#! /bin/bash

#this is to switch ncmpcpp 

#Declarations
hoststring0="PASS@HOST #2 (or just HOST if no password set)"
hoststring1="PASS@HOST #2 (or just HOST if no password set)"
current=""
pid=""

 function getInfo() {
	#mpdinfo=$(mpc --host "$hoststring"  )
	playingstring=$(echo "$mpdinfo" | head -1 | awk -F '[' '{print $1}' | fold -sw 58 | head -1 ) 
	percent=$(echo "$mpdinfo" | tail -2 | head -1 | awk '{print $4}')
    printf "%s: %s" "$playingstring" "$percent"
}

function isplaying() {
    mpdinfo=$(mpc --host "$hoststring" | sed -e 's/[/()&]//g')
    progress=$(echo "$mpdinfo" | tail -2 | head -1 | awk '{print $1" "$3 $4}')
    check=$(echo "$progress" | grep -c '\[')
}

function main() {
    
    #note to self you could check for the entire name of the process too and 
    # whether or not it has the specified host
while true; do
    
    hoststring=${hoststring1} #check remote
    isplaying
    if [ $check != 0 ];then     #remote is playing
        if [ "$current" != "$hoststring" ];then  # only do if we aren't currently on that host
            current=${hoststring}
            if [ ! -z $pid ];then
                kill -9 "$pid" &> /dev/null
            fi
            eval ncmpcpp --host "$hoststring"  
            pid=$(echo $!)
            current=${hoststring}
            continue
        fi
    fi
    hoststring=${hoststring0} #check local
    if [[ -z "$NotFirst" ]];then
        NotFirst="We've run once"
        check=1
        echo "FA"
                current="First Time!"
        echo "$check $hoststring"

    fi
    if [ $check != 0 ];then     #local is playing
        if [ "$current" != "$hoststring" ];then  # only do if we aren't currently on that host
            current=${hoststring}            
            if [ ! -z $pid ];then
                kill -9 "$pid" &> /dev/null
            fi
            eval ncmpcpp --host "$hoststring"  
            pid=$(echo $!)
            continue
        fi
    fi
    
    

    echo "If you are seeing this, neither MPD instance is running. Ctrl-C to exit or start one to resume!"
    mpc --host "$hoststring" idle &> /dev/null  
done

}


current=${hoststring0}  #starting it locally so the idle loop has a place to go
main