use crate::{
    errors::DomainError,
    events::DomainEvent,
    models::{
        api_key::ApiKey,
        feed::{FeedEntry, PageParams, Paginated, UserSummary},
        notification::Notification,
        remote_actor::RemoteActor,
        social::{Block, Boost, Follow, FollowState, Like},
        tag::Tag,
        thought::Thought,
        top_friend::TopFriend,
        user::User,
    },
    ports::*,
    value_objects::{
        ApiKeyId, Content, Email, NotificationId, PasswordHash, ThoughtId, UserId, Username,
    },
};
use async_trait::async_trait;
use chrono::Utc;
use std::sync::{Arc, Mutex};
use url;

#[derive(Default, Clone)]
pub struct TestStore {
    pub users: Arc<Mutex<Vec<User>>>,
    pub thoughts: Arc<Mutex<Vec<Thought>>>,
    pub likes: Arc<Mutex<Vec<Like>>>,
    pub boosts: Arc<Mutex<Vec<Boost>>>,
    pub follows: Arc<Mutex<Vec<Follow>>>,
    pub blocks: Arc<Mutex<Vec<Block>>>,
    pub tags: Arc<Mutex<Vec<Tag>>>,
    pub api_keys: Arc<Mutex<Vec<ApiKey>>>,
    pub top_friends: Arc<Mutex<Vec<TopFriend>>>,
    pub notifications: Arc<Mutex<Vec<Notification>>>,
    pub events: Arc<Mutex<Vec<DomainEvent>>>,
}

#[async_trait]
impl UserRepository for TestStore {
    async fn find_by_id(&self, id: &UserId) -> Result<Option<User>, DomainError> {
        Ok(self
            .users
            .lock()
            .unwrap()
            .iter()
            .find(|u| &u.id == id)
            .cloned())
    }
    async fn find_by_username(&self, username: &Username) -> Result<Option<User>, DomainError> {
        Ok(self
            .users
            .lock()
            .unwrap()
            .iter()
            .find(|u| u.username.as_str() == username.as_str())
            .cloned())
    }
    async fn find_by_email(&self, email: &Email) -> Result<Option<User>, DomainError> {
        Ok(self
            .users
            .lock()
            .unwrap()
            .iter()
            .find(|u| u.email.as_str() == email.as_str())
            .cloned())
    }
    async fn save(&self, user: &User) -> Result<(), DomainError> {
        let mut g = self.users.lock().unwrap();
        g.retain(|u| u.id != user.id);
        g.push(user.clone());
        Ok(())
    }
    async fn update_profile(
        &self,
        user_id: &UserId,
        display_name: Option<String>,
        bio: Option<String>,
        avatar_url: Option<String>,
        header_url: Option<String>,
        custom_css: Option<String>,
    ) -> Result<(), DomainError> {
        if let Some(u) = self
            .users
            .lock()
            .unwrap()
            .iter_mut()
            .find(|u| &u.id == user_id)
        {
            u.display_name = display_name;
            u.bio = bio;
            u.avatar_url = avatar_url;
            u.header_url = header_url;
            u.custom_css = custom_css;
        }
        Ok(())
    }
    async fn list_with_stats(&self) -> Result<Vec<UserSummary>, DomainError> {
        Ok(vec![])
    }
    async fn count(&self) -> Result<i64, DomainError> {
        Ok(self
            .users
            .lock()
            .unwrap()
            .iter()
            .filter(|u| u.local)
            .count() as i64)
    }
}

