import { Template } from '@easypanel/template-sdk';

// This secure template generates the docker-compose and uses environment variables
// so that secrets are not stored in files inside the project. Instead, config
// is generated at container start from env vars injected by the panel.

const t: Template = {
  meta: require('./meta.yaml'),
  render: (values: any) => {
  const libVersion = values.libretime_version || '4.5';
    const publicUrl = values.public_url || 'http://{{hostname}}:8080';

    const compose = `version: '3.8'
services:
  postgres:
    image: postgres:15
    environment:
      POSTGRES_USER: libretime
      POSTGRES_PASSWORD: ${values.postgres_password ? `'${values.postgres_password}'` : "\"\""}
      POSTGRES_DB: libretime
    volumes:
      - postgres_data:/var/lib/postgresql/data

  rabbitmq:
    image: rabbitmq:3.13-alpine
    environment:
      RABBITMQ_DEFAULT_VHOST: /libretime
      RABBITMQ_DEFAULT_USER: libretime
      RABBITMQ_DEFAULT_PASS: ${values.rabbitmq_password ? `'${values.rabbitmq_password}'` : "\"\""}

  api:
    image: ghcr.io/libretime/libretime-api:${libVersion}
    environment:
      - LIBRETIME_GENERAL_PUBLIC_URL=${publicUrl}
      - LIBRETIME_CONFIG_FROM_ENV=true
    volumes:
      - libretime_storage:/srv/libretime
    depends_on:
      - postgres
      - rabbitmq

  # composer not included; follow standard LibreTime docker installation

  legacy:
    image: ghcr.io/libretime/libretime-legacy:${libVersion}
    environment:
      - LIBRETIME_CONFIG_FROM_ENV=true
    volumes:
      - libretime_storage:/srv/libretime
    depends_on:
      - postgres
      - rabbitmq

  nginx:
    image: ghcr.io/libretime/libretime-nginx:${libVersion}
    ports:
      - "8080:8080"
    volumes:
      - libretime_storage:/srv/libretime:ro
      - ./docker/nginx/default.conf:/etc/nginx/conf.d/default.conf:ro
    depends_on:
      - legacy
      - api

volumes:
  postgres_data:
  libretime_storage:
`;

    const startupSh = `#!/bin/sh
# At container start this script writes /etc/libretime/config.yml from env
cat > /etc/libretime/config.yml <<EOF
general:
  public_url: ${publicUrl}
  api_key: "${values.api_key || ''}"
  secret_key: "${values.secret_key || ''}"

database:
  host: ${values.database_host || 'postgres'}
  port: 5432
  name: libretime
  user: libretime
  password: "$POSTGRES_PASSWORD"

rabbitmq:
  host: ${values.rabbitmq_host || 'rabbitmq'}
  port: 5672
  vhost: /libretime
  user: libretime
  password: "$RABBITMQ_DEFAULT_PASS"
EOF
`;

    return {
      files: [
        { path: 'docker-compose.yml', content: compose },
        { path: 'startup/generate-config.sh', content: startupSh },
  { path: 'docker/nginx/default.conf', content: require('fs').readFileSync('docker/nginx/default.conf','utf8') },
      ],
    };
  },
};

export default t;