package torrent

import (
	"context"
	"errors"
)

var (
	ErrNotConnected     = errors.New("not connected")
	ErrAuthFailed       = errors.New("authentication failed")
	ErrTorrentNotFound  = errors.New("torrent not found")
	ErrInvalidRequest   = errors.New("invalid request")
	ErrConnectionFailed = errors.New("connection failed")
)

type TorrentState string

const (
	StateDownloading TorrentState = "downloading"
	StateSeeding     TorrentState = "seeding"
	StatePaused      TorrentState = "paused"
	StateQueued      TorrentState = "queued"
	StateChecking    TorrentState = "checking"
	StateError       TorrentState = "error"
	StateUnknown     TorrentState = "unknown"
)

type TorrentInfo struct {
	Hash          string       `json:"hash"`
	Name          string       `json:"name"`
	Size          uint64       `json:"size"`
	Progress      float64      `json:"progress"`
	DownloadSpeed uint64       `json:"download_speed"`
	UploadSpeed   uint64       `json:"upload_speed"`
	State         TorrentState `json:"state"`
	SavePath      string       `json:"save_path"`
}

type Client interface {
	Connect(ctx context.Context) error
	Disconnect(ctx context.Context) error
	ListTorrents(ctx context.Context) ([]TorrentInfo, error)
	GetTorrent(ctx context.Context, hash string) (*TorrentInfo, error)
	AddTorrentURL(ctx context.Context, url string, savePath *string) error
	AddTorrentFile(ctx context.Context, data []byte, savePath *string) error
	RemoveTorrent(ctx context.Context, hash string, deleteFiles bool) error
	PauseTorrent(ctx context.Context, hash string) error
	ResumeTorrent(ctx context.Context, hash string) error
}