#[async_trait]
impl ThoughtRepository for TestStore {
    async fn save(&self, t: &Thought) -> Result<(), DomainError> {
        let mut g = self.thoughts.lock().unwrap();
        g.retain(|x| x.id != t.id);
        g.push(t.clone());
        Ok(())
    }
    async fn find_by_id(&self, id: &ThoughtId) -> Result<Option<Thought>, DomainError> {
        Ok(self
            .thoughts
            .lock()
            .unwrap()
            .iter()
            .find(|t| &t.id == id)
            .cloned())
    }
    async fn delete(&self, id: &ThoughtId, user_id: &UserId) -> Result<(), DomainError> {
        let mut g = self.thoughts.lock().unwrap();
        let before = g.len();
        g.retain(|t| !(&t.id == id && &t.user_id == user_id));
        if g.len() == before {
            return Err(DomainError::NotFound);
        }
        Ok(())
    }
    async fn update_content(&self, id: &ThoughtId, content: &Content) -> Result<(), DomainError> {
        if let Some(t) = self
            .thoughts
            .lock()
            .unwrap()
            .iter_mut()
            .find(|t| &t.id == id)
        {
            t.content = content.clone();
            t.updated_at = Some(Utc::now());
        }
        Ok(())
    }
    async fn get_thread(&self, id: &ThoughtId) -> Result<Vec<Thought>, DomainError> {
        Ok(self
            .thoughts
            .lock()
            .unwrap()
            .iter()
            .filter(|t| t.in_reply_to_id.as_ref() == Some(id) || &t.id == id)
            .cloned()
            .collect())
    }
    async fn list_by_user(
        &self,
        _user_id: &UserId,
        _page: &PageParams,
    ) -> Result<Paginated<Thought>, DomainError> {
        Ok(Paginated {
            items: vec![],
            total: 0,
            page: 1,
            per_page: 20,
        })
    }
}

#[async_trait]
impl LikeRepository for TestStore {
    async fn save(&self, like: &Like) -> Result<(), DomainError> {
        let mut g = self.likes.lock().unwrap();
        if g.iter()
            .any(|l| l.user_id == like.user_id && l.thought_id == like.thought_id)
        {
            return Err(DomainError::Conflict("already liked".into()));
        }
        g.push(like.clone());
        Ok(())
    }
    async fn delete(&self, user_id: &UserId, thought_id: &ThoughtId) -> Result<(), DomainError> {
        let mut g = self.likes.lock().unwrap();
        let before = g.len();
        g.retain(|l| !(&l.user_id == user_id && &l.thought_id == thought_id));
        if g.len() == before {
            return Err(DomainError::NotFound);
        }
        Ok(())
    }
    async fn find(
        &self,
        user_id: &UserId,
        thought_id: &ThoughtId,
    ) -> Result<Option<Like>, DomainError> {
        Ok(self
            .likes
            .lock()
            .unwrap()
            .iter()
            .find(|l| &l.user_id == user_id && &l.thought_id == thought_id)
            .cloned())
    }
    async fn count_for_thought(&self, thought_id: &ThoughtId) -> Result<i64, DomainError> {
        Ok(self
            .likes
            .lock()
            .unwrap()
            .iter()
            .filter(|l| &l.thought_id == thought_id)
            .count() as i64)
    }
}

#[async_trait]
impl BoostRepository for TestStore {
    async fn save(&self, boost: &Boost) -> Result<(), DomainError> {
        let mut g = self.boosts.lock().unwrap();
        if g.iter()
            .any(|b| b.user_id == boost.user_id && b.thought_id == boost.thought_id)
        {
            return Err(DomainError::Conflict("already boosted".into()));
        }
        g.push(boost.clone());
        Ok(())
    }
    async fn delete(&self, user_id: &UserId, thought_id: &ThoughtId) -> Result<(), DomainError> {
        let mut g = self.boosts.lock().unwrap();
        let before = g.len();
        g.retain(|b| !(&b.user_id == user_id && &b.thought_id == thought_id));
        if g.len() == before {
            return Err(DomainError::NotFound);
        }
        Ok(())
    }
    async fn find(
        &self,
        user_id: &UserId,
        thought_id: &ThoughtId,
    ) -> Result<Option<Boost>, DomainError> {
        Ok(self
            .boosts
            .lock()
            .unwrap()
            .iter()
            .find(|b| &b.user_id == user_id && &b.thought_id == thought_id)
            .cloned())
    }
    async fn count_for_thought(&self, thought_id: &ThoughtId) -> Result<i64, DomainError> {
        Ok(self
            .boosts
            .lock()
            .unwrap()
            .iter()
            .filter(|b| &b.thought_id == thought_id)
            .count() as i64)
    }
}

