using Raylib;
using static Raylib.Raylib;

public partial class audio_music_stream
{
    /*******************************************************************************************
    *
    *   raylib [audio] example - IntPtr playing (streaming)
    *
    *   NOTE: This example requires OpenAL Soft library installed
    *
    *   This example has been created using raylib 1.3 (www.raylib.com)
    *   raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
    *
    *   Copyright (c) 2015 Ramon Santamaria (@raysan5)
    *
    ********************************************************************************************/


    public static int Main()
    {
        // Initialization
        //--------------------------------------------------------------------------------------
        int screenWidth = 800;
        int screenHeight = 450;

        InitWindow(screenWidth, screenHeight, "raylib [audio] example - music playing (streaming)");

        InitAudioDevice();              // Initialize audio device

        var music = LoadMusicStream("resources/guitar_noodling.ogg");

        PlayMusicStream(music);

        float timePlayed = 0.0f;
        bool pause = false;

        SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
        //--------------------------------------------------------------------------------------

        // Main game loop
        while (!WindowShouldClose())    // Detect window close button or ESC key
        {
            // Update
            //----------------------------------------------------------------------------------
            UpdateMusicStream(music);        // Update music buffer with new stream data

            // Restart music playing (stop and play)
            if (IsKeyPressed(KEY_SPACE))
            {
                StopMusicStream(music);
                PlayMusicStream(music);
            }

            // Pause/Resume music playing
            if (IsKeyPressed(KEY_P))
            {
                pause = !pause;

                if (pause) PauseMusicStream(music);
                else ResumeMusicStream(music);
            }

            // Get timePlayed scaled to bar dimensions (400 pixels)
            timePlayed = GetMusicTimePlayed(music)/GetMusicTimeLength(music)*400;
            //----------------------------------------------------------------------------------

            // Draw
            //----------------------------------------------------------------------------------
            BeginDrawing();

                ClearBackground(RAYWHITE);

                DrawText("MUSIC SHOULD BE PLAYING!", 255, 150, 20, LIGHTGRAY);

                DrawRectangle(200, 200, 400, 12, LIGHTGRAY);
                DrawRectangle(200, 200, (int)timePlayed, 12, MAROON);
                DrawRectangleLines(200, 200, 400, 12, GRAY);

                DrawText("PRESS SPACE TO RESTART MUSIC", 215, 250, 20, LIGHTGRAY);
                DrawText("PRESS P TO PAUSE/RESUME MUSIC", 208, 280, 20, LIGHTGRAY);

            EndDrawing();
            //----------------------------------------------------------------------------------
        }

        // De-Initialization
        //--------------------------------------------------------------------------------------
        UnloadMusicStream(music);   // Unload music stream buffers from RAM

        CloseAudioDevice();         // Close audio device (music streaming is automatically stopped)

        CloseWindow();              // Close window and OpenGL context
        //--------------------------------------------------------------------------------------

        return 0;
    }
}