import customtkinter as ctk

from app.config import APP_TITLE, MIN_HEIGHT, MIN_WIDTH, WINDOW_SIZE
from app.ui.accounts_frame import AccountsFrame
from app.ui.budgets_frame import BudgetsFrame
from app.ui.categories_frame import CategoriesFrame
from app.ui.dashboard_frame import DashboardFrame
from app.ui.reports_frame import ReportsFrame
from app.ui.subscriptions_frame import SubscriptionsFrame
from app.ui.transactions_frame import TransactionsFrame


class FinanceApp(ctk.CTk):
    def __init__(self) -> None:
        super().__init__()

        ctk.set_appearance_mode("dark")
        ctk.set_default_color_theme("blue")

        self.title(APP_TITLE)
        self.geometry(WINDOW_SIZE)
        self.minsize(MIN_WIDTH, MIN_HEIGHT)

        self.grid_columnconfigure(1, weight=1)
        self.grid_rowconfigure(0, weight=1)

        self.sidebar = ctk.CTkFrame(self, width=240, corner_radius=0)
        self.sidebar.grid(row=0, column=0, sticky="nsew")
        self.sidebar.grid_rowconfigure(9, weight=1)

        self.content = ctk.CTkFrame(self, fg_color="transparent")
        self.content.grid(row=0, column=1, sticky="nsew", padx=16, pady=16)
        self.content.grid_rowconfigure(0, weight=1)
        self.content.grid_columnconfigure(0, weight=1)

        self._build_sidebar()
        self._build_frames()
        self.show_frame("Главная")
        self.refresh_all()

    def _build_sidebar(self) -> None:
        title_label = ctk.CTkLabel(
            self.sidebar,
            text="Finance Control",
            font=ctk.CTkFont(size=24, weight="bold"),
        )
        title_label.grid(row=0, column=0, padx=20, pady=(24, 8), sticky="w")

        subtitle_label = ctk.CTkLabel(
            self.sidebar,
            text="курсовой проект",
            text_color="gray70",
        )
        subtitle_label.grid(row=1, column=0, padx=20, pady=(0, 16), sticky="w")

        pages = [
            "Главная",
            "Счета",
            "Категории",
            "Операции",
            "Подписки",
            "Бюджеты",
            "Отчёты",
        ]

        for index, page_name in enumerate(pages, start=2):
            button = ctk.CTkButton(
                self.sidebar,
                text=page_name,
                height=42,
                anchor="w",
                command=lambda name=page_name: self.show_frame(name),
            )
            button.grid(row=index, column=0, padx=20, pady=6, sticky="ew")

        theme_label = ctk.CTkLabel(
            self.sidebar,
            text="Тема",
            text_color="gray70",
        )
        theme_label.grid(row=10, column=0, padx=20, pady=(12, 6), sticky="w")

        self.theme_menu = ctk.CTkOptionMenu(
            self.sidebar,
            values=["Тёмная", "Светлая", "Системная"],
            command=self.change_theme,
        )
        self.theme_menu.set("Тёмная")
        self.theme_menu.grid(row=11, column=0, padx=20, pady=(0, 20), sticky="ew")

    def _build_frames(self) -> None:
        self.frames = {
            "Главная": DashboardFrame(self.content, self.refresh_all),
            "Счета": AccountsFrame(self.content, self.refresh_all),
            "Категории": CategoriesFrame(self.content, self.refresh_all),
            "Операции": TransactionsFrame(self.content, self.refresh_all),
            "Подписки": SubscriptionsFrame(self.content, self.refresh_all),
            "Бюджеты": BudgetsFrame(self.content, self.refresh_all),
            "Отчёты": ReportsFrame(self.content, self.refresh_all),
        }

        for frame in self.frames.values():
            frame.grid(row=0, column=0, sticky="nsew")

    def show_frame(self, name: str) -> None:
        frame = self.frames[name]
        if hasattr(frame, "refresh_data"):
            frame.refresh_data()
        frame.tkraise()

    def refresh_all(self) -> None:
        for frame in self.frames.values():
            if hasattr(frame, "refresh_data"):
                frame.refresh_data()

    @staticmethod
    def change_theme(theme_name: str) -> None:
        theme_map = {
            "Тёмная": "dark",
            "Светлая": "light",
            "Системная": "system",
        }
        ctk.set_appearance_mode(theme_map[theme_name])