package voice

import (
	"testing"

	"github.com/sipeed/picoclaw/pkg/config"
)

func TestDetectTranscriber(t *testing.T) {
	tests := []struct {
		name     string
		cfg      *config.Config
		wantNil  bool
		wantName string
	}{
		{
			name:    "no config",
			cfg:     &config.Config{},
			wantNil: true,
		},
		{
			name: "groq provider key",
			cfg: &config.Config{
				Providers: config.ProvidersConfig{
					Groq: config.ProviderConfig{APIKey: "sk-groq-direct"},
				},
			},
			wantName: "groq",
		},
		{
			name: "voice model name selects audio model transcriber",
			cfg: &config.Config{
				Voice: config.VoiceConfig{ModelName: "voice-gemini"},
				ModelList: []config.ModelConfig{
					{ModelName: "voice-gemini", Model: "gemini/gemini-2.5-flash", APIKey: "sk-gemini-model"},
				},
			},
			wantName: "audio-model",
		},
		{
			name: "groq via model list",
			cfg: &config.Config{
				ModelList: []config.ModelConfig{
					{Model: "openai/gpt-4o", APIKey: "sk-openai"},
					{Model: "groq/llama-3.3-70b", APIKey: "sk-groq-model"},
				},
			},
			wantName: "groq",
		},
		{
			name: "voice model name selects non-gemini audio model transcriber",
			cfg: &config.Config{
				Voice: config.VoiceConfig{ModelName: "voice-openai-audio"},
				ModelList: []config.ModelConfig{
					{ModelName: "voice-openai-audio", Model: "openai/gpt-4o-audio-preview", APIKey: "sk-openai"},
				},
			},
			wantName: "audio-model",
		},
		{
			name: "voice model name selects azure audio model transcriber",
			cfg: &config.Config{
				Voice: config.VoiceConfig{ModelName: "voice-azure-audio"},
				ModelList: []config.ModelConfig{
					{
						ModelName: "voice-azure-audio",
						Model:     "azure/my-audio-deployment",
						APIKey:    "sk-azure",
						APIBase:   "https://example.openai.azure.com",
					},
				},
			},
			wantName: "audio-model",
		},
		{
			name: "voice model name with non openai compatible protocol does not select audio model transcriber",
			cfg: &config.Config{
				Voice: config.VoiceConfig{ModelName: "voice-anthropic"},
				ModelList: []config.ModelConfig{
					{ModelName: "voice-anthropic", Model: "anthropic/claude-sonnet-4.6", APIKey: "sk-anthropic"},
				},
			},
			wantNil: true,
		},
		{
			name: "groq model list entry without key is skipped",
			cfg: &config.Config{
				ModelList: []config.ModelConfig{
					{Model: "groq/llama-3.3-70b", APIKey: ""},
				},
			},
			wantNil: true,
		},
		{
			name: "provider key takes priority over model list",
			cfg: &config.Config{
				Providers: config.ProvidersConfig{
					Groq: config.ProviderConfig{APIKey: "sk-groq-direct"},
				},
				ModelList: []config.ModelConfig{
					{Model: "groq/llama-3.3-70b", APIKey: "sk-groq-model"},
				},
			},
			wantName: "groq",
		},
		{
			name: "missing voice model name config returns nil",
			cfg: &config.Config{
				Voice: config.VoiceConfig{ModelName: "missing"},
				ModelList: []config.ModelConfig{
					{ModelName: "other", Model: "gemini/gemini-2.5-flash", APIKey: "sk-gemini-model"},
				},
			},
			wantNil: true,
		},
	}

	for _, tc := range tests {
		t.Run(tc.name, func(t *testing.T) {
			tr := DetectTranscriber(tc.cfg)
			if tc.wantNil {
				if tr != nil {
					t.Errorf("DetectTranscriber() = %v, want nil", tr)
				}
				return
			}
			if tr == nil {
				t.Fatal("DetectTranscriber() = nil, want non-nil")
			}
			if got := tr.Name(); got != tc.wantName {
				t.Errorf("Name() = %q, want %q", got, tc.wantName)
			}
		})
	}
}