#!/usr/bin/env bash

CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

source "$CURRENT_DIR/helpers.sh"

# script global variables
icon_charge_tier8=''
icon_charge_tier7=''
icon_charge_tier6=''
icon_charge_tier5=''
icon_charge_tier4=''
icon_charge_tier3=''
icon_charge_tier2=''
icon_charge_tier1=''

# script default variables
icon_charge_tier8_default='█'
icon_charge_tier7_default='▇'
icon_charge_tier6_default='▆'
icon_charge_tier5_default='▅'
icon_charge_tier4_default='▄'
icon_charge_tier3_default='▃'
icon_charge_tier2_default='▂'
icon_charge_tier1_default='▁'

# icons are set as script global variables
get_icon_charge_settings() {
	icon_charge_tier8=$(get_tmux_option "@batt_icon_charge_tier8" "$icon_charge_tier8_default")
	icon_charge_tier7=$(get_tmux_option "@batt_icon_charge_tier7" "$icon_charge_tier7_default")
	icon_charge_tier6=$(get_tmux_option "@batt_icon_charge_tier6" "$icon_charge_tier6_default")
	icon_charge_tier5=$(get_tmux_option "@batt_icon_charge_tier5" "$icon_charge_tier5_default")
	icon_charge_tier4=$(get_tmux_option "@batt_icon_charge_tier4" "$icon_charge_tier4_default")
	icon_charge_tier3=$(get_tmux_option "@batt_icon_charge_tier3" "$icon_charge_tier3_default")
	icon_charge_tier2=$(get_tmux_option "@batt_icon_charge_tier2" "$icon_charge_tier2_default")
	icon_charge_tier1=$(get_tmux_option "@batt_icon_charge_tier1" "$icon_charge_tier1_default")
}

print_icon_charge() {
	percentage=$($CURRENT_DIR/battery_percentage.sh | sed -e 's/%//')
	if [ $percentage -ge 95 -o "$percentage" == "" ]; then
		# if percentage is empty, assume it's a desktop
		printf "$icon_charge_tier8"
	elif [ $percentage -ge 80 ]; then
		printf "$icon_charge_tier7"
	elif [ $percentage -ge 65 ]; then
		printf "$icon_charge_tier6"
	elif [ $percentage -ge 50 ]; then
		printf "$icon_charge_tier5"
	elif [ $percentage -ge 35 ]; then
		printf "$icon_charge_tier4"
	elif [ $percentage -ge 20 ]; then
		printf "$icon_charge_tier3"
	elif [ $percentage -gt 5 ]; then
		printf "$icon_charge_tier2"
	else
		printf "$icon_charge_tier1"
	fi
}

main() {
	get_icon_charge_settings
	print_icon_charge
}

main