//! Stickers widget, used here for the emoji picker (reactions and insertion).

use serde_json::json;

use super::P;
use crate::{app::Ctx, db, utils};

pub fn build(_ctx: &Ctx) -> String {
    String::new()
}

pub async fn call(ctx: &Ctx, func: &str, p: &P<'_>) -> bool {
    match func {
        "ajaxReaction" => {
            let mid = p.i(0);
            let mut suggested = vec![];
            if let Some(mid) = mid {
                let me = ctx.jid();
                if let Ok(Some(m)) = db::message_by_mid(ctx.db(), &me, mid).await {
                    let reactions = db::reactions_for(ctx.db(), &[mid]).await.unwrap_or_default();
                    let mut emojis: Vec<String> = vec![];
                    // Emojis of the message body
                    let body = m.body.unwrap_or_default();
                    for e in body.split_whitespace().filter(|w| utils::is_single_emoji(w)) {
                        if !emojis.contains(&e.to_string()) {
                            emojis.push(e.to_string());
                        }
                    }
                    for r in reactions {
                        if !emojis.contains(&r.emoji) {
                            emojis.push(r.emoji);
                        }
                    }
                    for e in emojis {
                        let html = utils::replace_emojis(&e, &ctx.base_uri(), true);
                        if let Some((url, _)) = html.single {
                            suggested.push(json!({ "emoji": e, "url": url }));
                        }
                    }
                }
            }
            let html = ctx.render("Stickers/_stickers_emojis.html", json!({ "mid": mid, "suggested": suggested }));
            super::drawer(ctx, "emojis", &html, true, true);
            crate::rpc!(ctx, "Stickers.setEmojisEvent", mid);
        }
        "ajaxShow" => {
            // Sticker packs are not supported: show the emojis instead
            let html = ctx.render("Stickers/_stickers_emojis.html", json!({ "mid": null, "suggested": [] }));
            super::drawer(ctx, "emojis", &html, true, true);
            crate::rpc!(ctx, "Stickers.setEmojisEvent", serde_json::Value::Null);
        }
        _ => return false,
    }
    true
}