// src/api/models.rs
// This file contains all the data structures for the banking API.
// These are the "nouns" of our API interaction.

use serde::{Deserialize, Serialize};
use chrono::{DateTime, Utc, NaiveDate};

// --- Generic API Wrappers ---
#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
pub struct ApiResponse<T> {
    pub data: T,
    pub links: Links,
    pub meta: Meta,
}

#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
#[serde(rename_all = "camelCase")]
pub struct Links {
    #[serde(rename = "self")]
    pub self_link: String,
    pub next: Option<String>,
    pub prev: Option<String>,
}

#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
#[serde(rename_all = "camelCase")]
pub struct Meta {
    pub total_pages: Option<i32>,
    pub total_records: Option<i32>,
    pub current_page: Option<i32>,
    pub page_size: Option<i32>,
}

// --- Consent Models ---
#[derive(Debug, Serialize, Clone)]
#[serde(rename_all = "snake_case")]
pub struct ConsentRequestBody {
    pub client_id: String,
    pub permissions: Vec<String>,
    pub reason: String,
    pub requesting_bank: String,
    pub requesting_bank_name: String,
}

#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
#[serde(rename_all = "snake_case")]
pub struct ConsentResponse {
    pub request_id: String,
    pub consent_id: String,
    pub status: String,
    pub message: String,
    pub created_at: String,
    pub auto_approved: bool,
}

// --- Account & Transaction Models ---
#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
pub struct AccountData {
    pub account: Vec<Account>,
}

#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
#[serde(rename_all = "camelCase")]
pub struct Account {
    pub account_id: String,
    pub status: Option<String>,
    pub currency: String,
    pub account_type: String,
    pub account_sub_type: Option<String>,
    pub description: Option<String>,
    pub nickname: String,
    pub opening_date: Option<NaiveDate>,
    pub account: Option<Vec<AccountIdentification>>,
}

#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
#[serde(rename_all = "camelCase")]
pub struct AccountIdentification {
    pub scheme_name: String,
    pub identification: String,
    pub name: String,
}

#[derive(Debug, Deserialize, Serialize, Clone)]
pub struct BalanceResponse {
    pub data: BalanceData,
}

#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
pub struct BalanceData {
    pub balance: Vec<Balance>,
}

#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
#[serde(rename_all = "camelCase")]
pub struct Balance {
    pub account_id: String,
    #[serde(rename = "type")]
    pub balance_type: String,
    pub date_time: DateTime<Utc>,
    pub amount: Amount,
    pub credit_debit_indicator: String,
}

#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
#[serde(rename_all = "camelCase")]
pub struct TransactionData {
    pub transaction: Vec<Transaction>,
}

#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
#[serde(rename_all = "camelCase")]
pub struct Transaction {
    pub account_id: String,
    pub transaction_id: String,
    pub amount: Amount,
    pub credit_debit_indicator: String,
    pub status: String,
    pub booking_date_time: DateTime<Utc>,
    pub value_date_time: Option<DateTime<Utc>>,
    pub transaction_information: String,
    pub bank_transaction_code: Option<BankTransactionCode>,
}

#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
pub struct Amount {
    pub amount: String,
    pub currency: String,
}

#[derive(Debug, Deserialize, Serialize, Clone)]  // Added Serialize here
pub struct BankTransactionCode {
    pub code: String,
}