@page "/setup"
@rendermode InteractiveServer
@using CannedNet.Admin.Services
@inject AdminAuthService AuthService
@inject NavigationManager Navigation

<PageTitle>First-Time Setup</PageTitle>

<div class="row justify-content-center mt-5">
    <div class="col-md-6">
        <div class="card">
            <div class="card-header"><h4 class="mb-0">First-Time Setup</h4></div>
            <div class="card-body">
                @if (completed)
                {
                    <div class="alert alert-success">
                        <h5>Owner account created!</h5>
                        <p>You can now <a href="/login">log in</a> with your new admin account.</p>
                    </div>
                }
                else if (AuthService.HasAnyUser())
                {
                    <div class="alert alert-info">
                        Admin accounts already exist. <a href="/login">Go to login</a>.
                    </div>
                }
                else
                {
                    <p class="text-muted">Create the initial owner account. This account will have full access and can create additional admin accounts.</p>
                    <form>
                        <div class="mb-3">
                            <label class="form-label">Username</label>
                            <input type="text" class="form-control" @bind="username" required />
                        </div>
                        <div class="mb-3">
                            <label class="form-label">Password</label>
                            <input type="password" class="form-control" @bind="password" required minlength="6" />
                        </div>
                        <div class="mb-3">
                            <label class="form-label">Confirm Password</label>
                            <input type="password" class="form-control" @bind="confirmPassword" required />
                        </div>
                        <button type="submit" class="btn btn-primary w-100" @onclick="CreateOwner" disabled="@creating">
                            @(creating ? "Creating..." : "Create Owner Account")
                        </button>
                        @if (!string.IsNullOrEmpty(message))
                        {
                            <div class="alert mt-3 @(message.Contains("Error") ? "alert-danger" : "alert-success")">@message</div>
                        }
                    </form>
                }
            </div>
        </div>
    </div>
</div>

@code {
    private string username = "";
    private string password = "";
    private string confirmPassword = "";
    private bool creating;
    private bool completed;
    private string? message;

    private async Task CreateOwner()
    {
        creating = true;
        message = null;

        try
        {
            if (string.IsNullOrWhiteSpace(username))
            {
                message = "Username is required.";
                return;
            }
            if (string.IsNullOrWhiteSpace(password) || password.Length < 6)
            {
                message = "Password must be at least 6 characters.";
                return;
            }
            if (password != confirmPassword)
            {
                message = "Passwords do not match.";
                return;
            }
            if (AuthService.HasAnyUser())
            {
                message = "Admin accounts already exist.";
                return;
            }
            if (AuthService.GetByUsername(username) != null)
            {
                message = "Username already taken.";
                return;
            }

            AuthService.CreateUser(username, password, isOwner: true);
            completed = true;
        }
        catch (Exception ex)
        {
            message = $"Error: {ex.Message}";
        }
        finally
        {
            creating = false;
        }
    }
}