// 
// Copyright 2022 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

import Foundation

@objcMembers
class ReviewSessionAlertSnoozeController: NSObject {
    
    private let userDefaults: UserDefaults
    private let snoozeDateKey = "ReviewSessionAlertSnoozeController_snoozeDateKey"
    private let minDaysBetweenAlerts = 7
    
    // for Objective-C
    convenience override init() {
        self.init(userDefaults: UserDefaults.standard)
    }
    
    init(userDefaults: UserDefaults = UserDefaults.standard) {
        self.userDefaults = userDefaults
    }
    
    func isSnoozed() -> Bool {
        guard  let lastDisplayedDate = userDefaults.object(forKey: snoozeDateKey) as? Date else {
            return false
        }
        return lastDisplayedDate.daysBetween(date: Date()) <= minDaysBetweenAlerts
    }
    
    func snooze() {
        userDefaults.set(Date(), forKey: snoozeDateKey)
    }
    
    func clearSnooze() {
        userDefaults.removeObject(forKey: snoozeDateKey)
    }
}