use db::issue::issues as issues_entity;
use serde::{Deserialize, Serialize};
use time::OffsetDateTime;
use time::format_description::well_known::Rfc3339;
use utoipa::{IntoParams, ToSchema};
use uuid::Uuid;

fn fmt_ts(ts: OffsetDateTime) -> String {
    ts.format(&Rfc3339).unwrap_or_default()
}
fn fmt_ts_opt(ts: Option<OffsetDateTime>) -> Option<String> {
    ts.map(fmt_ts)
}

#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
pub struct CollectionView {
    pub id: Uuid,
    pub channel_id: Uuid,
    pub name: String,
    pub icon: Option<String>,
    pub description: Option<String>,
    pub nums_open_issue: i64,
    pub nums_closed_issue: i64,
    pub created_at: String,
    pub updated_at: Option<String>,
}

impl From<issues_entity::Model> for CollectionView {
    fn from(m: issues_entity::Model) -> Self {
        Self {
            id: m.id,
            channel_id: m.channel_id,
            name: m.name,
            icon: m.icon,
            description: m.description,
            nums_open_issue: 0,
            nums_closed_issue: 0,
            created_at: fmt_ts(m.created_at),
            updated_at: fmt_ts_opt(m.updated_at),
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
pub struct CollectionPage {
    pub items: Vec<CollectionView>,
    pub total: i64,
}

#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
pub struct CreateCollectionOption {
    /// Space the collection lives in. An object channel is minted under `parent_dir`
    /// (or the space root when `None`) and bound to the collection.
    pub space_id: Uuid,
    pub parent_dir: Option<Uuid>,
    pub name: String,
    pub icon: Option<String>,
    pub description: Option<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize, ToSchema)]
pub struct UpdateCollectionOption {
    pub name: Option<String>,
    pub icon: Option<Option<String>>,
    pub description: Option<Option<String>>,
}

#[derive(Debug, Clone, Serialize, Deserialize, ToSchema, IntoParams)]
pub struct ListCollectionQuery {
    pub channel_id: Option<Uuid>,
    pub q: Option<String>,
    pub limit: Option<u64>,
    pub offset: Option<u64>,
}