#[async_trait]
impl FollowRepository for TestStore {
    async fn save(&self, follow: &Follow) -> Result<(), DomainError> {
        let mut g = self.follows.lock().unwrap();
        g.retain(|f| {
            !(f.follower_id == follow.follower_id && f.following_id == follow.following_id)
        });
        g.push(follow.clone());
        Ok(())
    }
    async fn delete(&self, follower_id: &UserId, following_id: &UserId) -> Result<(), DomainError> {
        let mut g = self.follows.lock().unwrap();
        let before = g.len();
        g.retain(|f| !(&f.follower_id == follower_id && &f.following_id == following_id));
        if g.len() == before {
            return Err(DomainError::NotFound);
        }
        Ok(())
    }
    async fn find(
        &self,
        follower_id: &UserId,
        following_id: &UserId,
    ) -> Result<Option<Follow>, DomainError> {
        Ok(self
            .follows
            .lock()
            .unwrap()
            .iter()
            .find(|f| &f.follower_id == follower_id && &f.following_id == following_id)
            .cloned())
    }
    async fn update_state(
        &self,
        follower_id: &UserId,
        following_id: &UserId,
        state: &FollowState,
    ) -> Result<(), DomainError> {
        if let Some(f) = self
            .follows
            .lock()
            .unwrap()
            .iter_mut()
            .find(|f| &f.follower_id == follower_id && &f.following_id == following_id)
        {
            f.state = state.clone();
        }
        Ok(())
    }
    async fn list_followers(
        &self,
        _user_id: &UserId,
        _p: &PageParams,
    ) -> Result<Paginated<User>, DomainError> {
        Ok(Paginated {
            items: vec![],
            total: 0,
            page: 1,
            per_page: 20,
        })
    }
    async fn list_following(
        &self,
        _user_id: &UserId,
        _p: &PageParams,
    ) -> Result<Paginated<User>, DomainError> {
        Ok(Paginated {
            items: vec![],
            total: 0,
            page: 1,
            per_page: 20,
        })
    }
    async fn get_accepted_following_ids(
        &self,
        user_id: &UserId,
    ) -> Result<Vec<UserId>, DomainError> {
        Ok(self
            .follows
            .lock()
            .unwrap()
            .iter()
            .filter(|f| &f.follower_id == user_id && f.state == FollowState::Accepted)
            .map(|f| f.following_id.clone())
            .collect())
    }
}

#[async_trait]
impl BlockRepository for TestStore {
    async fn save(&self, block: &Block) -> Result<(), DomainError> {
        self.blocks.lock().unwrap().push(block.clone());
        Ok(())
    }
    async fn delete(&self, blocker_id: &UserId, blocked_id: &UserId) -> Result<(), DomainError> {
        self.blocks
            .lock()
            .unwrap()
            .retain(|b| !(&b.blocker_id == blocker_id && &b.blocked_id == blocked_id));
        Ok(())
    }
    async fn exists(&self, blocker_id: &UserId, blocked_id: &UserId) -> Result<bool, DomainError> {
        Ok(self
            .blocks
            .lock()
            .unwrap()
            .iter()
            .any(|b| &b.blocker_id == blocker_id && &b.blocked_id == blocked_id))
    }
}

