-- Keep device push token schema aligned across tenant business databases.
-- The current test environment uses:
--   default -> tinode
--   system  -> meeting_im

SET @im_schema = 'tinode';
SET @im_sql = (
  SELECT IF(
    COUNT(*) = 0,
    CONCAT('ALTER TABLE ', @im_schema, '.im_device_push_tokens ADD COLUMN sdk_version VARCHAR(64) NOT NULL DEFAULT '''' AFTER platform'),
    'SELECT 1'
  )
  FROM information_schema.columns
  WHERE table_schema = @im_schema
    AND table_name = 'im_device_push_tokens'
    AND column_name = 'sdk_version'
);
PREPARE im_stmt FROM @im_sql;
EXECUTE im_stmt;
DEALLOCATE PREPARE im_stmt;

SET @im_sql = (
  SELECT IF(
    COUNT(*) = 0,
    CONCAT('ALTER TABLE ', @im_schema, '.im_device_push_tokens ADD COLUMN push_env VARCHAR(32) NOT NULL DEFAULT '''' AFTER sdk_version'),
    'SELECT 1'
  )
  FROM information_schema.columns
  WHERE table_schema = @im_schema
    AND table_name = 'im_device_push_tokens'
    AND column_name = 'push_env'
);
PREPARE im_stmt FROM @im_sql;
EXECUTE im_stmt;
DEALLOCATE PREPARE im_stmt;

SET @im_sql = (
  SELECT IF(
    COUNT(*) = 0,
    CONCAT('ALTER TABLE ', @im_schema, '.im_device_push_tokens ADD COLUMN notification_permission VARCHAR(32) NOT NULL DEFAULT '''' AFTER push_env'),
    'SELECT 1'
  )
  FROM information_schema.columns
  WHERE table_schema = @im_schema
    AND table_name = 'im_device_push_tokens'
    AND column_name = 'notification_permission'
);
PREPARE im_stmt FROM @im_sql;
EXECUTE im_stmt;
DEALLOCATE PREPARE im_stmt;

SET @im_schema = 'meeting_im';
SET @im_sql = (
  SELECT IF(
    COUNT(*) = 0,
    CONCAT('ALTER TABLE ', @im_schema, '.im_device_push_tokens ADD COLUMN sdk_version VARCHAR(64) NOT NULL DEFAULT '''' AFTER platform'),
    'SELECT 1'
  )
  FROM information_schema.columns
  WHERE table_schema = @im_schema
    AND table_name = 'im_device_push_tokens'
    AND column_name = 'sdk_version'
);
PREPARE im_stmt FROM @im_sql;
EXECUTE im_stmt;
DEALLOCATE PREPARE im_stmt;

SET @im_sql = (
  SELECT IF(
    COUNT(*) = 0,
    CONCAT('ALTER TABLE ', @im_schema, '.im_device_push_tokens ADD COLUMN push_env VARCHAR(32) NOT NULL DEFAULT '''' AFTER sdk_version'),
    'SELECT 1'
  )
  FROM information_schema.columns
  WHERE table_schema = @im_schema
    AND table_name = 'im_device_push_tokens'
    AND column_name = 'push_env'
);
PREPARE im_stmt FROM @im_sql;
EXECUTE im_stmt;
DEALLOCATE PREPARE im_stmt;

SET @im_sql = (
  SELECT IF(
    COUNT(*) = 0,
    CONCAT('ALTER TABLE ', @im_schema, '.im_device_push_tokens ADD COLUMN notification_permission VARCHAR(32) NOT NULL DEFAULT '''' AFTER push_env'),
    'SELECT 1'
  )
  FROM information_schema.columns
  WHERE table_schema = @im_schema
    AND table_name = 'im_device_push_tokens'
    AND column_name = 'notification_permission'
);
PREPARE im_stmt FROM @im_sql;
EXECUTE im_stmt;
DEALLOCATE PREPARE im_stmt;