streamrip-go/internal/provider/deezer/client_test.go

package deezer

import (
	"context"
	"encoding/hex"
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"

	"streamrip-go/internal/jsonutil"

	"streamrip-go/internal/config"
)

func TestSearchTrack(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path == "/search/track" {
			_ = json.NewEncoder(w).Encode(map[string]any{"data": []any{map[string]any{"id": 1, "title": "Dreams", "artist": map[string]any{"name": "Fleetwood Mac"}}}})
			return
		}
		w.WriteHeader(http.StatusNotFound)
	}))
	defer ts.Close()

	cfgData := testConfigData()
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.loggedIn = true

	origBase := baseURL
	baseURL = ts.URL
	defer func() { baseURL = origBase }()

	pages, err := c.Search(context.Background(), "track", "dreams", 5)
	if err != nil {
		t.Fatalf("Search() error = %v", err)
	}
	if len(pages) != 1 {
		t.Fatalf("pages len = %d, want 1", len(pages))
	}
}

func TestGetMetadataArtistPaginatesAlbums(t *testing.T) {
	callCount := 0
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/artist/9":
			_ = json.NewEncoder(w).Encode(map[string]any{"id": 9, "name": "Lost Frequencies"})
		case "/artist/9/albums":
			callCount++
			index := r.URL.Query().Get("index")
			limit := r.URL.Query().Get("limit")
			if limit != "100" {
				w.WriteHeader(http.StatusBadRequest)
				_ = json.NewEncoder(w).Encode(map[string]any{"error": map[string]any{"message": "bad limit"}})
				return
			}
			switch index {
			case "0":
				items := make([]any, 0, 100)
				for i := 0; i < 100; i++ {
					items = append(items, map[string]any{"id": i + 1, "title": "Album"})
				}
				_ = json.NewEncoder(w).Encode(map[string]any{"data": items, "total": 101})
			case "100":
				_ = json.NewEncoder(w).Encode(map[string]any{"data": []any{map[string]any{"id": 101, "title": "Album 101"}}, "total": 101})
			default:
				w.WriteHeader(http.StatusBadRequest)
			}
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer ts.Close()

	cfgData := testConfigData()
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.loggedIn = true

	origBase := baseURL
	baseURL = ts.URL
	defer func() { baseURL = origBase }()

	meta, err := c.GetMetadata(context.Background(), "9", "artist")
	if err != nil {
		t.Fatalf("GetMetadata() error = %v", err)
	}
	albumsObj, _ := meta["albums"].(map[string]any)
	items, _ := albumsObj["items"].([]any)
	if len(items) != 101 {
		t.Fatalf("albums len = %d, want 101", len(items))
	}
	if got := strings.TrimSpace(jsonutil.StringFromAny(meta["name"])); got != "Lost Frequencies" {
		t.Fatalf("artist name = %q, want Lost Frequencies", got)
	}
	if callCount != 2 {
		t.Fatalf("call count = %d, want 2", callCount)
	}
}

func TestGetMetadataAlbumPaginatesTracks(t *testing.T) {
	callCount := 0
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/album/46514392":
			_ = json.NewEncoder(w).Encode(map[string]any{"id": 46514392, "title": "Clouseau30", "tracks": map[string]any{"data": []any{}}})
		case "/album/46514392/tracks":
			callCount++
			index := r.URL.Query().Get("index")
			limit := r.URL.Query().Get("limit")
			if limit != "100" {
				w.WriteHeader(http.StatusBadRequest)
				return
			}
			switch index {
			case "0":
				items := make([]any, 0, 100)
				for i := 0; i < 100; i++ {
					items = append(items, map[string]any{"id": i + 1, "title": "T"})
				}
				_ = json.NewEncoder(w).Encode(map[string]any{"data": items, "total": 105})
			case "100":
				items := make([]any, 0, 5)
				for i := 0; i < 5; i++ {
					items = append(items, map[string]any{"id": 101 + i, "title": "T"})
				}
				_ = json.NewEncoder(w).Encode(map[string]any{"data": items, "total": 105})
			default:
				w.WriteHeader(http.StatusBadRequest)
			}
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer ts.Close()

