// Package temporal provides operation wrappers for Temporal operations
package temporal

import (
	"context"
	"fmt"
	"time"
)

// OperationHandler handles Temporal operations
type OperationHandler struct {
	grpc *GRPCClient
}

// NewOperationHandler creates a new operation handler
func NewOperationHandler(grpcClient *GRPCClient) *OperationHandler {
	return &OperationHandler{
		grpc: grpcClient,
	}
}

// StartWorkflowExecution starts a new workflow execution
func (oh *OperationHandler) StartWorkflowExecution(ctx context.Context, namespace, workflowID, workflowType, taskQueue string, input map[string]interface{}) (map[string]interface{}, error) {
	// TODO: Implement gRPC call to Temporal
	// This is a placeholder for actual implementation
	if oh.grpc == nil {
		return nil, fmt.Errorf("gRPC client not initialized")
	}

	return map[string]interface{}{
		"workflow_id": workflowID,
		"run_id":      fmt.Sprintf("run_%d", time.Now().UnixNano()),
		"start_time":  time.Now(),
	}, nil
}

// DescribeWorkflowExecution gets workflow details
func (oh *OperationHandler) DescribeWorkflowExecution(ctx context.Context, namespace, workflowID, runID string) (map[string]interface{}, error) {
	// TODO: Implement gRPC call to Temporal
	return map[string]interface{}{
		"workflow_id": workflowID,
		"run_id":      runID,
		"status":      "RUNNING",
		"start_time":  time.Now(),
	}, nil
}

// TerminateWorkflowExecution terminates a workflow
func (oh *OperationHandler) TerminateWorkflowExecution(ctx context.Context, namespace, workflowID, runID, reason string) (map[string]interface{}, error) {
	// TODO: Implement gRPC call to Temporal
	return map[string]interface{}{
		"workflow_id":   workflowID,
		"run_id":        runID,
		"terminated_at": time.Now(),
		"reason":        reason,
	}, nil
}

// CancelWorkflowExecution cancels a workflow
func (oh *OperationHandler) CancelWorkflowExecution(ctx context.Context, namespace, workflowID, runID string) (map[string]interface{}, error) {
	// TODO: Implement gRPC call to Temporal
	return map[string]interface{}{
		"workflow_id": workflowID,
		"status":      "canceling",
	}, nil
}

// SignalWorkflowExecution sends a signal to a workflow
func (oh *OperationHandler) SignalWorkflowExecution(ctx context.Context, namespace, workflowID, runID, signalName string, input map[string]interface{}) (map[string]interface{}, error) {
	// TODO: Implement gRPC call to Temporal
	return map[string]interface{}{
		"workflow_id": workflowID,
		"signal_name": signalName,
		"signaled_at": time.Now(),
	}, nil
}

// QueryWorkflowExecution queries a workflow
func (oh *OperationHandler) QueryWorkflowExecution(ctx context.Context, namespace, workflowID, runID, queryType string) (map[string]interface{}, error) {
	// TODO: Implement gRPC call to Temporal
	return map[string]interface{}{
		"workflow_id":  workflowID,
		"query_type":   queryType,
		"query_result": map[string]interface{}{},
	}, nil
}

// ListWorkflowExecutions lists workflows
func (oh *OperationHandler) ListWorkflowExecutions(ctx context.Context, namespace string, pageSize int32) (map[string]interface{}, error) {
	// TODO: Implement gRPC call to Temporal
	return map[string]interface{}{
		"executions":      []interface{}{},
		"next_page_token": "",
	}, nil
}