from textual.app import App, ComposeResult
from textual.binding import Binding

from textual.widgets import Header, Footer, TabPane, TabbedContent
from textual.containers import Vertical
from widgets.text_editor import TextEditor, TextArea
from widgets.file_tabs import FileTabs
from widgets.directory_tree_custom import CustomDirectoryTree

import sys, os
import argparse
import pathlib


class Berry(App):
    DEFAULT_CSS = """
    Berry {
        #main {
            padding: 1;
        }
    }
    """
    
    bind_keys = {
        "new": "ctrl+n",
        "open": "ctrl+o",
        "open-folder": "ctrl+shift+o",
        "save": "ctrl+s",
        "save-as": "ctrl+shift+s",
        "settings": "ctrl+f1",
    }
    
    
    
    def __init__(self, path: str):
        super().__init__()
        self.open_tab = None
        self.path = pathlib.Path(path)
        
        self.BINDINGS = (
            Binding(self.bind_keys['new'], "new", "New file"),
            Binding(self.bind_keys['open'], "open_file", "Open file"),
            Binding(self.bind_keys['open-folder'], "open_folder", "Open directory"),
            Binding(self.bind_keys['save'], "save", "Save"),
            Binding(self.bind_keys['save-as'], "save_as", "Save as...")
        )
    
        for bind in self.BINDINGS:
            self._bindings._add_binding(bind)
        self.refresh_bindings()
    
    def compose(self) -> ComposeResult:
        yield Header()
        with Vertical(id="main"):
            
            yield CustomDirectoryTree(self.path.parent if self.path.is_file() else self.path)
                
            self.file_tabs = FileTabs()
            yield self.file_tabs
            
        yield Footer()
        
    async def on_ready(self) -> None:
        if self.path.is_file():
            await self.file_tabs.open_file(self.path)
            return
        
        await self.file_tabs.open_home()
        
        
if __name__ == "__main__":
    arg_parser = argparse.ArgumentParser()
    arg_parser.add_argument("path", default=".")
    args = arg_parser.parse_args()
    
    app = Berry(args.path)
    app.run()