// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;

namespace Microsoft.AspNetCore.Identity.Test;

public class IdentityBuilderTest
{
    [Fact]
    public void AddRolesServicesAdded()
    {
        var services = new ServiceCollection();
        services.AddIdentityCore<PocoUser>(o => { })
            .AddRoles<PocoRole>()
            .AddUserStore<NoopUserStore>()
            .AddRoleStore<NoopRoleStore>();
        var sp = services.BuildServiceProvider();
        Assert.NotNull(sp.GetRequiredService<IRoleValidator<PocoRole>>());
        Assert.IsType<NoopRoleStore>(sp.GetRequiredService<IRoleStore<PocoRole>>());
        Assert.IsType<RoleManager<PocoRole>>(sp.GetRequiredService<RoleManager<PocoRole>>());
        Assert.NotNull(sp.GetRequiredService<RoleManager<PocoRole>>());
        Assert.IsType<UserClaimsPrincipalFactory<PocoUser, PocoRole>>(sp.GetRequiredService<IUserClaimsPrincipalFactory<PocoUser>>());
    }

    [Fact]
    public void IdentityBuilder_ValueTypeUser_Error()
    {
        Assert.Throws<ArgumentException>(() => new IdentityBuilder(typeof(int), new ServiceCollection()));
    }

    [Fact]
    public void IdentityBuilder_ValueTypeRole_Error()
    {
        Assert.Throws<ArgumentException>(() => new IdentityBuilder(typeof(PocoUser), typeof(int), new ServiceCollection()));
    }

    [Fact]
    public void AddRolesWithoutStoreWillError()
    {
        var services = new ServiceCollection();
        services.AddIdentityCore<PocoUser>(o => { })
            .AddRoles<PocoRole>();
        var sp = services.BuildServiceProvider();
        Assert.NotNull(sp.GetRequiredService<IRoleValidator<PocoRole>>());
        Assert.Null(sp.GetService<IRoleStore<PocoRole>>());
        Assert.Throws<InvalidOperationException>(() => sp.GetService<RoleManager<PocoRole>>());
    }

    [Fact]
    public void CanOverrideUserStore()
    {
        var services = new ServiceCollection()
           .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddIdentity<PocoUser, PocoRole>().AddUserStore<MyUberThingy>();
        var thingy = services.BuildServiceProvider().GetRequiredService<IUserStore<PocoUser>>() as MyUberThingy;
        Assert.NotNull(thingy);
    }

    [Fact]
    public void CanOverrideRoleStore()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddIdentity<PocoUser, PocoRole>().AddRoleStore<MyUberThingy>();
        var thingy = services.BuildServiceProvider().GetRequiredService<IRoleStore<PocoRole>>() as MyUberThingy;
        Assert.NotNull(thingy);
    }

    [Fact]
    public void CanOverridePrincipalFactory()
    {
        var services = new ServiceCollection()
            .AddLogging()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddIdentity<PocoUser, PocoRole>()
            .AddClaimsPrincipalFactory<MyClaimsPrincipalFactory>()
            .AddUserManager<MyUserManager>()
            .AddUserStore<NoopUserStore>()
            .AddRoleStore<NoopRoleStore>();
        var thingy = services.BuildServiceProvider().GetRequiredService<IUserClaimsPrincipalFactory<PocoUser>>() as MyClaimsPrincipalFactory;
        Assert.NotNull(thingy);
    }

    [Fact]
    public void CanOverrideUserConfirmation()
    {
        var services = new ServiceCollection()
            .AddLogging()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddIdentity<PocoUser, PocoRole>()
            .AddClaimsPrincipalFactory<MyClaimsPrincipalFactory>()
            .AddUserConfirmation<MyUserConfirmation>()
            .AddUserManager<MyUserManager>()
            .AddUserStore<NoopUserStore>()
            .AddRoleStore<NoopRoleStore>();
        var thingy = services.BuildServiceProvider().GetRequiredService<IUserConfirmation<PocoUser>>() as MyUserConfirmation;
        Assert.NotNull(thingy);
    }

    [Fact]
    public void CanOverrideRoleValidator()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddIdentity<PocoUser, PocoRole>().AddRoleValidator<MyUberThingy>();
        var thingy = services.BuildServiceProvider().GetRequiredService<IRoleValidator<PocoRole>>() as MyUberThingy;
        Assert.NotNull(thingy);
    }

    [Fact]
    public void CanOverrideUserValidator()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddIdentity<PocoUser, PocoRole>().AddUserValidator<MyUberThingy>();
        var thingy = services.BuildServiceProvider().GetRequiredService<IUserValidator<PocoUser>>() as MyUberThingy;
        Assert.NotNull(thingy);
    }

