pub mod presentation;
pub mod sources;

pub use presentation::reshape;
pub use sources::{EventSource, PollerState, PollerStateStore, SourceError, run_poller};

use async_trait::async_trait;
use chrono::NaiveDate;
use moments_entities::{DailyCount, Event, EventQuery, ProjectSummary, SourceSummary};

#[derive(Debug, thiserror::Error)]
pub enum StoreError {
    #[error("database error: {0}")]
    Database(String),
}

/// Read-side port consumed by `moments-api`.
#[async_trait]
pub trait EventReader: Send + Sync {
    async fn list_events(&self, query: &EventQuery) -> Result<Vec<Event>, StoreError>;
    async fn source_summaries(&self, include_private: bool) -> Result<Vec<SourceSummary>, StoreError>;
    async fn list_projects(&self) -> Result<Vec<ProjectSummary>, StoreError>;
    async fn daily_counts(&self, from: NaiveDate, to: NaiveDate) -> Result<Vec<DailyCount>, StoreError>;
}

/// Write-side port consumed by `moments-worker`. Idempotent upserts on `id`.
#[async_trait]
pub trait EventWriter: Send + Sync {
    async fn upsert_events(&self, events: &[Event]) -> Result<usize, StoreError>;
}