namespace General_Ledger_Service.Models
{
    public class BankAccount
    {
        public long BankAccountId { get; set; }
        public string AccountName { get; set; } = string.Empty;
        public string? BankName { get; set; }
        public string? AccountNumber { get; set; }
        public long GlAccountId { get; set; }
        public string CurrencyCode { get; set; } = string.Empty;
        public DateTime CreatedAt { get; set; }

        public Account GlAccount { get; set; } = null!;
        public Currency Currency { get; set; } = null!;
    }

    public class BankStatementLine
    {
        public long StmtLineId { get; set; }
        public long BankAccountId { get; set; }
        public DateOnly TxnDate { get; set; }
        public string? Description { get; set; }
        public decimal Amount { get; set; }
        public bool IsReconciled { get; set; }
        public long? MatchedJournalId { get; set; }
        public DateTime CreatedAt { get; set; }

        public BankAccount BankAccount { get; set; } = null!;
        public JournalEntry? MatchedJournal { get; set; }
    }

    // Separate from BankAccount - a cash account is not a bank account, just the same "level"
    // of concept (both are cash-and-bank master data referencing a GL account), decided
    // 2026-07-22 after starting from (and rejecting) a single-table CASH/BANK discriminator.
    public class CashAccount
    {
        public long CashAccountId { get; set; }
        public string AccountName { get; set; } = string.Empty;
        public int CashAccountTypeId { get; set; }
        public string AccountNumber { get; set; } = string.Empty;
        public long GlAccountId { get; set; }
        public string CurrencyCode { get; set; } = string.Empty;
        public bool IsActive { get; set; } = true;
        // Exactly one CashAccount is ever marked default — seeded once (BankService's seed
        // check) so there is always at least one cash account to fall back to. Protected from
        // delete/deactivate (BankService.UpdateCashAccountStatusAsync/DeleteCashAccountAsync);
        // only its AccountName may be changed.
        public bool IsDefault { get; set; }
        public DateTime CreatedAt { get; set; }

        public CashAccountType CashAccountType { get; set; } = null!;
        public Account GlAccount { get; set; } = null!;
        public Currency Currency { get; set; } = null!;
    }

    // Grows at runtime - creating a CashAccount with a cashAccountTypeName not already present
    // here causes a new row to be added on the fly (BankService.CreateCashAccountAsync), so it
    // appears in the list for future selections without a migration.
    public class CashAccountType
    {
        public int CashAccountTypeId { get; set; }
        public string Name { get; set; } = string.Empty;
        // Nullable - existing rows (incl. the seeded Petty Cash/Till Cash/Safe Cash/Cash in
        // Transit types) predate this column. BankService.CreateCashAccountAsync lazily creates
        // and backfills this the first time a type is used to back a new cash account (retrofit
        // 2026-07-31) - the GL node for a type that's never been used yet simply doesn't exist.
        public long? GlAccountId { get; set; }
        public DateTime CreatedAt { get; set; }

        public Account? GlAccount { get; set; }
    }
}