from __future__ import annotations

from aiogram.types import InlineKeyboardButton, InlineKeyboardMarkup, KeyboardButton, ReplyKeyboardMarkup

from app.categories import EXPENSE_CATEGORIES, category_label
from app.domain import BudgetCategory


MONTH_TOTAL = "📅 Итог за месяц"
ALL_TOTAL = "💰 Итог общий"
ANALYTICS = "📊 Аналитика"
RECENT = "🧾 Последние записи"
FAMILY = "👨‍👩‍👧 Семья"
DEBT = "💳 Общий долг"
CATEGORIES = "🗂 Категории"
HELP = "❓ Помощь"


def main_keyboard() -> ReplyKeyboardMarkup:
    return ReplyKeyboardMarkup(
        keyboard=[
            [KeyboardButton(text=MONTH_TOTAL), KeyboardButton(text=ALL_TOTAL)],
            [KeyboardButton(text=ANALYTICS), KeyboardButton(text=RECENT)],
            [KeyboardButton(text=FAMILY), KeyboardButton(text=DEBT)],
            [KeyboardButton(text=CATEGORIES), KeyboardButton(text=HELP)],
        ],
        resize_keyboard=True,
        input_field_placeholder="Например: 467 ярче",
        is_persistent=True,
    )


def family_setup_keyboard() -> InlineKeyboardMarkup:
    return InlineKeyboardMarkup(
        inline_keyboard=[
            [InlineKeyboardButton(text="Создать общий бюджет", callback_data="family:create")],
            [InlineKeyboardButton(text="Ввести код супруга", callback_data="family:join")],
        ]
    )


def family_approval_keyboard(candidate_user_id: int) -> InlineKeyboardMarkup:
    return InlineKeyboardMarkup(
        inline_keyboard=[
            [
                InlineKeyboardButton(
                    text="✅ Подтвердить",
                    callback_data=f"family:approve:{candidate_user_id}",
                ),
                InlineKeyboardButton(
                    text="🚫 Отклонить",
                    callback_data=f"family:reject:{candidate_user_id}",
                ),
            ]
        ]
    )


def debt_keyboard(can_edit: bool) -> InlineKeyboardMarkup | None:
    if not can_edit:
        return None
    return InlineKeyboardMarkup(
        inline_keyboard=[
            [InlineKeyboardButton(text="✏️ Указать текущий долг", callback_data="debt:set")]
        ]
    )


def category_tree_keyboard(
    transaction_id: int, categories: list[BudgetCategory]
) -> InlineKeyboardMarkup:
    rows: list[list[InlineKeyboardButton]] = []
    for category in categories:
        if category.parent_name:
            text = f"↳ {category.icon} {category.name}"
        else:
            text = f"{category.icon} {category.name}"
        rows.append(
            [
                InlineKeyboardButton(
                    text=text,
                    callback_data=f"bcat:{transaction_id}:{category.id}",
                )
            ]
        )
    rows.append([InlineKeyboardButton(text="Отмена", callback_data=f"cancel:{transaction_id}")])
    return InlineKeyboardMarkup(inline_keyboard=rows)


def category_management_keyboard() -> InlineKeyboardMarkup:
    return InlineKeyboardMarkup(
        inline_keyboard=[
            [InlineKeyboardButton(text="➕ Добавить категорию", callback_data="catmanage:add-main")],
            [InlineKeyboardButton(text="↳ Добавить подкатегорию", callback_data="catmanage:add-sub")],
        ]
    )


def category_kind_keyboard() -> InlineKeyboardMarkup:
    return InlineKeyboardMarkup(
        inline_keyboard=[
            [
                InlineKeyboardButton(text="↘️ Расход", callback_data="catmanage:kind:expense"),
                InlineKeyboardButton(text="↗️ Доход", callback_data="catmanage:kind:income"),
            ],
            [InlineKeyboardButton(text="Отмена", callback_data="catmanage:cancel")],
        ]
    )


def parent_category_keyboard(categories: list[BudgetCategory]) -> InlineKeyboardMarkup:
    parents = [category for category in categories if category.parent_id is None]
    return InlineKeyboardMarkup(
        inline_keyboard=[
            [
                InlineKeyboardButton(
                    text=f"{category.icon} {category.name}",
                    callback_data=f"catmanage:parent:{category.id}",
                )
            ]
            for category in parents
        ]
        + [[InlineKeyboardButton(text="Отмена", callback_data="catmanage:cancel")]]
    )


def transaction_actions(transaction_id: int, *, is_expense: bool) -> InlineKeyboardMarkup:
    # In a family budget, selecting a category may also change the operation type.
    # Keep this action available for both current expenses and current incomes.
    buttons: list[InlineKeyboardButton] = [
        InlineKeyboardButton(text="Изменить категорию", callback_data=f"choose:{transaction_id}")
    ]
    buttons.append(InlineKeyboardButton(text="Удалить", callback_data=f"delete:{transaction_id}"))
    return InlineKeyboardMarkup(inline_keyboard=[buttons])


def category_keyboard(transaction_id: int) -> InlineKeyboardMarkup:
    rows = []
    categories = list(EXPENSE_CATEGORIES)
    for index in range(0, len(categories), 2):
        rows.append(
            [
                InlineKeyboardButton(
                    text=category_label(category),
                    callback_data=f"category:{transaction_id}:{category.value}",
                )
                for category in categories[index : index + 2]
            ]
        )
    rows.append([InlineKeyboardButton(text="Отмена", callback_data=f"cancel:{transaction_id}")])
    return InlineKeyboardMarkup(inline_keyboard=rows)


def analytics_period_keyboard(active: str = "month") -> InlineKeyboardMarkup:
    month_label = "✓ Этот месяц" if active == "month" else "Этот месяц"
    all_label = "✓ Всё время" if active == "all" else "Всё время"
    return InlineKeyboardMarkup(
        inline_keyboard=[
            [
                InlineKeyboardButton(text=month_label, callback_data="analytics:month"),
                InlineKeyboardButton(text=all_label, callback_data="analytics:all"),
            ]
        ]
    )