import urequests as requests
import display
import buttons
import wifi
from time import sleep

wifi.connect()
sleep(4)  # this is how you deal with race conditions. it will never cause trouble
position = 0
page = [1, 0, 0]
display.drawFill(display.BLACK)
host = "20.121.51.42"  # no guarantees this will stay online


def render_page():
    data = requests.get(f'http://{host}/{"".join(str(x) for x in page)}').json()['content']
    raw_data = [entry.split('<') for entry in data.split('">')]
    processed_data = []

    for entry in raw_data:
        processed_data.append(
            entry[0].replace('&#xF020;', '\uf020').replace('&#xF023;', '\uf023').replace('&#xF02c;', '\uf02c'))
        for line_endings in entry[1:]:
            for _ in range(line_endings.count('\n')):
                processed_data.append('\n')

    processed_data = ''.join(processed_data).splitlines()
    display.drawRect(0, 0, 800, 219, True, display.BLACK)
    display.flush()
    for j, line in enumerate(processed_data):
        display.drawText(0, j * 8, line, 0xFFFFFF, "7x5")
        display.flush()
    render_position_indicator()


def confirm_input(event):
    global position
    if event:
        position += 1
        render_position_indicator()
        if position == 3:
            try:
                render_page()
            except:
                ...
            position = 0
            render_position_indicator()
        display.flush()


def reject_input(event):
    global position
    if event:
        position -= 1
        if position == -1:
            position = 2
        render_position_indicator()


def render_position_indicator():
    global position
    display.drawRect(0, 235, 800, 2, True, display.BLACK)
    display.drawRect(50 + position * 10, 235, 10, 2, True, display.CYAN)
    display.flush()


def increase(event):
    if event:
        page[position] += 1
        page[position] = page[position] % 10
        display.drawRect(50 + position * 10, 220, 10, 20, True, display.BLACK)
        display.drawText(50 + position * 10, 220, str(page[position]))
        display.flush()


def decrease(event):
    if event:
        page[position] -= 1
        page[position] = abs(page[position]) % 10
        display.drawRect(50 + position * 10, 220, 10, 20, True, display.BLACK)
        display.drawText(50 + position * 10, 220, str(page[position]))
        display.flush()


buttons.attach(buttons.BTN_A, confirm_input)
buttons.attach(buttons.BTN_B, reject_input)
buttons.attach(buttons.BTN_UP, increase)
buttons.attach(buttons.BTN_DOWN, decrease)
buttons.attach(buttons.BTN_RIGHT, confirm_input)
buttons.attach(buttons.BTN_LEFT, reject_input)
render_position_indicator()
for _ in range(3):
    increase(True)
    decrease(True)
    confirm_input(True)