"""
Shared utility functions for the bot.
Extracts common logic to avoid duplication across cogs.
"""

from __future__ import annotations

import xml.etree.ElementTree as ET
from typing import TYPE_CHECKING

import aiohttp
import discord

if TYPE_CHECKING:
    from discord.ext import commands


# ═══════════════════════════════════════════════════════════════════════════════
# GAMING NEWS & FREE GAMES (shared between fun.py and events.py)
# ═══════════════════════════════════════════════════════════════════════════════

async def fetch_gaming_news() -> list[dict[str, str]]:
    """Fetch latest gaming news from GameSpot RSS feed."""
    url = "https://www.gamespot.com/feeds/mashup/"
    items: list[dict[str, str]] = []
    async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=15)) as session:
        async with session.get(url) as response:
            text = await response.text()
    root = ET.fromstring(text)
    for item in root.findall("./channel/item")[:8]:
        title = (item.findtext("title") or "").strip()
        link = (item.findtext("link") or "").strip()
        pub_date = (item.findtext("pubDate") or "").strip()
        nid = f"{title}|{pub_date}"
        if title and link:
            items.append({"id": nid, "title": title, "link": link, "pub_date": pub_date})
    return items


async def fetch_free_games() -> list[dict[str, str]]:
    """Fetch free game offers from GamerPower API with enhanced details."""
    url = "https://www.gamerpower.com/api/giveaways?type=game&sort-by=date"
    items: list[dict[str, str]] = []
    async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=15)) as session:
        async with session.get(url) as response:
            data = await response.json(content_type=None)
    if not isinstance(data, list):
        return items
    allowed_stores = ("epic games store", "steam", "gog")
    for item in data[:30]:
        gid = str(item.get("id", "")).strip()
        title = str(item.get("title", "")).strip()
        link = str(item.get("open_giveaway_url", "")).strip()
        platform = str(item.get("platforms", "Unknown")).strip()
        game_type = str(item.get("type", "Game")).strip() or "Game"
        image = str(item.get("thumbnail", "")).strip()
        end_date = str(item.get("end_date", "N/A")).strip()
        original_price = str(item.get("worth", "N/A")).strip() or "N/A"
        description = str(item.get("description", "")).strip() or "Claim this free game now!"
        platform_l = platform.lower()
        if gid and title and link and any(store in platform_l for store in allowed_stores):
            items.append({
                "id": gid,
                "title": title,
                "link": link,
                "platform": platform,
                "game_type": game_type,
                "image": image,
                "end_date": end_date,
                "original_price": original_price,
                "description": description[:200],
            })
        if len(items) >= 12:
            break
    return items


def store_icon(platform: str) -> str:
    """Get store icon URL for a platform name."""
    platform_l = (platform or "").lower()
    if "epic" in platform_l:
        return "https://upload.wikimedia.org/wikipedia/commons/3/31/Epic_Games_logo.svg"
    if "steam" in platform_l:
        return "https://upload.wikimedia.org/wikipedia/commons/8/83/Steam_icon_logo.svg"
    if "gog" in platform_l:
        return "https://upload.wikimedia.org/wikipedia/commons/7/7f/GOG.com_logo.svg"
    return "https://upload.wikimedia.org/wikipedia/commons/5/59/Empty.png"


# ═══════════════════════════════════════════════════════════════════════════════
# FREE GAME CLAIM VIEW (shared between fun.py and events.py)
# ═══════════════════════════════════════════════════════════════════════════════

class FreeGameClaimView(discord.ui.View):
    """Enhanced view with claim and currency buttons for free games."""
    def __init__(self, url: str, game_id: str = "") -> None:
        super().__init__(timeout=None)
        claim_btn = discord.ui.Button(label="🎮 Claim Game", style=discord.ButtonStyle.link, url=url)
        self.add_item(claim_btn)
        if game_id:
            currency_btn = discord.ui.Button(label="💰 Use Currency", style=discord.ButtonStyle.primary, custom_id=f"freegame:currency:{game_id}")
            self.add_item(currency_btn)