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from kivy.config import Config
Config.set('graphics', 'width', '360')
Config.set('graphics', 'height', '640')
Config.set('graphics', 'resizable', '0')

from kivy.app import App
from kivy.lang import Builder
from kivy.animation import Animation
from kivy.core.window import Window
from kivy.metrics import dp
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.button import Button
from kivy.uix.widget import Widget
from kivy.uix.behaviors import ButtonBehavior
from kivy.uix.label import Label
from kivy.uix.modalview import ModalView
from kivy.properties import StringProperty, NumericProperty
from kivy.utils import platform
from kivy.clock import Clock

Builder.load_string('''
<ClickableOverlay>:
    canvas:
        Color:
            rgba: 0, 0, 0, 0.3 if self.active else 0
        Rectangle:
            pos: self.pos
            size: self.size

<ContentItem>:
    orientation: 'horizontal'
    size_hint_y: None
    height: dp(50)
    spacing: dp(5)
    padding: dp(5)
    canvas.before:
        Color:
            rgba: 0.4, 0.4, 0.6, 1
        Rectangle:
            pos: self.pos
            size: self.size
    
    Label:
        id: title_label
        text: root.item_title
        size_hint_x: 0.8
        halign: 'left'
        valign: 'middle'
        text_size: self.width, None
        color: 1, 1, 1, 1
        font_size: dp(16)
        bold: True
    
    Button:
        id: info_button
        text: 'i'
        size_hint_x: 0.2
        size_hint_y: 1
        background_normal: ''
        background_color: 0.8, 0.8, 0.2, 1
        font_size: dp(14)
        bold: True
        on_press: root.show_info()

<InfoDialog>:
    size_hint: (0.8, 0.8)
    auto_dismiss: True
    BoxLayout:
        orientation: 'vertical'
        padding: dp(20)
        spacing: dp(10)
        canvas.before:
            Color:
                rgba: 0.3, 0.3, 0.5, 1
            Rectangle:
                pos: self.pos
                size: self.size
        
        Label:
            text: root.title
            font_size: dp(20)
            bold: True
            color: 1, 1, 1, 1
            size_hint_y: 0.3
        
        Label:
            text: root.description
            font_size: dp(16)
            color: 1, 1, 1, 1
            text_size: self.width, None
            valign: 'top'
            halign: 'left'
            size_hint_y: 0.7
        
        Button:
            text: 'Close'
            size_hint_y: 0.2
            background_normal: ''
            background_color: 0.8, 0.3, 0.3, 1
            on_press: root.dismiss()

<SearchApplicationUI>:
    orientation: 'vertical'
    spacing: dp(5)
    padding: [0, 0, 0, root.keyboard_padding]
    
    BoxLayout:
        id: notification_panel
        size_hint_y: None
        height: 0
        opacity: 0
        canvas.before:
            Color:
                rgba: 0.2, 0.8, 0.4, 0.9
            Rectangle:
                pos: self.pos
                size: self.size
        Label:
            id: notification_label
            text: ''
            color: 1, 1, 1, 1
            font_size: dp(18)
            bold: True
            halign: 'center'
            padding: [dp(10), dp(5)]
    
    ScrollView:
        id: content_scroll
        size_hint_y: 1
        do_scroll_y: True
        
        BoxLayout:
            id: items_container
            orientation: 'vertical'
            size_hint_y: None
            height: self.minimum_height
            spacing: dp(5)
            padding: [dp(10), dp(0)]
    
    BoxLayout:
        id: search_controls
        size_hint_y: None
        height: dp(60)
        padding: dp(10)
        spacing: dp(5)
        
        TextInput:
            id: search_field
            hint_text: 'Enter search query...'
            multiline: False
            size_hint_x: 0.8
            padding: [dp(10), (self.height - self.line_height)/2]
            font_size: dp(16)
            on_focus: root.on_search_focus_changed(*args)
            on_text_validate: root.perform_search()
        
        Button:
            id: action_btn
            text: 'Add'
            size_hint_x: 0.2
            font_size: dp(13)
            bold: True
            background_normal: ''
            background_color: (0.4, 0.6, 0.4, 1)
            on_press: root.toggle_notification_panel()
    
    ClickableOverlay:
        id: keyboard_dismiss_area
        size_hint: (1, 1)
        active: False
        on_press:
            root.hide_virtual_keyboard()
            self.active = False
''')

class ClickableOverlay(ButtonBehavior, Widget):
    active = False

class InfoDialog(ModalView):
    title = StringProperty('')
    description = StringProperty('')

class ContentItem(ButtonBehavior, BoxLayout):
    item_title = StringProperty('')
    item_description = StringProperty('')
    
    def __init__(self, item_title="", item_description="", **kwargs):
        super().__init__(**kwargs)
        self.item_title = item_title
        self.item_description = item_description
    
    def on_press(self):
        app = App.get_running_app()
        app.root.ids.notification_label.text = f"Selected: {self.item_title}"
        if app.root.ids.notification_panel.height == 0:
            app.root.show_notification_panel()
    
    def show_info(self):
        dialog = InfoDialog(title=self.item_title, 
                          description=self.item_description)
        dialog.open()

class SearchApplicationUI(BoxLayout):
    keyboard_height = NumericProperty(0)
    keyboard_padding = NumericProperty(0)
    
