import subprocess
import threading
import tkinter as tk
from tkinter import messagebox, scrolledtext

SCRIPT_PATH = "../start-stack.sh"


class StackLauncher(tk.Tk):
    def __init__(self):
        super().__init__()
        self.title("Traduttore Stack Helper")
        self.geometry("600x360")
        self.resizable(False, False)

        btn_frame = tk.Frame(self)
        btn_frame.pack(padx=12, pady=8, fill=tk.X)

        self.start_button = tk.Button(btn_frame, text="Avvia stack completo", command=self.start_stack)
        self.start_button.pack(side=tk.LEFT, padx=(0, 8))

        self.status_label = tk.Label(btn_frame, text="Stato: inattivo", anchor="w")
        self.status_label.pack(side=tk.LEFT, fill=tk.X, expand=True)

        self.log_text = scrolledtext.ScrolledText(self, state="disabled", wrap=tk.WORD)
        self.log_text.pack(fill=tk.BOTH, expand=True, padx=12, pady=(0, 12))

        self.process = None

    def start_stack(self):
        if self.process and self.process.poll() is None:
            messagebox.showinfo("In esecuzione", "Lo stack è già in fase di avvio.")
            return

        self.start_button.config(state="disabled")
        self.status_label.config(text="Stato: avvio");
        self.log_text.configure(state="normal")
        self.log_text.delete("1.0", tk.END)
        self.log_text.configure(state="disabled")

        thread = threading.Thread(target=self._run_script, daemon=True)
        thread.start()
        self.after(200, self._poll_process)

    def _run_script(self):
        self.process = subprocess.Popen(
            ["/bin/bash", "start-stack.sh"],
            cwd="..",
            stdout=subprocess.PIPE,
            stderr=subprocess.STDOUT,
            text=True,
            bufsize=1,
        )

        if not self.process.stdout:
            return
        for line in self.process.stdout:
            self._append_log(line)
        self.process.wait()
        self._append_log(f"Processo terminato con codice {self.process.returncode}\n")

    def _poll_process(self):
        if self.process and self.process.poll() is None:
            self.after(200, self._poll_process)
        else:
            self.start_button.config(state="normal")
            status = "completato" if self.process and self.process.returncode == 0 else "errore"
            self.status_label.config(text=f"Stato: {status}")

    def _append_log(self, value: str) -> None:
        self.log_text.configure(state="normal")
        self.log_text.insert(tk.END, value)
        self.log_text.see(tk.END)
        self.log_text.configure(state="disabled")


if __name__ == "__main__":
    app = StackLauncher()
    app.mainloop()