#!/bin/bash

# Daemon to monitor mutagen status

# If already running, kill before starting again
if [ -f ~/docker-daemon-mutagen.pid ]; then
    kill -9 `cat ~/docker-daemon-mutagen.pid` > /dev/null 2>&1
    rm ~/docker-daemon-mutagen.pid
fi

# Save PID in file
echo $$ > ~/docker-daemon-mutagen.pid

# Output status to notify that the daemon has launched
terminal-notifier -sound default \
				  -title 'Mutagen - Docker' \
				  -message "Monitoring daemon started" \
				  -sound ding

# Function to detect conflict status
function is_mutagen_conflict_status() {

	output=`mutagen list`

	if (echo $output | grep -q "Conflicts"); then
		echo 'yes'
	elif (echo $output | grep -q "Error"); then
		echo 'yes'
	elif (echo $output | grep -q "Problem"); then
		echo 'yes'
	else
		echo 'no'
	fi

}

is_conflict=false
fail_count=0

# Continuously loop to detect conflicts and output messages on changing status
while :
do
	conflictstatus=$(is_mutagen_conflict_status)

	if [[ $is_conflict = false ]] && [[ $conflictstatus = 'yes' ]]; then

		fail_count=$((fail_count + 1))

		if (( $fail_count > 2 )); then

			terminal-notifier -sound default \
							  -title 'Mutagen - Docker' \
							  -subtitle "❌ Conflict detected!" \
							  -message "Run \`mutagen list\` to troubleshoot" \
							  -sound basso

			is_conflict=true

		fi

	fi

	if [[ $is_conflict = true ]] && [[ $conflictstatus = 'no' ]]; then
		terminal-notifier -sound default \
						  -title 'Mutagen - Docker' \
						  -message "✅ Conflict resolved!" \
						  -sound ding

		is_conflict=false

		fail_count=0
	fi

	# Wait before checking again
	sleep 10

done