## NEEDS: LIBRARY, SKETCH, ROOT, SOURCEDIR
## Should be included when the current directory is the dir of the Sketch.

case "$0" in
    */settings.sh)
        echo "This file must be included, never run directly!" >&2
        exit 1
        ;;
esac

SKETCH="${SKETCH:-${DEFAULT_SKETCH}}"
LIBRARY="${LIBRARY:-${SKETCH}}"

if [ -z "${SKETCH}" ] || [ -z "${LIBRARY}" ] || [ -z "${ROOT}" ] || [ -z "${SOURCEDIR}" ]; then
    echo "SKETCH, LIBRARY, SOURCEDIR, and ROOT need to be set before including this file!" >&2
    exit 1
fi

BOARD="model01"
MCU="atmega32u4"
FQBN="keyboardio:avr:model01"

DEVICE_PORT="$(ls /dev/ttyACM* 2>/dev/null || echo '')"
DEVICE_PORT_BOOTLOADER="$(ls /dev/ttyACM* 2>/dev/null || echo '')"

RESET_DEVICE="stty -F ${DEVICE_PORT} 1200 hupcl"

ARDUINO_PATH="${ARDUINO_PATH:-/usr/local/arduino}"
ARDUINO_LOCAL_LIB_PATH="${ARDUINO_LOCAL_LIB_PATH:-${HOME}/Arduino}"
ARDUINO_TOOLS_PATH="${ARDUINO_TOOLS_PATH:-${ARDUINO_PATH}/hardware/tools}"
ARDUINO_BUILDER="${ARDUINO_BUILDER:-${ARDUINO_PATH}/arduino-builder}"
ARDUINO_IDE_VERSION="100607"

BOARD_HARDWARE_PATH="${BOARD_HARDWARE_PATH:-${ARDUINO_LOCAL_LIB_PATH}/hardware}"
BOOTLOADER_PATH="${BOARD_HARDWARE_PATH}/keyboardio/avr/bootloaders/caterina/Caterina.hex"

AVR_SIZE="${AVR_SIZE:-${ARDUINO_TOOLS_PATH}/avr/bin/avr-size}"
AVR_NM="${AVR_NM:-${ARDUINO_TOOLS_PATH}/avr/bin/avr-nm}"
AVR_OBJDUMP="${AVR_OBJDUMP:-${ARDUINO_TOOLS_PATH}/avr/bin/avr-objdump}"

MD5="md5sum"

BUILD_PATH="${BUILD_PATH:-$(mktemp -d 2>/dev/null || mktemp -d -t 'build')}"
OUTPUT_DIR="${OUTPUT_DIR:-output/${LIBRARY}}"
OUTPUT_PATH="${OUTPUT_PATH:-${SOURCEDIR}/${OUTPUT_DIR}}"

GIT_VERSION="$(cd $(find_sketch); git describe --abbrev=4 --dirty --always)"
LIB_VERSION="$(cd $(find_sketch); (grep version= ../../library.properties 2>/dev/null || echo version=0.0.0) | cut -d= -f2)-g${GIT_VERSION}"

OUTPUT_FILE_PREFIX="${SKETCH}-${LIB_VERSION}"

HEX_FILE_PATH="${OUTPUT_PATH}/${OUTPUT_FILE_PREFIX}.hex"
HEX_FILE_WITH_BOOTLOADER_PATH="${OUTPUT_PATH}/${OUTPUT_FILE_PREFIX}-with-bootloader.hex"
ELF_FILE_PATH="${OUTPUT_PATH}/${OUTPUT_FILE_PREFIX}.elf"

ARDUINO_TOOLS_PARAM="-tools ${ARDUINO_TOOLS_PATH}"
if [ -z "${ARDUINO_TOOLS_PATH}" ]; then
    ARDUINO_TOOLS_PARAM=""
fi

if [ ! -z "${AVR_GCC_PREFIX}" ]; then
    ARDUINO_AVR_GCC_PREFIX_PARAM="-prefs \"runtime.tools.avr-gcc.path=${AVR_GCC_PREFIX}\""
fi

if [ ! -z "${VERBOSE}" ] && [ "${VERBOSE}" -gt 0 ]; then
    ARDUINO_VERBOSE="-verbose"
else
    ARDUINO_VERBOSE="-quiet"
fi

## Platform-specific overrides
# Shamelessly stolen from git's Makefile
uname_S=$(uname -s 2>/dev/null || echo not)

if [ "${uname_S}" = "Darwin" ]; then
    DEVICE_PORT="$(ls /dev/cu.usbmodemHID?? /dev/cu.usbmodem14*)"
    DEVICE_PORT_BOOTLOADER="$(ls /dev/cu.usbmodem14*)"

    ARDUINO_PATH="/Applications/Arduino.app/Contents/Java/"
    ARDUINO_LOCAL_LIB_PATH="${HOME}/Documents/Arduino"

    MD5="md5"

    RESET_DEVICE="stty -f ${DEVICE_PORT} 1200"
fi