tojam/tojam

#!/usr/bin/env bash


# Dialog accessibility
export DIALOGOPTS='--no-lines --visit-items'


# Functions

help() {
    echo "${0##*/}"
    echo -e "Released under the terms of the WTFPL License: http://www.wtfpl.net\n"
    echo -e "Usage:\n"
    echo "With no arguments, open recent servers list."
    for i in "${!command[@]}" ; do
        echo "-${i/:/ <parameter>}: ${command[${i}]}"
    done | sort
    exit 0
}
 

# Array of command line arguments
declare -A command=(
    [c]="Configure ${0##*/}."
    [D]="Delete a server."
    [h]="This help screen."
    [T]="Dedication."
)
                                                                                                                                                                          

add_server() {
    # Have to validate the form
    local errorMessage
    local valid="false"
    while [[ "${valid}" != "true" ]]; do
        valid="true"
        serverInfo="$(dialog --backtitle "Tojam" --title "Add Server" \
            --form "\nEnter Server Information:\n\nUse up and down to move between fields, enter to accept, or escape to cancel." 25 60 16 \
            "Server Name:" 1 1 "" 1 25 25 50 \
            "Server Address:" 2 1 "" 2 25 25 50 \
            "Server Port:" 4 1 "2049" 4 25 6 6 --stdout)"
        mapfile -t serverInfo < <(echo "${serverInfo//^$/}")
        if [[ "${#serverInfo[0]}" -le 1 ]]; then
            errorMessage+="Server name was missing.\n"
            valid="false"
        fi
        if [[ "${#serverInfo[1]}" -le 1 ]]; then
            errorMessage+="Server address was missing.\n"
            valid="false"
        fi
        if ! [[ "${serverInfo[2]}" =~ ^[1-9][0-9]*$ ]]; then
            errorMessage+="Port must be numeric.\n"
            valid="false"
        fi
        for i in "${!servers[@]}" ; do
            if [[ "$i" == "${serverInfo[0]}" ]]; then
                errorMessage+="Server name \"$i\" is already in use.\n"
                valid="false"
            fi
            if [[ "${servers[${i}]}" == "${serverInfo[1]}" ]]; then
                errorMessage+="Server address \"$i\" is already added.\n"
                valid="false"
            fi
        done
        if [[ "${valid}" == "false" ]]; then
            dialog --msgbox "${errorMessage}" -1 -1
            errorMessage=""
        fi
    done
    echo "[${serverInfo[0]}]=\"${serverInfo[1]}:${serverInfo[2]}\"" >> "${config}/servers.conf" || exit 2
    dialog --msgbox "Server \"${serverInfo[0]}\" added. Please relaunch ${0##*/} to use the updated server list." -1 -1
    exit 0
}


delete_server() {
    # Get servers into an array.
    mapfile -t lines < "${config}/servers.conf"
    for i in "${lines[@]}" ; do
        j="${i#\[}"
        j="${j/\]=\"/: }"
        j="${j%\"}"
        menuList+=("$i" "${j}")
    done
    server="$(dialog --clear \
        --backtitle "Tojam" \
        --no-tags \
        --ok-label "Delete" \
        --menu "Select a Ninjam server to be deleted" -1 -1 -1 "${menuList[@]}" --stdout)"
    menuCode=$?
    if [ ${menuCode} -eq 1 -o ${menuCode} -eq 255 ]; then
        exit 0
    fi
    tmpFile="$(mktemp -t XXXXXX)"
    grep -vF "$server" "${config}/servers.conf" > "${tmpFile}" || exit 3
    mv "${tmpFile}" "${config}/servers.conf" || exit 4
    dialog --msgbox "Server deleted." -1 -1
    exit 0
}


