use gtk4 as gtk;

use crate::{
    model::builder_traits::Product,
    view::{
        components::{info_bar::InfoBar, input::Input},
        properties::*,
    },
    view_utils::{hamming_code_utils::start_hamming_algorithm, input_utils::clearing},
};

use gtk::{glib::clone, prelude::*, *};

pub fn hamming_code_page(wrapper: &Box) {
    let info_bar = InfoBar::get_instance();

    let input_code = Input::<TextView>::builder()
        .label("Поле ввода для кода:")
        .margins(MarginData::EqualsMargin(6))
        .align(Alignment::new(Align::Start, Align::Start))
        .build(Some(64));

    let output_code = Input::<TextView>::builder()
        .label("Результат:")
        .margins(MarginData::EqualsMargin(6))
        .align(Alignment::new(Align::Start, Align::Start))
        .build(Some(64));

    output_code.get_input().set_editable(false);

    for input in [&input_code, &output_code] {
        input.get_input().set_monospace(true);
        input.get_input().set_wrap_mode(WrapMode::Word);
    }

    let clear_input_button = Button::builder()
        .set_align(Alignment::new(Align::Fill, Align::Fill))
        .label("Очистка полей")
        .build();

    let hamming_crypt_button = Button::builder()
        .set_align(Alignment::new(Align::Fill, Align::Fill))
        .label("Выполнить")
        .build();

    let crypt_mode_switch = Switch::new();

    let crypt_mode_label = Label::builder().label("Режим: кодирование").build();

    let crypt_mode_wrapper = Box::builder()
        .orientation(Orientation::Horizontal)
        .set_align(Alignment::new(Align::Fill, Align::Center))
        .hexpand(true)
        .spacing(10)
        .build();

    let action_components_wrapper = Box::builder()
        .orientation(Orientation::Horizontal)
        .set_align(Alignment::new(Align::Fill, Align::Fill))
        .set_margin(MarginData::MultipleMargin((0, 5, 0, 5)))
        .spacing(10)
        .build();

    crypt_mode_switch.connect_state_set(clone!(
        #[strong]
        crypt_mode_label,
        move |_, toggled| {
            if toggled {
                crypt_mode_label.set_label("Режим: проверка");
            } else {
                crypt_mode_label.set_label("Режим: кодирование");
            }
            glib::Propagation::Proceed
        }
    ));

    clear_input_button.connect_clicked(clone!(
        #[strong]
        input_code,
        #[strong]
        output_code,
        move |_| {
            clearing(input_code.get_input(), output_code.get_input());
        }
    ));

    hamming_crypt_button.connect_clicked(clone!(
        #[strong]
        input_code,
        #[strong]
        output_code,
        #[strong]
        crypt_mode_switch,
        #[strong]
        info_bar,
        move |_| {
            let result = start_hamming_algorithm(input_code.get_input(), crypt_mode_switch.state());
            match result {
                Ok(result) => {
                    output_code.get_input().buffer().set_text(result.trim_end());
                }
                Err(reject) => {
                    info_bar.set_text_label(Some(&*format!("{reject}")));
                    info_bar.show_infobar(5);
                }
            }
        }
    ));

    crypt_mode_wrapper.append(&crypt_mode_switch);
    crypt_mode_wrapper.append(&crypt_mode_label);

    action_components_wrapper.append(&clear_input_button);
    action_components_wrapper.append(&crypt_mode_wrapper);
    action_components_wrapper.append(&hamming_crypt_button);

    wrapper.append(input_code.get());
    wrapper.append(&action_components_wrapper);
    wrapper.append(output_code.get());
}