use config::AppConfig;
use db::cache::AppCache;
use db::database::AppDatabase;
use deadpool_redis::cluster::Pool as RedisPool;
use slog::Logger;
use tokio_util::sync::CancellationToken;

pub mod pool;
pub mod sync;
pub mod webhook_dispatch;

pub use pool::{HookWorker, PoolConfig, RedisConsumer};
pub use pool::types::{HookTask, TaskType};

/// Hook service that manages the Redis-backed task queue worker.
/// Multiple gitserver pods can run concurrently — the worker acquires a
/// per-repo Redis lock before processing each task.
#[derive(Clone)]
pub struct HookService {
    pub(crate) db: AppDatabase,
    pub(crate) cache: AppCache,
    pub(crate) redis_pool: RedisPool,
    pub(crate) logger: Logger,
    pub(crate) config: AppConfig,
}

impl HookService {
    pub fn new(
        db: AppDatabase,
        cache: AppCache,
        redis_pool: RedisPool,
        logger: Logger,
        config: AppConfig,
    ) -> Self {
        Self {
            db,
            cache,
            redis_pool,
            logger,
            config,
        }
    }

    /// Start the background worker and return a cancellation token.
    pub fn start_worker(&self) -> CancellationToken {
        let pool_config = PoolConfig::from_env(&self.config);
        pool::start_worker(
            self.db.clone(),
            self.cache.clone(),
            self.redis_pool.clone(),
            self.logger.clone(),
            pool_config,
        )
    }
}