src/ui/handlers.py

#
# SPDX-FileCopyrightText: Hadad <hadad@linuxmail.org>
# SPDX-License-Identifier: Apache-2.0
#

import gradio as gr
from config import VOICE_MODE_PRESET, DEFAULT_VOICE
from ..validation.text import validate_text_input

def switch_to_generating_state(ui_state):
    new_state = {"generating": True}
    
    return (
        gr.update(visible=False),
        gr.update(visible=True, interactive=True),
        gr.update(visible=False),
        new_state
    )

def switch_to_idle_state(text_content, ui_state):
    new_state = {"generating": False}

    has_text_content = bool(text_content and text_content.strip())
    should_show_clear = has_text_content
    
    is_valid_text, _ = validate_text_input(text_content)

    return (
        gr.update(visible=True, interactive=is_valid_text),
        gr.update(visible=False),
        gr.update(visible=should_show_clear),
        new_state
    )

def perform_clear_action():
    return (
        "",
        None,
        gr.update(visible=False),
        VOICE_MODE_PRESET,
        DEFAULT_VOICE,
        None
    )

def create_example_handler(example_text, example_voice):
    def set_example_values():
        return example_text, VOICE_MODE_PRESET, example_voice

    return set_example_values

def format_example_button_label(example_text, example_voice, max_text_length=40):
    truncated_text = (
        example_text[:max_text_length] + "..."
        if len(example_text) > max_text_length
        else example_text
    )
    
    return f"[{example_voice}] {truncated_text}"