search

type Document struct {
	ID        string                 `json:"id"`
	Index     string                 `json:"index"`
	Type      string                 `json:"type,omitempty"`
	Title     string                 `json:"title"`
	Content   string                 `json:"content"`
	Tags      []string               `json:"tags,omitempty"`
	Metadata  map[string]interface{} `json:"metadata,omitempty"`
	Timestamp time.Time              `json:"timestamp"`
	Score     float64                `json:"score,omitempty"`
}

type Engine interface {
	// Index adds or updates a document
	Index(ctx context.Context, doc Document) error

	// Search performs a search query
	Search(ctx context.Context, query Query) (*Results, error)

	// Delete removes a document
	Delete(ctx context.Context, id string) error

	// DeleteIndex removes all documents from an index
	DeleteIndex(ctx context.Context, index string) error

	// GetDocument retrieves a document by ID
	GetDocument(ctx context.Context, id string) (*Document, error)

	// UpdateDocument partially updates a document
	UpdateDocument(ctx context.Context, id string, updates map[string]interface{}) error
}

type FacetItem struct {
	Value string `json:"value"`
	Count int    `json:"count"`
}

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

type Query struct {
	Text      string                 `json:"text"`
	Index     string                 `json:"index,omitempty"`
	Type      string                 `json:"type,omitempty"`
	Tags      []string               `json:"tags,omitempty"`
	Filters   map[string]interface{} `json:"filters,omitempty"`
	From      int                    `json:"from"`
	Size      int                    `json:"size"`
	Sort      []SortField            `json:"sort,omitempty"`
	Highlight bool                   `json:"highlight"`
	Facets    []string               `json:"facets,omitempty"`
}

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

type Results struct {
	Total  int                    `json:"total"`
	Hits   []Document             `json:"hits"`
	Facets map[string][]FacetItem `json:"facets,omitempty"`
	Took   time.Duration          `json:"took"`
	Query  string                 `json:"query"`
}

type SortField struct {
	Field string `json:"field"`
	Order string `json:"order"` // "asc" or "desc"
}