#[async_trait]
impl TagRepository for TestStore {
    async fn find_or_create(&self, name: &str) -> Result<Tag, DomainError> {
        let mut g = self.tags.lock().unwrap();
        if let Some(t) = g.iter().find(|t| t.name == name) {
            return Ok(t.clone());
        }
        let tag = Tag {
            id: g.len() as i32 + 1,
            name: name.to_string(),
        };
        g.push(tag.clone());
        Ok(tag)
    }
    async fn attach_to_thought(&self, _tid: &ThoughtId, _tag_id: i32) -> Result<(), DomainError> {
        Ok(())
    }
    async fn detach_from_thought(&self, _tid: &ThoughtId) -> Result<(), DomainError> {
        Ok(())
    }
    async fn list_for_thought(&self, _tid: &ThoughtId) -> Result<Vec<Tag>, DomainError> {
        Ok(vec![])
    }
    async fn list_thoughts_by_tag(
        &self,
        _name: &str,
        _p: &PageParams,
    ) -> Result<Paginated<Thought>, DomainError> {
        Ok(Paginated {
            items: vec![],
            total: 0,
            page: 1,
            per_page: 20,
        })
    }
    async fn popular_tags(&self, _limit: usize) -> Result<Vec<(String, i64)>, DomainError> {
        Ok(vec![])
    }
}

#[async_trait]
impl ApiKeyRepository for TestStore {
    async fn save(&self, key: &ApiKey) -> Result<(), DomainError> {
        self.api_keys.lock().unwrap().push(key.clone());
        Ok(())
    }
    async fn find_by_hash(&self, hash: &str) -> Result<Option<ApiKey>, DomainError> {
        Ok(self
            .api_keys
            .lock()
            .unwrap()
            .iter()
            .find(|k| k.key_hash == hash)
            .cloned())
    }
    async fn list_for_user(&self, uid: &UserId) -> Result<Vec<ApiKey>, DomainError> {
        Ok(self
            .api_keys
            .lock()
            .unwrap()
            .iter()
            .filter(|k| &k.user_id == uid)
            .cloned()
            .collect())
    }
    async fn delete(&self, id: &ApiKeyId, uid: &UserId) -> Result<(), DomainError> {
        self.api_keys
            .lock()
            .unwrap()
            .retain(|k| !(&k.id == id && &k.user_id == uid));
        Ok(())
    }
}

#[async_trait]
impl TopFriendRepository for TestStore {
    async fn set_top_friends(
        &self,
        user_id: &UserId,
        friends: Vec<(UserId, i16)>,
    ) -> Result<(), DomainError> {
        let mut g = self.top_friends.lock().unwrap();
        g.retain(|tf| &tf.user_id != user_id);
        for (fid, pos) in friends {
            g.push(TopFriend {
                user_id: user_id.clone(),
                friend_id: fid,
                position: pos,
            });
        }
        Ok(())
    }
    async fn list_for_user(&self, _uid: &UserId) -> Result<Vec<(TopFriend, User)>, DomainError> {
        Ok(vec![])
    }
}

#[async_trait]
impl NotificationRepository for TestStore {
    async fn save(&self, n: &Notification) -> Result<(), DomainError> {
        self.notifications.lock().unwrap().push(n.clone());
        Ok(())
    }
    async fn list_for_user(
        &self,
        uid: &UserId,
        _p: &PageParams,
    ) -> Result<Paginated<Notification>, DomainError> {
        let items: Vec<_> = self
            .notifications
            .lock()
            .unwrap()
            .iter()
            .filter(|n| &n.user_id == uid)
            .cloned()
            .collect();
        let total = items.len() as i64;
        Ok(Paginated {
            items,
            total,
            page: 1,
            per_page: 20,
        })
    }
    async fn mark_read(&self, id: &NotificationId, _uid: &UserId) -> Result<(), DomainError> {
        if let Some(n) = self
            .notifications
            .lock()
            .unwrap()
            .iter_mut()
            .find(|n| &n.id == id)
        {
            n.read = true;
        }
        Ok(())
    }
    async fn mark_all_read(&self, uid: &UserId) -> Result<(), DomainError> {
        for n in self
            .notifications
            .lock()
            .unwrap()
            .iter_mut()
            .filter(|n| &n.user_id == uid)
        {
            n.read = true;
        }
        Ok(())
    }
}