	cfgData := testConfigData()
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.loggedIn = true

	origBase := baseURL
	baseURL = ts.URL
	defer func() { baseURL = origBase }()

	meta, err := c.GetMetadata(context.Background(), "46514392", "album")
	if err != nil {
		t.Fatalf("GetMetadata() error = %v", err)
	}
	tracksObj, _ := meta["tracks"].(map[string]any)
	items, _ := tracksObj["items"].([]any)
	if len(items) != 105 {
		t.Fatalf("tracks len = %d, want 105", len(items))
	}
	if callCount != 2 {
		t.Fatalf("track page call count = %d, want 2", callCount)
	}
}

func TestGetMetadataPlaylistPaginatesTracks(t *testing.T) {
	callCount := 0
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/playlist/123":
			_ = json.NewEncoder(w).Encode(map[string]any{"id": 123, "title": "Mix", "tracks": map[string]any{"data": []any{}}})
		case "/playlist/123/tracks":
			callCount++
			index := r.URL.Query().Get("index")
			limit := r.URL.Query().Get("limit")
			if limit != "100" {
				w.WriteHeader(http.StatusBadRequest)
				return
			}
			switch index {
			case "0":
				items := make([]any, 0, 100)
				for i := 0; i < 100; i++ {
					items = append(items, map[string]any{"id": i + 1, "title": "T"})
				}
				_ = json.NewEncoder(w).Encode(map[string]any{"data": items, "total": 101})
			case "100":
				_ = json.NewEncoder(w).Encode(map[string]any{"data": []any{map[string]any{"id": 101, "title": "T"}}, "total": 101})
			default:
				w.WriteHeader(http.StatusBadRequest)
			}
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer ts.Close()

	cfgData := testConfigData()
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.loggedIn = true

	origBase := baseURL
	baseURL = ts.URL
	defer func() { baseURL = origBase }()

	meta, err := c.GetMetadata(context.Background(), "123", "playlist")
	if err != nil {
		t.Fatalf("GetMetadata() error = %v", err)
	}
	tracksObj, _ := meta["tracks"].(map[string]any)
	items, _ := tracksObj["items"].([]any)
	if len(items) != 101 {
		t.Fatalf("tracks len = %d, want 101", len(items))
	}
	if callCount != 2 {
		t.Fatalf("track page call count = %d, want 2", callCount)
	}
}

func TestGetDownloadableNativeCipher(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/track/42":
			_ = json.NewEncoder(w).Encode(map[string]any{"id": 42, "title": "X", "track_token": "tt"})
		case "/media":
			if got := strings.TrimSpace(r.Header.Get("Accept-Charset")); got != "UTF-8" {
				t.Fatalf("accept-charset = %q, want UTF-8", got)
			}
			var payload map[string]any
			if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
				w.WriteHeader(http.StatusBadRequest)
				return
			}
			media, _ := payload["media"].([]any)
			if len(media) != 1 {
				t.Fatalf("media length = %d, want 1", len(media))
			}
			entry, _ := media[0].(map[string]any)
			formats, _ := entry["formats"].([]any)
			if len(formats) != 6 {
				t.Fatalf("formats length = %d, want 6", len(formats))
			}
			_ = json.NewEncoder(w).Encode(map[string]any{"data": []any{map[string]any{"errors": []any{}, "media": []any{map[string]any{"cipher": map[string]any{"type": "BF_CBC_STRIPE"}, "format": "FLAC", "sources": []any{map[string]any{"url": "https://cdn.example/file"}}}}}}})
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer ts.Close()

	cfgData := testConfigData()
	cfgData.Deezer.ARL = "arl"
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.loggedIn = true
	c.arl = "arl"
	c.license = "license"
	c.jwt = "jwt"

