//
//  PersistenceUPDATE.swift
//  Feels
//
//  Created by Trey Tartt on 2/18/22.
//

import Foundation

extension PersistenceController {
    @discardableResult
    public func update(entryDate: Date, withModd mood: Mood) -> Bool {
        do {
            if let entry = PersistenceController.shared.getEntry(byDate: entryDate) {
                viewContext.delete(entry)
            }
            
            try viewContext.save()
        } catch {
            // Replace this implementation with code to handle the error appropriately.
            // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
            let nsError = error as NSError
            fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
            return false
        }
        
        
        
        do {
            add(mood: mood, forDate: entryDate, entryType: .listView)
            try viewContext.save()
        } catch {
            // Replace this implementation with code to handle the error appropriately.
            // fatalError() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
            let nsError = error as NSError
            fatalError("Unresolved error \(nsError), \(nsError.userInfo)")
            return false
        }
        
        runDataListeners()
        return true
    }
}