using AutobusApi.Domain.Enums;
using AutobusApi.Infrastructure.Identity;
using AutoubsApi.Infrastructure.Data;
using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using Npgsql;

namespace AutobusApi.Infrastructure;

public static class DbInitializer
{
    public static void Initialize(ApplicationDbContext dbContext, ApplicationIdentityDbContext identityDbContext)
    {
        if (dbContext.Database.IsRelational())
        {
            var domainAppliedMigrations = dbContext.Database.GetAppliedMigrations();
            var identityAppliedMigrations = identityDbContext.Database.GetAppliedMigrations();

            if (domainAppliedMigrations.Count() == 0)
            {
                dbContext.Database.Migrate();

                // https://github.com/npgsql/efcore.pg/issues/292
                dbContext.Database.OpenConnection();
                ((NpgsqlConnection)dbContext.Database.GetDbConnection()).ReloadTypes();

                InitializeDomain(dbContext);
            }

            if (identityAppliedMigrations.Count() == 0)
            {
                identityDbContext.Database.Migrate();
                InitializeIdentity(identityDbContext);
            }

            return;
        }

        dbContext.Database.EnsureCreated();
        InitializeDomain(dbContext);

        identityDbContext.Database.EnsureCreated();
        InitializeIdentity(identityDbContext);
    }

    private static void InitializeDomain(ApplicationDbContext dbContext)
    {

    }

    private static void InitializeIdentity(ApplicationIdentityDbContext identityDbContext)
    {
        foreach (var role in Enum.GetValues(typeof(IdentityRoles)).Cast<IdentityRoles>())
        {
            identityDbContext.Roles.Add(new IdentityRole<int>
            {
                Name = role.ToString(),
                NormalizedName = role.ToString().ToUpper(),
                ConcurrencyStamp = Guid.NewGuid().ToString()
            });
        }

        identityDbContext.SaveChanges();
    }
}