use serde::{Deserialize, Serialize};
use chrono::{DateTime, Utc};

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SpotifyConfig {
    pub client_id: String,
    pub client_secret: String,
    pub redirect_uri: String,
    pub scopes: Vec<String>,
}

impl Default for SpotifyConfig {
    fn default() -> Self {
        Self {
            client_id: String::new(),
            client_secret: String::new(),
            redirect_uri: "https://spotify.tougie.live".to_string(),
            scopes: vec![
                "user-read-currently-playing".to_string(),
                "user-read-playback-state".to_string(),
            ],
        }
    }
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct TokenInfo {
    pub access_token: String,
    pub refresh_token: Option<String>,
    pub expires_at: DateTime<Utc>,
    pub token_type: String,
}

#[derive(Debug, Deserialize)]
pub struct TokenResponse {
    pub access_token: String,
    pub token_type: String,
    pub scope: String,
    pub expires_in: u64,
    pub refresh_token: Option<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Artist {
    pub id: String,
    pub name: String,
    pub external_urls: ExternalUrls,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Album {
    pub id: String,
    pub name: String,
    pub artists: Vec<Artist>,
    pub external_urls: ExternalUrls,
    pub images: Vec<Image>,
    pub release_date: Option<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Track {
    pub id: String,
    pub name: String,
    pub artists: Vec<Artist>,
    pub album: Album,
    pub duration_ms: u64,
    pub explicit: bool,
    pub external_urls: ExternalUrls,
    pub popularity: Option<u32>,
    pub preview_url: Option<String>,
    pub track_number: u32,
    pub is_local: bool,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ExternalUrls {
    pub spotify: String,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Image {
    pub url: String,
    pub height: Option<u32>,
    pub width: Option<u32>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Context {
    pub external_urls: ExternalUrls,
    pub href: String,
    #[serde(rename = "type")]
    pub context_type: String,
    pub uri: String,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Device {
    pub id: Option<String>,
    pub is_active: bool,
    pub is_private_session: bool,
    pub is_restricted: bool,
    pub name: String,
    #[serde(rename = "type")]
    pub device_type: String,
    pub volume_percent: Option<u32>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CurrentTrack {
    pub timestamp: u64,
    pub context: Option<Context>,
    pub progress_ms: Option<u64>,
    pub item: Option<Track>,
    pub currently_playing_type: String,
    pub actions: Actions,
    pub is_playing: bool,
    pub device: Option<Device>,
    pub repeat_state: Option<String>,
    pub shuffle_state: Option<bool>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct Actions {
    pub interrupting_playback: Option<bool>,
    pub pausing: Option<bool>,
    pub resuming: Option<bool>,
    pub seeking: Option<bool>,
    pub skipping_next: Option<bool>,
    pub skipping_prev: Option<bool>,
    pub toggling_repeat_context: Option<bool>,
    pub toggling_shuffle: Option<bool>,
    pub toggling_repeat_track: Option<bool>,
    pub transferring_playback: Option<bool>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SimplifiedCurrentTrack {
    pub track_name: String,
    pub artist_name: String,
    pub album_name: String,
    pub is_playing: bool,
    pub progress_ms: Option<u64>,
    pub duration_ms: u64,
    pub external_url: String,
    pub image_url: Option<String>,
    pub timestamp: DateTime<Utc>,
}

impl From<CurrentTrack> for Option<SimplifiedCurrentTrack> {
    fn from(current: CurrentTrack) -> Self {
        let track = current.item?;
        let artist_names: Vec<String> = track.artists.iter().map(|a| a.name.clone()).collect();
        let image_url = track.album.images.first().map(|img| img.url.clone());
        
        Some(SimplifiedCurrentTrack {
            track_name: track.name,
            artist_name: artist_names.join(", "),
            album_name: track.album.name,
            is_playing: current.is_playing,
            progress_ms: current.progress_ms,
            duration_ms: track.duration_ms,
            external_url: track.external_urls.spotify,
            image_url,
            timestamp: Utc::now(),
        })
    }
}