use adw::Application;
use std::time::Duration;
use gtk::Video;
use gtk::gio;
use std::fs::File;
use std::path::Path;
use gtk::prelude::*;
use gtk::{self, ApplicationWindow, Button, prelude::*, ListBox, FlowBox, PolicyType, ScrolledWindow, Box, Orientation, Align::*};
use gst::prelude::*;
use std::io::Write;
use anyhow::Error;
use crate::inv::*;
mod inv;


const APP_ID: &str = "org.gtk_rs.MainEventLoop1";

fn main() {
    // Create a new application
    let app = Application::builder().application_id(APP_ID).build();

    // Connect to "activate" signal of `app`
    app.connect_activate(build_ui);
    
    //print!("{:?}", output);
    // Run the application
    match VidPlayer() {
        Ok(_) => {}
        Err(err) => eprintln!("Failed: {}", err),
    }



    app.run();
}



fn build_ui(app: &Application) {
    // Create a button
    let button = Button::builder()
        .label("Press me!")
        .icon_name("fingerprint-authentication-symbolic")
        .valign(Fill)
        .vexpand(true)
        .margin_top(12)
        .margin_bottom(12)
        .margin_start(12)
        .margin_end(12)
        .build();

    //button.connect_clicked(move |_| trig_play());


    let video = Video::for_file(Some(&gio::File::for_path("/home/midou/Vidéos/miui.mp4")));
    //let output = inv::inv();

    //let video = Video::for_media_stream(Some(&output));
    
    /*
    // Set a listBox
    let listbox = ListBox::builder()
        .child(&video)
        .build();

    */

    // Set a box
    let boxy = Box::new(Orientation::Vertical, 0);
    boxy.append(&video);
    boxy.append(&button);

    // Then make the window scrollable
    let scrolled_window = ScrolledWindow::builder()
        // .hscrollbar_policy(PolicyType::Never) // Disable horizontal scrolling
        // .hscrollbar_policy() 
        .min_content_width(360)
        .child(&boxy)
        .build();

    // Create a window
    let window = ApplicationWindow::builder()
        .application(app)
        .default_width(1280)
        .default_height(720)
        .title("My GTK App")
        .child(&scrolled_window)
        .build();

    // Present window
    window.present();
}

//fn trig_play() {
//    let trigger = 
//}

use gst::prelude::*;

fn VidPlayer() -> Result<(), Error>  {
 // Initialize GStreamer
 gst::init()?;

 // Build the pipeline
 //let uri =
     //"https://www.freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm";
    let uri = inv().unwrap();
    println!("{:?}", uri);
    let pipeline = gst::parse_launch(&format!("playbin uri={:?}", uri))?;

 // Start playing
 let res = pipeline.set_state(gst::State::Playing)?;
 let is_live = res == gst::StateChangeSuccess::NoPreroll;

 let main_loop = glib::MainLoop::new(None, false);
 let main_loop_clone = main_loop.clone();
 let pipeline_weak = pipeline.downgrade();
 let bus = pipeline.bus().expect("Pipeline has no bus");
 bus.add_watch(move |_, msg| {
     let pipeline = match pipeline_weak.upgrade() {
         Some(pipeline) => pipeline,
         None => return glib::Continue(true),
     };
     let main_loop = &main_loop_clone;
     match msg.view() {
         gst::MessageView::Error(err) => {
             println!(
                 "Error from {:?}: {} ({:?})",
                 err.src().map(|s| s.path_string()),
                 err.error(),
                 err.debug()
             );
             let _ = pipeline.set_state(gst::State::Ready);
             main_loop.quit();
         }
         gst::MessageView::Eos(..) => {
             // end-of-stream
             let _ = pipeline.set_state(gst::State::Ready);
             main_loop.quit();
         }
         gst::MessageView::Buffering(buffering) => {
             // If the stream is live, we do not care about buffering
             if is_live {
                 return glib::Continue(true);
             }

             let percent = buffering.percent();
             print!("Buffering ({}%)\r", percent);
             match std::io::stdout().flush() {
                 Ok(_) => {}
                 Err(err) => eprintln!("Failed: {}", err),
             };

             // Wait until buffering is complete before start/resume playing
             if percent < 100 {
                 let _ = pipeline.set_state(gst::State::Paused);
             } else {
                 let _ = pipeline.set_state(gst::State::Playing);
             }
         }
         gst::MessageView::ClockLost(_) => {
             // Get a new clock
             let _ = pipeline.set_state(gst::State::Paused);
             let _ = pipeline.set_state(gst::State::Playing);
         }
         _ => (),
     }
     glib::Continue(true)
 })
 .expect("Failed to add bus watch");

 main_loop.run();

 bus.remove_watch()?;
 pipeline.set_state(gst::State::Null)?;

 Ok(())
}