	origBase := baseURL
	origMedia := mediaURL
	origPipe := pipeURL
	baseURL = ts.URL
	mediaURL = ts.URL + "/media"
	pipeURL = ts.URL + "/pipe"
	defer func() {
		baseURL = origBase
		mediaURL = origMedia
		pipeURL = origPipe
	}()

	d, err := c.GetDownloadable(context.Background(), "42", 2)
	if err != nil {
		t.Fatalf("GetDownloadable() error = %v", err)
	}
	if d.Cipher != "BF_CBC_STRIPE" || d.Extension != "flac" || d.TrackID != "42" {
		t.Fatalf("unexpected downloadable: %+v", d)
	}
	if d.Audio.Container != "FLAC" || d.Audio.Quality != "LOSSLESS" {
		t.Fatalf("unexpected audio profile: %+v", d.Audio)
	}
}

func TestGetDownloadablePrefersNoneCipherWhenAvailable(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/track/42":
			_ = json.NewEncoder(w).Encode(map[string]any{"id": 42, "title": "X", "track_token": "tt"})
		case "/media":
			_ = json.NewEncoder(w).Encode(map[string]any{"data": []any{map[string]any{"errors": []any{}, "media": []any{
				map[string]any{"cipher": map[string]any{"type": "BF_CBC_STRIPE"}, "format": "FLAC", "sources": []any{map[string]any{"url": "https://cdn.example/bf"}}},
				map[string]any{"cipher": map[string]any{"type": "NONE"}, "format": "FLAC", "sources": []any{map[string]any{"url": "https://cdn.example/plain"}}},
			}}}})
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer ts.Close()

	cfgData := testConfigData()
	cfgData.Deezer.ARL = "arl"
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.loggedIn = true
	c.arl = "arl"
	c.license = "license"
	c.jwt = "jwt"

	origBase := baseURL
	origMedia := mediaURL
	origPipe := pipeURL
	baseURL = ts.URL
	mediaURL = ts.URL + "/media"
	pipeURL = ts.URL + "/pipe"
	defer func() {
		baseURL = origBase
		mediaURL = origMedia
		pipeURL = origPipe
	}()

	d, err := c.GetDownloadable(context.Background(), "42", 2)
	if err != nil {
		t.Fatalf("GetDownloadable() error = %v", err)
	}
	if d.Cipher != "NONE" || d.URL != "https://cdn.example/plain" {
		t.Fatalf("expected NONE cipher source, got %+v", d)
	}
}

func TestExtractTrackIDFromMediaURL(t *testing.T) {
	url := "https://f-cdnt-stream.dzcdn.net/media/1/9/6/4/8/2552667002/64821d6a2007e90768fa0300b508fcf4.flac?hdnea=x"
	if got := extractTrackIDFromMediaURL(url); got != "2552667002" {
		t.Fatalf("extractTrackIDFromMediaURL() = %q, want 2552667002", got)
	}
}

func TestLoginPrefersARLFlowOverRefreshShortcut(t *testing.T) {
	mobileToken := testMobileToken(t)
	refreshCalled := false
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/web":
			_ = json.NewEncoder(w).Encode(map[string]any{"results": map[string]any{"USER_ID": "42", "JWT": "jwt-from-web", "refresh_token": "refresh-from-web", "license_token": "license-from-web"}})
		case "/gateway":
			switch r.URL.Query().Get("method") {
			case "mobile_auth":
				_ = json.NewEncoder(w).Encode(map[string]any{"results": map[string]any{"TOKEN": mobileToken}})
			case "api_checkToken":
				_ = json.NewEncoder(w).Encode(map[string]any{"results": "sid123"})
			case "mobile_userAutolog":
				_ = json.NewEncoder(w).Encode(map[string]any{"results": map[string]any{"JWT": "jwt-from-autolog", "license_token": "license-from-autolog", "refresh_token": "refresh-from-autolog"}})
			default:
				w.WriteHeader(http.StatusNotFound)
			}
		case "/pipe":
			_ = json.NewEncoder(w).Encode(map[string]any{"data": map[string]any{"tokens": map[string]any{"mediaServiceLicenseToken": map[string]any{"token": "license-from-pipe"}}}})
		case "/renew":
			refreshCalled = true
			w.WriteHeader(http.StatusInternalServerError)
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer ts.Close()