#[async_trait]
impl RemoteActorRepository for TestStore {
    async fn upsert(&self, _a: &RemoteActor) -> Result<(), DomainError> {
        Ok(())
    }
    async fn find_by_url(&self, _url: &str) -> Result<Option<RemoteActor>, DomainError> {
        Ok(None)
    }
}

#[async_trait]
impl FederationActionPort for TestStore {
    async fn lookup_actor(&self, _handle: &str) -> Result<RemoteActor, DomainError> {
        Err(DomainError::NotFound)
    }

    async fn follow_remote(
        &self,
        _local_user_id: &UserId,
        _handle: &str,
    ) -> Result<(), DomainError> {
        Ok(())
    }

    async fn actor_json(&self, _user_id: &UserId) -> Result<String, DomainError> {
        Err(DomainError::NotFound)
    }

    async fn followers_collection_json(
        &self,
        _user_id: &UserId,
        _page: Option<u32>,
    ) -> Result<String, DomainError> {
        Err(DomainError::NotFound)
    }

    async fn following_collection_json(
        &self,
        _user_id: &UserId,
        _page: Option<u32>,
    ) -> Result<String, DomainError> {
        Err(DomainError::NotFound)
    }

    async fn fetch_outbox_page(
        &self,
        _outbox_url: &str,
        _page: u32,
    ) -> Result<Vec<crate::models::remote_note::RemoteNote>, DomainError> {
        Ok(vec![])
    }

    async fn fetch_actor_urls_from_collection(
        &self,
        _collection_url: &str,
    ) -> Result<Vec<String>, DomainError> {
        Ok(vec![])
    }

    async fn resolve_actor_profiles(
        &self,
        _urls: Vec<String>,
    ) -> Vec<crate::models::actor_connection_summary::ActorConnectionSummary> {
        vec![]
    }
}

#[async_trait]
impl RemoteActorConnectionRepository for TestStore {
    async fn upsert_connections(
        &self,
        _actor_url: &str,
        _connection_type: &str,
        _page: u32,
        _actors: &[crate::models::actor_connection_summary::ActorConnectionSummary],
    ) -> Result<(), DomainError> {
        Ok(())
    }

    async fn list_connections(
        &self,
        _actor_url: &str,
        _connection_type: &str,
        _page: u32,
    ) -> Result<Vec<crate::models::actor_connection_summary::ActorConnectionSummary>, DomainError>
    {
        Ok(vec![])
    }

    async fn connection_page_age(
        &self,
        _actor_url: &str,
        _connection_type: &str,
        _page: u32,
    ) -> Result<Option<chrono::DateTime<chrono::Utc>>, DomainError> {
        Ok(None)
    }
}

#[async_trait]
impl FeedRepository for TestStore {
    async fn home_feed(
        &self,
        _ids: &[UserId],
        _p: &PageParams,
        _v: Option<&UserId>,
    ) -> Result<Paginated<FeedEntry>, DomainError> {
        Ok(Paginated {
            items: vec![],
            total: 0,
            page: 1,
            per_page: 20,
        })
    }
    async fn public_feed(
        &self,
        _p: &PageParams,
        _v: Option<&UserId>,
    ) -> Result<Paginated<FeedEntry>, DomainError> {
        Ok(Paginated {
            items: vec![],
            total: 0,
            page: 1,
            per_page: 20,
        })
    }
    async fn search(
        &self,
        _q: &str,
        _p: &PageParams,
        _v: Option<&UserId>,
    ) -> Result<Paginated<FeedEntry>, DomainError> {
        Ok(Paginated {
            items: vec![],
            total: 0,
            page: 1,
            per_page: 20,
        })
    }
    async fn tag_feed(
        &self,
        _tag_name: &str,
        _page: &PageParams,
        _viewer_id: Option<&UserId>,
    ) -> Result<Paginated<FeedEntry>, DomainError> {
        Ok(Paginated {
            items: vec![],
            total: 0,
            page: 1,
            per_page: 20,
        })
    }
    async fn user_feed(
        &self,
        _user_id: &UserId,
        _page: &PageParams,
        _viewer_id: Option<&UserId>,
    ) -> Result<Paginated<FeedEntry>, DomainError> {
        Ok(Paginated {
            items: vec![],
            total: 0,
            page: 1,
            per_page: 20,
        })
    }
}

