#
# Petcard System - v1.0
# Copyright (c) 2025 FreedTapestry21
#
# Licensed under the MIT license
#

# Importing libraries
import sys, time, machine, framebuf, ssd1306, _thread

# Start Petcard frontend on core 1
with open("petcard.py") as app:
        _thread.start_new_thread(exec(app.read()), ())

# Initialize global variables
CONFIG = json.loads(open("config.json", "r").read())

TEXT_HEIGHT = 8
PADDING = 4

# Initialize classes
class Display:
    def __init__(self, disp, x, y) -> None:
        self.x = x
        self.y = y
        self.type = disp
        self.pages = y // 8
        self.buffer = framebuf.FrameBuffer(bytearray(self.pages * x), x, y, framebuf.MONO_VLSB)

    def log(self, msg, IGN=False): # IGN => IGNore to report to console (Only log)
        if CONFIG["debug"] == 1:
            date = time.localtime()
            stamp = str(date[0]) + "-" + str(date[1]) + "-" + str(date[2]) + " " + str(date[3]) + ":" + str(date[4]) + ":" + str(date[5])
            if IGN == False:
                text = "[" + stamp + "] " + msg
                print(text)
            else:
                if msg == "":
                    text = msg
                else:
                    text = "[" + stamp + "] " + msg
            if CONFIG["logging"] == 1: # Write log to log file
                with open(CONFIG["logfile"], "a") as file:
                    file.write(text + '\n')
                    file.close()
    
    def init(self):
        if self.type == "SSD1306":
            self.i2c = machine.I2C(0, sda=machine.Pin(4), scl=machine.Pin(5))
            self.display = ssd1306.SSD1306_I2C(128, 64, self.i2c)
        
    def update(self):
        self.display.blit(self.buffer, 0, 0)
        self.display.show()

class Controls:
    def __init__(self):
        pass
    
    def waitfor(self):
        while True:
            for x in CONFIG["controls"]:
                if machine.Pin(int(CONFIG["controls"][x]), machine.Pin.IN, machine.Pin.PULL_DOWN).value() == 1:
                    for y in CONFIG["controls"]:
                        if CONFIG["controls"][y] == x:
                            return y
                else: pass

class UI:
    def __init__(self):
        self.selection = -1
    def menu(self, display, controls, entries):
        if self.selection == -1:
            self.selection = 0
        while True:
            inp = controls.waitfor()
            if inp == "down":
                self.selection = self.selection + 1
            if inp == "up":
                self.selection = self.selection - 1
            if self.selection >= len(entries):
                self.selection = 0
            if self.selection < 0:
                self.slection = len(entries)
            print(str(self.selection))
            display.buffer.fill(0)
            display.buffer.fill_rect(0, int(self.selection*TEXT_HEIGHT) + int(self.selection*PADDING) + 2, display.x, 10, 1)
            i = PADDING
            q = 0
            for x in entries:
                if i < display.y:
                    if q == self.selection:
                        display.buffer.text(x, 0, i, 0)
                    else:
                        display.buffer.text(x, 0, i, 1)
                    i = i + TEXT_HEIGHT + PADDING
                    q = q + 1
                else:
                    pass
            display.update()
            time.sleep(0.2)
                
        display.update()
        return display

# Initialize functions

def quit(msg=""):
    if msg == '':
        sys.exit()
    else:
        print("[" + NAME + "] " + msg)