package store

import (
	"context"

	"github.com/yaoapp/yao/trace/types"
)

// Driver the gou store storage driver implementation
type Driver struct {
	storeName string // Store name in gou
}

// New creates a new store driver
func New(storeName string) (*Driver, error) {
	// TODO: Implement initialization (connect to gou store, etc.)
	return &Driver{
		storeName: storeName,
	}, nil
}

// SaveNode persists a node to store
func (d *Driver) SaveNode(ctx context.Context, traceID string, node *types.TraceNode) error {
	// TODO: Implement store save
	// Key: trace:{traceID}:node:{nodeID}
	return nil
}

// LoadNode loads a node from store
func (d *Driver) LoadNode(ctx context.Context, traceID string, nodeID string) (*types.TraceNode, error) {
	// TODO: Implement store load
	return nil, nil
}

// LoadTrace loads the entire trace tree from store
func (d *Driver) LoadTrace(ctx context.Context, traceID string) (*types.TraceNode, error) {
	// TODO: Implement store load trace
	// Key: trace:{traceID}
	return nil, nil
}

// SaveSpace persists a space to store
func (d *Driver) SaveSpace(ctx context.Context, traceID string, space *types.TraceSpace) error {
	// TODO: Implement store save space
	// Key: trace:{traceID}:space:{spaceID}
	return nil
}

// LoadSpace loads a space from store
func (d *Driver) LoadSpace(ctx context.Context, traceID string, spaceID string) (*types.TraceSpace, error) {
	// TODO: Implement store load space
	return nil, nil
}

// DeleteSpace removes a space from store
func (d *Driver) DeleteSpace(ctx context.Context, traceID string, spaceID string) error {
	// TODO: Implement store delete space
	return nil
}

// ListSpaces lists all space IDs for a trace from store
func (d *Driver) ListSpaces(ctx context.Context, traceID string) ([]string, error) {
	// TODO: Implement store list spaces
	// Use pattern matching: trace:{traceID}:space:*
	return nil, nil
}

// SetSpaceKey stores a value by key in a space
func (d *Driver) SetSpaceKey(ctx context.Context, traceID, spaceID, key string, value any) error {
	// TODO: Implement store set space key
	// Key: trace:{traceID}:space:{spaceID}:key:{key}
	return nil
}

// GetSpaceKey retrieves a value by key from a space
func (d *Driver) GetSpaceKey(ctx context.Context, traceID, spaceID, key string) (any, error) {
	// TODO: Implement store get space key
	return nil, nil
}

// HasSpaceKey checks if a key exists in a space
func (d *Driver) HasSpaceKey(ctx context.Context, traceID, spaceID, key string) bool {
	// TODO: Implement store has space key
	return false
}

// DeleteSpaceKey removes a key-value pair from a space
func (d *Driver) DeleteSpaceKey(ctx context.Context, traceID, spaceID, key string) error {
	// TODO: Implement store delete space key
	return nil
}

// ClearSpaceKeys removes all key-value pairs from a space
func (d *Driver) ClearSpaceKeys(ctx context.Context, traceID, spaceID string) error {
	// TODO: Implement store clear space keys
	// Delete keys: trace:{traceID}:space:{spaceID}:key:*
	return nil
}

// ListSpaceKeys returns all keys in a space
func (d *Driver) ListSpaceKeys(ctx context.Context, traceID, spaceID string) ([]string, error) {
	// TODO: Implement store list space keys
	// Use pattern matching: trace:{traceID}:space:{spaceID}:key:*
	return nil, nil
}

// SaveLog appends a log entry to store
func (d *Driver) SaveLog(ctx context.Context, traceID string, log *types.TraceLog) error {
	// TODO: Implement store save log
	// Key: trace:{traceID}:logs:{nodeID} (list type, append)
	return nil
}

// LoadLogs loads all logs for a trace or specific node from store
func (d *Driver) LoadLogs(ctx context.Context, traceID string, nodeID string) ([]*types.TraceLog, error) {
	// TODO: Implement store load logs
	// If nodeID is empty, load all logs from trace:{traceID}:logs:*
	// If nodeID provided, load from trace:{traceID}:logs:{nodeID}
	return nil, nil
}

// SaveTraceInfo persists trace metadata to store
func (d *Driver) SaveTraceInfo(ctx context.Context, info *types.TraceInfo) error {
	// TODO: Implement store save trace info
	// Key: trace:{traceID}:info
	return nil
}

// LoadTraceInfo loads trace metadata from store
func (d *Driver) LoadTraceInfo(ctx context.Context, traceID string) (*types.TraceInfo, error) {
	// TODO: Implement store load trace info
	return nil, nil
}

// DeleteTrace removes entire trace from store
func (d *Driver) DeleteTrace(ctx context.Context, traceID string) error {
	// TODO: Implement store delete trace
	// Delete keys: trace:{traceID}* (including all spaces, nodes, and logs)
	return nil
}

// Close closes the store driver
func (d *Driver) Close() error {
	// TODO: Implement cleanup if needed
	return nil
}