from lcd_driver import I2C_LCD
from machine import I2C, Pin, Timer
import time
import machine


class WelcomeScreen:
    def __init__(self):
        self.I2C_ADDR     = 0x27
        self.I2C_NUM_ROWS = 2
        self.I2C_NUM_COLS = 16

        self._i2c = I2C(0, sda=Pin(0), scl=Pin(1), freq=400000)
        self.lcd = I2C_LCD(self._i2c, self.I2C_ADDR, self.I2C_NUM_ROWS, self.I2C_NUM_COLS)


    def show_welcome(self, loops=1):  # loops says how often the Starting text goes through
        if loops < 1: loops = 1
        padding = "                "  # 16 spaces
        started_str = "    Started!    "
        
        for i in range(loops):
            line1 = padding + "Starting..." + padding
            line2 = "    micronEC    "
            for i in range(32):
                self.lcd.putstr(line1[0:16])
                self.lcd.move_to(0,1)
                self.lcd.putstr(line2[0:16])
                line1 = line1[1:]
        
        self.lcd.move_to(0,0)
        self.lcd.putstr(started_str)
        
        # now fade down
        time.sleep(2)
        self.lcd.move_to(0,0)
        self.lcd.putstr(padding + started_str)
        time.sleep(0.1)
        self.lcd.clear()