#!/bin/bash

# TODO: CHANGE KLIPPER PORTS

SOURCE=${BASH_SOURCE[0]}
while [ -L "$SOURCE" ]; do
  TARGET=$(readlink "$SOURCE")
  if [[ $TARGET == /* ]]; then
    SOURCE=$TARGET
  else
    DIR=$( dirname "$SOURCE" )
    SOURCE=$DIR/$TARGET
  fi
done
RDIR=$( dirname "$SOURCE" )
ROOT_DIR=$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )
cd $ROOT_DIR

# Pull Klipper
git submodule update --init --recursive

# Select Klipper Config
cd $ROOT_DIR/dirs/klipper
make menuconfig
CONFIG_FILES=(`ls config`)
CONFIG_FILES+=("Enter_Manually")
let i=0
C=()
for f in ${CONFIG_FILES[@]}; do
    C+=($i $f)
    let i+=1
done
CONFIG_INDEX=$(dialog --backtitle "drwho@hackers.town" --title "Printer Selection" --menu "Select Printer Config" --output-fd 1 40 0 1 ${C[@]})
CONFIG_FILE=${CONFIG_FILES[$CONFIG_INDEX]}
if [[ $CONFIG_FILE == "Enter_Manually" ]]; then
    MANUAL_FILE=""
    while [ ! -f "${MANUAL_FILE}" ]; do
        MANUAL_FILE=$(dialog --backtitle "drwho@hackers.town" --title "Manual Config Selection" --inputbox "Enter Full Config File Path" 8 40 "${MANUAL_FILE}" 3>&1 1>&2 2>&3)
    done
    CONFIG_FILE=$MANUAL_FILE
else
    CONFIG_FILE="./config/$CONFIG_FILE"
fi

# Select Serial Device
DEVICES=(`ls /dev/serial/by-id/`)
DEVICES+=("Enter_Manually")
let i=0
C=()
for f in ${DEVICES[@]}; do
    C+=($i $f)
    let i+=1
done
DEVICE_INDEX=$(dialog --backtitle "drwho@hackers.town" --title "USB Device Selection" --menu "Select USB Device" --output-fd 1 40 0 1 ${C[@]})
DEVICE=${DEVICES[$DEVICE_INDEX]}

if [[ $DEVICE == "Enter_Manually" ]]; then
    MANUAL_FILE=""
    while [ ! -f "${MANUAL_FILE}" ]; do
        MANUAL_FILE=$(dialog --backtitle "drwho@hackers.town" --title "Manual Device Selection" --inputbox "Enter Full Device File Path" 8 40 "${MANUAL_FILE}" 3>&1 1>&2 2>&3)
    done
    DEVICE=$MANUAL_FILE
fi

# Name Printer
# Todo: avoid duplications
NAME_NOT_VALID=true
while $NAME_NOT_VALID ; do
    PRINTER_NAME=$(dialog --backtitle 'drwho@hackers.town' --inputbox 'Name This Printer' 8 40 "${PRINTER_NAME}" 3>&1 1>&2 2>&3)
    if [[ $PRINTER_NAME =~ ^[a-zA-Z0-9_-]+$ ]]; then
        NAME_NOT_VALID=false
    fi
done

# Build Klipper
cp $CONFIG_FILE $ROOT_DIR/dirs/klipper/printer.cfg
sed -i -e "s/^serial: .\+$/serial: \/dev\/serial\/by-id\/${DEVICE}/g" "${ROOT_DIR}/dirs/klipper/printer.cfg"
make -j$(nproc)

# Flash Firmware
make flash FLASH_DEVICE=/dev/serial/by-id/$DEVICE

# Copy over printer config file
cd $ROOT_DIR/dirs
cat $ROOT_DIR/config/macros.gcode >> printer.cfg.tmp
cat klipper/printer.cfg >> printer.cfg.tmp
mv printer.cfg.tmp printer_data/config/printer.cfg

# Apply Edits to Configs
cd $ROOT_DIR/dirs/printer_data/config
sed -i -e "s/PRINTERNAME/$PRINTER_NAME/g" "moonraker.conf"

cd $ROOT_DIR/dirs/mainsail-config
sed -i -e "s/~\/printer_data/~\/$PRINTER_NAME\/printer_data/g" "client.cfg"

cd $ROOT_DIR/config/services
# TODO: Add Crowsnest Support
FILES=(moonraker klipper)
for f in ${FILES[@]}; do
    sed -i -e "s/PRINTERNAME/$PRINTER_NAME/g" "${f}.service"
done

# Download Mainsail
cd $ROOT_DIR
wget -q -O mainsail.zip https://github.com/mainsail-crew/mainsail/releases/latest/download/mainsail.zip
unzip -o mainsail.zip -d dirs/mainsail

# Copy To Final Location
mkdir -p ~/$PRINTER_NAME
cp -r dirs/* ~/$PRINTER_NAME

# Create Empty Dirs
DIRS=(logs gcodes certs backup mainsail-config)
for d in ${DIRS[@]}; do
    mkdir -p "~/$PRINTER_NAME/$d"
done

# Configure System Services
cd $ROOT_DIR/config/services
SERVICES=()
for f in *.service; do
    SERVICES+=($f)
    cp "${f}" "${PRINTER_NAME}-${f}"
    sed -i -e "s/PRINTERNAME/$PRINTER_NAME/g" "${PRINTER_NAME}-${f}"
done

# Install System Services
sudo cp $ROOT_DIR/config/services/* /etc/systemd/system/
sudo systemctl daemon-reload
for svc in ${SERVICES[@]}; do
    sudo systemctl enable $PRINTER_NAME-$svc
    sudo systemctl start $PRINTER_NAME-$svc
done

# Cleanup
rm -rf "${ROOT_DIR}/mainsail.zip"