#!/bin/bash

#Checklist generator script
#14OCT2022 KM4ACK
#07MAY2024 KM4ACK
#V2.1
    #eliminate weights on individual item
#V2.0 
    #add weight calculation
    #update help

MYPATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
LISTS=$HOME/.config/checklists
VERSION=2.1
LOGO=/usr/share/icons/HighContrast/48x48/stock/gtk-apply.png

export MYPATH
export LISTS
export VERSION
export LOGO

#initial setup
mkdir -p $LISTS
if [ ! -f ${LISTS}/category ]; then
	touch ${LISTS}/category
	echo "RADIOS" > ${LISTS}/category
	echo "BATTERIES" >> ${LISTS}/category
	echo "HF_ANTENNAS" >> ${LISTS}/category
fi

###################################
#	INSTALL
###################################
if [ "$1" = 'install' ]; then
	echo "checking dependencies"
		if ! hash yad 2>/dev/null; then
			echo "YAD not installed but required. Installing now..."
			sudo apt update
			sudo apt install -y yad
		fi

		if ! hash pandoc 2>/dev/null; then
			echo "pandoc not installed but required. Installing now..."
			sudo apt update
			sudo apt install -y pandoc
		fi
	echo "moving file to correct location"
	chmod +x ${MYPATH}/checklist-generator
	sudo mv ${MYPATH}/checklist-generator /usr/local/bin/
	echo "installing menu shortcut"
	cat <<EOF > /run/user/$UID/checklist.desktop
[Desktop Entry]
Name=Checklist Generator
GenericName=Checklist Generator
Comment=Checklist Generator
Exec=/usr/local/bin/checklist-generator
Terminal=false
Icon=/usr/share/icons/HighContrast/48x48/stock/gtk-apply.png
Type=Application
Categories=Utility
EOF
	sudo mv /run/user/$UID/checklist.desktop /usr/local/share/applications/
	echo "Install complete. Use the menu item to start the checklist generator"
	exit
fi

###################################
#	MAIN MENU
###################################
MAIN(){
	yad --form --width=420 --text-align=center --center --title="Checklist Generator" --text-align=center \
	--image $LOGO --window-icon=$LOGO --image-on-top --separator="|" --item-separator="|" --no-buttons \
	--text="<b>Checklist Generator</b> by KM4ACK v$VERSION" \
	--field="Create a Checklist":fbtn 'bash -c "kill -USR1 $YAD_PID; CREATE"' \
	--field="Edit Categories":fbtn 'bash -c "kill -USR1 $YAD_PID; CATEGORY"' \
	--field="Edit List Items":fbtn 'bash -c "kill -USR1 $YAD_PID; EDIT_LIST"' \
	--field="Export Config Files":fbtn 'bash -c "kill -USR1 $YAD_PID; EXPORT_CONFIG"' \
	--field="Import Config Files":fbtn 'bash -c "kill -USR1 $YAD_PID; IMPORT_CONFIG"' \
	--field="Help":fbtn 'bash -c "kill -USR1 $YAD_PID; HELP"' \
	--field="Quit":fbtn 'bash -c "kill -USR1 $YAD_PID"'
}
export -f MAIN

EDITOR(){
	#list name passed from other function(s)
	file=$(cat ${LIST_NAME})

	LIST=$(yad --form --width=420 --height=500 --text-align=center --center --title="Check List Generator" \
	--image ${LOGO} --window-icon=${LOGO} --image-on-top --separator="|" --item-separator="|" \
	--text="<b>Checklist Generator</b>by KM4ACK v$VERSION" --text="Put each item on a seperate line" \
	--field="Items":TXT "$file")
	
	if [ $? = 1 ]; then
		MAIN &
		exit
	fi

	LIST=$(echo $LIST | awk -F "|" '{print $1}')
	echo -e $LIST > ${LIST_NAME}
	MAIN &
	exit
}
export -f EDITOR

###################################
#	Create List
###################################
CREATE(){
	#need to get name for list from user
		LIST_NAME=$(yad --form --width=420 --text-align=center --center --title="Check" \
			--image ${LOGO} --window-icon=${LOGO} --image-on-top --separator="|" --item-separator="|" \
			--text="<b>Checklist Generator</b>by KM4ACK v$VERSION" \
			--field="Name this List*" \
			--field="<b>* Required</b>":LBL \
			--button="Cancel":1 \
			--button="Continue":2)
		BUT=$?
		if [ ${BUT} = 252 ]; then
		exit
		elif [ ${BUT} = 1 ]; then
		MAIN &
		exit
		fi
	LIST_NAME=$(echo $LIST_NAME | awk -F "|" '{print $1}' | sed 's/ /-/g')
	LIST_NAME=$HOME/Desktop/${LIST_NAME}-Checklist.txt


