#!/bin/bash
#GUI for the talking-clock program
#Written by Storm Dragon
#Tuesday, August 28, 2012
#license GPL

chime_settings()
{
    #get how often the clock should chime.
    chimeInterval=$(yad --form --field="Chime:cb" --separator="" --title="Talking Clock" --text="Please select how often you would like talking-clock to chime:" 'Disable!Hourly!Every Half Hour!Every Quarter Hour')
    case "$chimeInterval" in
    'Disable')
        chimeInterval=0
    ;;
    'Hourly')
        chimeInterval=1
    ;;
    'Every Half Hour')
        chimeInterval=2
    ;;
    'Every Quarter Hour')
        chimeInterval=4
    ;;
    esac
    #if [[ $chimeInterval -ge 1 && $chimeInterval -le 4 ]] ; then
        echo "talking-clock --cron $chimeInterval"
    #fi
}

read_settings()
{
    #Initialize variables to defaults before reading existing settings if any
    chime="true"
    speak="true"
    voice=espeak
    if [ -e "$confFile" ] ; then
        if [ -w "$confFile" ] ; then
            bell="$(grep -i 'bell=' "$confFile" | cut -d = -f 2)"
            prepend="$(grep -i 'prepend=' "$confFile" | cut -d = -f 2)"
            quarter="$(grep -i 'quarter=' "$confFile" | cut -d = -f 2)"
            sound="$(grep -i 'sound=' "$confFile" | cut -d = -f 2)"
            soundpack="$(grep -i 'soundpack=' "$confFile" | cut -d = -f 2)"
            voice="$(grep -i 'voice=' "$confFile" | cut -d = -f 2)"
            zipcode="$(grep -i 'zipcode=' "$confFile" | cut -d = -f 2)"
        else
            yad --error --title="Talking Clock" --text="There was an error reading the settings file. Exiting."
            exit 1
        fi
    fi
}

sound_settings()
{
    #Initialize soundMenu variable
    soundMenu=0
    while [ $soundMenu -ne 7 ] ; do
        #Set soundMenu variable e so it will exit properly if nothing is chosen.
        soundMenu=7
        #get current setting of speak and chime options to make menu display correctly.
        if [ "$chime" == "true" ] ; then
            chimeSetting="Disable"
        else
            chimeSetting="Enable"
        fi
        if [ "$speak" == "true" ] ; then
            speakSetting="Disable"
        else
            speakSetting="Enable"
        fi
        #Generate the menu for all sound options
        yad --title="Talking Clock Sound Settings" --text="select an option:" --button="$chimeSetting _Chimes:1" --button="$speakSetting _Speech:2" --button="_Bell:3" --button="_Quarter Hour:4" --button="_Prepend:5" --button="_Soundpack:6" --button="_Main Menu:7"
        soundMenu=$?
        #adjust sounds preferences based on the above menu option.
        case $soundMenu in
        1)
            if [ "$chime" == "true" ] ; then
                chime="false"
            else
                chime="true"
            fi
        ;;
        2)
            if [ -n "$zipcode" ] ; then
                yad --error --title="Talking Clock" --text="You must clear the postal code before disabling speech. To do so, select weather from the main menu, and leave the postal code field blank."
            fi
            if [ "$speak" == "true" -a -z "$zipcode" ] ; then
                speak="false"
            else
                speak="true"
            fi
        ;;
        3)
            bell="$(yad --file-selection --title="Select An Hourly chime sound" --file-filter="*.ogg")"
            if [ -n "$bell" ] ; then
                soundpack=""
            fi
        ;;
        4)
            quarter="$(yad --file-selection --title="Select A Quarter Hour chime sound" --file-filter="*.ogg")"
            if [ -n "$quarter" ] ; then
                soundpack=""
            fi
        ;;
        5)
            prepend="$(yad --file-selection --title="Select a sound to play before each chime" --file-filter="*.ogg")"
        ;;
        6)
            soundpack="$(yad --file-selection --title="Select the directory that contains the soundpack" --directory)"
            if [ -n "$soundpack" ] ; then
                bell=""
                quarter=""
            fi
        ;;
        esac
    done
}

voice_settings()
{
    voice="$(yad --form --separator="" --field="voice:cb" --title="Talking Clock" --text="Please select a voice for Talking Clock to use:" 'cepstral!espeak!festival!pico!custom')"
    echo "$voice"
    if [ "$voice" == "custom" ] ; then
        voice="$(yad --entry --title="Talking Clock" --text="Please enter custom voice command:")"
    fi
}

weather_settings()
{
    zipcode="$(yad --entry --title="Talking Clock Weather Settings" --text="Please enter your postal code:")"
    if [ -n "$zipcode" ] ; then
        speak="true"
    fi
}

write_settings()
{
    #Make sure the file either doesn't exist, or we have write permissions
    if [ ! -e "$confFile" -o -r "$confFile" ] ; then
        echo -e "chime=$chime\nspeak=$speak" > $confFile
        if [ -n "$bell" ] ; then
            echo "bell=$bell" >> $confFile
        fi
        if [ -n "$prepend" ] ; then
            echo -e "prepend=$prepend" >> $confFile
        fi
        if [ -n "$quarter" ] ; then
            echo -e "quarter=$quarter" >> $confFile
        fi
        if [ -n "$sound" ] ; then
            echo -e "sound=$sound" >> $confFile
        fi
        if [ -n "$soundpack" ] ; then
            echo -e "soundpack=$soundpack" >> $confFile
        fi
        if [ -n "$voice" ] ; then
            echo -e "voice=$voice" >> $confFile
        fi
        if [ -n "$zipcode" ] ; then
            echo -e "zipcode=$zipcode" >> $confFile
        fi
    fi
}

#Main section loop
#find out if changes are system wide, or fo local user.
if [ "$(whoami)" == "root" ] ; then
confFile="/etc/talking-clockrc"
else
confFile="$HOME/.talking-clockrc"
fi
#initialize settings
read_settings
#initialize menu variable
menu=0
while [ $menu -lt 5 ] ; do
#Set menu to exit code incase the window is closed without an option being selected
menu=5
yad --title="Talking Clock" --text="Select an option:" --button="_Chime Settings:1" --button="_Sounds and Soundpacks:2" --button="_Voice:3" --button="_Weather:4" --button="Cance_l:5" --button="S_ave Settings:6"
menu=$?
case "$menu" in
    1)
        chime_settings
    ;;
    2)
        sound_settings
    ;;
    3)
        voice_settings
    ;;
    4)
        weather_settings
    ;;
    6)
        write_settings
    ;;
    *)
        exit 0
esac
done