	cfgData := testConfigData()
	cfgData.Deezer.ARL = "arl"
	cfgData.Deezer.RefreshToken = "refresh-token"
	c := New(&config.Config{File: cfgData, Session: cfgData})

	origGateway := gatewayURL
	origWeb := webGWLight
	origPipe := pipeURL
	origAuth := authURL
	gatewayURL = ts.URL + "/gateway"
	webGWLight = ts.URL + "/web"
	pipeURL = ts.URL + "/pipe"
	authURL = ts.URL + "/renew"
	defer func() {
		gatewayURL = origGateway
		webGWLight = origWeb
		pipeURL = origPipe
		authURL = origAuth
	}()

	if err := c.Login(context.Background()); err != nil {
		t.Fatalf("Login() error = %v", err)
	}
	if refreshCalled {
		t.Fatalf("expected ARL launch flow without refresh shortcut")
	}
	if c.license != "license-from-pipe" {
		t.Fatalf("license = %q, want license-from-pipe", c.license)
	}
}

func TestGetDownloadableRequiresARL(t *testing.T) {
	cfgData := testConfigData()
	cfgData.Deezer.ARL = ""
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.loggedIn = true
	_, err := c.GetDownloadable(context.Background(), "42", 2)
	if err == nil || !strings.Contains(strings.ToLower(err.Error()), "arl") {
		t.Fatalf("expected arl requirement error, got %v", err)
	}
}

func TestGetDownloadableDRMError(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/track/42":
			_ = json.NewEncoder(w).Encode(map[string]any{"id": 42, "title": "X", "track_token": "tt"})
		case "/media":
			_ = json.NewEncoder(w).Encode(map[string]any{"data": []any{map[string]any{"errors": []any{map[string]any{"code": 403, "message": "DRM required"}}, "media": []any{}}}})
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer ts.Close()

	cfgData := testConfigData()
	cfgData.Deezer.ARL = "arl"
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.loggedIn = true
	c.arl = "arl"
	c.license = "license"
	c.jwt = "jwt"

	origBase := baseURL
	origMedia := mediaURL
	origPipe := pipeURL
	baseURL = ts.URL
	mediaURL = ts.URL + "/media"
	pipeURL = ts.URL + "/pipe"
	defer func() {
		baseURL = origBase
		mediaURL = origMedia
		pipeURL = origPipe
	}()

	_, err := c.GetDownloadable(context.Background(), "42", 2)
	if err == nil || !strings.Contains(strings.ToLower(err.Error()), "drm") {
		t.Fatalf("expected drm error, got %v", err)
	}
}

func TestGetTrackTokenPrefersPipeToken(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/pipe":
			_ = json.NewEncoder(w).Encode(map[string]any{"data": map[string]any{"track": map[string]any{"media": map[string]any{"token": map[string]any{"payload": "pipe-track-token"}}}}})
		case "/track/42":
			_ = json.NewEncoder(w).Encode(map[string]any{"id": 42, "track_token": "api-track-token"})
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer ts.Close()

	cfgData := testConfigData()
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.loggedIn = true
	c.jwt = "jwt-token"

	origBase := baseURL
	origPipe := pipeURL
	baseURL = ts.URL
	pipeURL = ts.URL + "/pipe"
	defer func() {
		baseURL = origBase
		pipeURL = origPipe
	}()

	token, mediaID, err := c.getTrackToken(context.Background(), "42")
	if err != nil {
		t.Fatalf("getTrackToken() error = %v", err)
	}
	if token != "pipe-track-token" {
		t.Fatalf("token = %q, want pipe-track-token", token)
	}
	if mediaID != "" {
		t.Fatalf("mediaID = %q, want empty when pipe media id missing", mediaID)
	}
}

