use serde::{Deserialize, Serialize};

use crate::user::User;

use super::{IssueComment, IssueCommentRevision, IssueStatus, IssueTag};

#[derive(Hash, Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
pub struct IssueTimeline {
    pub events: Vec<IssueEvent>,
}

#[derive(Hash, Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
pub struct IssueEvent {
    /// The id of this event
    pub id: u64,
    /// Time at which the event was created
    pub created: chrono::DateTime<chrono::Utc>,
    /// User who triggered the event
    pub triggeror: User,
    /// Content of the event
    pub content: IssueEventContent,
}

// TODO: serialize with flattened internal struct
#[derive(Hash, Clone, Debug, Eq, PartialEq, Serialize, Deserialize)]
pub enum IssueEventContent {
    CommentCreated(IssueComment),
    CommentRevised(IssueCommentRevision),
    CommentDeleted(IssueComment),

    Tagged(IssueTag),
    Untagged(IssueTag),

    StatusChanged(IssueStatus),

    UserAssigned(User),
    UserUnassigned(User),
}