#include <sqlite3.h>

/***** Types *****/

enum method{
	GET,
	POST
};

struct att{
	int id;
	int post;
	int bytes;	/* Size of data. */
	char *name;
	char *desc;
	char *mime;
	char *data;
};

struct post{
	int id;
	int parent;
	int user;
	int created;
	int edited;
	char *subject;
	char *text;
};

struct session{
	int id;
	int user;
	int created;
	char *string;
};

struct user{
	int id;
	int created;
	char *name;
	char *full;
	char *hash;
	char *salt;
};

struct query{
	int method;
	int length;	/* Content length. */
	char *string;
};

struct site{
	char *name;
};

/***** Functions *****/

/* ctl.c */
void newatt(void);
void newpost(void);
void newsession(void);
void newuser(void);
void showatt(int);
void showfront(void);
void showpost(int);
void showuser(int);

/* db.c */
int addatt(struct att *);
int addpost(struct post *);
int addsession(struct session *);
int adduser(struct user *);
int deletesession(struct session *);
int haspass(struct user *, char *);
void makerandom(char *, int);
void makehash(char *, char **, char **);
struct att *getatt(sqlite3_stmt *);
struct post *getpost(sqlite3_stmt *);
struct session *getsession(sqlite3_stmt *);
struct user *getuser(sqlite3_stmt *);
struct att *nextatt(sqlite3_stmt *);
struct post *nextpost(sqlite3_stmt *);
struct session *nextsession(sqlite3_stmt *);
struct user *nextuser(sqlite3_stmt *);
sqlite3_stmt *selectbyint(char *, char *, int);

/* err.c */
void srverr(char *);

/* query.c */
char *nextcookie(int);
char *nextparam(enum method, int *, int);
void setquery(void);
char *split(char *);
int urldecode(char *, int);

/***** Definitions *****/

#define TRUNCATED(s) s[-1]

/* Maximum allowed Content-Length for various forms. */
#define MAXATTDATA 4096
#define MAXPOSTDATA 4096
#define MAXSESSIONDATA 512
#define MAXUSERDATA 512

/* Maximum size of user information, incl. NUL. */
#define MAXUSERNAME 40
#define MAXUSERFULL 128
#define MAXUSERPASS 72

/* Maximum size of cookie values. */
#define MAXCOOKIE 40

/***** Variables *****/

sqlite3 *db;
struct query query;
struct site site;
struct user *curuser;
struct session *cursession;