func TestGetDownloadableUsesPipeTrackToken(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/track/42":
			_ = json.NewEncoder(w).Encode(map[string]any{"id": 42, "title": "X", "track_token": "api-track-token"})
		case "/pipe":
			_ = json.NewEncoder(w).Encode(map[string]any{"data": map[string]any{"track": map[string]any{"media": map[string]any{"token": map[string]any{"payload": "pipe-track-token"}}}}})
		case "/media":
			var payload map[string]any
			if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
				w.WriteHeader(http.StatusBadRequest)
				return
			}
			tokens, _ := payload["track_tokens"].([]any)
			if len(tokens) == 0 || strings.TrimSpace(jsonutil.StringFromAny(tokens[0])) != "pipe-track-token" {
				_ = json.NewEncoder(w).Encode(map[string]any{"data": []any{map[string]any{"errors": []any{map[string]any{"code": 2004, "message": "The track country differs from the license."}}, "media": []any{}}}})
				return
			}
			_ = json.NewEncoder(w).Encode(map[string]any{"data": []any{map[string]any{"errors": []any{}, "media": []any{map[string]any{"cipher": map[string]any{"type": "BF_CBC_STRIPE"}, "format": "FLAC", "sources": []any{map[string]any{"url": "https://cdn.example/file"}}}}}}})
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer ts.Close()

	cfgData := testConfigData()
	cfgData.Deezer.ARL = "arl"
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.loggedIn = true
	c.arl = "arl"
	c.license = "license"
	c.jwt = "jwt"

	origBase := baseURL
	origMedia := mediaURL
	origPipe := pipeURL
	baseURL = ts.URL
	mediaURL = ts.URL + "/media"
	pipeURL = ts.URL + "/pipe"
	defer func() {
		baseURL = origBase
		mediaURL = origMedia
		pipeURL = origPipe
	}()

	d, err := c.GetDownloadable(context.Background(), "42", 2)
	if err != nil {
		t.Fatalf("GetDownloadable() error = %v", err)
	}
	if d.URL != "https://cdn.example/file" || d.Extension != "flac" {
		t.Fatalf("unexpected downloadable: %+v", d)
	}
}

func TestGetMetadataAddsLyricsFromPipe(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/track/1141668":
			_ = json.NewEncoder(w).Encode(map[string]any{"id": 1141668, "title": "In Da Club", "artist": map[string]any{"name": "50 Cent"}})
		case "/pipe":
			_ = json.NewEncoder(w).Encode(map[string]any{"data": map[string]any{"track": map[string]any{"lyrics": map[string]any{"text": "Go, go, go\nGo shawty", "synchronizedLines": []any{map[string]any{"line": "Go, go, go", "milliseconds": 0}, map[string]any{"line": "Go shawty", "milliseconds": 4280}}}}}})
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer ts.Close()

	cfgData := testConfigData()
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.loggedIn = true
	c.jwt = "jwt"

	origBase := baseURL
	origPipe := pipeURL
	baseURL = ts.URL
	pipeURL = ts.URL + "/pipe"
	defer func() {
		baseURL = origBase
		pipeURL = origPipe
	}()

	meta, err := c.GetMetadata(context.Background(), "1141668", "track")
	if err != nil {
		t.Fatalf("GetMetadata() error = %v", err)
	}
	if !strings.Contains(jsonutil.StringFromAny(meta["lyrics"]), "Go shawty") {
		t.Fatalf("expected lyrics text, got %q", jsonutil.StringFromAny(meta["lyrics"]))
	}
	if !strings.Contains(jsonutil.StringFromAny(meta["lyrics_synced"]), "[00:00.00]Go, go, go") {
		t.Fatalf("expected synced lyrics, got %q", jsonutil.StringFromAny(meta["lyrics_synced"]))
	}
}

