from sqlalchemy.orm import Session

from app.homelab.openmeteo import OpenMeteoClient, format_weather_snapshot
from app.homelab.rss import RssClient


def build_morning_digest(db: Session, *, include_news: bool = True) -> str:
    del db  # timezone resolved via weather client / profile in future extensions
    weather_client = OpenMeteoClient()
    weather = weather_client.fetch_forecast(hours_ahead=12, days_ahead=7)

    lines = ["🌤 **Утренний дайджест**", ""]

    if weather.get("ok"):
        cur = weather.get("current") or {}
        lines.append(
            f"**Погода ({weather.get('location')})**: "
            f"{cur.get('temperature_c')}°C, {cur.get('conditions')}, "
            f"ветер {cur.get('wind_speed_kmh')} км/ч."
        )
        lines.append(weather_client.rain_summary(hours_ahead=12, daily=weather.get("daily")))
        daily = weather_client.daily_summary(days_ahead=7)
        if daily:
            lines.append(f"**На неделю**: {daily}")
    else:
        lines.append(f"**Погода**: недоступна ({weather.get('error', 'ошибка')}).")

    if include_news:
        headlines = RssClient().fetch_headlines(limit=7)
        lines.append("")
        if headlines:
            lines.append("**Новости:**")
            for item in headlines:
                title = item.get("title", "")
                link = item.get("link", "")
                source = item.get("source", "")
                if link:
                    lines.append(f"- [{title}]({link}) — {source}")
                else:
                    lines.append(f"- {title} — {source}")
        else:
            lines.append("**Новости**: ленты временно недоступны.")

    return "\n".join(lines)


def build_weather_briefing(hours_ahead: int = 12, days_ahead: int = 7, include_news: bool = False) -> dict:
    client = OpenMeteoClient()
    weather = client.fetch_forecast(hours_ahead=hours_ahead, days_ahead=days_ahead)
    result = {
        "weather": weather,
        "rain_summary": client.rain_summary(hours_ahead=hours_ahead, daily=weather.get("daily")) if weather.get("ok") else "",
        "daily_summary": client.daily_summary(days_ahead=days_ahead) if weather.get("ok") else "",
        "context": format_weather_snapshot(weather),
    }
    if include_news:
        result["news"] = RssClient().fetch_headlines(limit=7)
    return result