//! 充值流程集成测试

use chrono::Utc;
use rust_decimal_macros::dec;

use rust_decimal::Decimal;
use rustjr::domain::ledger::entity::AccountBalance;
use rustjr::domain::account::AccountType;
use rustjr::infrastructure::bank_integration::{BankClient, mock_bank::MockBankClient};

// ==================== 测试辅助 ====================

fn create_balance(personal: rust_decimal::Decimal, labor: rust_decimal::Decimal) -> AccountBalance {
    AccountBalance {
        id: 1,
        account_id: 1001,
        account_type: AccountType::Virtual,
        personal_balance: personal,
        labor_balance: labor,
        frozen_balance: Decimal::ZERO,
        bank_balance: personal + labor,
        transit_amount: Decimal::ZERO,
        system_balance: personal + labor,
        available_balance: personal + labor,
        frozen_amount: Decimal::ZERO,
        version: 1,
        updated_at: Utc::now(),
    }
}

// ==================== 个人余额充值测试 ====================

#[test]
fn test_personal_deposit() {
    let mut balance = create_balance(dec!(1000.00), dec!(500.00));

    // 模拟外部充值（家属汇款）
    balance.add_personal(dec!(2000.00));

    assert_eq!(balance.personal_balance, dec!(3000.00));
    assert_eq!(balance.labor_balance, dec!(500.00));
    assert_eq!(balance.bank_balance, dec!(3500.00));
    assert!(balance.validate_invariant().is_ok());
}

#[test]
fn test_multiple_deposits() {
    let mut balance = create_balance(dec!(0.00), dec!(0.00));

    // 多次充值
    balance.add_personal(dec!(100.00));
    balance.add_personal(dec!(200.00));
    balance.add_personal(dec!(300.00));

    assert_eq!(balance.personal_balance, dec!(600.00));
    assert_eq!(balance.bank_balance, dec!(600.00));
    assert!(balance.validate_invariant().is_ok());
}

// ==================== 劳动报酬发放测试 ====================

#[test]
fn test_labor_deposit() {
    let mut balance = create_balance(dec!(1000.00), dec!(0.00));

    // 劳动报酬发放
    balance.add_labor(dec!(500.00));

    assert_eq!(balance.personal_balance, dec!(1000.00));
    assert_eq!(balance.labor_balance, dec!(500.00));
    assert_eq!(balance.bank_balance, dec!(1500.00));
    assert!(balance.validate_invariant().is_ok());
}

#[test]
fn test_mixed_deposits() {
    let mut balance = create_balance(dec!(0.00), dec!(0.00));

    // 先充值个人
    balance.add_personal(dec!(1000.00));
    assert!(balance.validate_invariant().is_ok());

    // 再发放劳动报酬
    balance.add_labor(dec!(500.00));
    assert!(balance.validate_invariant().is_ok());

    // 再充值个人
    balance.add_personal(dec!(200.00));
    assert!(balance.validate_invariant().is_ok());

    assert_eq!(balance.personal_balance, dec!(1200.00));
    assert_eq!(balance.labor_balance, dec!(500.00));
    assert_eq!(balance.bank_balance, dec!(1700.00));
}

// ==================== 外部入账模拟测试 ====================

#[tokio::test]
async fn test_external_deposit_via_mock_bank() {
    let client = MockBankClient::new();
    client.create_account("PRISON001", "监狱账户", dec!(100000.00)).unwrap();

    // 模拟外部入账
    let bank_ref = client.simulate_external_deposit(
        "PRISON001",
        "FAMILY001",
        "家属张三",
        dec!(2000.00),
        Some("给罪犯XXX的充值".to_string()),
    ).unwrap();

    assert!(bank_ref.starts_with("MOCK"));

    // 验证余额
    let balance = client.query_balance("PRISON001").await.unwrap();
    assert_eq!(balance.balance, dec!(102000.00));
}

#[tokio::test]
async fn test_external_deposit_in_statements() {
    let client = MockBankClient::new();
    client.create_account("PRISON001", "监狱账户", dec!(100000.00)).unwrap();

    // 模拟外部入账
    client.simulate_external_deposit(
        "PRISON001",
        "FAMILY001",
        "家属张三",
        dec!(2000.00),
        Some("家属汇款".to_string()),
    ).unwrap();

    // 查询流水
    let today = Utc::now().date_naive();
    let statements = client.query_statements("PRISON001", today, today).await.unwrap();

    assert!(!statements.is_empty());
    
    // 找到入账流水
    let deposit = statements.iter().find(|s| s.direction == "in").unwrap();
    assert_eq!(deposit.amount, dec!(2000.00));
}

// ==================== 边界条件测试 ====================

#[test]
fn test_zero_deposit() {
    let mut balance = create_balance(dec!(1000.00), dec!(500.00));
    let original_bank = balance.bank_balance;

    balance.add_personal(dec!(0.00));

    assert_eq!(balance.bank_balance, original_bank);
    assert!(balance.validate_invariant().is_ok());
}

#[test]
fn test_large_deposit() {
    let mut balance = create_balance(dec!(0.00), dec!(0.00));

    balance.add_personal(dec!(999999999.99));

    assert_eq!(balance.personal_balance, dec!(999999999.99));
    assert_eq!(balance.bank_balance, dec!(999999999.99));
    assert!(balance.validate_invariant().is_ok());
}

#[test]
fn test_decimal_precision_deposit() {
    let mut balance = create_balance(dec!(0.00), dec!(0.00));

    balance.add_personal(dec!(0.01));
    balance.add_personal(dec!(0.01));
    balance.add_personal(dec!(0.01));

    assert_eq!(balance.personal_balance, dec!(0.03));
    assert!(balance.validate_invariant().is_ok());
}