package qbittorrent

import (
	"context"
	"crypto/tls"
	"net"
	"net/http"
	"time"

	"go.opentelemetry.io/otel"
)

var trace = otel.Tracer("git.kmsign.ru/royalcat/tstor/pkg/qbittorrent")

// Client represents a qBittorrent client
type Client interface {
	// Authentication auth qBittorrent client
	Authentication() Authentication
	// Application get qBittorrent application info
	Application() Application
	// Log get qBittorrent log
	Log() Log
	// Sync get qBittorrent events
	Sync() Sync
	// Transfer transfer manage
	Transfer() Transfer
	// Torrent manage for torrent
	Torrent() Torrent
	// Search api for search
	Search() Search
	// RSS api for rss
	RSS() RSS
}

func NewClient(ctx context.Context, cfg *Config) (Client, error) {
	var c = &client{config: cfg, client: newClient(cfg.ConnectionMaxIdles, cfg.ConnectionTimeout)}
	return c, nil
}

func LoginClient(ctx context.Context, cfg *Config) (Client, error) {
	var c = &client{config: cfg, client: newClient(cfg.ConnectionMaxIdles, cfg.ConnectionTimeout)}
	if err := c.Authentication().Login(ctx); err != nil {
		return nil, err
	}
	if cfg.RefreshCookie {
		go c.refreshCookie()
	}
	return c, nil
}

// newClient creates and returns a new clientPool
func newClient(maxIdle int, timeout time.Duration) *http.Client {
	if maxIdle == 0 {
		maxIdle = 128
	}
	if timeout == 0 {
		timeout = time.Second * 3
	}

	return &http.Client{
		Transport: &http.Transport{
			Proxy: http.ProxyFromEnvironment,
			DialContext: (&net.Dialer{
				Timeout:   30 * time.Second,
				KeepAlive: 30 * time.Second,
			}).DialContext,
			TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
			MaxIdleConns:    maxIdle,
		},
		Timeout: timeout,
	}
}