    [Fact]
    public void CanOverridePasswordValidator()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddIdentity<PocoUser, PocoRole>().AddPasswordValidator<MyUberThingy>();
        var thingy = services.BuildServiceProvider().GetRequiredService<IPasswordValidator<PocoUser>>() as MyUberThingy;
        Assert.NotNull(thingy);
    }

    [Fact]
    public void CanOverrideUserManager()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddIdentity<PocoUser, PocoRole>()
            .AddUserStore<NoopUserStore>()
            .AddUserManager<MyUserManager>();
        var myUserManager = services.BuildServiceProvider().GetRequiredService(typeof(UserManager<PocoUser>)) as MyUserManager;
        Assert.NotNull(myUserManager);
    }

    [Fact]
    public void CanOverrideRoleManager()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddIdentity<PocoUser, PocoRole>()
                .AddRoleStore<NoopRoleStore>()
                .AddRoleManager<MyRoleManager>();
        var myRoleManager = services.BuildServiceProvider().GetRequiredService<RoleManager<PocoRole>>() as MyRoleManager;
        Assert.NotNull(myRoleManager);
    }

    [Fact]
    public void CanOverrideSignInManager()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build())
            .AddHttpContextAccessor()
            .AddLogging();
        services.AddIdentity<PocoUser, PocoRole>()
            .AddUserStore<NoopUserStore>()
            .AddRoleStore<NoopRoleStore>()
            .AddUserManager<MyUserManager>()
            .AddClaimsPrincipalFactory<MyClaimsPrincipalFactory>()
            .AddSignInManager<MySignInManager>();
        var myUserManager = services.BuildServiceProvider().GetRequiredService(typeof(SignInManager<PocoUser>)) as MySignInManager;
        Assert.NotNull(myUserManager);
    }

    [Fact]
    public void EnsureDefaultServices()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddLogging()
            .AddIdentity<PocoUser, PocoRole>()
            .AddUserStore<NoopUserStore>()
            .AddRoleStore<NoopRoleStore>();

        var provider = services.BuildServiceProvider();
        var userValidator = provider.GetRequiredService<IUserValidator<PocoUser>>() as UserValidator<PocoUser>;
        Assert.NotNull(userValidator);

        var pwdValidator = provider.GetRequiredService<IPasswordValidator<PocoUser>>() as PasswordValidator<PocoUser>;
        Assert.NotNull(pwdValidator);

        var hasher = provider.GetRequiredService<IPasswordHasher<PocoUser>>() as PasswordHasher<PocoUser>;
        Assert.NotNull(hasher);

        Assert.IsType<RoleManager<PocoRole>>(provider.GetRequiredService<RoleManager<PocoRole>>());
        Assert.IsType<UserManager<PocoUser>>(provider.GetRequiredService<UserManager<PocoUser>>());
    }

    [Fact]
    public void EnsureDefaultSignInManagerDependenciesForIdentity()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddLogging()
            .AddIdentity<PocoUser, PocoRole>()
            .AddUserStore<NoopUserStore>()
            .AddRoleStore<NoopRoleStore>()
            .AddSignInManager<MySignInManager>();

        var provider = services.BuildServiceProvider();

        Assert.IsType<MySignInManager>(provider.GetRequiredService<SignInManager<PocoUser>>());
        Assert.IsType<SecurityStampValidator<PocoUser>>(provider.GetRequiredService<ISecurityStampValidator>());
        Assert.IsType<TwoFactorSecurityStampValidator<PocoUser>>(provider.GetRequiredService<ITwoFactorSecurityStampValidator>());
        Assert.NotNull(provider.GetService<IOptions<SecurityStampValidatorOptions>>());
    }

    [Fact]
    public void EnsureDefaultSignInManagerDependenciesForIdentityCore()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddLogging()
            .AddIdentityCore<PocoUser>()
            .AddRoles<PocoRole>()
            .AddUserStore<NoopUserStore>()
            .AddRoleStore<NoopRoleStore>()
            .AddSignInManager<MySignInManager>();

        var provider = services.BuildServiceProvider();

        Assert.IsType<MySignInManager>(provider.GetRequiredService<SignInManager<PocoUser>>());
        Assert.IsType<SecurityStampValidator<PocoUser>>(provider.GetRequiredService<ISecurityStampValidator>());
        Assert.IsType<TwoFactorSecurityStampValidator<PocoUser>>(provider.GetRequiredService<ITwoFactorSecurityStampValidator>());
        Assert.NotNull(provider.GetService<IOptions<SecurityStampValidatorOptions>>());
    }

