@page "/register"
@inject NavigationManager Navigation
@inject IAuthenticationService AuthenticationService
@layout AuthLayout

<h3>Register</h3>

@if (!string.IsNullOrEmpty(_errorMessage))
{
    <div class="alert alert-danger mt-2">@_errorMessage</div>
}


<EditForm Model="_registerModel" OnValidSubmit="HandleRegister">
    <div class="form-group">
        <label>Name:</label>
        <InputText class="form-control" @bind-Value="_registerModel.Name"/>
    </div>
    <div class="form-group">
        <label>Email:</label>
        <InputText class="form-control" @bind-Value="_registerModel.Email"/>
    </div>
    <div class="form-group">
        <label>Password:</label>
        <InputText class="form-control" @bind-Value="_registerModel.Password" type="password"/>
    </div>
    <div class="form-group">
        <label>Role:</label>
        <InputSelect class="form-control" @bind-Value="_registerModel.Role">
            <option value="">Select a role</option>
            <option value="Doctor">Doctor</option>
            <option value="Patient">Patient</option>
        </InputSelect>
    </div>
    <button type="submit" class="btn btn-primary">Register</button>
</EditForm>

@code {
    private readonly UserRegisterModel _registerModel = new();
    private string _errorMessage = string.Empty;

    private async Task HandleRegister()
    {
        _errorMessage = string.Empty;
        var response = await AuthenticationService.Register(_registerModel);

        if (response.StatusCode == 201)
        {
            // Registration successful, navigate to login page
            Navigation.NavigateTo("/login", true);
        }
        else
        {
            _errorMessage = response.Message; // Display error message
        }
    }

    protected override async Task OnInitializedAsync()
    {
        var token = await AuthenticationService.GetAuthToken();
        var handler = new JwtSecurityTokenHandler();
        var jwtToken = handler.ReadJwtToken(token);
        var role = jwtToken.Claims.FirstOrDefault(c => c.Type == "role")?.Value;

        switch (role)
        {
            case UserRoles.Admin:
                Navigation.NavigateTo("/admin/dashboard", true);
                break;
            case UserRoles.Doctor:
                Navigation.NavigateTo("/doctor/dashboard", true);
                break;
            case UserRoles.Patient:
                Navigation.NavigateTo("/patient/dashboard", true);
                break;
        }
    }

}