func TestLoginWithCredentials(t *testing.T) {
	mobileToken := testMobileToken(t)
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/gateway" {
			w.WriteHeader(http.StatusNotFound)
			return
		}
		switch r.URL.Query().Get("method") {
		case "mobile_auth":
			_ = json.NewEncoder(w).Encode(map[string]any{"results": map[string]any{"TOKEN": mobileToken}})
		case "api_checkToken":
			_ = json.NewEncoder(w).Encode(map[string]any{"results": "sid123"})
		case "mobile_userAuth":
			var payload map[string]any
			_ = json.NewDecoder(r.Body).Decode(&payload)
			if strings.TrimSpace(jsonutil.StringFromAny(payload["mail"])) == "" || strings.TrimSpace(jsonutil.StringFromAny(payload["password"])) == "" {
				w.WriteHeader(http.StatusBadRequest)
				_ = json.NewEncoder(w).Encode(map[string]any{"error": map[string]any{"message": "missing creds"}})
				return
			}
			_ = json.NewEncoder(w).Encode(map[string]any{"results": map[string]any{"ARL": "arl-token", "JWT": "jwt-token", "refresh_token": "refresh-token", "license_token": "license-token", "USER_ID": "42"}})
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer ts.Close()

	cfgData := testConfigData()
	cfgData.Deezer.Email = "tidal1@alpin.sbs"
	cfgData.Deezer.Password = "tidal1@alpin.sbs"
	c := New(&config.Config{File: cfgData, Session: cfgData})

	origGateway := gatewayURL
	gatewayURL = ts.URL + "/gateway"
	defer func() { gatewayURL = origGateway }()

	if err := c.Login(context.Background()); err != nil {
		t.Fatalf("Login() error = %v", err)
	}
	if !c.loggedIn {
		t.Fatalf("expected logged in client")
	}
	if c.arl != "arl-token" {
		t.Fatalf("arl = %q, want arl-token", c.arl)
	}
	if c.jwt != "jwt-token" {
		t.Fatalf("jwt = %q, want jwt-token", c.jwt)
	}
	if c.refresh != "refresh-token" {
		t.Fatalf("refresh = %q, want refresh-token", c.refresh)
	}
	if c.license != "license-token" {
		t.Fatalf("license = %q, want license-token", c.license)
	}
	if c.cfg.Session.Deezer.RefreshToken != "refresh-token" {
		t.Fatalf("session refresh token = %q", c.cfg.Session.Deezer.RefreshToken)
	}
	if c.cfg.File.Deezer.RefreshToken != "refresh-token" {
		t.Fatalf("file refresh token = %q", c.cfg.File.Deezer.RefreshToken)
	}
}

func TestMobileAuthIncludesAppContextParams(t *testing.T) {
	mobileToken := testMobileToken(t)
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/gateway" {
			w.WriteHeader(http.StatusNotFound)
			return
		}
		if r.URL.Query().Get("method") != "mobile_auth" {
			w.WriteHeader(http.StatusBadRequest)
			return
		}
		if got := strings.TrimSpace(r.URL.Query().Get("version")); got != deezerAppVersion {
			t.Fatalf("version = %q, want %q", got, deezerAppVersion)
		}
		if got := strings.TrimSpace(r.URL.Query().Get("lang")); got != deezerAppLang {
			t.Fatalf("lang = %q, want %q", got, deezerAppLang)
		}
		if got := strings.TrimSpace(r.URL.Query().Get("buildId")); got != deezerBuildID {
			t.Fatalf("buildId = %q, want %q", got, deezerBuildID)
		}
		if got := strings.TrimSpace(r.URL.Query().Get("screenWidth")); got != deezerScreenW {
			t.Fatalf("screenWidth = %q, want %q", got, deezerScreenW)
		}
		if got := strings.TrimSpace(r.URL.Query().Get("screenHeight")); got != deezerScreenH {
			t.Fatalf("screenHeight = %q, want %q", got, deezerScreenH)
		}
		if got := strings.TrimSpace(r.URL.Query().Get("uniq_id")); got == "" {
			t.Fatalf("uniq_id is empty")
		}
		_ = json.NewEncoder(w).Encode(map[string]any{"results": map[string]any{"TOKEN": mobileToken}})
	}))
	defer ts.Close()

