using System;
using System.IO;
using System.Reflection;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace Jellyfin.Plugin.JRay.Controllers;

/// <summary>
/// Serves static client-side assets for JRay, e.g. the pause-overlay script
/// injected into the web client.
/// </summary>
[ApiController]
[Route("Plugins/JRay")]
[AllowAnonymous]
public class WebController : ControllerBase
{
    private const string OverlayScriptResource = "Jellyfin.Plugin.JRay.Web.jray-overlay.js";

    /// <summary>
    /// Gets the pause-overlay client script.
    /// </summary>
    /// <returns>The JavaScript source for the pause overlay.</returns>
    [HttpGet("ClientScript")]
    [ProducesResponseType(StatusCodes.Status200OK)]
    public IActionResult GetClientScript()
    {
        var assembly = Assembly.GetExecutingAssembly();
        var stream = assembly.GetManifestResourceStream(OverlayScriptResource)
            ?? throw new InvalidOperationException($"Embedded resource '{OverlayScriptResource}' not found.");

        return File(stream, "application/javascript");
    }
}