//! `assets` ve `asset_transactions` — birikimler / varlıklar (DATA_MODEL.md §3.12, §3.13).
//!
//! Miktar ve birim fiyat **ölçekli tam sayı** (`_e6` = × 1.000.000); tutar kuruş.
//! Örnek: 5 gr altın → `quantity_e6: 5_000_000`; 3.250,00 TL/gr → `unit_price_e6: 3_250_000_000`.

use mongodb::bson::Uuid;
use serde::{Deserialize, Serialize};
use ts_rs::TS;

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, TS)]
#[serde(rename_all = "lowercase")]
#[ts(export)]
pub enum AssetKind {
    /// Türk lirası (nakit birikim)
    Cash,
    Gold,
    /// Döviz
    Fx,
}

#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, TS)]
#[serde(rename_all = "lowercase")]
#[ts(export, rename = "AssetTxType")]
pub enum TxType {
    Buy,
    Sell,
}

impl TxType {
    pub fn as_str(self) -> &'static str {
        match self {
            TxType::Buy => "buy",
            TxType::Sell => "sell",
        }
    }
}

#[derive(Debug, Clone, Deserialize)]
pub struct Asset {
    #[serde(rename = "_id")]
    pub id: Uuid,
    pub kind: AssetKind,
    /// `TRY`, `XAU_GRAM`, `USD`… (hanede tekil)
    pub code: String,
    pub name: String,
    /// `₺`, `gr`, `adet`, `$`…
    pub unit_label: String,
    pub sort_order: i32,
    pub is_active: bool,
    pub version: i32,
}

#[derive(Debug, Clone, Deserialize)]
pub struct AssetTx {
    #[serde(rename = "_id")]
    pub id: Uuid,
    pub asset_id: Uuid,
    #[serde(rename = "type")]
    pub tx_type: TxType,
    /// `"YYYY-MM-DD"`
    pub date: String,
    pub quantity_e6: i64,
    /// TL × 1e6, birim başına
    pub unit_price_e6: i64,
    /// Kuruş — girilen gerçek tutar (komisyon farkı olabilir); maliyet bundan hesaplanır
    pub total: i64,
    #[serde(default)]
    pub note: Option<String>,
    /// Dönem kapanışından geldiyse
    #[serde(default)]
    pub source_period_id: Option<Uuid>,
    pub created_by: Uuid,
    pub version: i32,
}