/**
 * epanet2.h
 *
 * C/C++ header file for EPANET Programmers Toolkit
 *
 */

#ifndef EPANET2_TOOLKIT_H
#define EPANET2_TOOLKIT_H

// --- define DLLEXPORT

#ifdef __cplusplus
  #define DLLEXPORT extern "C" __declspec(dllexport) __stdcall
#else
  #define DLLEXPORT __declspec(dllexport) __stdcall
#endif

// --- Define the EPANET toolkit constants

#define EN_ELEVATION    0    /* Node parameters */
#define EN_BASEDEMAND   1
#define EN_PATTERN      2
#define EN_EMITTER      3
#define EN_INITQUAL     4
#define EN_SOURCEQUAL   5
#define EN_SOURCEPAT    6
#define EN_SOURCETYPE   7
#define EN_TANKLEVEL    8
#define EN_DEMAND       9
#define EN_HEAD         10
#define EN_PRESSURE     11
#define EN_QUALITY      12
#define EN_SOURCEMASS   13
#define EN_INITVOLUME   14
#define EN_MIXMODEL     15
#define EN_MIXZONEVOL   16

#define EN_TANKDIAM     17
#define EN_MINVOLUME    18
#define EN_VOLCURVE     19
#define EN_MINLEVEL     20
#define EN_MAXLEVEL     21
#define EN_MIXFRACTION  22
#define EN_TANK_KBULK   23

#define EN_DIAMETER     0    /* Link parameters */
#define EN_LENGTH       1
#define EN_ROUGHNESS    2
#define EN_MINORLOSS    3
#define EN_INITSTATUS   4
#define EN_INITSETTING  5
#define EN_KBULK        6
#define EN_KWALL        7
#define EN_FLOW         8
#define EN_VELOCITY     9
#define EN_HEADLOSS     10
#define EN_STATUS       11
#define EN_SETTING      12
#define EN_ENERGY       13

#define EN_DURATION     0    /* Time parameters */
#define EN_HYDSTEP      1
#define EN_QUALSTEP     2
#define EN_PATTERNSTEP  3
#define EN_PATTERNSTART 4
#define EN_REPORTSTEP   5
#define EN_REPORTSTART  6
#define EN_RULESTEP     7
#define EN_STATISTIC    8
#define EN_PERIODS      9

#define EN_NODECOUNT    0    /* Component counts */
#define EN_TANKCOUNT    1
#define EN_LINKCOUNT    2
#define EN_PATCOUNT     3
#define EN_CURVECOUNT   4
#define EN_CONTROLCOUNT 5

#define EN_JUNCTION     0    /* Node types */
#define EN_RESERVOIR    1
#define EN_TANK         2

#define EN_CVPIPE       0    /* Link types */
#define EN_PIPE         1
#define EN_PUMP         2
#define EN_PRV          3
#define EN_PSV          4
#define EN_PBV          5
#define EN_FCV          6
#define EN_TCV          7
#define EN_GPV          8

#define EN_NONE         0    /* Quality analysis types */
#define EN_CHEM         1
#define EN_AGE          2
#define EN_TRACE        3

#define EN_CONCEN       0    /* Source quality types */
#define EN_MASS         1
#define EN_SETPOINT     2
#define EN_FLOWPACED    3

#define EN_CFS          0    /* Flow units types */
#define EN_GPM          1
#define EN_MGD          2
#define EN_IMGD         3
#define EN_AFD          4
#define EN_LPS          5
#define EN_LPM          6
#define EN_MLD          7
#define EN_CMH          8
#define EN_CMD          9

#define EN_TRIALS       0   /* Misc. options */
#define EN_ACCURACY     1
#define EN_TOLERANCE    2
#define EN_EMITEXPON    3
#define EN_DEMANDMULT   4

#define EN_LOWLEVEL     0   /* Control types */
#define EN_HILEVEL      1
#define EN_TIMER        2
#define EN_TIMEOFDAY    3

