use std::path::PathBuf;

use serde::Deserialize;
use serde::Serialize;

#[derive(Clone, Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Torrent {
    pub id: u16,
    pub error: u8,
    pub error_string: String,
    pub eta: i64, // TODO:  Option<u64> with -1 as None
    pub is_finished: bool,
    pub left_until_done: u64, // TODO:  u32?
    pub name: String,
    pub peers_getting_from_us: u16,
    pub peers_sending_to_us: u16,
    pub rate_download: u32,
    pub rate_upload: u32,
    pub size_when_done: u64,
    pub status: u8,
    pub upload_ratio: f32,
}

#[derive(Debug, Serialize)]
pub struct AddTorrent {
    pub filename: String,
    #[serde(rename = "download-dir")]
    pub download_dir: String,
}

#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct AddedTorrent {
    pub id: u16,
    pub name: String,
    pub hash_string: String,
}

#[derive(Debug, Deserialize, Serialize)]
#[serde(rename_all = "kebab-case")]
pub enum AddTorrentResponse {
    TorrentAdded(AddedTorrent),
    TorrentDuplicate(AddedTorrent),
}

#[derive(Debug, Serialize)]
#[serde(rename_all = "kebab-case")]
pub struct GetTorrentFilesRequest {
    fields: Vec<String>,
    ids: u16,
}

impl GetTorrentFilesRequest {
    pub fn new(id: u16) -> Self {
        Self {
            fields: vec!["files".to_string()],
            ids: id,
        }
    }
}

#[derive(Clone, Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct TorrentFile {
    pub name: PathBuf,
    pub bytes_completed: u64,
    pub length: u64,
}

impl TorrentFile {
    pub fn take_name(self) -> PathBuf {
        self.name
    }
}

#[derive(Debug, Deserialize)]
pub struct TorrentFileWrapper {
    pub files: Vec<TorrentFile>,
}

#[derive(Debug, Deserialize)]
pub struct GetTorrentFilesResponse {
    pub torrents: Vec<TorrentFileWrapper>,
}