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path: root/src/frankerfacez.rs
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use reqwest::{Client, Error};
use serde_json::Value;

use crate::emotes::{Emote, RetrieveEmoteAPI};

pub struct FrankerFaceZAPIClient {
    client: Client,
    base_url: String,
}

impl FrankerFaceZAPIClient {
    pub fn new() -> Self {
        Self {
            client: Client::new(),
            base_url: "https://api.frankerfacez.com/v1".into(),
        }
    }

    fn parse_emoteset(&self, emotesets_json: &Value) -> Vec<Emote> {
        let mut emotes = Vec::new();

        for (_, set) in emotesets_json.as_object().unwrap() {
            let emoticons = set.get("emoticons").unwrap().as_array().unwrap();

            for emoticon in emoticons {
                let emote = Emote {
                    id: emoticon.get("id").unwrap().as_i64().unwrap().to_string(),
                    code: emoticon.get("name").unwrap().as_str().unwrap().to_string(),
                    original_code: None,
                };

                emotes.push(emote);
            }
        }

        emotes
    }
}

impl RetrieveEmoteAPI<Emote> for FrankerFaceZAPIClient {
    async fn get_channel_emotes(&self, channel_id: &str) -> Result<Vec<Emote>, Error> {
        let response = self
            .client
            .get(format!("{}/room/id/{}", self.base_url, channel_id))
            .send()
            .await?
            .error_for_status()?;

        let json: Value = response.json().await?;

        let sets = json.get("sets").unwrap();

        let emotes = self.parse_emoteset(sets);

        Ok(emotes)
    }

    async fn get_global_emotes(&self) -> Result<Vec<Emote>, Error> {
        let response = self
            .client
            .get(format!("{}/set/global", self.base_url))
            .send()
            .await?
            .error_for_status()?;

        let json: Value = response.json().await?;
        let sets = json.get("sets").unwrap();

        let emotes = self.parse_emoteset(sets);

        Ok(emotes)
    }
}