Добавил логи

internal/metadata/tvdb.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"log/slog"
 	"net/http"
 	"net/url"
 	"strconv"
@@ -30,13 +31,14 @@ type TVDB struct {
 	apiKey  string
 	baseURL string
 	hc      *http.Client
+	log     *slog.Logger
 
 	mu    sync.Mutex
 	token string
 }
 
-// NewTVDB собирает клиент TVDB.
-func NewTVDB(cfg TVDBConfig) (*TVDB, error) {
+// NewTVDB собирает клиент TVDB. logger nil → slog.Default().
+func NewTVDB(cfg TVDBConfig, logger *slog.Logger) (*TVDB, error) {
 	if cfg.APIKey == "" {
 		return nil, fmt.Errorf("metadata: tvdb api_key required")
 	}
@@ -48,7 +50,10 @@ func NewTVDB(cfg TVDBConfig) (*TVDB, error) {
 	if base == "" {
 		base = tvdbDefaultBaseURL
 	}
-	return &TVDB{apiKey: cfg.APIKey, baseURL: strings.TrimRight(base, "/"), hc: hc}, nil
+	if logger == nil {
+		logger = slog.Default()
+	}
+	return &TVDB{apiKey: cfg.APIKey, baseURL: strings.TrimRight(base, "/"), hc: hc, log: logger}, nil
 }
 
 func (t *TVDB) Name() string { return "tvdb" }
@@ -65,7 +70,8 @@ func (t *TVDB) login(ctx context.Context) (string, error) {
 			Token string `json:"token"`
 		} `json:"data"`
 	}
-	if err := postJSON(ctx, t.hc, t.baseURL+"/login",
+	t.log.Debug("tvdb: login (fetching bearer token)")
+	if err := postJSON(ctx, t.hc, t.log, t.baseURL+"/login",
 		map[string]string{"apikey": t.apiKey}, &resp); err != nil {
 		return "", fmt.Errorf("tvdb login: %w", err)
 	}
@@ -87,6 +93,7 @@ func (t *TVDB) get(ctx context.Context, path string, out any) error {
 		return err
 	}
 	if status == http.StatusUnauthorized {
+		t.log.Warn("tvdb: token expired, re-login", "path", path)
 		t.mu.Lock()
 		t.token = "" // сбрасываем протухший токен
 		t.mu.Unlock()
@@ -113,15 +120,21 @@ func (t *TVDB) rawGet(ctx context.Context, path, token string) (int, []byte, err
 	}
 	req.Header.Set("Authorization", "Bearer "+token)
 	req.Header.Set("Accept", "application/json")
+	start := time.Now()
 	resp, err := t.hc.Do(req)
 	if err != nil {
+		t.log.Warn("tvdb: request failed",
+			"host", req.URL.Host, "path", req.URL.Path, "duration", time.Since(start), "err", err)
 		return 0, nil, fmt.Errorf("tvdb: request: %w", err)
 	}
 	defer func() { _ = resp.Body.Close() }()
 	raw, err := io.ReadAll(io.LimitReader(resp.Body, maxBody))
 	if err != nil {
+		t.log.Warn("tvdb: read body failed", "host", req.URL.Host, "path", req.URL.Path, "err", err)
 		return 0, nil, fmt.Errorf("tvdb: read body: %w", err)
 	}
+	t.log.Debug("tvdb: request done",
+		"host", req.URL.Host, "path", req.URL.Path, "status", resp.StatusCode, "duration", time.Since(start))
 	return resp.StatusCode, raw, nil
 }
 
@@ -143,10 +156,12 @@ func (t *TVDB) Search(ctx context.Context, q Query) ([]Candidate, error) {
 	if q.Year > 0 {
 		params.Set("year", strconv.Itoa(q.Year))
 	}
+	t.log.Debug("tvdb: search", "type", q.Type, "title", q.Title, "year", q.Year)
 	var resp tvdbSearchResp
 	if err := t.get(ctx, "/search?"+params.Encode(), &resp); err != nil {
 		return nil, fmt.Errorf("tvdb search: %w", err)
 	}
+	t.log.Debug("tvdb: search done", "title", q.Title, "results", len(resp.Data))
 	out := make([]Candidate, 0, len(resp.Data))
 	for _, r := range resp.Data {
 		if r.TVDBID == "" {