# shellcheck shell=bash

show_date() {
	local dotfile selected_adjective adjective classification
	local today day_of_week day_of_month month_name year day_suffix text_color full_date
	local -a adjectives

	dotfile="$HOME/.adjective_of_the_day"
	today=$(date +%F)

	if [[ -f "$dotfile" && $(date -r "$dotfile" +%F) == "$today" ]]; then
		selected_adjective=$(cat "$dotfile")
	else
		adjectives=(
			"beautiful:positive"
			"engaging:positive"
			"majestic:positive"
			"distinguished:positive"
			"venerable:positive"
			"formal:positive"
			"elegant:positive"
			"serene:positive"
			"graceful:positive"
			"regal:positive"
			"noble:positive"
			"miserable:negative"
			"worthless:negative"
			"depressing:negative"
			"soulless:negative"
			"desolate:negative"
			"archaic:negative"
			"grim:negative"
			"dreadful:negative"
			"forlorn:negative"
			"wretched:negative"
			"neutral:neutral"
			"ordinary:neutral"
			"common:neutral"
			"antique:neutral"
			"ceremonial:neutral"
			"timeless:neutral"
			"classic:neutral"
			"historic:neutral"
			"ancient:neutral"
		)

		selected_adjective="${adjectives[$RANDOM % ${#adjectives[@]}]}"
		printf '%s\n' "$selected_adjective" > "$dotfile"
	fi

	IFS=':' read -r adjective classification <<< "$selected_adjective"
	day_of_week=$(date '+%A')
	day_of_month=$(date '+%d')
	month_name=$(date '+%B')
	year=$(date '+%Y')

	case "$day_of_month" in
		1[0-9]) day_suffix="th" ;;
		*1) day_suffix="st" ;;
		*2) day_suffix="nd" ;;
		*3) day_suffix="rd" ;;
		*) day_suffix="th" ;;
	esac

	case "$classification" in
		positive) text_color="$_BRIGHT_GREEN" ;;
		negative) text_color="$_BRIGHT_RED" ;;
		*) text_color="" ;;
	esac

	full_date="Pray, be informed, on this ${text_color}${adjective}${_NC} day,\n${_BLUE}${day_of_week}${_NC} the ${_BLUE}${day_of_month}${day_suffix}${_NC} day of ${_BLUE}${month_name}${_NC}, in the year of our Lord ${_BLUE}${year}${_NC}!"
	printf '%b\n\n' "$full_date"
}

show_date