#[async_trait]
impl SearchPort for TestStore {
    async fn search_thoughts(
        &self,
        _q: &str,
        _p: &PageParams,
        _v: Option<&UserId>,
    ) -> Result<Paginated<FeedEntry>, DomainError> {
        Ok(Paginated {
            items: vec![],
            total: 0,
            page: 1,
            per_page: 20,
        })
    }
    async fn search_users(
        &self,
        _q: &str,
        _p: &PageParams,
    ) -> Result<Paginated<User>, DomainError> {
        Ok(Paginated {
            items: vec![],
            total: 0,
            page: 1,
            per_page: 20,
        })
    }
}

#[async_trait]
impl ActivityPubRepository for TestStore {
    async fn outbox_entries_for_actor(
        &self,
        _uid: &UserId,
    ) -> Result<Vec<crate::ports::OutboxEntry>, DomainError> {
        Ok(vec![])
    }
    async fn outbox_page_for_actor(
        &self,
        _uid: &UserId,
        _before: Option<chrono::DateTime<chrono::Utc>>,
        _limit: usize,
    ) -> Result<Vec<crate::ports::OutboxEntry>, DomainError> {
        Ok(vec![])
    }
    async fn find_remote_actor_id(
        &self,
        actor_ap_url: &url::Url,
    ) -> Result<Option<UserId>, DomainError> {
        let url = actor_ap_url.to_string();
        Ok(self
            .users
            .lock()
            .unwrap()
            .iter()
            .find(|u| u.ap_id.as_deref() == Some(&url))
            .map(|u| u.id.clone()))
    }
    async fn intern_remote_actor(&self, actor_ap_url: &url::Url) -> Result<UserId, DomainError> {
        if let Some(uid) = self.find_remote_actor_id(actor_ap_url).await? {
            return Ok(uid);
        }
        let uid = UserId::new();
        let handle = actor_ap_url
            .path()
            .trim_start_matches('/')
            .replace('/', "_");
        let user = crate::models::user::User {
            id: uid.clone(),
            username: Username::from_trusted(handle.clone()),
            email: Email::from_trusted(format!("{}@remote", uid)),
            password_hash: PasswordHash("".into()),
            display_name: None,
            bio: None,
            avatar_url: None,
            header_url: None,
            custom_css: None,
            local: false,
            ap_id: Some(actor_ap_url.to_string()),
            inbox_url: None,
            public_key: None,
            private_key: None,
            created_at: chrono::Utc::now(),
            updated_at: chrono::Utc::now(),
        };
        self.users.lock().unwrap().push(user);
        Ok(uid)
    }
    async fn accept_note(
        &self,
        _ap_id: &url::Url,
        _author_id: &UserId,
        _content: &str,
        _published: chrono::DateTime<chrono::Utc>,
        _sensitive: bool,
        _content_warning: Option<String>,
        _visibility: &str,
    ) -> Result<(), DomainError> {
        Ok(())
    }
    async fn apply_note_update(
        &self,
        _ap_id: &url::Url,
        _new_content: &str,
    ) -> Result<(), DomainError> {
        Ok(())
    }
    async fn retract_note(&self, _ap_id: &url::Url) -> Result<(), DomainError> {
        Ok(())
    }
    async fn retract_actor_notes(&self, _actor_ap_url: &url::Url) -> Result<(), DomainError> {
        Ok(())
    }
    async fn count_local_notes(&self) -> Result<u64, DomainError> {
        Ok(self
            .thoughts
            .lock()
            .unwrap()
            .iter()
            .filter(|t| t.local)
            .count() as u64)
    }
}

