#!/usr/bin/python3

from PyQt6.QtWidgets import QWidget, QVBoxLayout
from PyQt6.QtGui import QFont, QTextCharFormat, QColor
from binary_text_edit import BinaryTextEdit
from highlighting import Higlighter


class BitEditor:
    font = QFont("Ubuntu Mono", 12)
    one_format = QTextCharFormat()
    one_format.setBackground(QColor(200, 150, 100))

    def __init__(self, app, file):
        self.app = app
        self.file = file

        self.not_saved = False

        self.setup_gui()

    def setup_gui(self):
        # widget that contains the text input
        self.widget = QWidget(self.app.gui.main_window.openFileTabs, objectName=self.file.path)
        self.widget_layout = QVBoxLayout()

        self.input = BinaryTextEdit()
        self.input.setOverwriteMode(True)
        self.widget_layout.addWidget(self.input)

        self.input.setPlainText(self.app.utils.bstring_to_oz(self.file.content))

        self.input.textChanged.connect(self.on_edit)

        self.bit_highlighter = Higlighter()
        self.bit_highlighter.add_mapping("1", self.one_format)

        self.update_style()

        self.widget.setLayout(self.widget_layout)

        self.tab_index = self.app.gui.main_window.openFileTabs.addTab(  # add a tab for the file in the top files list
            self.widget,
            self.file.name
        )

    def on_edit(self):
        self.not_saved = True

    def update_style(self):
        square = self.app.settings.square_bits

        spacing = 200 if square else 100  # add spacing when setting is checked

        self.font.setLetterSpacing(QFont.SpacingType.PercentageSpacing, spacing)
        self.input.setFont(self.font)

        highlight_ones = self.app.settings.highlight_ones

        highlighter_document = self.input.document() if highlight_ones else None

        self.bit_highlighter.setDocument(highlighter_document)