using Comal.Classes;
using InABox.Core;
using InABox.Database;

namespace PRS.Shared.Database_Update_Scripts;

internal class Update_8_25 : DatabaseUpdateScript
{
    
    private static readonly int CHUNK_SIZE = 500;
    private static readonly bool DESTRUCTIVE = false;
    
    public override VersionNumber Version => new(8, 25);
    
    public override bool Update()
    {
        var _provider = DbFactory.NewProvider(Logger.Main);
        CheckProblemNotes<Bill>(_provider);
        CheckProblemNotes<Activity>(_provider);
        CheckProblemNotes<ProductStyle>(_provider);
        CheckProblemNotes<Product>(_provider);
        CheckProblemNotes<CostSheet>(_provider);
        CheckProblemNotes<Kit>(_provider);
        CheckProblemNotes<JobBillOfMaterialsItem>(_provider);
        CheckProblemNotes<JobRequisitionItem>(_provider);
        CheckProblemNotes<ManufacturingPacket>(_provider);
        return true;
    }
    
    private void CheckProblemNotes<T>(IProvider provider) where T : Entity, IProblems<ManagedProblem>, new()
    {
        Queue<T> _updates = new Queue<T>();
        Logger.Send(LogType.Information, "", $"Checking {typeof(T).EntityName().Split('.').Last()} Problem Notes");
        var _problems = provider.Query<T>(
            new Filter<T>(x=>x.Problem.Notes).IsNotEqualTo(Array.Empty<string>()), 
            Columns.None<T>()
                .Add(x=>x.ID)
                .Add(x=>x.Problem.Notes)
        ).ToObjects<T>();
        foreach (var _problem in _problems)
        {
            if (_problem.Problem.Notes is string[] _notes && _notes.Length <= 1 && string.IsNullOrWhiteSpace(_notes.FirstOrDefault()))
            {
                _problem.Problem.Notes = null;
                _updates.Enqueue(_problem);
            }
        }
        
        while (_updates.Any())
        {
            var _chunk = _updates.Dequeue(100).ToArray();
            Logger.Send(LogType.Information, "", $"- Updating {_chunk.Length} {typeof(T).EntityName().Split('.').Last()} Problems ({_updates.Count} remaining)");
            provider.Save(_chunk);
        }
        
    }
    

}