using Microsoft.EntityFrameworkCore;

using EntityFrameworkCore.Domain;
using Microsoft.Extensions.Logging;
using System.Reflection;

namespace EntityFrameworkCore.Data;

public class DeadBallZoneLeagueDbContext : DbContext
{
  private string DbPath;
  public DeadBallZoneLeagueDbContext()
  {
    // In Ubuntu 24.04, the file is created here: /home/user/.local/share
    var folder = Environment.SpecialFolder.LocalApplicationData;
    var path = Environment.GetFolderPath(folder);
    DbPath = Path.Combine(path, "DeadBallZoneLeague_EFCore.db");
  }
  public DbSet<Team> Teams { get; set; }
  public DbSet<Coach> Coaches { get; set; }
  public DbSet<League> Leagues { get; set; }
  public DbSet<Match> Matches { get; set; }
  public DbSet<TeamsAndLeaguesView> TeamsAndLeaguesView { get; set; }

  protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
  {
    optionsBuilder.UseSqlite($"Data source={DbPath}")
      // .UseQueryTrackingBehavior(QueryTrackingBehavior.NoTracking) // Do not use tracking, set globally on all queries.
      .LogTo(Console.WriteLine, LogLevel.Information)
      .EnableSensitiveDataLogging() // Do not allow this in Production.
      .EnableDetailedErrors(); // Do not allow this in Production.
  }

  protected override void OnModelCreating(ModelBuilder modelBuilder)
  {
    // modelBuilder.ApplyConfiguration(new TeamConfiguration());
    // modelBuilder.ApplyConfiguration(new LeagueConfiguration());

    // This line can be used, then individual configurations do not need to be loaded.
    modelBuilder.ApplyConfigurationsFromAssembly(Assembly.GetExecutingAssembly());

    // This database object does not have a Primary Key, so we state that here, otherwise an exception is thrown.
    modelBuilder.Entity<TeamsAndLeaguesView>().HasNoKey().ToView("vw_TeamsAndLeagues");

    // This is for user-defined functions.
    modelBuilder.HasDbFunction(
      typeof(DeadBallZoneLeagueDbContext)
      .GetMethod(
        nameof(GetEarliestTeamMatch),
        new[] {typeof(int)}
      ))
      .HasName("GetEarliestMatch");
  }

  public DateTime GetEarliestTeamMatch(int teamId) => throw new NotImplementedException();
}