#pragma once

struct span
{
	int start;
	int length;
};

struct header
{
	struct span name;
	struct span value;
};

struct request
{
	int (* step)(struct request *);
	char * data;
	int length;
	int position;
	struct span method;
	struct span path;
	struct span version;
	struct header * headerv;
	int headerc;
	struct span body;
};

enum status
{
	STATUS_OK = 200,
	STATUS_BAD_REQUEST = 400,
	STATUS_METHOD_NOT_ALLOWED = 405,
	STATUS_REQUEST_TIMEOUT = 408,
	STATUS_INTERNAL_SERVER_ERROR = 500,
	STATUS_NOT_IMPLEMENTED = 501,
	STATUS_VERSION_NOT_SUPPORTED = 505,
};

extern const char * status_str[];

struct request * new_request(void);
void free_request(struct request *);

int respond_only_status(int, enum status);
int respond_with_body(int, enum status, const char *, int);

int parse_request(int, struct request **);

int parse_step_method(struct request *);
int parse_step_path(struct request *);
int parse_step_version(struct request *);
int parse_step_header_name(struct request *);
int parse_step_header_value(struct request *);