    [Fact]
    public void EnsureDefaultTokenProviders()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        services.AddIdentity<PocoUser, PocoRole>().AddDefaultTokenProviders();

        var provider = services.BuildServiceProvider();
        var tokenProviders = provider.GetRequiredService<IOptions<IdentityOptions>>().Value.Tokens.ProviderMap.Values;
        Assert.Equal(4, tokenProviders.Count());
    }

    [Fact]
    public void AddManagerWithWrongTypesThrows()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        var builder = services.AddIdentity<PocoUser, PocoRole>();
        Assert.Throws<InvalidOperationException>(() => builder.AddUserManager<object>());
        Assert.Throws<InvalidOperationException>(() => builder.AddRoleManager<object>());
        Assert.Throws<InvalidOperationException>(() => builder.AddSignInManager<object>());
    }

    [Fact]
    public void AddTokenProviderWithWrongTypesThrows()
    {
        var services = new ServiceCollection()
            .AddSingleton<IConfiguration>(new ConfigurationBuilder().Build());
        var builder = services.AddIdentity<PocoUser, PocoRole>();
        Assert.Throws<InvalidOperationException>(() => builder.AddTokenProvider<object>("whatevs"));
        Assert.Throws<InvalidOperationException>(() => builder.AddTokenProvider("whatevs", typeof(object)));
    }

    private class MyUberThingy : IUserValidator<PocoUser>, IPasswordValidator<PocoUser>, IRoleValidator<PocoRole>, IUserStore<PocoUser>, IRoleStore<PocoRole>
    {
        public Task<IdentityResult> CreateAsync(PocoRole role, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<IdentityResult> CreateAsync(PocoUser user, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<IdentityResult> DeleteAsync(PocoRole role, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<IdentityResult> DeleteAsync(PocoUser user, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public void Dispose()
        {
            throw new NotImplementedException();
        }

        public Task<PocoUser> FindByIdAsync(string userId, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<PocoUser> FindByNameAsync(string normalizedUserName, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<string> GetNormalizedRoleNameAsync(PocoRole role, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<string> GetNormalizedUserNameAsync(PocoUser user, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<string> GetRoleIdAsync(PocoRole role, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<string> GetRoleNameAsync(PocoRole role, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<string> GetUserIdAsync(PocoUser user, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<string> GetUserNameAsync(PocoUser user, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task SetNormalizedRoleNameAsync(PocoRole role, string normalizedName, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task SetNormalizedUserNameAsync(PocoUser user, string normalizedName, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task SetRoleNameAsync(PocoRole role, string roleName, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task SetUserNameAsync(PocoUser user, string userName, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<IdentityResult> UpdateAsync(PocoRole role, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<IdentityResult> UpdateAsync(PocoUser user, CancellationToken cancellationToken = default(CancellationToken))
        {
            throw new NotImplementedException();
        }

        public Task<IdentityResult> ValidateAsync(RoleManager<PocoRole> manager, PocoRole role)
        {
            throw new NotImplementedException();
        }

        public Task<IdentityResult> ValidateAsync(UserManager<PocoUser> manager, PocoUser user)
        {
            throw new NotImplementedException();
        }

        public Task<IdentityResult> ValidateAsync(UserManager<PocoUser> manager, PocoUser user, string password)
        {
            throw new NotImplementedException();
        }

        Task<PocoRole> IRoleStore<PocoRole>.FindByIdAsync(string roleId, CancellationToken cancellationToken)
        {
            throw new NotImplementedException();
        }

        Task<PocoRole> IRoleStore<PocoRole>.FindByNameAsync(string roleName, CancellationToken cancellationToken)
        {
            throw new NotImplementedException();
        }
    }

    private class MySignInManager : SignInManager<PocoUser>
    {
        public MySignInManager(UserManager<PocoUser> manager, IHttpContextAccessor context, IUserClaimsPrincipalFactory<PocoUser> claimsFactory) : base(manager, context, claimsFactory, null, null, null, null) { }
    }

    private class MyUserManager : UserManager<PocoUser>
    {
        public MyUserManager(IUserStore<PocoUser> store) : base(store, null, null, null, null, null, null, null, null) { }
    }

    private class MyClaimsPrincipalFactory : UserClaimsPrincipalFactory<PocoUser, PocoRole>
    {
        public MyClaimsPrincipalFactory(UserManager<PocoUser> userManager, RoleManager<PocoRole> roleManager, IOptions<IdentityOptions> optionsAccessor) : base(userManager, roleManager, optionsAccessor)
        {
        }
    }

    private class MyRoleManager : RoleManager<PocoRole>
    {
        public MyRoleManager(IRoleStore<PocoRole> store,
            IEnumerable<IRoleValidator<PocoRole>> roleValidators) : base(store, null, null, null, null)
        {

        }
    }

    private class MyUserConfirmation : DefaultUserConfirmation<PocoUser>
    {
    }
}