	cfgData := testConfigData()
	c := New(&config.Config{File: cfgData, Session: cfgData})

	origGateway := gatewayURL
	gatewayURL = ts.URL + "/gateway"
	defer func() { gatewayURL = origGateway }()

	token, err := c.mobileAuth(context.Background())
	if err != nil {
		t.Fatalf("mobileAuth() error = %v", err)
	}
	if token != mobileToken {
		t.Fatalf("token = %q, want %q", token, mobileToken)
	}
}

func TestMobileUserAutologIncludesRefreshToken(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path != "/gateway" {
			w.WriteHeader(http.StatusNotFound)
			return
		}
		if method := r.URL.Query().Get("method"); method != "mobile_userAutolog" {
			w.WriteHeader(http.StatusBadRequest)
			return
		}
		if got := strings.TrimSpace(r.URL.Query().Get("arl")); got != "" {
			t.Fatalf("unexpected arl query parameter: %q", got)
		}
		var payload map[string]any
		if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
			w.WriteHeader(http.StatusBadRequest)
			return
		}
		if got := strings.TrimSpace(jsonutil.StringFromAny(payload["refresh_token"])); got != "refresh-token" {
			t.Fatalf("refresh_token payload = %q, want refresh-token", got)
		}
		_ = json.NewEncoder(w).Encode(map[string]any{"results": map[string]any{"JWT": "jwt-token", "license_token": "license-token"}})
	}))
	defer ts.Close()

	cfgData := testConfigData()
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.sid = "sid123"
	c.userID = "42"
	c.arl = "arl-token"
	c.refresh = "refresh-token"

	origGateway := gatewayURL
	gatewayURL = ts.URL + "/gateway"
	defer func() { gatewayURL = origGateway }()

	if err := c.mobileUserAutolog(context.Background()); err != nil {
		t.Fatalf("mobileUserAutolog() error = %v", err)
	}
	if c.jwt != "jwt-token" {
		t.Fatalf("jwt = %q, want jwt-token", c.jwt)
	}
	if c.license != "license-token" {
		t.Fatalf("license = %q, want license-token", c.license)
	}
}

func testMobileToken(t *testing.T) string {
	t.Helper()
	plain := []byte(strings.Repeat("A", 64) + strings.Repeat("B", 16) + strings.Repeat("C", 16))
	enc, err := aesECBEncrypt([]byte(config.DefaultDeezerGatewayKey), plain)
	if err != nil {
		t.Fatalf("aesECBEncrypt() error = %v", err)
	}
	return hex.EncodeToString(enc)
}

func TestLoginWithRefreshToken(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		switch r.URL.Path {
		case "/renew":
			_ = json.NewEncoder(w).Encode(map[string]any{"jwt": "jwt-token", "refresh_token": "refresh-token-2"})
		case "/pipe":
			_ = json.NewEncoder(w).Encode(map[string]any{"data": map[string]any{"tokens": map[string]any{"mediaServiceLicenseToken": map[string]any{"token": "license-token"}}}})
		default:
			w.WriteHeader(http.StatusNotFound)
		}
	}))
	defer ts.Close()

	cfgData := testConfigData()
	cfgData.Deezer.RefreshToken = "refresh-token"
	c := New(&config.Config{File: cfgData, Session: cfgData})

	origAuth := authURL
	origPipe := pipeURL
	authURL = ts.URL + "/renew"
	pipeURL = ts.URL + "/pipe"
	defer func() {
		authURL = origAuth
		pipeURL = origPipe
	}()

	if err := c.Login(context.Background()); err != nil {
		t.Fatalf("Login() error = %v", err)
	}
	if !c.loggedIn {
		t.Fatalf("expected logged in client")
	}
	if c.jwt != "jwt-token" || c.license != "license-token" {
		t.Fatalf("unexpected jwt/license: jwt=%q license=%q", c.jwt, c.license)
	}
	if c.cfg.Session.Deezer.RefreshToken != "refresh-token-2" {
		t.Fatalf("session refresh token = %q", c.cfg.Session.Deezer.RefreshToken)
	}
}

