using Microsoft.AspNetCore.Identity;
using Microsoft.EntityFrameworkCore;
using RobotNet10.RobotApp.Data;

namespace RobotNet10.RobotApp.Data;

public static class ApplicationDbExtensions
{
    extension(IServiceProvider serviceProvider)
    {
        public async Task SeedApplicationDbAsync()
        {
            using var scope = serviceProvider.CreateScope();

            using var appDb = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();

            await appDb.Database.MigrateAsync();
            await appDb.Database.EnsureCreatedAsync();
            await appDb.SaveChangesAsync();

            await scope.ServiceProvider.SeedRolesAsync();
            await scope.ServiceProvider.SeedUsersAsync();
        }

        private async Task SeedRolesAsync()
        {
            var roleManager = serviceProvider.GetRequiredService<RoleManager<IdentityRole>>();

            if (!await roleManager.RoleExistsAsync("Administrator"))
            {
                await roleManager.CreateAsync(new IdentityRole()
                {
                    Name = "Administrator",
                    NormalizedName = "ADMINISTRATOR",
                });
            }

            if (!await roleManager.RoleExistsAsync("Distributor"))
            {
                await roleManager.CreateAsync(new IdentityRole()
                {
                    Name = "Distributor",
                    NormalizedName = "DISTRIBUTOR",
                });
            }

            if (!await roleManager.RoleExistsAsync("Operator"))
            {
                await roleManager.CreateAsync(new IdentityRole()
                {
                    Name = "Operator",
                    NormalizedName = "OPERATOR",
                });
            }
        }

        private async Task SeedUsersAsync()
        {
            using var userManager = serviceProvider.GetRequiredService<UserManager<ApplicationUser>>();
            if (await userManager.FindByNameAsync("admin") is null)
            {
                var admin = new ApplicationUser()
                {
                    UserName = "admin",
                    Email = "administrator@phenikaa-x.com",
                    NormalizedUserName = "ADMINISTRATOR",
                    NormalizedEmail = "ADMINISTRATOR@PHENIKAA-X.COM",
                    EmailConfirmed = true,
                };

                await userManager.CreateAsync(admin, "robotics");
                await userManager.AddToRoleAsync(admin, "Administrator");
            }

            if (await userManager.FindByNameAsync("distributor") is null)
            {
                var admin = new ApplicationUser()
                {
                    UserName = "distributor",
                    Email = "distributor@phenikaa-x.com",
                    NormalizedUserName = "DISTRIBUTOR",
                    NormalizedEmail = "DISTRIBUTOR@PHENIKAA-X.COM",
                    EmailConfirmed = true,
                };

                await userManager.CreateAsync(admin, "distributor");
                await userManager.AddToRoleAsync(admin, "Distributor");
            }

            if (await userManager.FindByNameAsync("Operator") is null)
            {
                var admin = new ApplicationUser()
                {
                    UserName = "Operator",
                    Email = "Operator@phenikaa-x.com",
                    NormalizedUserName = "OPERATOR",
                    NormalizedEmail = "OPERATOR@PHENIKAA-X.COM",
                    EmailConfirmed = true,
                };

                await userManager.CreateAsync(admin, "Operator");
                await userManager.AddToRoleAsync(admin, "Operator");
            }
        }
    }
}