import sys
import win32api
import win32con
import win32gui

coordinates = {
    'shift': (62, 251),
    'alpha': (97, 251),
    'menu': (226, 251),

    'up': (161, 249),
    'down': (161, 287),
    'left': (131, 268),
    'right': (192, 268),

    'optn': (64, 297),
    '^2': (103, 297),
    '^3': (220, 297),
    '^': (259, 297),

    'calc': (64, 330),
    'y': (103, 330),
    '=': (142, 330),
    'x': (181, 330),
    'log': (220, 330),
    'ln': (259, 330),

    'simp': (64, 363),
    'rem': (103, 363),
    'frac': (142, 363),
    'sin': (181, 363),
    'cos': (220, 363),
    'tan': (259, 363),

    'sto': (64, 396),
    'deg': (103, 396),
    '(': (142, 396),
    ')': (181, 396),
    'sd': (220, 396),
    'm+': (259, 396),

    '7': (69, 435),
    '8': (115, 435),
    '9': (162, 435),
    'del': (209, 435),
    'ac': (255, 435),

    '4': (69, 475),
    '5': (115, 475),
    '6': (162, 475),
    '*': (209, 475),
    '/': (255, 475),

    '1': (69, 515),
    '2': (115, 515),
    '3': (162, 515),
    '+': (209, 515),
    '-': (255, 515),

    '0': (69, 555),
    ',': (115, 555),
    '10^': (162, 555),
    'ans': (209, 555),
    'exe': (255, 555)
}

commands = {
    '22': ['shift', '10^'],
    '2C': ['shift', '3'],
    '2D': ['10^'],
    '2E': [','],
    '30': ['0'],
    '31': ['1'],
    '32': ['2'],
    '33': ['3'],
    '34': ['4'],
    '35': ['5'],
    '36': ['6'],
    '37': ['7'],
    '38': ['8'],
    '39': ['9'],
    '40': ['alpha', 'm+'],
    '42': ['alpha', 'simp'],
    '43': ['alpha', 'rem'],
    '44': ['alpha', 'frac'],
    '45': ['alpha', 'sin'],
    '46': ['alpha', 'cos'],
    '47': ['alpha', 'tan'],
    '48': ['x'],
    '49': ['y'],
    '4C': ['optn', '1'],
    '60': ['('],
    '68': ['shift', 'frac'],
    '69': ['shift', '0'],
    '72': ['shift', 'ln'],
    '73': ['shift', 'log'],
    '74': ['shift', '^2'],
    '75': ['ln'],
    '76': ['shift', '^3'],
    '77': ['sin'],
    '78': ['cos'],
    '79': ['tan'],
    '7A': ['shift', 'sin'],
    '7B': ['shift', 'cos'],
    '7C': ['shift', 'tan'],
    '7D': ['log'],
    '83': ['shift', '*'],
    '84': ['shift', '/'],
    '87': ['alpha', ','],
    '88': ['shift', 'calc'],
    '89': ['shift', 'y'],
    '8A': ['alpha', '0'],
    'A5': ['='],
    'A6': ['+'],
    'A7': ['-'],
    'A8': ['*'],
    'A9': ['/'],
    'C0': ['shift', 'simp'],
    'C8': ['frac'],
    'C9': ['^'],
    'CA': ['shift', '^'],
    'D0': [')'],
    'D4': ['shift', '('],
    'D5': ['^2'],
    'D6': ['^3'],
    'D7': ['shift', 'ans'],
    'D8': ['shift', ')'],
    'DC': ['deg'],
    'F905': ['optn', '1'],
    'F906': ['optn', '2'],
    'F907': ['optn', '3'],
    'F908': ['optn', '4'],
    'F909': ['optn', 'down', '1'],
    'F90A': ['optn', 'down', '2'],
    'F90B': ['optn', 'down', '3'],
    'F90C': ['optn', 'down', '4'],
    'F90D': ['optn', 'down', 'down', '1'],
    'F90E': ['optn', 'down', 'down', '2'],
    'F90F': ['optn', 'down', 'down', '3'],
    'F910': ['optn', 'down', 'down', '4'],
    'F911': ['optn', 'up', 'up', '1'],
    'F912': ['down'],
    'F913': ['optn', 'up', 'up', '2'],
    'F914': ['down'],
    'F915': ['optn', 'up', 'up', '3'],
    'F916': ['down'],
    'F917': ['optn', 'up', 'up', '4'],
    'F918': ['down'],
    'F919': ['down'],
    'FB01': ['optn', '4'],
    'FB02': ['optn', '3'],
    'FB03': ['optn', '2'],
    'FB04': ['optn', '6'],
    'FB05': ['optn', '5'],
    'FD18': ['shift', ',']
}

variables = {
    '40': ['right', '7'],
    '42': ['right', '1'],
    '43': ['right', '2'],
    '44': ['right', '3'],
    '45': ['right', '4'],
    '46': ['right', '5'],
    '47': ['right', '6']
}

init = ['ac', 'ac', 'shift', '9', '3', 'exe', 'ac', 'menu', '8', 'shift', 'menu', 'down', '4', '1', '4']

windows = []

def callback(hwnd, windows):
    text = win32gui.GetWindowText(hwnd)
    if text.startswith('fx-92+'):
        windows.append(hwnd)

def process(hwnd, sequence):
    for element in sequence:
        p = win32gui.GetWindowRect(hwnd)
        w = p[2] - p[0] - 8
        h = p[3] - p[1] - 76
        p = coordinates[element]
        tmp = win32api.MAKELONG(p[0] * w // 322, 30 + p[1] * h // 625)
        win32api.SendMessage(hwnd, win32con.WM_LBUTTONDOWN, win32con.MK_LBUTTON, tmp)
        win32api.SendMessage(hwnd, win32con.WM_LBUTTONUP, win32con.MK_LBUTTON, tmp)
        win32api.Sleep(100)

if len(sys.argv) != 2:
    print('Usage: python.exe fx92-programmer.py input_file')
    sys.exit(1)

win32gui.EnumWindows(callback, windows)

if len(windows) == 0:
    print('Cannot find fx-92+ emulator window')
    sys.exit(1)

hwnd = windows[0]

try:
    f = open(sys.argv[1], 'r')
except IOError:
    print('Cannot open %s' % sys.argv[1])
    sys.exit(1)

program = f.read().strip().upper()
f.close()

offset = program.find('+E-')

if offset >= 0:
    program = program[offset + 3:]

process(hwnd, init)

code = ''
counter = 0
mode = 0
for element in program:
    code += element
    counter += 1
    script = code.startswith('F')
    if (script and counter != 4) or (not script and counter != 2):
        continue
    elif code == 'F908':
        mode = 4
        sequence = commands.get(code)
    elif code == 'F90B':
        mode = 3
        sequence = commands.get(code)
    elif code == 'F90C':
        mode = 2
        sequence = commands.get(code)
    elif code == 'F90D' or code == 'F90F':
        mode = 1
        sequence = commands.get(code)
    elif code == '00' and mode == 4:
        mode = 0
        sequence = ['exe']
    elif code == '00' and mode == 3:
        mode = 2
        sequence = ['exe']
    elif code == '00' and mode == 2:
        mode = 0
        sequence = ['exe']
    elif code == '00' and mode == 1:
        mode = 0
        sequence = None
    elif code == '00' and mode == 0:
        sequence = ['exe', 'exe']
    elif mode == 2:
        sequence = variables.get(code)
    else:
        sequence = commands.get(code)
    if sequence is not None:
        process(hwnd, sequence)
    code = ''
    counter = 0