use sea_orm::entity::prelude::*;
use serde::{Deserialize, Serialize};
use time::OffsetDateTime;
use uuid::Uuid;

/// Upload lifecycle: a row is created before the bytes exist (`Pending`) and
/// only an `Uploaded` row may be referenced by an issue.
#[derive(
    Debug,
    Clone,
    Copy,
    PartialEq,
    Eq,
    Default,
    EnumIter,
    DeriveActiveEnum,
    Serialize,
    Deserialize,
    utoipa::ToSchema,
)]
#[serde(rename_all = "snake_case")]
#[sea_orm(rs_type = "i16", db_type = "SmallInteger")]
pub enum IssueAttachmentStatus {
    #[default]
    #[sea_orm(num_value = 0)]
    Pending,
    #[sea_orm(num_value = 1)]
    Uploaded,
}

#[sea_orm::model]
#[derive(Clone, Debug, PartialEq, Eq, DeriveEntityModel)]
#[sea_orm(table_name = "issue_attachment")]
pub struct Model {
    #[sea_orm(primary_key, auto_increment = false)]
    pub id: Uuid,
    /// `None` while the upload belongs to a draft the caller has not submitted.
    #[sea_orm(indexed)]
    pub issue_id: Option<Uuid>,
    #[sea_orm(indexed)]
    pub uploader_id: i64,
    pub filename: String,
    pub content_type: String,
    pub size: i64,
    pub bucket: String,
    pub s3_key: String,
    #[sea_orm(default_value = 0)]
    pub status: IssueAttachmentStatus,
    pub created_at: OffsetDateTime,
    pub updated_at: OffsetDateTime,
    #[sea_orm(belongs_to, from = "issue_id", to = "id")]
    pub issue: BelongsTo<Option<super::issue_item::Entity>>,
    #[sea_orm(belongs_to, from = "uploader_id", to = "uid")]
    pub uploader: BelongsTo<super::super::users::user::Entity>,
}

impl ActiveModelBehavior for ActiveModel {}