#ifndef RESPONSE_H
#define RESPONSE_H

#include <stddef.h>

typedef struct response response_t;
typedef struct response_header response_header_t;

// Response header
struct response_header {
	char *name;
	char *value;
	response_header_t *next;
};

// HTTP response
struct response {
	int status_code;
	char *status_text;

	response_header_t *headers;

	char *body;
	size_t body_len;
	size_t body_cap;

	int headers_sent;
};

// Response creation
response_t* response_new(void);
void response_free(response_t *res);
void response_reset(response_t *res);

// Status
response_t* response_status(response_t *res, int code);

// Headers
response_t* response_header(response_t *res, const char *name, const char *value);
response_t* response_content_type(response_t *res, const char *type);
response_t* response_content_length(response_t *res, size_t len);

// Body
response_t* response_body(response_t *res, const char *data, size_t len);
response_t* response_write(response_t *res, const char *data, size_t len);

// Convenience methods
response_t* response_text(response_t *res, int status, const char *text);
response_t* response_html(response_t *res, int status, const char *html);
response_t* response_json(response_t *res, int status, const char *json);
response_t* response_redirect(response_t *res, const char *url, int status);

// Cookie
response_t* response_cookie(response_t *res, const char *name, const char *value,
                           const char *path, int max_age, int http_only, int secure);

// Serialize to buffer
int response_serialize(response_t *res, char *buf, size_t size);

#endif // RESPONSE_H