package model

import "fmt"

const (
	BackendSenseVoice = "sensevoice"
)

var modelProfiles = map[string]ModelProfile{
	DefaultModelID: {
		ID:          DefaultModelID,
		DisplayName: "SenseVoice",
		BackendKind: BackendSenseVoice,
		Tier:        "default",
		SupportedLanguageIDs: []string{
			"zh-CN",
			"zh-Hans",
			"zh-Hant",
			"yue",
			"en",
			"ja",
			"ko",
		},
		RecommendedFor: []string{"zh-CN"},
		Description:    "轻量中文模型，适合中文和中英混输。",
		InstallDirName: "sensevoice-zh",
		LegacyDirNames: []string{"sensevoice"},
		RequiredFiles: []RequiredFileRule{
			{
				Role:     "model",
				AnyOf:    []string{"model.int8.onnx", "model.onnx"},
				Required: true,
			},
			{
				Role:     "tokens",
				AllOf:    []string{"tokens.txt"},
				Required: true,
			},
		},
		ProviderOrder: []string{"coreml", "cpu"},
		NumThreads:    4,
	},
}

var languageProfiles = map[string]LanguageProfile{
	"zh-CN": {
		ID:             "zh-CN",
		DisplayName:    "中文",
		UILocale:       "zh-CN",
		SystemMatchers: []string{"zh", "zh-CN", "zh-Hans", "zh-Hant"},
		DefaultModelID: DefaultModelID,
	},
}

func GetModelProfile(id string) (ModelProfile, error) {
	if id == "" {
		id = DefaultModelID
	}
	profile, ok := modelProfiles[id]
	if !ok {
		return ModelProfile{}, fmt.Errorf("unknown model profile: %s", id)
	}
	return profile, nil
}

func DefaultModelProfile() ModelProfile {
	return modelProfiles[DefaultModelID]
}

func ListModelProfiles() []ModelProfile {
	profiles := make([]ModelProfile, 0, len(modelProfiles))
	for _, profile := range modelProfiles {
		profiles = append(profiles, profile)
	}
	return profiles
}

func NormalizeModelID(id string) string {
	if _, err := GetModelProfile(id); err != nil {
		return DefaultModelID
	}
	return id
}

func GetLanguageProfile(id string) (LanguageProfile, error) {
	profile, ok := languageProfiles[id]
	if !ok {
		return LanguageProfile{}, fmt.Errorf("unknown language profile: %s", id)
	}
	return profile, nil
}

func ListLanguageProfiles() []LanguageProfile {
	profiles := make([]LanguageProfile, 0, len(languageProfiles))
	for _, profile := range languageProfiles {
		profiles = append(profiles, profile)
	}
	return profiles
}