	#add blank line to category file. This is needed so the last line with text 
	#is read correctly.
	echo "" >> ${LISTS}/category

	#read category file and create lists
	while read -r line; do

		#exit loop if line is blank
		if [ -z $line ]; then
			break
		fi

		LIST=$LISTS/${line}.txt
		TEMP_LIST=/run/user/$UID/${line}.txt
		touch $LIST $TEMP_LIST

		#remove spaces from names and replace with "-"
		sed -i 's/ /-/g' $LIST

		INFO=$(PARSER='OFS="\n" {print $1}'
		tail -50 $LIST | awk "$PARSER" | \
		yad --title="$line" --width=300 --height=500 \
		    --image $LOGO --window-icon=$LOGO --image-on-top --multiple \
		    --center --list --text="<b>$line</b>\rChoose items to add to list\rctrl+click for multiple items" \
		    --column Item \
		    --button="Cancel":1 \
		    --button="Continue":2 > $TEMP_LIST)
		BUT=$?
		if [ $BUT = 252 ]; then
			exit
		elif [ $BUT = 1 ]; then
			MAIN &
			exit
		fi
		sed -i 's/|//g' $TEMP_LIST

	done <${LISTS}/category

touch $LIST_NAME
OUTPUT

}
export -f CREATE

###################################
#	Edit Lists
###################################
EDIT_LIST(){

	while read -r line; do
		touch ${LISTS}/${line}.txt
	done <${LISTS}/category

	sed -i 's/ /-/' ${LISTS}/category

	MY_LIST=$(cat ${LISTS}/category)
	echo $MY_LIST > /run/user/$UID/templist
	sed -i 's/ /,/g' /run/user/$UID/templist
	MY_LISTS=$(cat /run/user/$UID/templist)

	LIST_TO_EDIT=$(yad --center --wrap --width=350 --title="List Editor" --text-align=center \
	--text="<b>Checklist Generator</b>by KM4ACK\rList Editor" \
	--image $LOGO --window-icon=$LOGO --image-on-top \
	--button="Edit List:2" \
	--button="Return to Main Menu:1" \
	--form --separator="," --item-separator="," \
	--field="Choose list to edit":CB $MY_LISTS \
	)
	BUT=$?

	if [ $BUT = 252 ]; then
		exit
		elif [ $BUT = 1 ]; then
		MAIN &
		exit
	fi

	LIST_TO_EDIT=$(echo $LIST_TO_EDIT | sed 's/,//')
	LIST_TO_EDIT=${LISTS}/${LIST_TO_EDIT}.txt
	LIST_NAME=${LIST_TO_EDIT}

	EDITOR
	EDIT_LIST
}
export -f EDIT_LIST

###################################
#	Edit Category
###################################
CATEGORY(){
	LIST_NAME=${LISTS}/category
	EDITOR
	MAIN &
	exit
}
export -f CATEGORY

###################################
#	OUTPUT
###################################
OUTPUT(){
	TEMP_DIR=/run/user/$UID

	PRETTY_NAME=$(echo $LIST_NAME | awk -F "/" '{print $NF}' | sed 's/.txt//;s/-Checklist//')
	echo -e "#${PRETTY_NAME}#\r" > $LIST_NAME
	echo "Created `date`" >> $LIST_NAME

	while read -r line; do
		if [ -f ${TEMP_DIR}/${line}.txt ]; then
			CHECK=$(cat ${TEMP_DIR}/${line}.txt)
			if [ -z "$CHECK" ]; then
				rm ${TEMP_DIR}/${line}.txt
			else
				sed -i 's/^/- [ ]/' ${TEMP_DIR}/${line}.txt
				echo "" >> $LIST_NAME
				echo "###${line}###" >> $LIST_NAME
				#echo "" >> $LIST_NAME
				cat ${TEMP_DIR}/${line}.txt | awk -F "," '{print $1}' >> $LIST_NAME
			fi
        #the following loop added in version 2 to calculate weight of equipement
        while read line; do
	        var=$(echo $line | awk -F "," '{print $2}')
	        weights+=($var)
        done < ${TEMP_DIR}/${line}.txt

		 fi
	done <${LISTS}/category

#added in version 2 to calculate weights. Also see nested loop above
#add weights
for i in ${weights[@]}; do
    ounces=$[$ounces+$i]
done

