@page "/Auth"

<h1>Auth</h1>
<u>User:</u><br/>
<span>Username (L?, R): </span>
<FancyTextBox @bind-Value="@AuthData.Username"/><br/>
<span>Email (L? R): </span>
<FancyTextBox @bind-Value="@AuthData.Email"/><br/>
<span>Password (L, R): </span>
<FancyTextBox @bind-Value="@AuthData.Password" IsPassword="true"/><br/>
<span>Type (R): </span>
<FancyTextBox @bind-Value="@AuthData.UserType"/><span> (one of user|monitor|admin)</span><br/>
<LinkButton OnClick="@Randomise">Randomise</LinkButton>
<LinkButton OnClick="@Register">Register</LinkButton>
<LinkButton OnClick="@Login">Login</LinkButton>
<LinkButton OnClick="@WhoAmI">Who Am I</LinkButton>
<LinkButton OnClick="@Delete">Delete</LinkButton>
<LinkButton OnClick="@MakeFullAdmin">Register superadmin</LinkButton>
<br/><br/>

<u>Monitor:</u><br/>
<span>User ID: </span>
<FancyTextBox @bind-Value="@TargetUserId"/><br/>
<LinkButton OnClick="@GetAssignedUsers">Get</LinkButton>
<LinkButton OnClick="@AddAssignedUser">Add</LinkButton>
<LinkButton OnClick="@RemoveAssignedUser">Remove</LinkButton>
<br/><br/>

<u>Devices:</u><br/>
@if (CurrentDevice is not null) {
    <span>Device ID: @CurrentDevice.Id</span><br/>
    <span>Log in date: @CurrentDevice.CreatedAt</span><br/>
    <span>Last seen: @CurrentDevice.LastSeen</span><br/>
    <span>Device name: </span>
    <FancyTextBox @bind-Value="@CurrentDevice.Name"/><br/>
    <LinkButton OnClick="@GetDevice">Get</LinkButton>
    <LinkButton OnClick="@UpdateDevice">Update</LinkButton>
    <LinkButton OnClick="@DeleteDevice">Delete</LinkButton>
    <LinkButton OnClick="@GetAllDevices">Get all</LinkButton>
}

@if (Exception != null) {
    <div class="alert alert-danger">
        <strong>Error:</strong><br/>
        <pre>
            @Exception
        </pre>
    </div>
}

@if (Result != null) {
    <div class="alert alert-success">
        <strong>Result:</strong><br/>
        <pre>
            @Result.ToJson(indent: true)
        </pre>
    </div>
}

@code {

    private RegisterDto AuthData { get; set; } = new() {
        Username = string.Empty,
        UserType = string.Empty,
        Email = String.Empty,
        Password = string.Empty
    };

    private DeviceDto? CurrentDevice { get; set; }

    private string TargetUserId { get; set; } = string.Empty;

    private Exception? Exception { get; set; }
    private object? Result { get; set; }

    private async Task Randomise() {
        AuthData.Username = Guid.NewGuid().ToString();
        AuthData.Email = Guid.NewGuid() + "@example.com";
        AuthData.Password = Guid.NewGuid().ToString();
        AuthData.UserType = Random.Shared.GetItems(["user", "monitor", "admin"], 1)[0];
        StateHasChanged();
    }

    private async Task Register() {
        Result = null;
        Exception = null;
        try {
            await Authentication.Register(new() {
                Username = AuthData.Username,
                Password = AuthData.Password,
                Email = AuthData.Email,
                UserType = AuthData.UserType
            });
        }
        catch (Exception ex) {
            Exception = ex;
        }

        StateHasChanged();
    }

    private async Task Login() {
        Result = null;
        Exception = null;
        try {
            AuthResult result;
            Result = result = await Authentication.Login(new() {
                Username = AuthData.Username,
                Password = AuthData.Password,
                Email = AuthData.Email
            });
            App.Client = new SafeNSoundClient(Config, result.AccessToken);
            CurrentDevice = await App.Client.GetDevice(
                (await App.Client.WhoAmI()).DeviceId
            );
        }
        catch (Exception ex) {
            Exception = ex;
        }

        StateHasChanged();
    }

    private async Task Delete() {
        Result = null;
        Exception = null;
        try {
            await Authentication.Delete(new() {
                Username = AuthData.Username,
                Password = AuthData.Password,
                Email = AuthData.Email
            });
        }
        catch (Exception ex) {
            Exception = ex;
        }

        StateHasChanged();
    }

    private async Task WhoAmI() {
        Result = null;
        Exception = null;
        try {
            Result = await App.Client!.WhoAmI();
        }
        catch (Exception ex) {
            Exception = ex;
        }

        StateHasChanged();
    }

    private async Task GetAssignedUsers() {
        Result = null;
        Exception = null;
        try {
            Result = await App.Client!.GetAssignedUsers();
        }
        catch (Exception ex) {
            Exception = ex;
        }

        StateHasChanged();
    }

    private async Task AddAssignedUser() {
        Result = null;
        Exception = null;
        try {
            await App.Client!.AddAssignedUser(TargetUserId);
            await GetAssignedUsers();
        }
        catch (Exception ex) {
            Exception = ex;
        }

        StateHasChanged();
    }

    private async Task RemoveAssignedUser() {
        Result = null;
        Exception = null;
        try {
            await App.Client!.RemoveAssignedUser(TargetUserId);
            await GetAssignedUsers();
        }
        catch (Exception ex) {
            Exception = ex;
        }

        StateHasChanged();
    }

    private async Task MakeFullAdmin() {
        Result = null;
        Exception = null;
        try {
            AuthResult result;
            RegisterDto auth = new() {
                Username = Guid.NewGuid().ToString(),
                Password = Guid.NewGuid().ToString(),
                Email = Guid.NewGuid() + "@example.com",
                UserType = "admin"
            };
            await Authentication.Register(auth);
            Result = result = await Authentication.Login(auth);
            App.Client = new SafeNSoundClient(Config, result.AccessToken);
            await App.Client.MonitorAllUsers();
        }
        catch (Exception ex) {
            Exception = ex;
        }

        StateHasChanged();
    }

    private async Task GetDevice() {
        Result = CurrentDevice = await App.Client!.GetDevice(CurrentDevice!.Id!);
        StateHasChanged();
    }

    private async Task UpdateDevice() {
        await App.Client!.UpdateDevice(CurrentDevice!.Id!, new() {
            Name = CurrentDevice.Name
        });
        await GetDevice();
    }

    private async Task DeleteDevice() {
        await App.Client!.DeleteDevice(CurrentDevice!.Id!);
    }

    private async Task GetAllDevices() {
        Result = await App.Client!.GetDevices();
        StateHasChanged();
    }

}