# (c) Copyright 2018 by Coinkite Inc. This file is covered by license found in COPYING-CC.
#
# dev_helper.py - Debug code, not shipped.
#
import ckcc, pyb
from uasyncio import sleep_ms
from version import has_qwerty
from charcodes import *
        
async def usb_keypad_emu():
    # Take keypresses on USB virtual serial port (when not in REPL mode)
    # and converts them into keypad events. Super handy for UX testing/dev.
    #
    # IMPORTANT: 
    # - code is **not** used in real product, but left here for devs to use
    # - this code isn't even included in the build normally
    #
    await sleep_ms(1000)        # avoid slowing the startup

    from ux import the_ux
    from menu import MenuSystem
    from seed import WordNestMenu
    import gc

    u = pyb.USB_VCP()

    remap_mk4 = {  '\r': 'y',
             '\x1b': 'x', 
           '\x1b[A': '5', 
           '\x1b[B': '8', 
           '\x1b[C': '9', 
           '\x1b[D': '7' }

    remap_q1 = {  
            '\r': KEY_ENTER,
           '\x1b': KEY_CANCEL,
           '\x1b[A': KEY_UP,
           '\x1b[B': KEY_DOWN,
           '\x1b[C': KEY_RIGHT,
           '\x1b[D': KEY_LEFT,
    }

    while 1:
        await sleep_ms(100)

        while u.isconnected() and u.any():
            from glob import numpad

            k = u.read(3).decode()

            if k =='\x04':     # ^D
                # warm reset
                from machine import soft_reset
                soft_reset()

            if has_qwerty:
                numpad.inject(remap_q1.get(k, k))
            else:
                if k == 'T':
                    ckcc.vcp_enabled(True)
                    print("Repl")
                    continue

                if k in remap_mk4:
                    k = remap_mk4[k]
                if k in '0123456789xy':
                    numpad.inject(k)

def setup():
    from imptask import IMPT
    IMPT.start_task('usb_keypad_emu', usb_keypad_emu())

# EOF