/*
 * (C) Copyright 2005- ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 *
 * In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
 * virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
 */
#ifndef GRIB_TOOLS_H
#define GRIB_TOOLS_H


#ifdef __gnu_hurd__
#define _FILE_OFFSET_BITS 64 /* 64-bit offsets off_t not the default on Hurd/i386 */
#endif

#include "grib_api_internal.h"
#include <stdio.h>
#ifndef ECCODES_ON_WINDOWS
#include <unistd.h>
#endif

#ifndef S_IFMT
#define S_IFMT 0170000 /*  type of file */
#endif

#ifndef S_IFLNK
#define S_IFLNK 0120000 /*  symbolic link */
#endif

#ifndef S_ISLNK
#define S_ISLNK(mode) (((mode) & (S_IFMT)) == (S_IFLNK))
#endif

#define MAX_KEYS       256
#define MAX_STRING_LEN 512
#define MAX_FAILED     1024
#define LATLON_SIZE    4 /* nearest */

#define MODE_GRIB 0
#define MODE_GTS 1
#define MODE_BUFR 2
#define MODE_METAR 3
#define MODE_TAF 5
#define MODE_ANY 6

#ifdef __cplusplus
extern "C" {
#endif

typedef union grib_typed_value
{
    long* long_value;
    double* double_value;
    const char* string_value;
} grib_typed_value;

/*
#define MAX_CONSTRAINT_VALUES 500
typedef struct grib_constraints {
  const char* name;
  int         type;
  grib_typed_value values[MAX_CONSTRAINT_VALUES];
  int         count;
  int         error;
  int         equal;
} grib_constraints;
*/

typedef struct grib_options_help
{
    const char* id;
    const char* args;
    const char* help;
} grib_options_help;


typedef struct grib_option
{
    const char* id;
    const char* args;
    const char* help;
    int on;
    int command_line;
    const char* value;
} grib_option;

typedef struct grib_failed grib_failed;

struct grib_failed
{
    int count;
    int error;
    grib_failed* next;
};

typedef struct grib_tools_file grib_tools_file;

struct grib_tools_file
{
    FILE* file;
    char* name;
    int handle_count;
    int filter_handle_count;
    grib_failed* failed;
    grib_tools_file* next;
};

typedef struct grib_runtime_options
{
    int verbose;
    int fail;
    int skip;
    int default_print_width;
    int print_header;
    char* name_space;
    int print_number;
    int print_statistics;
    grib_values requested_print_keys[MAX_KEYS];
    int requested_print_keys_count;
    grib_values print_keys[MAX_KEYS];
    int print_keys_count;
    int strict;
    int multi_support;
    int set_values_count;
    grib_values set_values[MAX_KEYS];
    grib_values constraints[MAX_KEYS];
    int constraints_count;
    grib_values compare[MAX_KEYS];
    int compare_count;
    int handle_count;
    int filter_handle_count;
    int file_count;
    grib_tools_file* infile_extra;
    grib_tools_file* current_infile;
    grib_tools_file* infile;
    grib_tools_file* outfile;
    grib_action* action;
    int dump_flags;
    char* dump_mode;
    int repack;
    int error;
    int gts;
    char* orderby;
    char* latlon;
    double lats[LATLON_SIZE];
    double lons[LATLON_SIZE];
    double values[LATLON_SIZE];
    double distances[LATLON_SIZE];
    int indexes[LATLON_SIZE];
    int latlon_mode;
    char* latlon_mask;
    int latlon_idx;
    double mask_values[LATLON_SIZE];
    int index;
    int index_on;
    double constant;
    char* dump_filename;
    grib_fieldset* idx;
    int random;
    char* format;
    int onlyfiles;
    int tolerance_count;
    int through_index;
    grib_index* index1;
    grib_index* index2;
    grib_context* context;
    int stop;
    int mode;
    int headers_only;
    int skip_all;
    grib_values tolerance[MAX_KEYS];
    off_t infile_offset;
    int json_output;
} grib_runtime_options;

extern grib_option grib_options[];
extern int grib_options_count;
extern const char* tool_name;
extern const char* tool_description;
extern const char* tool_usage;
extern const char* tool_online_doc; /* Can be NULL */

extern FILE* dump_file;

char* grib_options_get_option(const char* id);
int grib_options_on(const char* id);
int grib_options_get(int argc, char** argv);
int grib_options_get_values(int argc, char** argv, int values_required, int default_type, grib_values values[], int* n, int* optind);
int grib_tool(int argc, char** argv);
const char* grib_options_get_help(const char* id);
const char* grib_options_get_args(const char* id);
int grib_options_command_line(const char* id);
void usage(void);
void usage_doxygen(void);
int grib_tool_before_getopt(grib_runtime_options* options);
int grib_tool_init(grib_runtime_options* options);
int grib_tool_new_file_action(grib_runtime_options* options, grib_tools_file* file);
int grib_tool_new_handle_action(grib_runtime_options* options, grib_handle* h);
int grib_tool_skip_handle(grib_runtime_options* options, grib_handle* h);
int grib_tool_finalise_action(grib_runtime_options* options);
void grib_skip_check(grib_runtime_options* options, grib_handle* h);
void grib_print_key_values(grib_runtime_options* options, grib_handle* h);
void grib_print_file_statistics(grib_runtime_options* options, grib_tools_file* file);
void grib_print_full_statistics(grib_runtime_options* options);
int grib_get_runtime_options(int argc, char** argv, grib_runtime_options* options);
int grib_process_runtime_options(grib_context* c, int argc, char** argv, grib_runtime_options* options);
void grib_tools_write_message(grib_runtime_options* options, grib_handle* h);
int grib_tool_new_filename_action(grib_runtime_options* options, const char* file);
int grib_no_handle_action(grib_runtime_options* options, int err);
int exit_if_input_is_directory(const char* toolname, const char* filename);

#ifdef __cplusplus
}
#endif

#endif /* GRIB_TOOLS_H */