#[async_trait]
impl EventPublisher for TestStore {
    async fn publish(&self, event: &DomainEvent) -> Result<(), DomainError> {
        self.events.lock().unwrap().push(event.clone());
        Ok(())
    }
}

pub struct NoOpEventPublisher;
#[async_trait]
impl EventPublisher for NoOpEventPublisher {
    async fn publish(&self, _e: &DomainEvent) -> Result<(), DomainError> {
        Ok(())
    }
}

#[cfg(test)]
mod ap_repo_tests {
    use super::*;
    use crate::value_objects::UserId;

    #[tokio::test]
    async fn test_store_outbox_returns_empty() {
        let store = TestStore::default();
        let result = store
            .outbox_entries_for_actor(&UserId::new())
            .await
            .unwrap();
        assert!(result.is_empty());
    }

    #[tokio::test]
    async fn test_store_intern_creates_placeholder() {
        let store = TestStore::default();
        let url = url::Url::parse("https://example.com/users/alice").unwrap();
        let id1 = store.intern_remote_actor(&url).await.unwrap();
        let id2 = store.intern_remote_actor(&url).await.unwrap();
        assert_eq!(id1, id2, "intern must be idempotent");
    }
}

#[cfg(test)]
mod federation_port_tests {
    use super::*;
    use crate::value_objects::UserId;

    fn uid() -> UserId {
        UserId::new()
    }

    #[tokio::test]
    async fn test_store_lookup_returns_not_found() {
        let store = TestStore::default();
        let err = store.lookup_actor("@alice@example.com").await.unwrap_err();
        assert!(matches!(err, DomainError::NotFound));
    }

    #[tokio::test]
    async fn test_store_follow_remote_is_noop_ok() {
        let store = TestStore::default();
        store
            .follow_remote(&uid(), "@alice@example.com")
            .await
            .unwrap();
    }

    #[tokio::test]
    async fn test_store_actor_json_returns_not_found() {
        let store = TestStore::default();
        let err = store.actor_json(&UserId::new()).await.unwrap_err();
        assert!(matches!(err, DomainError::NotFound));
    }

    #[tokio::test]
    async fn test_store_fetch_outbox_returns_empty() {
        let store = TestStore::default();
        let notes = store
            .fetch_outbox_page("https://example.com/outbox", 1)
            .await
            .unwrap();
        assert!(notes.is_empty());
    }

    #[tokio::test]
    async fn test_store_resolve_actor_profiles_returns_empty() {
        let store = TestStore::default();
        let result = store
            .resolve_actor_profiles(vec!["https://example.com/users/alice".into()])
            .await;
        assert!(result.is_empty());
    }

    #[tokio::test]
    async fn test_store_fetch_collection_urls_returns_empty() {
        let store = TestStore::default();
        let urls = store
            .fetch_actor_urls_from_collection("https://example.com/users/alice/followers")
            .await
            .unwrap();
        assert!(urls.is_empty());
    }
}

#[cfg(test)]
mod search_tests {
    use super::*;
    use crate::models::feed::PageParams;

    #[tokio::test]
    async fn test_store_search_thoughts_returns_empty() {
        let store = TestStore::default();
        let result = store
            .search_thoughts(
                "hello",
                &PageParams {
                    page: 1,
                    per_page: 20,
                },
                None,
            )
            .await
            .unwrap();
        assert_eq!(result.total, 0);
    }

    #[tokio::test]
    async fn test_store_search_users_returns_empty() {
        let store = TestStore::default();
        let result = store
            .search_users(
                "alice",
                &PageParams {
                    page: 1,
                    per_page: 20,
                },
            )
            .await
            .unwrap();
        assert_eq!(result.total, 0);
    }
}