##!/bin/bash
# Copyright (c) 2009-2021 Volodymyr M. Lisivka <vlisivka@gmail.com>, All Rights Reserved
# License: LGPL2+

# Import log module and then override some functions
import::import_module log date meta

#>> ## NAME
#>>
#>>> `timestamped_log` - print timestamped logs. Drop-in replacement for `log` module.

#>
#> ## VARIABLES

#>
#> * `__timestamped_log_format` - format of timestamp. Default value: "%F %T" (full date and time).
__timestamped_log_format="%F %T "


#>>
#>> ## FUNCTIONS

#>>
#>> * `timestamped_log::set_format FORMAT` - Set format for date. Default value is "%F %T".
timestamped_log::set_format() {
  __timestamped_log_format="$1"
}

#>>
#>> ## Wrapped functions:
#>>
#>> `log::info`, `info`, `debug` - print timestamp to stdout and then log message.
meta::wrap \
  'date::print_current_datetime "$__timestamped_log_format"' \
  '' \
  log::info::custom \
  log::debug

#>>
#>> `log::error`, `log::warn`, `error`, `warn` - print timestamp to stderr and then log message.
meta::wrap \
  'date::print_current_datetime "$__timestamped_log_format" >&2' \
  '' \
  log::warn::custom \
  log::error::custom \
  log::fatal::custom

#>>
#>> ## NOTES
#>>
#>> See `log` module usage for details about log functions. Original functions
#>> are available with prefix `"timestamped_log::orig_"`.