using Comal.Classes;
using InABox.Core;
using InABox.Database;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PRS.Shared.Database_Update_Scripts;

internal class Update_8_32 : DatabaseUpdateScript
{
    public override VersionNumber Version => new(8, 32);

    public override bool Update()
    {
        var provider = DbFactory.NewProvider(Logger.Main);

        Logger.Send(LogType.Information, "", $"Process Kanban Notes");
        var tasks = provider.Query<Kanban>(
            null,
            Columns.None<Kanban>().Add(x => x.ID).Add(x => x.Notes))
            .ToArray<Kanban>();
        Utils.Utils.ProcessInChunks(tasks, chunk =>
        {
            foreach(var kanban in chunk)
            {
                if (kanban.Notes is not null && kanban.Notes.Any(x => x?.Contains("===================================") != false))
                {
                    var notes = new List<List<string>>() { new() };
                    foreach (var line in kanban.Notes)
                    {
                        if(line is not null)
                        {
                            if (line.Equals("==================================="))
                            {
                                notes.Add(new());
                            }
                            else
                            {
                                notes[^1].Add(line);
                            }
                        }
                        else
                        {
                            notes[^1].Add("");
                        }
                    }
                    kanban.Notes = notes.Select(x => string.Join('\n', x)).Where(x => !x.IsNullOrWhiteSpace()).ToArray();
                }
            }
            provider.Save(chunk.Where(x => x.IsChanged()));
        }, 1000, percent =>
        {
            Logger.Send(LogType.Information, "", $"Processing Kanban Notes: {percent:F2}%");
        });
        Logger.Send(LogType.Information, "", $"Processing Kanban Notes complete");

        return true;
    }
}