embedding

type BaseConfig struct {
	Name       string
	BaseURL    string
	APIKey     string
	Model      string
	Dimensions int
	MaxBatch   int
	Timeout    time.Duration
}

type BaseProvider struct {
	// contains filtered or unexported fields
}

type CohereConfig struct {
	providers.BaseProviderConfig `yaml:",inline"`
}

type CohereProvider struct {
	*BaseProvider
	// contains filtered or unexported fields
}

type EmbeddingData struct {
	Index     int       `json:"index"`
	Embedding []float64 `json:"embedding"`
	Object    string    `json:"object,omitempty"` // "embedding"
}

type EmbeddingRequest struct {
	Input          []string          `json:"input"`                     // Text inputs to embed
	Model          string            `json:"model,omitempty"`           // Model to use
	Dimensions     int               `json:"dimensions,omitempty"`      // Output dimensions (for models that support it)
	EncodingFormat string            `json:"encoding_format,omitempty"` // float or base64
	InputType      InputType         `json:"input_type,omitempty"`      // query, document, etc.
	Truncate       bool              `json:"truncate,omitempty"`        // Auto-truncate long inputs
	Metadata       map[string]string `json:"metadata,omitempty"`
}

type EmbeddingResponse struct {
	ID         string          `json:"id,omitempty"`
	Provider   string          `json:"provider"`
	Model      string          `json:"model"`
	Embeddings []EmbeddingData `json:"embeddings"`
	Usage      EmbeddingUsage  `json:"usage"`
	CreatedAt  time.Time       `json:"created_at,omitempty"`
}

type EmbeddingUsage struct {
	PromptTokens int     `json:"prompt_tokens"`
	TotalTokens  int     `json:"total_tokens"`
	Cost         float64 `json:"cost,omitempty"` // USD
}

type FactoryConfig struct {
	Type       ProviderType
	APIKey     string
	BaseURL    string
	Model      string
	Timeout    time.Duration
	Dimensions int
}

type GeminiConfig struct {
	providers.BaseProviderConfig `yaml:",inline"`
}

type GeminiProvider struct {
	*BaseProvider
	// contains filtered or unexported fields
}

type InputType string

type JinaConfig struct {
	providers.BaseProviderConfig `yaml:",inline"`
}

type JinaProvider struct {
	*BaseProvider
	// contains filtered or unexported fields
}

type OpenAIConfig struct {
	providers.BaseProviderConfig `yaml:",inline"`
	Dimensions                   int `json:"dimensions,omitempty" yaml:"dimensions,omitempty"` // 256, 1024, 3072
}

type OpenAIProvider struct {
	*BaseProvider
	// contains filtered or unexported fields
}

type Provider interface {
	// Embed 为给定输入生成嵌入.
	Embed(ctx context.Context, req *EmbeddingRequest) (*EmbeddingResponse, error)

	// EmbedQuery 是嵌入单个查询的便捷方法.
	EmbedQuery(ctx context.Context, query string) ([]float64, error)

	// EmbedDocuments 是嵌入多个文档的便捷方法.
	EmbedDocuments(ctx context.Context, documents []string) ([][]float64, error)

	// Name 返回提供者名称.
	Name() string

	// Dimensions 返回默认嵌入维度.
	Dimensions() int

	// MaxBatchSize 返回支持的最大批量大小.
	MaxBatchSize() int
}

type ProviderType string

type VoyageConfig struct {
	providers.BaseProviderConfig `yaml:",inline"`
}

type VoyageProvider struct {
	*BaseProvider
	// contains filtered or unexported fields
}