#ifndef REQUEST_H
#define REQUEST_H

#include <stddef.h>
#include "reactor/arena.h"

typedef struct request request_t;
typedef struct header header_t;

// HTTP header
struct header {
	char *name;
	char *value;
	header_t *next;
};

// HTTP request
struct request {
	// Request line
	char *method;
	char *path;
	char *version;
	char *query_string;

	// Headers
	header_t *headers;
	int header_count;

	// Body
	char *body;
	size_t body_len;

	// Parsed data
	char **param_names;
	char **param_values;
	int param_count;

	// Query parameters (parsed on demand)
	char **query_keys;
	char **query_values;
	int query_count;

	// Cookies (parsed on demand)
	char **cookie_names;
	char **cookie_values;
	int cookie_count;

	// Arena for allocations
	arena_t *arena;
};

// Request creation and parsing
request_t* request_new(arena_t *arena);
int request_parse(request_t *req, const char *buf, size_t len);

// Header access
const char* request_header(request_t *req, const char *name);
int request_has_header(request_t *req, const char *name);

// Parameter access (from router)
void request_set_params(request_t *req, char **names, char **values, int count);
const char* request_param(request_t *req, const char *name);

// Query parameter access
const char* request_query(request_t *req, const char *name);
int request_parse_query(request_t *req);

// Cookie access
const char* request_cookie(request_t *req, const char *name);
int request_parse_cookies(request_t *req);

// Body access
const char* request_body(request_t *req);
size_t request_body_len(request_t *req);

// Utility functions
int request_is_json(request_t *req);
int request_is_form(request_t *req);
int request_expects_json(request_t *req);
const char* request_content_type(request_t *req);

#endif // REQUEST_H