use easy_nostr::EasyNostr;
use serde::Serialize;

// Diese Struktur ist für den Transport zum Frontend (JSON)
#[derive(Serialize)]
pub struct LocalPost {
    pub content: String,
    pub author: String,
    pub created_at: u64,
}

#[tauri::command]
pub async fn fetch_nostr_posts() -> Result<Vec<LocalPost>, String> {
    // 1. Verbindung aufbauen
    let easy = EasyNostr::new("nsec1fkhszd5sv8yp6g966qdh5kuph25g4nn9pa2k5rwpuglt6rde8u8qwr3r87")
        .await
        .map_err(|e| e.to_string())?;

    // 2. Relays hinzufügen
    easy.add_relays(vec![
        "wss://relay.damus.io",
        "wss://nos.lol",
        "wss://relay.snort.social",
    ])
    .await
    .map_err(|e| e.to_string())?;

    // 3. Posts von der Library holen
    let raw_posts = easy.get_random_posts().await.map_err(|e| e.to_string())?;

    // 4. Mappen: Library-Typ -> Unser serialisierbarer Typ
    let mapped_posts = raw_posts
        .into_iter()
        .map(|p| LocalPost {
            content: p.content,
            author: p.author.to_string(),
            created_at: p.created_at.as_secs(), // Hier geändert von as_u64()
        })
        .collect();

    Ok(mapped_posts)
}