import Foundation

struct SavingsCategory: Codable, Identifiable {
    let id: Int
    var name: String
    var description: String?
    var isDeposit: Bool?
    var isCredit: Bool?
    var isAccount: Bool?
    var isRecurring: Bool?
    var isMulti: Bool?
    var isClosed: Bool?
    var currentAmount: Double?
    var depositAmount: Double?
    var interestRate: Double?
    var depositStartDate: String?
    var depositEndDate: String?
    var recurringAmount: Double?
    
    var icon: String {
        if isDeposit == true { return "percent" }
        if isAccount == true { return "building.columns.fill" }
        if isRecurring == true { return "arrow.clockwise" }
        return "banknote.fill"
    }
    
    var color: String {
        if isDeposit == true { return "ffa502" }
        if isAccount == true { return "7c3aed" }
        if isRecurring == true { return "00d4aa" }
        return "8888aa"
    }
    
    var typeLabel: String {
        if isDeposit == true { return "Вклад \(Int(interestRate ?? 0))%" }
        if isAccount == true { return "Счёт" }
        if isRecurring == true { return "Накопления" }
        return "Копилка"
    }
    
    enum CodingKeys: String, CodingKey {
        case id, name, description
        case isDeposit = "is_deposit"
        case isCredit = "is_credit"
        case isAccount = "is_account"
        case isRecurring = "is_recurring"
        case isMulti = "is_multi"
        case isClosed = "is_closed"
        case currentAmount = "current_amount"
        case depositAmount = "deposit_amount"
        case interestRate = "interest_rate"
        case depositStartDate = "deposit_start_date"
        case depositEndDate = "deposit_end_date"
        case recurringAmount = "recurring_amount"
    }
}

struct SavingsTransaction: Codable, Identifiable {
    let id: Int
    var categoryId: Int?
    var userId: Int?
    var amount: Double
    var type: String  // "deposit" или "withdrawal"
    var description: String?
    var date: String?
    var createdAt: String?
    var categoryName: String?
    var userName: String?
    
    var isDeposit: Bool { type == "deposit" }
    
    enum CodingKeys: String, CodingKey {
        case id, amount, type, description, date
        case categoryId = "category_id"
        case userId = "user_id"
        case createdAt = "created_at"
        case categoryName = "category_name"
        case userName = "user_name"
    }
}

struct SavingsStats: Codable {
    var totalBalance: Double?
    var totalDeposits: Double?
    var totalWithdrawals: Double?
    var categoriesCount: Int?
    
    enum CodingKeys: String, CodingKey {
        case totalBalance = "total_balance"
        case totalDeposits = "total_deposits"
        case totalWithdrawals = "total_withdrawals"
        case categoriesCount = "categories_count"
    }
}