use serenity::all::{ChunkGuildFilter, GuildId};
use serenity::{
  async_trait,
  client::{Context, EventHandler},
  model::gateway::{GatewayIntents, Ready},
  Client,
};
use skynet_discord_bot::common::database::{db_init, get_server_config_bulk, DataBase};
use skynet_discord_bot::common::set_roles::normal;
use skynet_discord_bot::{get_config, Config};
use std::{process, sync::Arc};
use tokio::sync::RwLock;

#[tokio::main]
async fn main() {
  let config = get_config();
  let db = match db_init(&config).await {
    Ok(x) => x,
    Err(_) => return,
  };

  // Intents are a bitflag, bitwise operations can be used to dictate which intents to use
  let intents = GatewayIntents::GUILDS | GatewayIntents::GUILD_MESSAGES | GatewayIntents::MESSAGE_CONTENT | GatewayIntents::GUILD_MEMBERS;
  // Build our client.
  let mut client = Client::builder(&config.discord_token, intents)
    .event_handler(Handler {})
    .cache_settings(serenity::cache::Settings::default())
    .await
    .expect("Error creating client");

  {
    let mut data = client.data.write().await;

    data.insert::<Config>(Arc::new(RwLock::new(config)));
    data.insert::<DataBase>(Arc::new(RwLock::new(db)));
  }

  if let Err(why) = client.start().await {
    println!("Client error: {:?}", why);
  }
}

struct Handler;
#[async_trait]
impl EventHandler for Handler {
  async fn cache_ready(&self, ctx: Context, guilds: Vec<GuildId>) {
    for guild in guilds {
      ctx.shard.chunk_guild(guild, Some(2000), false, ChunkGuildFilter::None, None);
    }
    println!("Cache built successfully!");
  }

  async fn ready(&self, ctx: Context, ready: Ready) {
    let ctx = Arc::new(ctx);
    println!("{} is connected!", ready.user.name);

    // this goes into each server and sets roles for each wolves member
    check_bulk(Arc::clone(&ctx)).await;

    // finish up
    process::exit(0);
  }
}

async fn check_bulk(ctx: Arc<Context>) {
  let db_lock = {
    let data_read = ctx.data.read().await;
    data_read.get::<DataBase>().expect("Expected Config in TypeMap.").clone()
  };

  let db = db_lock.read().await;

  for server_config in get_server_config_bulk(&db).await {
    normal::update_server(&ctx, &server_config, &[], &[]).await;
  }
}