func TestRefreshJWTHTTPError(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
		w.WriteHeader(http.StatusUnauthorized)
		_ = json.NewEncoder(w).Encode(map[string]any{"error": map[string]any{"message": "bad refresh"}})
	}))
	defer ts.Close()

	cfgData := testConfigData()
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.refresh = "refresh-token"

	origAuth := authURL
	authURL = ts.URL
	defer func() { authURL = origAuth }()

	err := c.refreshJWT(context.Background())
	if err == nil || !strings.Contains(strings.ToLower(err.Error()), "status=401") {
		t.Fatalf("expected http status error, got %v", err)
	}
}

func TestRefreshLicenseFromPipeGraphQLError(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
		_ = json.NewEncoder(w).Encode(map[string]any{"errors": []any{map[string]any{"message": "token expired"}}})
	}))
	defer ts.Close()

	cfgData := testConfigData()
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.jwt = "jwt-token"

	origPipe := pipeURL
	pipeURL = ts.URL
	defer func() { pipeURL = origPipe }()

	err := c.refreshLicenseFromPipe(context.Background())
	if err == nil || !strings.Contains(strings.ToLower(err.Error()), "token expired") {
		t.Fatalf("expected graphql error, got %v", err)
	}
}

func TestRefreshLicenseFromPipeUsesMobileGraphQLShape(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		if got := strings.TrimSpace(r.Header.Get("Authorization")); got != "Bearer jwt-token" {
			t.Fatalf("authorization = %q, want Bearer jwt-token", got)
		}
		if got := r.Header.Get("Accept"); !strings.Contains(got, "application/graphql-response+json") {
			t.Fatalf("accept header = %q", got)
		}
		if got := strings.TrimSpace(r.Header.Get("Accept-Language")); got != "en-US" {
			t.Fatalf("accept-language = %q, want en-US", got)
		}
		var payload map[string]any
		if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
			w.WriteHeader(http.StatusBadRequest)
			return
		}
		op := strings.TrimSpace(jsonutil.StringFromAny(payload["operationName"]))
		if op != "KmpMpMediaServiceLicenseToken" {
			t.Fatalf("operationName = %q, want KmpMpMediaServiceLicenseToken", op)
		}
		ext, _ := payload["extensions"].(map[string]any)
		clientLib, _ := ext["clientLibrary"].(map[string]any)
		if got := strings.TrimSpace(jsonutil.StringFromAny(clientLib["name"])); got != "apollo-kotlin" {
			t.Fatalf("clientLibrary.name = %q, want apollo-kotlin", got)
		}
		if got := strings.TrimSpace(jsonutil.StringFromAny(clientLib["version"])); got != "4.4.2" {
			t.Fatalf("clientLibrary.version = %q, want 4.4.2", got)
		}
		_ = json.NewEncoder(w).Encode(map[string]any{"data": map[string]any{"tokens": map[string]any{"mediaServiceLicenseToken": map[string]any{"token": "license-token"}}}})
	}))
	defer ts.Close()

	cfgData := testConfigData()
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.jwt = "jwt-token"

	origPipe := pipeURL
	pipeURL = ts.URL
	defer func() { pipeURL = origPipe }()

	if err := c.refreshLicenseFromPipe(context.Background()); err != nil {
		t.Fatalf("refreshLicenseFromPipe() error = %v", err)
	}
	if c.license != "license-token" {
		t.Fatalf("license = %q, want license-token", c.license)
	}
}

// testConfigData returns defaults with request throttling disabled.
//
// At the default 60 requests/minute the rate limiter sleeps 1s per request,
// which accounted for most of this suite's runtime (deezer alone was 31s).
func testConfigData() config.ConfigData {
	d := config.DefaultConfigData()
	d.Downloads.RequestsPerMinute = -1
	return d
}