import pygame
import sys

pygame.init()

display = pygame.display.set_mode((400, 300))

class TextInput(pygame.sprite.Sprite):
    def __init__(self, x, y, width=100, height=50, color=(0, 0, 0),
                 bgcolor=(100, 255, 100), selectedColor=(0, 0, 255)):
        super().__init__()
        self.text_value = ""
        self.isSelected = False
        self.color = color
        self.bgcolor = bgcolor
        self.selectedColor = selectedColor
        self.font = pygame.font.SysFont("Verdana", 20)
        self.text = self.font.render(self.text_value, True, self.color)
        self.bg = pygame.Rect(x, y, width, height)

    def clicked(self, mousePos):
        if self.bg.collidepoint(mousePos):
            self.isSelected = not self.isSelected
            return True
        return False

    def update_text(self, next_text):
        temp = self.font.render(next_text, True, self.color)
        if temp.get_rect().width > (self.bg.width - 20):
            return
        self.text_value = next_text
        self.text = temp

    def render(self, display):
        self.pos = self.text.get_rect(center=(self.bg.x + self.bg.width / 2, self.bg.y + self.bg.height / 2))
        pygame.draw.rect(display, self.selectedColor if self.isSelected else self.bgcolor, self.bg)
        display.blit(self.text, self.pos)

class CustomGroup(pygame.sprite.Group):
    def __init__(self):
        super().__init__()
        self.current = None

TextInputGroup = CustomGroup()

TextInputGroup.add(TextInput(x=100, y=100, width=200))
TextInputGroup.add(TextInput(x=100, y=200, width=200))

ibeam = pygame.cursors.Cursor(pygame.SYSTEM_CURSOR_IBEAM)

while True:
    mouse_pos = pygame.mouse.get_pos()
    clicked_any = False

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()

        if event.type == pygame.MOUSEBUTTONDOWN:
            for textinput in TextInputGroup:
                if textinput.clicked(mouse_pos):
                    if TextInputGroup.current:
                        TextInputGroup.current.isSelected = False
                    TextInputGroup.current = textinput
                    textinput.isSelected = True
                    clicked_any = True
                    break
            if not clicked_any and TextInputGroup.current:
                TextInputGroup.current.isSelected = False
                TextInputGroup.current = None

        if event.type == pygame.KEYDOWN and TextInputGroup.current:
            if event.key == pygame.K_BACKSPACE:
                TextInputGroup.current.update_text(TextInputGroup.current.text_value[:-1])
            elif event.key == pygame.K_RETURN:
                print(TextInputGroup.current.text_value)

        if event.type == pygame.TEXTINPUT and TextInputGroup.current:
            TextInputGroup.current.update_text(TextInputGroup.current.text_value + event.text)

    display.fill((255, 255, 255))
    for textinput in TextInputGroup:
        textinput.render(display)

    over_textbox = any(textinput.bg.collidepoint(mouse_pos) for textinput in TextInputGroup)
    pygame.mouse.set_cursor(ibeam if over_textbox else pygame.cursors.Cursor())

    pygame.display.update()