#!/bin/bash

setup()
{
    if [[ ! -d java ]]
    then
	echo "[FATAL] this tools $0 is intended to be run within laby project. Missing java directory." >&2
	exit 1
    fi
    if [[ ! -d lab ]]
    then
	echo "[INFO] Creating directory lab to save default lab created"
	mkdir lab
    fi
}

do_code()
{
    background=$1
    find java/org/artisanlogiciel/games/ -name "*.java" |
	{
	    s=()
	    while read codeline
	    do
		javafile=$(basename "$codeline")
		javaclass=${javafile/.java/}
		echo "$javafile $javaclass"
		s+=("$javaclass" "$codeline")
	    done
	    javaclass=$($DIALOG --menu "Edit it" 20 100 10 ${s[@]} 3>&1 1>&2 2>&3)
	    if [[ -n $javaclass ]]
	    then
		pushd java
		if [[ $background == codebg ]]
		then
		    nohup make work/$javaclass &
		else
		    make work/$javaclass
		fi
		popd
	    fi
	}
    
}

edit_properties()
{
    local property_file=$1
    if [[ -f $property_file ]]
    then
	modified=0
	s=()
	properties=()
	values=()
	{
	    while read codeline
	    do
		if [[ $codeline =~ (^[a-zA-Z_]*)=(.*) ]]
		then
		    property=${BASH_REMATCH[1]}
		    value=${BASH_REMATCH[2]}
		    s+=("$property" "$value")
		    properties+=("$property")
		    values+=("$value")
		fi
	    done
	    s+=(exit "Exit")
	} < $property_file
	
	while true 
	do
	    property=$($DIALOG --menu "Edit '$property_file'" 20 100 10 ${s[@]} 3>&1 1>&2 2>&3)
	    if [[ $? = 0 ]]
	    then
		if [[ -n $property ]]
		then
		    if [[ $property == exit ]]
		    then
			return 1
		    elif [[ $property == save ]]
		    then
			for  (( i=0; i<${prop_len}; i++ ));
			do
			    echo "${properties[$i]}=${values[$i]}"
			done >$property_file
			return 0
		    fi
		    prop_len="${#properties[@]}"
		    for  (( i=0; i<${prop_len}; i++ ));
		    do
			if [[ ${properties[$i]} == $property ]]
			then
			    init_value=${values[$i]}
			fi
		    done
		    value=$($DIALOG --inputbox "Enter $property value" 10 80 "$init_value" 3>&1 1>&2 2>&3)
		    if [[ $? = 0 ]]
		    then
			prop_len="${#properties[@]}"
			s=()
			if [[ "$value" != "$init_value" ]]
			then
			    modified=$(( modified + 1 ))
			fi
			for  (( i=0; i<${prop_len}; i++ ));
			do
			    if [[ ${properties[$i]} == $property ]]
			    then
				values[$i]=$value
			    fi
			    s+=("${properties[$i]}" "${values[$i]}")
			    echo "${properties[$i]}=${values[$i]}"
			done
			s+=(exit "Exit")
			if [[ $modified != 0 ]]
			then
			    s+=(save "Save")
			fi
		    fi
		fi
	    else
		return 2
	    fi
	done
    else
	echo "[ERROR] property_file '$propertyfile' not found" >&2
    fi

}

possible_console_gui="whiptail dialog"

for DIALOG in $possible_console_gui
do
    DIALOG=$(which $DIALOG)
    if [[ -n $DIALOG ]]
    then
	break
    fi
done

if [[ -z $DIALOG ]]
then
    echo "[ERROR] no console gui support (no dialog tool found within $possible_console_gui)  => no menus " >&2
    exit 1
fi

setup

action=initial

while [[ $action != quit ]]
do
    action=$($DIALOG --menu "Ultra Light IDE" 20 80 12 run "Run it" clean "Clean All" ant "Ant build" test "Test it" readme "Read me" code "Code" codebg "Code in background" deb "Debian package" properties "Edit Properties" create "Create a new class" quit "Quit" 3>&1 1>&2 2>&3)

    if [[ $action == run ]]
    then
	echo "run it"
	java -jar $(make getname)
    elif [[ $action == ant ]]
    then
	make clean
	make
	ant compile
    elif [[ $action == clean ]]
    then
	make clean
        pushd java
	make clean
	popd
    elif [[ $action == test ]]
    then
	echo "test it"
	pushd java
	make display
	popd
    elif [[ $action == deb ]]
    then
	make deb
    elif [[ $action =~ code ]]
    then
	do_code $action
    elif [[ $action == readme ]]
    then
	$DIALOG --textbox README 40 80 --scrolltext
    elif [[ $action == properties ]]
    then
	edit_properties project_params
    elif [[ $action == create ]]
    then
	newclass=$($DIALOG --inputbox "Enter new class name" 10 80 "NewClass" 3>&1 1>&2 2>&3)
	if [[ $? = 0 ]]
	then
	    if [[ -n $newclass ]]
	    then
		pushd java
		make work/$newclass
		popd
	    fi
	fi
    fi
done