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pub mod r#impl;

use bincode::{Decode, Encode};
use serde::{Deserialize, Serialize};
use std::path::PathBuf;

#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct Item {
    pub public: ItemPublic,
    pub private: ItemPrivate,
}

#[rustfmt::skip]
#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct ItemPrivate {
    #[serde(default)] pub poster: Option<PathBuf>,
    #[serde(default)] pub backdrop: Option<PathBuf>,
    #[serde(default)] pub source: Option<MediaSource>,
}

#[rustfmt::skip]
#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct ItemPublic {
    pub kind: ItemKind,
    pub title: String,
    #[serde(default)] pub tagline: Option<String>,
    #[serde(default)] pub description: Option<String>,
    #[serde(default)] pub poster: Option<PathBuf>,
    #[serde(default)] pub backdrop: Option<PathBuf>,
    #[serde(default)] pub index: Option<usize>,
    #[serde(default)] pub media: Option<MediaInfo>,
}

#[derive(Debug, Clone, Deserialize, Serialize)]
#[serde(rename_all = "snake_case")]
pub enum ItemKind {
    Collection,
    Series,
    Show,
    Season,
}

#[derive(Debug, Clone, Deserialize, Serialize)]
pub enum MediaSource {
    Local { tracks: Vec<LocalTrack> },
    Remote { host: String, remote_id: String },
}

#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct LocalTrack {
    pub path: PathBuf,
    pub track: usize,
    pub codec_private: Option<Vec<u8>>,
}

#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct MediaInfo {
    pub duration: f64, // in seconds
    pub tracks: Vec<SourceTrack>,
}

#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct SourceTrack {
    pub kind: SourceTrackKind,
    pub name: String,
    pub codec: String,
    pub language: String,
    pub default_duration: Option<u64>,
}

#[derive(Debug, Clone, Deserialize, Serialize)]
#[serde(rename_all = "snake_case")]
pub enum SourceTrackKind {
    Video {
        width: u64,
        height: u64,
        fps: f64,
    },
    Audio {
        channels: usize,
        sample_rate: f64,
        bit_depth: usize,
    },
    Subtitles,
}

#[derive(Debug, Clone, Decode, Encode)]
pub struct SeekIndex {
    pub blocks: Vec<BlockIndex>,
}

#[derive(Debug, Clone, Decode, Encode)]
pub struct BlockIndex {
    pub pts: u64,
    pub source_off: usize,
    pub size: usize,
}