/**
 * @type {import('node-pg-migrate').ColumnDefinitions | undefined}
 */
exports.shorthands = undefined;

/**
 * @param pgm {import('node-pg-migrate').MigrationBuilder}
 * @param run {() => void | undefined}
 * @returns {Promise<void> | void}
 */
exports.up = (pgm) => {
  // Create raw_events table for storing uploaded event data
  pgm.createTable('raw_events', {
    id: {
      type: 'uuid',
      primaryKey: true,
      default: pgm.func('gen_random_uuid()'),
    },
    device_id: {
      type: 'uuid',
      notNull: true,
      references: 'devices(id)',
      onDelete: 'CASCADE',
      comment: 'The device that uploaded this event',
    },
    user_profile_id: {
      type: 'uuid',
      notNull: true,
      references: 'user_profiles(id)',
      onDelete: 'CASCADE',
      comment: 'Owner of the device',
    },
    file_path: {
      type: 'text',
      notNull: true,
      comment: 'S3 file path/key for the uploaded file',
    },
    file_size: {
      type: 'bigint',
      comment: 'File size in bytes',
    },
    file_type: {
      type: 'varchar(100)',
      comment: 'MIME type of the uploaded file',
    },
    original_filename: {
      type: 'varchar(255)',
      comment: 'Original filename from the client',
    },
    event_type: {
      type: 'varchar(50)',
      notNull: true,
      comment: 'Type of event (motion, alert, etc.)',
    },
    event_timestamp: {
      type: 'timestamp with time zone',
      notNull: true,
      comment: 'When the event occurred on the device',
    },
    metadata: {
      type: 'jsonb',
      comment: 'Additional event metadata from the device',
    },
    processing_status: {
      type: 'varchar(20)',
      notNull: true,
      default: 'pending',
      comment: 'Processing status: pending, processing, completed, failed',
    },
    sqs_message_id: {
      type: 'varchar(255)',
      comment: 'SQS message ID for tracking',
    },
    processed_at: {
      type: 'timestamp with time zone',
      comment: 'When processing was completed',
    },
    created_at: {
      type: 'timestamp with time zone',
      notNull: true,
      default: pgm.func('now()'),
    },
    updated_at: {
      type: 'timestamp with time zone',
      notNull: true,
      default: pgm.func('now()'),
    },
  });

  // Create indexes for better performance
  pgm.createIndex('raw_events', 'device_id');
  pgm.createIndex('raw_events', 'user_profile_id');
  pgm.createIndex('raw_events', 'event_type');
  pgm.createIndex('raw_events', 'event_timestamp');
  pgm.createIndex('raw_events', 'processing_status');
  pgm.createIndex('raw_events', ['device_id', 'event_timestamp']);
  pgm.createIndex('raw_events', ['user_profile_id', 'created_at']);
};

/**
 * @param pgm {import('node-pg-migrate').MigrationBuilder}
 * @param run {() => void | undefined}
 * @returns {Promise<void> | void}
 */
exports.down = (pgm) => {
  pgm.dropTable('raw_events');
};