using Microsoft.EntityFrameworkCore;

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

namespace EntityFrameworkCore.Data;

public class DeadBallZoneLeagueDbContext : DbContext
{
  public DeadBallZoneLeagueDbContext(DbContextOptions<DeadBallZoneLeagueDbContext> options) : base(options)
  {
    // This constuctor allows it to accept the options set from other instances, such as in the API project.
  }

  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 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();
}

public class DeadBallZoneLeagueDbContextFactory : IDesignTimeDbContextFactory<DeadBallZoneLeagueDbContext>
{
  public DeadBallZoneLeagueDbContext CreateDbContext(string[] args)
  {
    var folder = Environment.SpecialFolder.LocalApplicationData;
    var path = Environment.GetFolderPath(folder);

    IConfigurationRoot configuration = new ConfigurationBuilder()
      .SetBasePath(Directory.GetCurrentDirectory())
      .AddJsonFile("appsettings.json")
      .Build();

    var dbPath = Path.Combine(path, configuration.GetConnectionString("SqliteDatabaseName"));

    var optionsBuilder = new DbContextOptionsBuilder<DeadBallZoneLeagueDbContext>();
    optionsBuilder.UseSqlite($"Data Source={dbPath}");

    return new DeadBallZoneLeagueDbContext(optionsBuilder.Options);
  }
}