//
//  DailyNotificationModel.xcdatamodeld
//  DailyNotificationPlugin
//
//  Created by Matthew Raymer on 2025-09-22
//  Copyright © 2025 TimeSafari. All rights reserved.
//

import Foundation
import CoreData

/**
 * Core Data model for Daily Notification Plugin
 * Mirrors Android SQLite schema for cross-platform consistency
 * 
 * @author Matthew Raymer
 * @version 1.1.0
 * @created 2025-09-22 09:22:32 UTC
 */

// MARK: - ContentCache Entity
@objc(ContentCache)
public class ContentCache: NSManagedObject {
    
}

extension ContentCache {
    @nonobjc public class func fetchRequest() -> NSFetchRequest<ContentCache> {
        return NSFetchRequest<ContentCache>(entityName: "ContentCache")
    }
    
    @NSManaged public var id: String?
    @NSManaged public var fetchedAt: Date?
    @NSManaged public var ttlSeconds: Int32
    @NSManaged public var payload: Data?
    @NSManaged public var meta: String?
}

extension ContentCache: Identifiable {
    
}

// MARK: - Schedule Entity
@objc(Schedule)
public class Schedule: NSManagedObject {
    
}

extension Schedule {
    @nonobjc public class func fetchRequest() -> NSFetchRequest<Schedule> {
        return NSFetchRequest<Schedule>(entityName: "Schedule")
    }
    
    @NSManaged public var id: String?
    @NSManaged public var kind: String?
    @NSManaged public var cron: String?
    @NSManaged public var clockTime: String?
    @NSManaged public var enabled: Bool
    @NSManaged public var lastRunAt: Date?
    @NSManaged public var nextRunAt: Date?
    @NSManaged public var jitterMs: Int32
    @NSManaged public var backoffPolicy: String?
    @NSManaged public var stateJson: String?
}

extension Schedule: Identifiable {
    
}

// MARK: - Callback Entity
@objc(Callback)
public class Callback: NSManagedObject {
    
}

extension Callback {
    @nonobjc public class func fetchRequest() -> NSFetchRequest<Callback> {
        return NSFetchRequest<Callback>(entityName: "Callback")
    }
    
    @NSManaged public var id: String?
    @NSManaged public var kind: String?
    @NSManaged public var target: String?
    @NSManaged public var headersJson: String?
    @NSManaged public var enabled: Bool
    @NSManaged public var createdAt: Date?
}

extension Callback: Identifiable {
    
}

// MARK: - History Entity
@objc(History)
public class History: NSManagedObject {
    
}

extension History {
    @nonobjc public class func fetchRequest() -> NSFetchRequest<History> {
        return NSFetchRequest<History>(entityName: "History")
    }
    
    @NSManaged public var id: String?
    @NSManaged public var refId: String?
    @NSManaged public var kind: String?
    @NSManaged public var occurredAt: Date?
    @NSManaged public var durationMs: Int32
    @NSManaged public var outcome: String?
    @NSManaged public var diagJson: String?
}

extension History: Identifiable {
    
}

// MARK: - Persistence Controller
// Phase 2: CoreData integration for advanced features
// Phase 1: Stubbed out - CoreData model not yet created
class PersistenceController {
    // Lazy initialization to prevent Phase 1 errors
    private static var _shared: PersistenceController?
    static var shared: PersistenceController {
        if _shared == nil {
            _shared = PersistenceController()
        }
        return _shared!
    }
    
    let container: NSPersistentContainer?
    private var initializationError: Error?
    
    init(inMemory: Bool = false) {
        // Phase 1: CoreData model doesn't exist yet, so we'll handle gracefully
        // Phase 2: Will create DailyNotificationModel.xcdatamodeld
        var tempContainer: NSPersistentContainer? = nil
        
        do {
            tempContainer = NSPersistentContainer(name: "DailyNotificationModel")
            
            if inMemory {
                tempContainer?.persistentStoreDescriptions.first?.url = URL(fileURLWithPath: "/dev/null")
            }
            
            var loadError: Error? = nil
            tempContainer?.loadPersistentStores { _, error in
                if let error = error as NSError? {
                    loadError = error
                    print("DNP-PLUGIN: CoreData model not found (Phase 1 - expected). Error: \(error.localizedDescription)")
                    print("DNP-PLUGIN: CoreData features will be available in Phase 2")
                }
            }
            
            if let error = loadError {
                self.initializationError = error
                self.container = nil
            } else {
                tempContainer?.viewContext.automaticallyMergesChangesFromParent = true
                self.container = tempContainer
            }
        } catch {
            print("DNP-PLUGIN: Failed to initialize CoreData container: \(error.localizedDescription)")
            self.initializationError = error
            self.container = nil
        }
    }
    
    /**
     * Check if CoreData is available (Phase 2+)
     */
    var isAvailable: Bool {
        return container != nil && initializationError == nil
    }
}