      POSTGRES_INITDB_ARGS: "--encoding=UTF8"
    volumes:
      - ./backend/src/_system/migrations:/docker-entrypoint-initdb.d
      - ${TENANT_ID}_postgres_data:/var/lib/postgresql/data

  ${TENANT_ID}-redis:
    image: redis:7-alpine
    command: redis-server --appendonly yes
    volumes:
      - ${TENANT_ID}_redis_data:/data

YAML

echo "Adding volumes for tenant '$TENANT_ID'..."

cat >> "$COMPOSE_FILE" <<YAML

  ${TENANT_ID}_postgres_data:
  ${TENANT_ID}_redis_data:

YAML

echo "Tenant '${TENANT_ID}' provisioned. Run 'docker compose up -d' to start services."