#!/usr/bin/env python3
from textual.app import App, ComposeResult
from textual.widgets import Input, Button, Static, Footer
from textual.containers import Container
from rich.markdown import Markdown
from textual.binding import Binding
from gemtext import Gemtext
from protocol.gemini import GeminiProtocol

class Browset(App):
    url = ""
    CSS_PATH = "browset.css"
    BINDINGS = [
        Binding("ctrl+q,ctrl+c", "app.quit", "Quit", show=True),
        Binding("ctrl+left", "back()", "Back", show=False),
        Binding("ctrl+right", "soon()", "Soon", show=False),
    ]
    history = []
    fistory = [] # forward history

    content = ["#h1", "## hey [b]Is this unformatted?[/b]", "```startpre","in preformatted text this hsould have a scrollbar if it is too wide oh yeah tonight is gonna be great.", "``` (ended pre)", "afterward"]
    def compose(self) -> ComposeResult:
        yield Footer()
        yield Container(
            Button("🔙", variant='primary', name='back'), # ⏪
            Button("🔝", name='../'), # ⏫
            Button("🔜", variant='primary', name='soon'), # ⏩
            Button("🔄", variant='primary', name='refresh'), # 🔁
            
            Input(placeholder="Enter URI", id="url"),
            id="toolbar"
        )
        yield Gemtext(fp=self.content, id="content")
    async def on_input_submitted(self, message: Input.Submitted) -> None:
        self._do_url(message.value, setbar=False)

    async def on_button_pressed(self, event: Button.Pressed) -> None:
      if event.button.variant == 'primary':
        if event.button.name == 'refresh':
            self._do_url(self.url)
        elif event.button.name == 'back':
          self.action_back()
        elif event.button.name == 'soon':
          self.action_soon()
      else:
        url = event.button.name
        if not ":" in url:
            url = GeminiProtocol.relativeURL(url, self.url)
        self._do_url(url)

    def action_back(self):
      if len(self.history):
        self.fistory.append(self.url)
        url = self.history.pop()
        self._do_url(url, histore=False, clearF=False)
    def action_soon(self):
      if len(self.fistory):
        url = self.fistory.pop()
        self._do_url(url, clearF=False)

    def _do_url(self, url, histore=True, setbar=True, clearF=True):
        if clearF:
            self.fistory = []
        if setbar:
            input = self.query_one("#url")
            input.value = url
        if histore:
            self.history.append(self.url)
        self.url = url
        (mime, fp) = GeminiProtocol.get(url)
        self.query_one("#content").remove()
        self.mount(Gemtext(fp=fp, id="content"))

if __name__ == "__main__":
    app = Browset()
    app.run()