pub mod api;
pub mod r#impl;

use bincode::{Decode, Encode};
use serde::{Deserialize, Serialize};
use std::{collections::BTreeMap, path::PathBuf, ops::Deref};

#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct CommmonInfo {
    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>,
}

#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct DirectoryInfo {
    #[serde(flatten)]
    pub commmon: CommmonInfo,
    #[serde(default)]
    pub kind: DirectoryKind,
}

#[derive(Debug, Clone, Deserialize, Serialize)]
#[serde(rename_all = "snake_case")]
pub enum DirectoryKind {
    Folder,
    Series,
    Show,
    Season,
}
impl Default for DirectoryKind {
    fn default() -> Self {
        Self::Folder
    }
}

#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct ItemInfo {
    #[serde(flatten)]
    pub commmon: CommmonInfo,
    pub duration: f64, // in seconds
    pub tracks: BTreeMap<usize, SourceTrack>,
}

#[derive(Debug, Clone, Deserialize, Serialize)]
pub struct SourceTrack {
    pub path: PathBuf,
    pub track_number: u64,
    pub kind: SourceTrackKind,
    pub name: String,
    pub codec: String,
    pub language: String,
    pub default_duration: Option<u64>,
    pub codec_private: Option<Vec<u8>>,
}

#[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,
}

impl Deref for ItemInfo {
    type Target = CommmonInfo;
    fn deref(&self) -> &Self::Target {
        &self.commmon
    }
}
impl Deref for DirectoryInfo {
    type Target = CommmonInfo;
    fn deref(&self) -> &Self::Target {
        &self.commmon
    }
}