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

#[derive(
    Debug,
    Clone,
    Copy,
    PartialEq,
    Eq,
    Default,
    EnumIter,
    DeriveActiveEnum,
    Serialize,
    Deserialize,
    utoipa::ToSchema,
)]
#[sea_orm(rs_type = "i16", db_type = "SmallInteger")]
pub enum ProfileVisibility {
    #[default]
    #[sea_orm(num_value = 0)]
    Public,
    #[sea_orm(num_value = 1)]
    RegisteredOnly,
    #[sea_orm(num_value = 2)]
    MembersOnly,
    #[sea_orm(num_value = 3)]
    Private,
}

#[derive(
    Debug,
    Clone,
    Copy,
    PartialEq,
    Eq,
    Default,
    EnumIter,
    DeriveActiveEnum,
    Serialize,
    Deserialize,
    utoipa::ToSchema,
)]
#[sea_orm(rs_type = "i16", db_type = "SmallInteger")]
pub enum Audience {
    #[default]
    #[sea_orm(num_value = 0)]
    Everyone,
    #[sea_orm(num_value = 1)]
    FollowingOnly,
    #[sea_orm(num_value = 2)]
    Nobody,
}

/// Local per-user settings only.
///
/// Identity and account state (username, display name, email, password, TOTP,
/// active/prohibit flags, bot/system, created_at) live **exclusively** in
/// the in-process identity domain and are fetched through kenauth. This row is a local anchor
/// for foreign keys plus data KenApi itself owns.
#[sea_orm::model]
#[derive(Clone, Debug, PartialEq, DeriveEntityModel)]
#[sea_orm(table_name = "users")]
pub struct Model {
    #[sea_orm(primary_key, auto_increment = false)]
    pub uid: i64,
    /// KenApi-only moderation flag (not an OAuth account state).
    pub is_restricted: bool,
    pub visibility: ProfileVisibility,
    pub last_login_at: Option<OffsetDateTime>,
    pub last_login_ip_hash: Option<String>,
    /// Avatar uploaded into KenApi's own object storage. Empty = fall back to
    /// KenOAuth's resolved avatar.
    pub local_avatar_url: String,
    pub timezone: Option<String>,
    pub locale: Option<String>,
    pub language: Option<String>,
    /// Local settings optimistic-lock version (never the OAuth account version).
    pub version: i32,
    pub updated_at: OffsetDateTime,
    #[sea_orm(has_many, relation_enum = "User")]
    pub notifications: HasMany<super::user_notifications::Entity>,
    #[sea_orm(has_one)]
    pub profile: HasOne<super::user_profiles::Entity>,
    #[sea_orm(has_one)]
    pub preferences: HasOne<super::user_preferences::Entity>,
    #[sea_orm(
        self_ref,
        has_many,
        via = "user_followers",
        from = "Followed",
        to = "Follower"
    )]
    pub followers: HasMany<Entity>,
    #[sea_orm(self_ref, has_many, via = "user_followers", reverse)]
    pub following: HasMany<Entity>,
    #[sea_orm(
        self_ref,
        has_many,
        via = "user_blocks",
        from = "Blocked",
        to = "Blocker"
    )]
    pub blocked_by: HasMany<Entity>,
    #[sea_orm(self_ref, has_many, via = "user_blocks", reverse)]
    pub blocking: HasMany<Entity>,
}

impl ActiveModelBehavior for ActiveModel {}