package deezer

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

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

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

	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)
	}
}

func TestGetDownloadableRequiresARL(t *testing.T) {
	cfgData := config.DefaultConfigData()
	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 := config.DefaultConfigData()
	cfgData.Deezer.ARL = "arl"
	c := New(&config.Config{File: cfgData, Session: cfgData})
	c.loggedIn = true
	c.arl = "arl"
	c.license = "license"

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

	_, 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)
	}
}