#[cfg(target_os = "macos")]
use objc2::rc::Retained;
#[cfg(target_os = "macos")]
use objc2::runtime::AnyObject;
#[cfg(target_os = "macos")]
use objc2_foundation::{NSNumber, NSString};
#[cfg(target_os = "macos")]
use objc2_media_player::{
    MPMediaItemPropertyAlbumArtist, MPMediaItemPropertyAlbumTitle, MPMediaItemPropertyArtist,
    MPMediaItemPropertyArtwork, MPMediaItemPropertyTitle, MPNowPlayingInfoCenter,
    MPNowPlayingInfoPropertyAssetURL, MPNowPlayingInfoPropertyIsLiveStream,
    MPNowPlayingInfoPropertyMediaType, MPNowPlayingPlaybackState,
};

use crate::state;
use tauri::plugin::{Builder, TauriPlugin};
use tauri::{AppHandle, Manager, Runtime, State};

#[cfg(target_os = "macos")]
pub fn setup_handlers(app: &'static AppHandle) {
    let state = app.state::<state::AppData>();

    let shared = unsafe { objc2_media_player::MPRemoteCommandCenter::sharedCommandCenter() };
    let state_clone = state.clone();
    let app_clone = app.clone();
    let play_handler = block2::StackBlock::new(
        move |_: core::ptr::NonNull<objc2_media_player::MPRemoteCommandEvent>| {
            crate::music::commands::resume_inner(app_clone.clone(), state_clone.clone());
            objc2_media_player::MPRemoteCommandHandlerStatus::Success
        },
    );
    let state_clone = state.clone();
    let app_clone = app.clone();
    let pause_handler = block2::StackBlock::new(
        move |_: core::ptr::NonNull<objc2_media_player::MPRemoteCommandEvent>| {
            crate::music::commands::pause_inner(app_clone.clone(), state_clone.clone());
            objc2_media_player::MPRemoteCommandHandlerStatus::Success
        },
    );
    let state_clone = state.clone();
    let app_clone = app.clone();
    let toggle_play_pause_handler = block2::StackBlock::new(
        move |_: core::ptr::NonNull<objc2_media_player::MPRemoteCommandEvent>| {
            let app_clone_clone = app_clone.clone();
            let state_clone_clone = state_clone.clone();
            if crate::music::core::is_playing(&state_clone_clone) {
                crate::music::commands::pause(app_clone_clone, state_clone_clone);
            } else {
                crate::music::commands::resume(app_clone_clone, state_clone_clone);
            }
            objc2_media_player::MPRemoteCommandHandlerStatus::Success
        },
    );
    unsafe {
        shared.playCommand().addTargetWithHandler(&play_handler);
        shared.pauseCommand().addTargetWithHandler(&pause_handler);
        shared
            .togglePlayPauseCommand()
            .addTargetWithHandler(&toggle_play_pause_handler);
    }
}

#[cfg(target_os = "macos")]
pub fn set_now_playing(metadata: crate::music::core::MetadataResult) {
    let default = unsafe { MPNowPlayingInfoCenter::defaultCenter() };

    let keys = unsafe {
        &[
            // MPNowPlayingInfoPropertyAssetURL,
            MPNowPlayingInfoPropertyMediaType,
            MPNowPlayingInfoPropertyIsLiveStream,
            MPMediaItemPropertyTitle,
            MPMediaItemPropertyArtist,
            // MPMediaItemPropertyArtwork,
            MPMediaItemPropertyAlbumArtist,
            MPMediaItemPropertyAlbumTitle,
        ]
    };
    let owned_objects: &[Retained<AnyObject>] = &[
        // Retained::into_super(Retained::into_super(NSString::from_str(
        //     "https://example.com",
        // ))),
        Retained::into_super(Retained::into_super(Retained::into_super(
            NSNumber::numberWithInt(1),
        ))),
        Retained::into_super(Retained::into_super(Retained::into_super(
            NSNumber::numberWithBool(false),
        ))),
        Retained::into_super(Retained::into_super(NSString::from_str(
            &metadata
                .tags
                .get("TrackTitle")
                .and_then(|v| v.as_str())
                .unwrap_or("Unknown Title")
                .to_string(),
        ))),
        Retained::into_super(Retained::into_super(NSString::from_str(
            &metadata
                .tags
                .get("Artist")
                .and_then(|v| v.as_str())
                .unwrap_or("Unknown Artist")
                .to_string(),
        ))),
        // Retained::into_super(Retained::into_super(NSString::from_str("Artwork"))),
        Retained::into_super(Retained::into_super(NSString::from_str(
            &metadata
                .tags
                .get("AlbumArtist")
                .and_then(|v| v.as_str())
                .unwrap_or("Unknown Artist")
                .to_string(),
        ))),
        Retained::into_super(Retained::into_super(NSString::from_str(
            &metadata
                .tags
                .get("Album")
                .and_then(|v| v.as_str())
                .unwrap_or("Unknown Album")
                .to_string(),
        ))),
    ];
    let dictionary = objc2_foundation::NSDictionary::from_retained_objects(keys, owned_objects);
    unsafe {
        MPNowPlayingInfoCenter::setNowPlayingInfo(&*default, Some(dictionary.as_ref()));
        MPNowPlayingInfoCenter::setPlaybackState(&*default, MPNowPlayingPlaybackState::Playing);
    }
}