tel-dialer

#!/usr/bin/env bash
# TEL Dialer #
# ---------- # 
# sealyj
# sidd_dino 

version=0.2
# location of the contacts file
contactsfile="$HOME/.tel/data/.contacts";


print_ERR_and_die() {
    # Error printing function
    printf "\e[33;5;1m[!]%s\n\e[m"\
           "$*" 1>&2
    exit 1
}

show_help() {
    printf  "%s\n"\
                "call [OPTIONS] [PATTERN]"\
                "__________________________"\
                "OPTIONS"\
		"  -a 'name' 'number'	Add a new contact"\
		"  -s			Share contacts number"\
		"  -o			Output contacts number"\
                "  -h   		Display this help"\
                "  -u   		Update contact list"
        exit 0
}

update_contacts() {
    # Empty contacts file
    :> "$contactsfile"
    :> ~/.temp
    # move termux-contact-list output to 
    # file descriptor 9
    termux-contact-list > ~/.temp

    # delay for 2 seconds   
    read -rt "2" <> <(:) || :  

    while IFS=$'\n' read -sr line; do
        [[ ${line} == "  {" ]] && {
            read -r line
            name=${line:9:-2}
            read -r line
            number=${line:11:-1}
            echo "$name | $number" >> "$contactsfile"
        }
    done <~/.temp

    rm ~/.temp
}

add_contact(){
	if [ $# -eq 2 ] ; then
		printf  "\e[33;5;2m Dialer\e[m: Adding $2 to contacts \n"
		add_contact_name=$2
		echo 'Contact number:'
		read add_contact_number
	elif [ $# -eq 1 ] ; then
		printf  "\e[33;5;2m Dialer\e[m: Adding a new contact \n"
		echo 'Contact name:'
		read add_contact_name
		echo 'Contact number:'
		read add_contact_number
	else
		add_contact_name=$2
		add_contact_number=$3
	fi
	am start -a android.intent.action.INSERT -t vnd.android.cursor.dir/contact -e name $add_contact_name -e phone $add_contact_number > /dev/null 2>&1
	printf  "\e[33;5;2m Dialer\e[m: Added $add_contact_name to contacts%s\n"
	touch ~/.dialer_flag
	#update_contacts
	exit 0
}


main() {
	request_output="false"
	if [ "$1" == "-h" ] || [ "$1" == "--help" ] ; then
        	show_help 
	elif [ "$1" == "-v" ] || [ "$1" == "--version" ] ; then
		printf "\e[33;5;2m Dialer\e[m: version $version\n"

	elif [ "$1" == "-a" ] || [ "$1" == "--add" ] ; then
		add_contact "$@"
	elif [ "$1" == "-o" ] || [ "$1" == "--output" ] ; then
#		output_contact "$@"
		request_output="true"
		share="false"
		shift
	elif [ "$1" == "-s" ] || [ "$1" == "--share" ] ; then
		request_output="true"
		share="true"
		shift
	fi

    [[ ! -a "$contactsfile" || "$1" == '-u' || -f ~/.dialer_flag ]] && {
	rm -f ~/.dialer_flag
    	printf  "\e[33;5;2m Dialer\e[m: Generating contacts list...\n"
	update_contacts  # if contacts file missing - generate one
        [[ "$1" == '-u' ]] && exit 0
    }
    # fuzzy search in $contactsfile to get the number and
    # name in the format
    # Name | Number
	fzf_output=$(fzf --print-query --color=16 --prompt=" Contact: " --query="$*" --select-1 -0 < "$contactsfile")
    case "$?" in
        	# No contact found
        "1"  )
		if [ "$request_output" == "true" ] ; then
			exit 1
		fi
		IFS=$'\n' read -d '' -r -a selected_contact <<< "$fzf_output"
		if [ ${#selected_contact[@]} -gt 1 ] ; then #no match found assume output is printed number
			unknown_number="${selected_contact[0]}"
			contact="${selected_contact[1]}"
		else
			contact="${selected_contact[0]}"
		fi
		if [ ${#selected_contact[@]} -gt 0 ] ; then #no match found assume output is printed number
		unknown_number=${selected_contact[0]}
			if [ ${#unknown_number} -gt 2 ] ; then
				#fail to get matching contact trying calling number
				printf  "\e[33;5;2m Calling:\e[m %s\n"\
				"[${unknown_number}]"
				termux-telephony-call "${unknown_number}"
			fi
		fi
		exit 1
        ;;

        # If Ctrl+C is used 
        "130")
            exit 1
        ;;
esac
	IFS=$'\n' read -d '' -r -a selected_contact <<< "$fzf_output"
	if [ ${#selected_contact[@]} -gt 1 ] ; then #no match found assume output is printed number
		unknown_number="${selected_contact[0]}"
		contact="${selected_contact[1]}"
	else
		contact="${selected_contact[0]}"
	fi

    # get the contact's name
    contact_name=$(echo "${contact}" | cut -d "|" -f1) 
    # get the contact's number
    contact_number=$(echo "${contact}" | cut -d "|" -f2 | tr -d '[:space:]')
    #kills the program if termux-telephony-call command is not available
    ( command -v termux-telephony-call >/dev/null 2>&1 ) || { 
        print_ERR_and_die "termux-telephony-call not found, have you installed termux-api?"
    }
    if [ "$request_output" == "true" ] ; then
	    echo "$contact_number"
    elif [ "$share" == "true" ] ; then
	    am start -a android.intent.action.SEND -t text/plain -e android.intent.extra.TEXT "$contact_number" > /dev/null 2>&1

    else
	    printf "\e[33;5;2m Calling:\e[m %s\n"\
	    "$contact_name[$contact_number]"

	termux-telephony-call "$contact_number"
    fi
}

main "$@"