#!/usr/bin/env bash

set -e
set -o nounset
set -o pipefail

SCRIPTS=${SCRIPTS:-$HOME/.local/scripts}
THIS_FILE=${BASH_SOURCE[0]}
LOG_LABEL=$(basename "$THIS_FILE")
THIS=${THIS:-$LOG_LABEL}
LOG_FILE=${LOG_FILE:-"$LOG_LABEL.log"}
LOG_DIR="/tmp/logs"

usage() {
	cat <<EOF

Utility for logging backup runs.

USAGE:
	$ $THIS <flags> <msg...>

FLAGS:
	-h | --help:					Show this help page.
	-s | --show:					Show the log messages.
	--rm:									Remove the log file

EOF
}

# Logging utility function, use in place of echo.
log() {
	logging log --source "$THIS_FILE" "$@"
}

show() {
	[[ ! -f "$LOG_DIR/$LOG_FILE" ]] &&
		log --warning "Empty log file." &&
		exit 0

	bat "$LOG_DIR/$LOG_FILE"
}

################################################################################
# MAIN
################################################################################

declare -a msg

# Setup logging file and label.
source "$SCRIPTS/hypr/logging"
setup-logging "$LOG_FILE" "$LOG_LABEL"

while [[ $# -gt 0 ]]; do
	if [[ $1 == "-h" ]] || [[ $1 == "--help" ]]; then
		usage && exit 0
	elif [[ $1 == "-s" ]] || [[ $1 == "--show" ]]; then
		show && exit 0
	elif [[ $1 == "--rm" ]]; then
		rm "$LOG_DIR/$LOG_FILE" && exit 0
	else
		msg+=("$1")
	fi
	shift
done

[[ -z "${msg[*]}" ]] && log --error "No message passed to log." && exit 1

log "${msg[@]}"