LeStorage/LeStorage/ModelObject.swift

//
//  ModelObject.swift
//  LeStorage
//
//  Created by Laurent Morvillier on 05/02/2024.
//

import Foundation

/// A class used as the root class for Storable objects
/// Provides default implementations of the Storable protocol
open class ModelObject: NSObject {
    
    public var store: Store? = nil
    
    public override init() { }
    
    open func deleteDependencies(store: Store, actionOption: ActionOption) {
        
    }
    
    open func deleteUnusedSharedDependencies(store: Store) {
        // Default implementation does nothing
        // Subclasses should override this to handle their specific dependencies
    }

    static var relationshipNames: [String] = []
    
}

open class BaseModelObject: ModelObject, Codable {

    public var storeId: String? = nil

    public override init() { }

    // Coding Keys to map properties during encoding/decoding
    enum CodingKeys: String, CodingKey {
        case storeId
    }
    
    // Required initializer for Decodable
    required public init(from decoder: Decoder) throws {
        let container = try decoder.container(keyedBy: CodingKeys.self)
        self.storeId = try container.decodeIfPresent(String.self, forKey: .storeId)
    }
    
    // Required method for Encodable
    open func encode(to encoder: Encoder) throws {
        var container = encoder.container(keyedBy: CodingKeys.self)
        try container.encode(self.storeId, forKey: .storeId)
    }
}

open class SyncedModelObject: BaseModelObject {
    
    public var relatedUser: String? = nil
    public var lastUpdate: Date = Date()
    public var sharing: SharingStatus?
    
    public override init() {
        super.init()
    }

    enum CodingKeys: String, CodingKey {
        case relatedUser
        case lastUpdate
        case sharing = "_sharing"
    }
    
    // Required initializer for Decodable
    required public init(from decoder: Decoder) throws {
        let container = try decoder.container(keyedBy: CodingKeys.self)
        self.relatedUser = try container.decodeIfPresent(String.self, forKey: .relatedUser)
        self.lastUpdate = try container.decodeIfPresent(Date.self, forKey: .lastUpdate) ?? Date()
        self.sharing = try container.decodeIfPresent(SharingStatus.self, forKey: .sharing)
        
        try super.init(from: decoder)
    }
    
    // Required method for Encodable
    open override func encode(to encoder: Encoder) throws {
        var container = encoder.container(keyedBy: CodingKeys.self)
        try container.encode(relatedUser, forKey: .relatedUser)
        try container.encode(lastUpdate, forKey: .lastUpdate)
        if self.sharing != nil {
            try container.encodeIfPresent(sharing, forKey: .sharing)
        }
        
        try super.encode(to: encoder)
    }
    
}