use crate::{DateTimeUtc, UserId};
use sea_orm::entity::prelude::*;
use serde::{Deserialize, Serialize};

#[derive(
    Clone, Debug, PartialEq, Eq, Serialize, Deserialize, DeriveEntityModel,
)]
#[sea_orm(table_name = "ai_token_usage")]
pub struct Model {
    #[sea_orm(primary_key)]
    pub id: Uuid,
    pub user_id: UserId,
    pub conversation_id: Option<Uuid>,
    pub model: String,
    pub input_tokens: i32,
    pub output_tokens: i32,
    pub cost_usd: Option<rust_decimal::Decimal>,
    pub recorded_at: DateTimeUtc,
}

#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
pub enum Relation {}

impl ActiveModelBehavior for ActiveModel {}