using Microsoft.EntityFrameworkCore;

namespace DongfangHydro.Dashboard.Api.Data;

public static class DatabaseInitializer
{
    public static async Task InitializeAsync(WebApplication app)
    {
        var autoMigrate = app.Configuration.GetValue("Database:AutoMigrate", false);
        var seed = app.Configuration.GetValue("Database:Seed", false);
        if (!autoMigrate && !seed)
        {
            return;
        }

        await using var scope = app.Services.CreateAsyncScope();
        var dbContext = scope.ServiceProvider.GetRequiredService<DashboardDbContext>();

        if (autoMigrate)
        {
            if (dbContext.Database.IsRelational())
            {
                await dbContext.Database.MigrateAsync();
            }
            else
            {
                await dbContext.Database.EnsureCreatedAsync();
            }
        }

        if (seed)
        {
            await scope.ServiceProvider.GetRequiredService<DashboardSeeder>().SeedAsync(CancellationToken.None);
        }
    }
}