package runner

import "sync"

// Context represents execution context for a Lua script
type Context struct {
	// Generic map for any context values (route params, HTTP request info, etc.)
	Values map[string]any
}

// Context pool to reduce allocations
var contextPool = sync.Pool{
	New: func() interface{} {
		return &Context{
			Values: make(map[string]any, 16), // Pre-allocate with reasonable capacity
		}
	},
}

// NewContext creates a new context, potentially reusing one from the pool
func NewContext() *Context {
	return contextPool.Get().(*Context)
}

// Release returns the context to the pool after clearing its values
func (c *Context) Release() {
	// Clear all values to prevent data leakage
	for k := range c.Values {
		delete(c.Values, k)
	}
	contextPool.Put(c)
}

// Set adds a value to the context
func (c *Context) Set(key string, value any) {
	c.Values[key] = value
}

// Get retrieves a value from the context
func (c *Context) Get(key string) any {
	return c.Values[key]
}