from PyQt6.QtWidgets import (
    QWidget,
    QVBoxLayout,
    QLabel,
    QPlainTextEdit,
)
from PyQt6.QtCore import pyqtSignal
from src.gui.theme import Theme
from src.gui.components.editor import LyricEditor

class ScratchpadWidget(QWidget):
    content_changed = pyqtSignal(str)

    def __init__(self, parent=None):
        super().__init__(parent)
        self.setMinimumWidth(200)
        self.setStyleSheet(f"background-color: {Theme.BACKGROUND_SECONDARY}; border-left: 1px solid {Theme.CURRENT_LINE};")
        
        layout = QVBoxLayout(self)
        layout.setContentsMargins(0, 0, 0, 0)
        layout.setSpacing(0)

        # Header
        header = QLabel("Scratchpad")
        header.setStyleSheet(
            f"color: {Theme.FOREGROUND}; background-color: {Theme.BACKGROUND_SECONDARY}; padding: 10px; font-weight: bold; border-bottom: 1px solid {Theme.CURRENT_LINE};"
        )
        layout.addWidget(header)

        # Editor
        self.editor = LyricEditor() # Or just QPlainTextEdit if we don't need highlighting
        self.editor.setStyleSheet(
            f"QPlainTextEdit {{ background-color: {Theme.BACKGROUND_SECONDARY}; color: {Theme.FOREGROUND}; padding: 10px; border: none; }}"
        )
        layout.addWidget(self.editor)

        self.editor.textChanged.connect(self._on_text_changed)

    def _on_text_changed(self):
        self.content_changed.emit(self.editor.toPlainText())

    def set_content(self, text: str):
        self.editor.blockSignals(True)
        self.editor.setPlainText(text)
        self.editor.blockSignals(False)

    def get_content(self) -> str:
        return self.editor.toPlainText()