package server

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

func TestGenerateSpeechRefsUsesAudioSpeechEndpoint(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", "audio/mpeg")
		_, _ = w.Write([]byte("fake-mp3"))
	}))
	defer srv.Close()

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

	refs, _, err := client.generateSpeechRefs(context.Background(), "sk-test", "speech-2.8-hd", map[string]any{
		"prompt": "今天想去上海走一走。",
		"format": "mp3",
	})
	if err != nil {
		t.Fatalf("generateSpeechRefs: %v", err)
	}
	if gotPath != "/v1/audio/speech" {
		t.Fatalf("unexpected path: %s", gotPath)
	}
	if gotBody["model"] != "speech-2.8-hd" || gotBody["input"] != "今天想去上海走一走。" || gotBody["response_format"] != "mp3" {
		t.Fatalf("unexpected body: %#v", gotBody)
	}
	if len(refs) != 1 || refs[0].Kind != "data_url" || refs[0].ContentType != "audio/mpeg" {
		t.Fatalf("unexpected refs: %#v", refs)
	}
}

func TestDecodeSpeechGenerationResponseAcceptsNumericErrorCode(t *testing.T) {
	_, _, err := decodeSpeechGenerationResponse(http.StatusBadRequest, "application/json", "mp3", []byte(`{
		"error": {
			"message": "minimax TTS error: 1004 - auth failed",
			"type": "bad_response",
			"param": "",
			"code": 1004
		}
	}`), "speech-2.8-hd")
	if err == nil || !strings.Contains(err.Error(), "auth failed") {
		t.Fatalf("expected decoded upstream error, got %v", err)
	}
}