#define EN_AVERAGE      1   /* Time statistic types.    */
#define EN_MINIMUM      2 
#define EN_MAXIMUM      3
#define EN_RANGE        4

#define EN_MIX1         0   /* Tank mixing models */
#define EN_MIX2         1
#define EN_FIFO         2
#define EN_LIFO         3

#define EN_NOSAVE       0   /* Save-results-to-file flag */
#define EN_SAVE         1
#define EN_INITFLOW     10  /* Re-initialize flow flag   */

// --- declare the EPANET toolkit functions

 int   DLLEXPORT ENepanet(char *, char *, char *, void (*) (char *));
 int   DLLEXPORT ENopen(char *, char *, char *);
 int   DLLEXPORT ENsaveinpfile(char *);
 int   DLLEXPORT ENclose(void);

 int   DLLEXPORT ENsolveH(void);
 int   DLLEXPORT ENsaveH(void);
 int   DLLEXPORT ENopenH(void);
 int   DLLEXPORT ENinitH(int);
 int   DLLEXPORT ENrunH(long *);
 int   DLLEXPORT ENnextH(long *);
 int   DLLEXPORT ENcloseH(void);
 int   DLLEXPORT ENsavehydfile(char *);
 int   DLLEXPORT ENusehydfile(char *);

 int   DLLEXPORT ENsolveQ(void);
 int   DLLEXPORT ENopenQ(void);
 int   DLLEXPORT ENinitQ(int);
 int   DLLEXPORT ENrunQ(long *);
 int   DLLEXPORT ENnextQ(long *);
 int   DLLEXPORT ENstepQ(long *);
 int   DLLEXPORT ENcloseQ(void);

 int   DLLEXPORT ENwriteline(char *);
 int   DLLEXPORT ENreport(void);
 int   DLLEXPORT ENresetreport(void);
 int   DLLEXPORT ENsetreport(char *);

 int   DLLEXPORT ENgetcontrol(int, int *, int *, float *,
                      int *, float *);
 int   DLLEXPORT ENgetcount(int, int *);
 int   DLLEXPORT ENgetoption(int, float *);
 int   DLLEXPORT ENgettimeparam(int, long *);
 int   DLLEXPORT ENgetflowunits(int *);
 int   DLLEXPORT ENgetpatternindex(char *, int *);
 int   DLLEXPORT ENgetpatternid(int, char *);
 int   DLLEXPORT ENgetpatternlen(int, int *);
 int   DLLEXPORT ENgetpatternvalue(int, int, float *);
 int   DLLEXPORT ENgetqualtype(int *, int *);
 int   DLLEXPORT ENgeterror(int, char *, int);

 int   DLLEXPORT ENgetnodeindex(char *, int *);
 int   DLLEXPORT ENgetnodeid(int, char *);
 int   DLLEXPORT ENgetnodetype(int, int *);
 int   DLLEXPORT ENgetnodevalue(int, int, float *);

 int   DLLEXPORT ENgetlinkindex(char *, int *);
 int   DLLEXPORT ENgetlinkid(int, char *);
 int   DLLEXPORT ENgetlinktype(int, int *);
 int   DLLEXPORT ENgetlinknodes(int, int *, int *);
 int   DLLEXPORT ENgetlinkvalue(int, int, float *);

 int   DLLEXPORT ENgetversion(int *);

 int   DLLEXPORT ENsetcontrol(int, int, int, float, int, float);
 int   DLLEXPORT ENsetnodevalue(int, int, float);
 int   DLLEXPORT ENsetlinkvalue(int, int, float);
 int   DLLEXPORT ENaddpattern(char *);
 int   DLLEXPORT ENsetpattern(int, float *, int);
 int   DLLEXPORT ENsetpatternvalue(int, int, float);
 int   DLLEXPORT ENsettimeparam(int, long);
 int   DLLEXPORT ENsetoption(int, float);
 int   DLLEXPORT ENsetstatusreport(int);
 int   DLLEXPORT ENsetqualtype(int, char *, char *, char *);

#endif