configure_ninjam() {
    local menuCode=0
    while [[ $menuCode -ne 1 ]]; do
        settings=(
            "anonymous" "Login in anonymously: ($anonymous)"
            "save source files" "Save Source Files: (${saveSourceFiles/-nosavesourcefiles/false recommended})"
            "sound driver" "Sound Driver: (${soundDriver%% *})"
            "username" "Set User Name: (${userName#*anonymous:})"
        )
        setting="$(dialog --backtitle "Tojam" \
            --no-tags \
            --menu "Select a setting" -1 -1 -1 "${settings[@]}" --stdout)"
        menuCode=$?
        if [ ${menuCode} -eq 1 -o ${menuCode} -eq 255 ]; then
            exit 0
        fi
        case "${setting}" in
            "sound driver")
                soundDriver="$(dialog --yes-label "alsa" \
                    --no-label "jack" \
                    --yesno "Select a sound driver" -1 -1 --stdout)"
                soundDriver=$?
                [[ $? -eq 255 ]] && continue
                soundDriver="${soundDriver/0/alsa}"
                soundDriver="${soundDriver/1/jack}"
                if [[ "${soundDriver}" == "jack" ]]; then
                    sed -i 's/^soundDriver=.*/soundDriver="jack"/' "${config}/config" &&
                        dialog --msgbox "Sound driver set to jack." -1 -1
                    continue
                fi
            ;;
            "username")
                userName="$(dialog --backtitle "Tojam" \
                    --inputbox "Enter User Name (letters, numbers, dash, and underscore accepted):" -1 -1 "${userName#*anonymous:}" --stdout)"
                menuCode=$?
                [[ ${menuCode} -ne 0 ]] && continue
                [[ "${anonymous}" == "true" ]] && userName="anonymous:${userName}"
                sed -i "s/^userName=.*/userName='${userName}'/" "${config}/config" &&
                    dialog  --msgbox "Username set to \"${userName#*anonymous:}\"." -1 -1
            ;;
        esac
    done
    exit 0
}


# Configuration stuff
config="${XDG_CONFIG_HOME:-${HOME}/.config}/tojam"
sessiondir="${HOME}/tojam-sessions"
mkdir -p "${config}"

if ! [[ -r "${config}/config" ]]; then
    # Write initial config file
    { echo 'anonymous="true"';
    echo 'saveSourceFiles="false"';
    echo 'soundDriver="jack"';
    echo "userName='Tojam$(date '+%S')'"; } >> "${config}/config"
fi
source "${config}/config"

# Fix up username if anonymous is true
if [[ "${anonymous}" == "true" ]]; then
    userName="anonymous:${userName}"
fi
# Fix up the source files setting
if [[ "${saveSourceFiles}" == "false" ]]; then
    saveSourceFiles="-nosavesourcefiles"
else
    saveSourceFiles=" "
fi


# Convert the keys of the associative array to a format usable by getopts
args="${!command[*]}"
args="${args//[[:space:]]/}"
while getopts "${args}" i ; do
    case "$i" in
        c) echo "Coming soon" ;;
        D) delete_server ;;
        h) help ;;
        T)
        echo "For Tony, because he's awesome!"
        exit 0
    ;;
    esac
done


declare -A servers=(
    [Ninjamer 1]="ninjamer.com"
    [Ninjamer 2]="ninjamer.com:2050"
    [Ninjamer 3]="ninjamer.com:2051"
    [Ninjamer 4]="ninjamer.com:2052"
)
if [[ -r "${config}/servers.conf" ]]; then
    while IFS="=" read -r key value; do
        if [[ "$key" =~ ^\[.*\]$ && "$value" =~ ^\".*\"$ ]]; then
            key="${key#[}"
            key="${key%]}"
            value="${value#\"}"
            value="${value%\"}"
            servers["$key"]="$value"
        else
            echo "Error: invalid format in ${config}/servers.conf" >&2
            exit 1
        fi
    done < <(sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' "${config}/servers.conf")
fi

# Server menu
declare -a menuList
for i in "${!servers[@]}" ; do
    menuList+=("${servers[$i]}" "${i}")
done
                                                                                                                                                                          
server="$(dialog --clear \
    --backtitle "Tojam" \
    --no-tags \
    --extra-button \
    --extra-label "Add Server" \
    --ok-label "Connect" \
    --cancel-label "Exit" \
    --help-button \
    --help-label "Settings" \
    --menu "Select a Ninjam server" -1 -1 -1 "${menuList[@]}" --stdout)"
menuCode=$?
case ${menuCode} in
    1|255) exit 0;;
    2) configure_ninjam;;
    3) add_server;;
esac

ninjam="$(command -v cninjam 2> /dev/null)"
[[ ${#ninjam} -le 3 ]] && { echo "Could not find cninjam."; exit 1; }
$ninjam "${server}" -user "${userName}" -${soundDriver} -sessiondir "${sessiondir}" ${saveSourceFiles}