#ifndef APP_H
#define APP_H

#include "context.h"
#include "router.h"
#include "reactor/pool.h"
#include "reactor/epoll.h"
#include <sys/types.h>

typedef struct app app_t;
typedef void (*app_handler_t)(context_t *ctx);

// Web application
struct app {
	runtime_t *rt;
	pool_t *pool;
	router_t *router;
	int listen_fd;
	int port;

	// Configuration
	int max_conns;
	size_t read_buf_size;
	size_t write_buf_size;
	size_t arena_size;
	
	// Worker configuration
	int num_workers;      // Number of worker processes (0 = single process)
	int cpu_affinity;     // Pin workers to CPU cores
	
	// Worker management
	pid_t *worker_pids;   // Array of worker process IDs
	int worker_id;        // Current worker ID (-1 for parent)

	// Default handlers
	app_handler_t not_found;
	app_handler_t error_handler;
};

// App lifecycle
app_t* app_new(void);
void app_free(app_t *a);
int app_listen(app_t *a, int port);
int app_run(app_t *a);

// Route registration
void app_get(app_t *a, const char *path, app_handler_t handler);
void app_post(app_t *a, const char *path, app_handler_t handler);
void app_put(app_t *a, const char *path, app_handler_t handler);
void app_delete(app_t *a, const char *path, app_handler_t handler);
void app_route(app_t *a, const char *method, const char *path, app_handler_t handler);

// Configuration
void app_set_max_conns(app_t *a, int max);
void app_set_buffer_sizes(app_t *a, size_t read_size, size_t write_size);
void app_set_arena_size(app_t *a, size_t size);
void app_set_not_found(app_t *a, app_handler_t handler);
void app_set_error(app_t *a, app_handler_t handler);

// Worker configuration
void app_set_workers(app_t *a, int num_workers);
void app_set_cpu_affinity(app_t *a, int enabled);

#endif // APP_H