# Print a message to stderr and exit
# usage: ynh_die MSG [RETCODE]
ynh_die() {
  echo "$1" 1>&2
  exit "${2:-1}"
}

# Display a message in the 'INFO' logging category
#
# usage: ynh_print_info "Some message"
ynh_print_info() {
    echo "$1" >> "$YNH_STDINFO"
}

# Ignore the yunohost-cli log to prevent errors with conditional commands
#
# [internal]
#
# usage: ynh_no_log COMMAND
#
# Simply duplicate the log, execute the yunohost command and replace the log without the result of this command
# It's a very badly hack...
ynh_no_log() {
  local ynh_cli_log=/var/log/yunohost/yunohost-cli.log
  sudo cp -a ${ynh_cli_log} ${ynh_cli_log}-move
  eval $@
  local exit_code=$?
  sudo mv ${ynh_cli_log}-move ${ynh_cli_log}
  return $?
}

# Main printer, just in case in the future we have to change anything about that.
#
# [internal]
#
ynh_print_log () {
  echo -e "${1}"
}

# Print a warning on stderr
#
# usage: ynh_print_warn "Text to print"
# | arg: text - The text to print
ynh_print_warn () {
  ynh_print_log "\e[93m\e[1m[WARN]\e[0m ${1}" >&2
}

# Print an error on stderr
#
# usage: ynh_print_err "Text to print"
# | arg: text - The text to print
ynh_print_err () {
  ynh_print_log "\e[91m\e[1m[ERR]\e[0m ${1}" >&2
}

# Execute a command and print the result as an error
#
# usage: ynh_exec_err command to execute
# usage: ynh_exec_err "command to execute | following command"
# In case of use of pipes, you have to use double quotes. Otherwise, this helper will be executed with the first command, then be sent to the next pipe.
#
# | arg: command - command to execute
ynh_exec_err () {
	ynh_print_err "$(eval $@)"
}

# Execute a command and print the result as a warning
#
# usage: ynh_exec_warn command to execute
# usage: ynh_exec_warn "command to execute | following command"
# In case of use of pipes, you have to use double quotes. Otherwise, this helper will be executed with the first command, then be sent to the next pipe.
#
# | arg: command - command to execute
ynh_exec_warn () {
	ynh_print_warn "$(eval $@)"
}

# Execute a command and force the result to be printed on stdout
#
# usage: ynh_exec_warn_less command to execute
# usage: ynh_exec_warn_less "command to execute | following command"
# In case of use of pipes, you have to use double quotes. Otherwise, this helper will be executed with the first command, then be sent to the next pipe.
#
# | arg: command - command to execute
ynh_exec_warn_less () {
	eval $@ 2>&1
}

# Execute a command and redirect stdout in /dev/null
#
# usage: ynh_exec_quiet command to execute
# usage: ynh_exec_quiet "command to execute | following command"
# In case of use of pipes, you have to use double quotes. Otherwise, this helper will be executed with the first command, then be sent to the next pipe.
#
# | arg: command - command to execute
ynh_exec_quiet () {
	eval $@ > /dev/null
}

# Execute a command and redirect stdout and stderr in /dev/null
#
# usage: ynh_exec_fully_quiet command to execute
# usage: ynh_exec_fully_quiet "command to execute | following command"
# In case of use of pipes, you have to use double quotes. Otherwise, this helper will be executed with the first command, then be sent to the next pipe.
#
# | arg: command - command to execute
ynh_exec_fully_quiet () {
	eval $@ > /dev/null 2>&1
}

# Remove any logs for all the following commands.
#
# usage: ynh_print_OFF
# WARNING: You should be careful with this helper, and never forget to use ynh_print_ON as soon as possible to restore the logging.
ynh_print_OFF () {
	set +x
}

# Restore the logging after ynh_print_OFF
#
# usage: ynh_print_ON
ynh_print_ON () {
	set -x
	# Print an echo only for the log, to be able to know that ynh_print_ON has been called.
	echo ynh_print_ON > /dev/null
}