/**
 * DailyNotificationConfig.swift
 * Daily Notification Plugin for Capacitor
 *
 * Provides configuration options for the notification plugin
 */

import Foundation

/// Configuration options for the DailyNotification plugin
///
/// This singleton structure provides configurable options that can be modified
/// to customize the plugin's behavior.
public struct DailyNotificationConfig {
    /// Shared instance for singleton access
    public static var shared = DailyNotificationConfig()
    
    /// Maximum number of notifications that can be scheduled per day
    public var maxNotificationsPerDay = 10
    
    /// Default timezone for notifications when none is specified
    public var defaultTimeZone = TimeZone.current
    
    /// Whether debug logging is enabled
    public var loggingEnabled = true
    
    /// Number of days to retain delivered notifications
    public var retentionDays = 7
    
    /// Whether adaptive scheduling is enabled
    public var adaptiveSchedulingEnabled = true
    
    /// Battery level thresholds for adaptive scheduling
    public struct BatteryThresholds {
        public static let critical = 15
        public static let low = 30
        public static let medium = 50
    }
    
    /// Time intervals for different battery levels (in seconds)
    public struct SchedulingIntervals {
        public static let critical = TimeInterval(4 * 60 * 60) // 4 hours
        public static let low = TimeInterval(2 * 60 * 60) // 2 hours
        public static let medium = TimeInterval(60 * 60) // 1 hour
        public static let normal = TimeInterval(30 * 60) // 30 minutes
    }
    
    /// Wake lock duration based on battery level (in seconds)
    public struct WakeLockDurations {
        public static let critical = TimeInterval(30) // 30 seconds
        public static let low = TimeInterval(45) // 45 seconds
        public static let normal = TimeInterval(60) // 1 minute
    }
    
    private init() {}
    
    /// Resets all configuration options to their default values
    public mutating func resetToDefaults() {
        maxNotificationsPerDay = 10
        defaultTimeZone = TimeZone.current
        loggingEnabled = true
        retentionDays = 7
        adaptiveSchedulingEnabled = true
    }
    
    /// Validates and sets the maximum notifications per day
    /// - Parameter value: The new maximum notifications value
    /// - Throws: DailyNotificationError if the value is invalid
    public mutating func setMaxNotificationsPerDay(_ value: Int) throws {
        guard value > 0 else {
            throw DailyNotificationError.invalidParameters("Max notifications per day must be greater than 0")
        }
        maxNotificationsPerDay = value
    }
    
    /// Validates and sets the retention days
    /// - Parameter value: The new retention days value
    /// - Throws: DailyNotificationError if the value is invalid
    public mutating func setRetentionDays(_ value: Int) throws {
        guard value > 0 else {
            throw DailyNotificationError.invalidParameters("Retention days must be greater than 0")
        }
        retentionDays = value
    }
} 