//! Types for the *m.room.pinned_events* event.

use ruma_events_macros::ruma_event;
use ruma_identifiers::EventId;

ruma_event! {
    /// Used to "pin" particular events in a room for other participants to review later.
    PinnedEventsEvent {
        kind: StateEvent,
        event_type: "m.room.pinned_events",
        content: {
            /// An ordered list of event IDs to pin.
            pub pinned: Vec<EventId>,
        },
    }
}

#[cfg(test)]
mod tests {
    use std::{
        collections::BTreeMap,
        time::{Duration, UNIX_EPOCH},
    };

    use ruma_identifiers::{EventId, RoomId, UserId};
    use serde_json::to_string;

    use crate::{
        room::pinned_events::{PinnedEventsEvent, PinnedEventsEventContent},
        Event, EventJson, RoomEvent, StateEvent,
    };

    #[test]
    fn serialization_deserialization() {
        let mut content: PinnedEventsEventContent = PinnedEventsEventContent { pinned: Vec::new() };

        content.pinned.push(EventId::new("example.com").unwrap());
        content.pinned.push(EventId::new("example.com").unwrap());

        let event = PinnedEventsEvent {
            content: content.clone(),
            event_id: EventId::new("example.com").unwrap(),
            origin_server_ts: UNIX_EPOCH + Duration::from_millis(1_432_804_485_886u64),
            prev_content: None,
            room_id: Some(RoomId::new("example.com").unwrap()),
            sender: UserId::new("example.com").unwrap(),
            state_key: "".to_string(),
            unsigned: BTreeMap::new(),
        };

        let serialized_event = to_string(&event).unwrap();
        let parsed_event: PinnedEventsEvent =
            serde_json::from_str::<EventJson<_>>(&serialized_event)
                .unwrap()
                .deserialize()
                .unwrap();

        assert_eq!(parsed_event.event_id(), event.event_id());
        assert_eq!(parsed_event.room_id(), event.room_id());
        assert_eq!(parsed_event.sender(), event.sender());
        assert_eq!(parsed_event.unsigned(), event.unsigned());
        assert_eq!(parsed_event.state_key(), event.state_key());
        assert_eq!(parsed_event.origin_server_ts(), event.origin_server_ts());

        assert_eq!(parsed_event.content().pinned, event.content.pinned);
        assert_eq!(parsed_event.content().pinned[0], content.pinned[0]);
        assert_eq!(parsed_event.content().pinned[1], content.pinned[1]);
    }
}