from bot.api.asf import get_bot_inventory
from bot.constants import PAGE_SIZE
from bot.logging_utils import get_logger
from bot.ui.formatters import get_inventory_icon
from bot.ui.keyboards import inventory_menu_keyboard, inventory_page_keyboard

logger = get_logger(__name__)


async def build_inventory_menu(bot_name: str, account_id: int) -> tuple[str, object]:
    logger.info("Формирование меню инвентаря: bot=%s", bot_name)
    cs2_inventory = await get_bot_inventory(bot_name, 730, 2)
    steam_inventory = await get_bot_inventory(bot_name, 753, 6)
    cs2_assets = []
    steam_assets = []
    try:
        cs2_assets = cs2_inventory.get(bot_name, {}).get("Assets", [])
    except Exception:
        logger.exception("Ошибка чтения CS2-инвентаря: bot=%s", bot_name)
    try:
        steam_assets = steam_inventory.get(bot_name, {}).get("Assets", [])
    except Exception:
        logger.exception("Ошибка чтения Steam-инвентаря: bot=%s", bot_name)
    if not cs2_assets and not steam_assets:
        logger.info("Инвентарь пуст: bot=%s", bot_name)
        return (
            f"📦 Инвентарь {bot_name} пуст",
            inventory_menu_keyboard(account_id, 0, 0),
        )
    logger.info(
        "Меню инвентаря сформировано: bot=%s cs2_items=%s steam_items=%s",
        bot_name,
        len(cs2_assets),
        len(steam_assets),
    )
    text = (
        f"📦 Инвентарь {bot_name}\n\n"
        "🔄 — можно трейдить\n"
        "💰 — можно продавать\n"
        "🔒 — нельзя продавать\n"
        "❌ — нельзя трейдить"
    )
    return text, inventory_menu_keyboard(account_id, len(cs2_assets), len(steam_assets))


async def render_inventory_page(
    bot_name: str, inventory_type: str, appid: int, contextid: int, page: int, account_id: int
) -> tuple[str, object] | tuple[None, None]:
    logger.info(
        "Формирование страницы инвентаря: bot=%s type=%s appid=%s contextid=%s page=%s",
        bot_name,
        inventory_type,
        appid,
        contextid,
        page,
    )
    inventory = await get_bot_inventory(bot_name, appid, contextid)
    if not inventory:
        logger.warning(
            "Не удалось получить данные для страницы инвентаря: bot=%s type=%s page=%s",
            bot_name,
            inventory_type,
            page,
        )
        return None, None
    bot_inventory = inventory.get(bot_name, {})
    assets = bot_inventory.get("Assets", [])
    descriptions = bot_inventory.get("Descriptions", [])
    if not assets:
        logger.info(
            "Инвентарь выбранного типа пуст: bot=%s type=%s", bot_name, inventory_type
        )
        return f"Инвентарь {bot_name} пуст", inventory_menu_keyboard(account_id, 0, 0)
    desc_map = {}
    for desc in descriptions:
        key = (str(desc.get("classid")), str(desc.get("instanceid")))
        desc_map[key] = desc
    total_pages = (len(assets) + PAGE_SIZE - 1) // PAGE_SIZE
    start = page * PAGE_SIZE
    end = start + PAGE_SIZE
    page_assets = assets[start:end]
    lines = []
    marketable_count = 0
    tradable_count = 0
    cards_count = 0
    emotes_count = 0
    backgrounds_count = 0
    gems_count = 0
    for asset in page_assets:
        key = (str(asset.get("classid")), str(asset.get("instanceid")))
        desc = desc_map.get(key, {})
        name = desc.get("market_name", "Неизвестно")
        amount = asset.get("amount", 1)
        tradable = "🔄" if desc.get("tradable") else "❌"
        marketable = "💰" if desc.get("marketable") else "🔒"
        icon = get_inventory_icon(desc)
        if desc.get("marketable"):
            marketable_count += 1
        if desc.get("tradable"):
            tradable_count += 1
        if icon == "🎏":
            cards_count += amount
        elif icon == "😀":
            emotes_count += amount
        elif icon == "🖼":
            backgrounds_count += amount
        elif icon == "💎":
            gems_count += amount
        lines.append(f"{icon} {tradable}{marketable} {name} x{amount}")

    inv_name = "CS2" if appid == 730 else "Steam"
    stats = (
        f"📦 Предметов: {len(assets)}\n"
        f"💰 Можно продать: {marketable_count}\n"
        f"🔄 Можно трейдить: {tradable_count}"
    )

    if appid == 753:
        stats += (
            f"\n🎏 Карточек: {cards_count}"
            f"\n😀 Смайлов: {emotes_count}"
            f"\n🖼 Фонов: {backgrounds_count}"
            f"\n💎 Самоцветов: {gems_count}"
        )

    text = (
        f"📦 Инвентарь {inv_name} {bot_name}\n"
        f"📄 Страница {page + 1}/{total_pages}\n\n"
        f"{stats}\n\n" + "\n".join(lines)
    )

    logger.info(
        "Страница инвентаря сформирована: bot=%s type=%s page=%s total_pages=%s items_on_page=%s",
        bot_name,
        inventory_type,
        page,
        total_pages,
        len(page_assets),
    )

    return text[:4000], inventory_page_keyboard(
        inventory_type, account_id, page, total_pages
    )