package server

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

func TestGenerateMusicRefsUsesMusicGenerationsEndpoint(t *testing.T) {
	var gotPath string
	var gotBody map[string]any

	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		gotPath = r.URL.Path
		if err := json.NewDecoder(r.Body).Decode(&gotBody); err != nil {
			t.Fatalf("decode request body: %v", err)
		}
		w.Header().Set("Content-Type", "application/json")
		_, _ = w.Write([]byte(`{
			"audio_url": "https://example.com/music-output.mp3",
			"status": 2,
			"extra_info": {
				"music_duration": 34,
				"music_sample_rate": 44100,
				"music_channel": 2,
				"bitrate": 256000,
				"music_size": 1098543
			}
		}`))
	}))
	defer srv.Close()

	client := &newAPIClient{
		baseURL:    strings.TrimRight(srv.URL, "/"),
		httpClient: srv.Client(),
	}

	refs, usage, err := client.generateMusicRefs(context.Background(), "sk-test", "music-2.6", map[string]any{
		"prompt":          "lofi rainy night piano",
		"is_instrumental": true,
		"output_format":   "url",
		"audio_setting": map[string]any{
			"format": "mp3",
		},
	})
	if err != nil {
		t.Fatalf("generateMusicRefs: %v", err)
	}
	if gotPath != "/v1/music/generations" {
		t.Fatalf("unexpected path: %s", gotPath)
	}
	if gotBody["model"] != "music-2.6" {
		t.Fatalf("unexpected model: %#v", gotBody["model"])
	}
	if gotBody["is_instrumental"] != true {
		t.Fatalf("unexpected is_instrumental: %#v", gotBody["is_instrumental"])
	}
	if len(refs) != 1 || refs[0].URL != "https://example.com/music-output.mp3" || refs[0].ContentType != "audio/mpeg" {
		t.Fatalf("unexpected refs: %#v", refs)
	}
	if usage["music_duration"] != float64(34) {
		t.Fatalf("unexpected usage: %#v", usage)
	}
}

func TestDecodeMusicGenerationResponseAcceptsNumericErrorCode(t *testing.T) {
	_, _, err := decodeMusicGenerationResponse(http.StatusBadRequest, "application/json", []byte(`{
		"error": {
			"message": "minimax music error: 1004 - auth failed",
			"type": "bad_response",
			"param": "",
			"code": 1004
		}
	}`), "music-2.6")
	if err == nil || !strings.Contains(err.Error(), "auth failed") {
		t.Fatalf("expected decoded upstream error, got %v", err)
	}
}