    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        self._keyboard_listener = None
        self._keyboard_measured = False
        Window.bind(on_keyboard=self._on_keyboard)
        
        # Для Android настраиваем слушатель клавиатуры
        if platform == 'android':
            Clock.schedule_once(self._setup_keyboard_listener, 0.5)
        
        self.initialize_content()
        Window.clearcolor = (0.4, 0.4, 0.4, 1)
    
    def _setup_keyboard_listener(self, dt):
        """Установка слушателя клавиатуры для Android"""
        try:
            from android.runnable import run_on_ui_thread
            from jnius import autoclass
            
            @run_on_ui_thread
            def attach_listener():
                View = autoclass('android.view.View')
                root_view = Window._get_activity().getWindow().getDecorView()
                root_view.getViewTreeObserver().addOnGlobalLayoutListener(
                    KeyboardListener(self))
            
            attach_listener()
        except Exception as e:
            print(f"Error setting up keyboard listener: {e}")
    
    def _on_keyboard(self, window, key, *args):
        """Обработка аппаратной клавиатуры"""
        if key == 27:  # ESC key
            self.hide_virtual_keyboard()
            return True
        return False
    
    def on_search_focus_changed(self, instance, has_focus):
        """Измеряем высоту клавиатуры при фокусе"""
        if has_focus:
            if platform == 'android':
                Clock.schedule_once(self._measure_keyboard_height, 0.3)
            self.ids.keyboard_dismiss_area.active = True
        else:
            self.ids.keyboard_dismiss_area.active = False
    
    def _measure_keyboard_height(self, dt):
        """Точное измерение высоты клавиатуры"""
        try:
            input_field = self.ids.search_field
            pos = input_field.to_window(*input_field.pos)
            
            # Вычисляем видимую высоту над клавиатурой
            visible_height = pos[1] + input_field.height
            self.keyboard_height = max(0, Window.height - visible_height)
            
            # Обновляем отступ и показываем результат
            self.keyboard_padding = self.keyboard_height
            self.ids.notification_label.text = f"Keyboard: {self.keyboard_height:.1f}px"
            self.show_notification_panel()
            
            # Прокручиваем к полю ввода
            Clock.schedule_once(lambda dt: self.ids.content_scroll.scroll_to(input_field), 0.1)
            
        except Exception as e:
            print(f"Keyboard measurement error: {e}")
    
    def hide_virtual_keyboard(self):
        """Скрываем виртуальную клавиатуру"""
        self.ids.search_field.focus = False
        self.keyboard_padding = 0
    
    def initialize_content(self):
        """Заполняем контент"""
        for i in range(1, 21):
            item = ContentItem(
                item_title=f'Item {i}',
                item_description=f'Detailed description for item {i}.'
            )
            self.ids.items_container.add_widget(item)
    
    def toggle_notification_panel(self):
        """Переключаем панель уведомлений"""
        if self.ids.notification_panel.height == 0:
            query = self.ids.search_field.text.strip()
            if query:
                self.ids.notification_label.text = f"Added: {query}"
                self.show_notification_panel()
        else:
            self.hide_notification_panel()
    
    def show_notification_panel(self):
        """Показываем панель уведомлений"""
        Animation(height=dp(50), opacity=1, duration=0.3).start(self.ids.notification_panel)
        self.ids.action_btn.text = "Remove"
        self.ids.action_btn.background_color = (0.8, 0.3, 0.3, 1)
    
    def hide_notification_panel(self):
        """Скрываем панель уведомлений"""
        Animation(height=0, opacity=0, duration=0.3).start(self.ids.notification_panel)
        self.ids.action_btn.text = "Add"
        self.ids.action_btn.background_color = (0.4, 0.6, 0.4, 1)
    
    def perform_search(self):
        """Выполняем поиск"""
        query = self.ids.search_field.text.strip()
        if query:
            self.ids.notification_label.text = f"Found: {query}"
            if self.ids.notification_panel.height == 0:
                self.show_notification_panel()

# Класс для слушателя клавиатуры Android
if platform == 'android':
    from jnius import PythonJavaClass, java_method
    
    class KeyboardListener(PythonJavaClass):
        __javainterfaces__ = ['android/view/ViewTreeObserver$OnGlobalLayoutListener']
        __javacontext__ = 'app'
        
        def __init__(self, root_widget):
            super().__init__()
            self.root_widget = root_widget
        
        @java_method('()V')
        def onGlobalLayout(self):
            Clock.schedule_once(lambda dt: self.root_widget._measure_keyboard_height(dt), 0)

class SearchApplication(App):
    def build(self):
        return SearchApplicationUI()

if __name__ == '__main__':
    SearchApplication().run()