use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};

use models::{MessageId, RoomId, UserId, Uuid};

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "snake_case")]
pub enum ReactionEventType {
    Added,
    Removed,
    BatchUpdated,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(tag = "type", rename_all = "snake_case")]
pub enum ReactionEvent {
    Added(ReactionAddedService),
    Removed(ReactionRemovedService),
    BatchUpdated(ReactionBatchUpdatedService),
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ReactionAddedService {
    pub id: Uuid,
    pub room: RoomId,
    pub message: MessageId,
    pub user: UserId,
    pub emoji: String,
    pub created_at: DateTime<Utc>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ReactionRemovedService {
    pub id: Uuid,
    pub room: RoomId,
    pub message: MessageId,
    pub user: UserId,
    pub emoji: String,
    pub removed_at: DateTime<Utc>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ReactionBatchUpdatedService {
    pub room: RoomId,
    pub message: MessageId,
    pub reactions: Vec<ReactionGroup>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ReactionGroup {
    pub emoji: String,
    pub count: i64,
    pub reacted_by_me: bool,
    pub users: Vec<UserId>,
}

#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct ReactionAddClient {
    pub room: RoomId,
    pub message: MessageId,
    pub emoji: String,
}

#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct ReactionRemoveClient {
    pub room: RoomId,
    pub message: MessageId,
    pub emoji: String,
}