// Copyright 2021-2022 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only

import type { Database } from 'better-sqlite3';

import type { LoggerType } from '../../types/Logging';

export default function updateToSchemaVersion65(
  currentVersion: number,
  db: Database,
  logger: LoggerType
): void {
  if (currentVersion >= 65) {
    return;
  }

  db.transaction(() => {
    db.exec(
      `
      ALTER TABLE sticker_packs ADD COLUMN position INTEGER DEFAULT 0 NOT NULL;
      ALTER TABLE sticker_packs ADD COLUMN storageID STRING;
      ALTER TABLE sticker_packs ADD COLUMN storageVersion INTEGER;
      ALTER TABLE sticker_packs ADD COLUMN storageUnknownFields BLOB;
      ALTER TABLE sticker_packs
      ADD COLUMN storageNeedsSync
      INTEGER DEFAULT 0 NOT NULL;

      CREATE TABLE uninstalled_sticker_packs (
        id STRING NOT NULL PRIMARY KEY,
        uninstalledAt NUMBER NOT NULL,
        storageID STRING,
        storageVersion NUMBER,
        storageUnknownFields BLOB,
        storageNeedsSync INTEGER NOT NULL
      );

      -- Set initial position

      UPDATE sticker_packs
      SET
        position = (row_number - 1),
        storageNeedsSync = 1
      FROM (
        SELECT id, row_number() OVER (ORDER BY lastUsed DESC) as row_number
        FROM sticker_packs
      ) as ordered_pairs
      WHERE sticker_packs.id IS ordered_pairs.id;

      -- See: getAllStickerPacks

      CREATE INDEX sticker_packs_by_position_and_id ON sticker_packs (
        position ASC,
        id ASC
      );
      `
    );

    db.pragma('user_version = 65');
  })();

  logger.info('updateToSchemaVersion65: success!');
}