#output if we have data
if [ -n ""${ounces}"" ]; then
	if [ ${ounces} -gt 0 ]; then
        echo "" >> $LIST_NAME
        echo "####Equipment Weight####" >> $LIST_NAME
		echo "Ounces = $ounces" >> $LIST_NAME
		pounds=$(echo ${ounces}/16 | bc -l | cut -b1-4)
		echo "Pounds = $pounds" >> $LIST_NAME
	fi
fi
#End Weight calculation

	#create html file from markdown text
	#both files output to desktop
	/usr/bin/pandoc -s -f markdown_mmd  $LIST_NAME -o ${LIST_NAME}.html

	#give user feedback
	yad --height=200 --width=300 --text-align=center --center --title="Checklist Generator" \
	--image ${LOGO} --window-icon=${LOGO} --image-on-top \
	--text="<b>List Created</b>\r\rThe list $LIST_NAME has been created and can be found \
	on your desktop" \
	--button=gtk-ok
	MAIN &
	exit
}
export -f OUTPUT

###################################
#	HELP
###################################
HELP(){
	cat <<EOF > /run/user/$UID/checklist-help.txt
If this is the first time you have run the app, click
on "Edit Categories" Add each category (ie. Radios,
Batteries, Antennas) to a new line. Once you have 
your categories entered, save and close the text file. 

Next click on "Edit List Items" You  will now see 
the categories you just created in the drop down list. 
Edit each category adding items as needed toeach list. 
Repeat the process for each category.

After both of these steps are complete, click "Create
a Checklist" to generate your first checklist. Completed
checklists will appear on your desktop as a text file.

Import/Export
Once you have your categories and lists made, you may 
want to move this to another computer. This is possible
by exporting your current config files and then
importing the config file on the new machine. The export
feature is also a handy way to backup your config files
for the Checklist Generator.

Equipement Weight
If you wish to calculate the weight of equipment, put the
weight on the line after the equipment name seperated with 
a comma. Example:
Icom-705,15
Note: Equipment weight should be noted in ounces. Total ounces
and pound calculation will be put at the bottom of the checklist.
EOF

	INTRO=$(yad --width=600 --height=250 --text-align=center --center --title="Checklist Generator" --show-uri \
		--image ${LOGO} --window-icon=${LOGO} --image-on-top --separator="|" --item-separator="|" \
		--text="<b>Checklist Generator</b> by KM4ACK v$VERSION" \
		--text-info \
		--button="Continue":2 </run/user/$UID/checklist-help.txt \
		>/dev/null 2>&1)
	BUT=$?
	rm /run/user/$UID/checklist-help.txt
		if [ $BUT = 252 ]; then
			exit
		fi

	MAIN &
	exit
}
export -f HELP

###################################
#	Export Config
###################################
EXPORT_CONFIG(){
	mkdir -p $HOME/Desktop/checklists/
	cp -r $HOME/.config/checklists/* $HOME/Desktop/checklists/
	touch $HOME/Desktop/checklists/.km4ack 

	yad --height=200 --width=300 --text-align=center --center --title="Checklist Generator" \
	--image ${LOGO} --window-icon=${LOGO} --image-on-top \
	--text="<b>Config Files Exports</b>\r\rThe files have been exported and can be found \
	on your desktop in the <b>checklists</b> directory" \
	--button=gtk-ok

	MAIN &
	exit
}
export -f EXPORT_CONFIG

###################################
#	Import Config
###################################
IMPORT_CONFIG(){
	DIR=$(yad --file --directory --width=600 --height=400 --center --title="Checklist Generator" --text-align=center \
	--image $LOGO --window-icon=$LOGO --image-on-top \
	--text="\r<b>Choose the directory where your config files are located</b>\r")

	CHECK=$(ls -a $DIR | grep .km4ack)

	if [ -z "$CHECK" ]; then
		yad --height=200 --width=300 --text-align=center --center --title="Checklist Generator" \
		--image ${LOGO} --window-icon=${LOGO} --image-on-top \
		--text="<b>ERROR</b>\r\rThis directory does not appear to have been exported using \
		the Checklist Generator application. Can't continue." \
		--button=gtk-ok
		MAIN &
		exit
	fi

	cp $DIR/* $HOME/.config/checklists/
	yad --height=200 --width=300 --text-align=center --center --title="Checklist Generator" \
	--image ${LOGO} --window-icon=${LOGO} --image-on-top \
	--text="<b>Config Files Imported</b>" \
	--button=gtk-ok
	MAIN &
	exit
}
export -f IMPORT_CONFIG

MAIN
exit