mod common;
use std::sync::Arc;

use axum::{body::Body, http::StatusCode};
use common::*;
use http_body_util::BodyExt;
use pinakes_core::{config::PluginsConfig, plugin::PluginManager};
use tower::ServiceExt;

async fn setup_app_with_plugins()
-> (axum::Router, Arc<PluginManager>, tempfile::TempDir) {
  use pinakes_core::{
    cache::CacheLayer,
    config::RateLimitConfig,
    jobs::JobQueue,
    storage::{StorageBackend, sqlite::SqliteBackend},
  };
  use tokio::sync::RwLock;

  let backend = SqliteBackend::in_memory().expect("in-memory SQLite");
  backend.run_migrations().await.expect("migrations");
  let storage = Arc::new(backend) as pinakes_core::storage::DynStorageBackend;

  let temp_dir = tempfile::TempDir::new().expect("create temp dir");
  let data_dir = temp_dir.path().join("data");
  let cache_dir = temp_dir.path().join("cache");
  std::fs::create_dir_all(&data_dir).expect("create data dir");
  std::fs::create_dir_all(&cache_dir).expect("create cache dir");

  let plugin_config = PluginsConfig {
    enabled:                  true,
    data_dir:                 data_dir.clone(),
    cache_dir:                cache_dir.clone(),
    plugin_dirs:              vec![],
    enable_hot_reload:        false,
    allow_unsigned:           true,
    max_concurrent_ops:       2,
    plugin_timeout_secs:      10,
    timeouts:
      pinakes_core::config::PluginTimeoutConfig::default(),
    max_consecutive_failures: 5,
    trusted_keys:             vec![],
  };

  let plugin_manager =
    PluginManager::new(data_dir, cache_dir, plugin_config.clone().into())
      .expect("create plugin manager");
  let plugin_manager = Arc::new(plugin_manager);

  let mut config = default_config();
  config.plugins = plugin_config;

  let job_queue =
    JobQueue::new(1, 0, |_id, _kind, _cancel, _jobs| tokio::spawn(async {}));
  let config = Arc::new(RwLock::new(config));
  let scheduler = pinakes_core::scheduler::TaskScheduler::new(
    job_queue.clone(),
    tokio_util::sync::CancellationToken::new(),
    config.clone(),
    None,
  );

  let state = pinakes_server::state::AppState {
    storage,
    config,
    config_path: None,
    scan_progress: pinakes_core::scan::ScanProgress::new(),
    job_queue,
    cache: Arc::new(CacheLayer::new(60)),
    scheduler: Arc::new(scheduler),
    plugin_manager: Some(plugin_manager.clone()),
    plugin_pipeline: None,
    transcode_service: None,
    managed_storage: None,
    chunked_upload_manager: None,
    session_semaphore: Arc::new(tokio::sync::Semaphore::new(64)),
    webhook_dispatcher: None,
  };

  let router =
    pinakes_server::app::create_router(state, &RateLimitConfig::default());
  (router, plugin_manager, temp_dir)
}

#[tokio::test]
async fn test_list_plugins_empty() {
  let (app, _pm, _tmp) = setup_app_with_plugins().await;

  let response = app.oneshot(get("/api/v1/plugins")).await.unwrap();

  assert_eq!(response.status(), StatusCode::OK);
  let body = response.into_body().collect().await.unwrap().to_bytes();
  let plugins: Vec<serde_json::Value> = serde_json::from_slice(&body).unwrap();
  assert_eq!(plugins.len(), 0, "should start with no plugins loaded");
}

#[tokio::test]
async fn test_plugin_manager_exists() {
  let (app, _pm, _tmp) = setup_app_with_plugins().await;

  let plugins = _pm.list_plugins().await;
  assert_eq!(plugins.len(), 0);

  let response = app.oneshot(get("/api/v1/plugins")).await.unwrap();
  assert_eq!(response.status(), StatusCode::OK);
}

#[tokio::test]
async fn test_plugin_not_found() {
  let (app, _pm, _tmp) = setup_app_with_plugins().await;

  let response = app
    .oneshot(get("/api/v1/plugins/nonexistent"))
    .await
    .unwrap();

  assert_eq!(response.status(), StatusCode::NOT_FOUND);
}

#[tokio::test]
async fn test_plugin_enable_disable() {
  let (app, pm, _tmp) = setup_app_with_plugins().await;

  assert!(pm.list_plugins().await.is_empty());

  let mut req = axum::http::Request::builder()
    .method("POST")
    .uri("/api/v1/plugins/test-plugin/enable")
    .body(Body::empty())
    .unwrap();
  req.extensions_mut().insert(test_addr());

  let response = app.clone().oneshot(req).await.unwrap();

  assert_eq!(response.status(), StatusCode::NOT_FOUND);

  let mut req = axum::http::Request::builder()
    .method("POST")
    .uri("/api/v1/plugins/test-plugin/disable")
    .body(Body::empty())
    .unwrap();
  req.extensions_mut().insert(test_addr());

  let response = app.oneshot(req).await.unwrap();

  assert_eq!(response.status(), StatusCode::NOT_FOUND);
}

#[tokio::test]
async fn test_plugin_uninstall_not_found() {
  let (app, _pm, _tmp) = setup_app_with_plugins().await;

  let mut req = axum::http::Request::builder()
    .method("DELETE")
    .uri("/api/v1/plugins/nonexistent")
    .body(Body::empty())
    .unwrap();
  req.extensions_mut().insert(test_addr());

  let response = app.oneshot(req).await.unwrap();

  assert!(
    response.status() == StatusCode::BAD_REQUEST
      || response.status() == StatusCode::NOT_FOUND
  );
}