/*
 * Copyright 2005-2017 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.
 */

/*
 * C Implementation: grib_copy
 *
 */

#include "grib_tools.h"

char* grib_tool_description="Copies the content of grib files printing"
        " values of some keys.";
char* grib_tool_name="grib_copy";
char* grib_tool_usage="[options] grib_file grib_file ... output_grib_file";

grib_option grib_options[]={
        /*  {id, args, help}, on, command_line, value */
        {"f",0,0,0,1,0},
        {"c",0,0,1,0,0},
        {"r",0,0,0,1,0},
        {"q",0,0,1,0,0},
        {"p:",0,0,1,1,0},
        {"P:",0,0,0,1,0},
        {"w:","key[:{s|d|i}]{=|!=}value,key[:{s|d|i}]=value,...","\n\t\tWhere clause."
             "\n\t\tOnly grib messages matching the key/value constraints are copied to the output_grib_file."
             "\n\t\tA valid constraint is of type key=value or key!=value."
             "\n\t\tFor each key a string (key:s), a "
             "double (key:d) or an integer (key:i)\n\t\ttype can be defined. Default type is string."
             "\n\t\tIn the value you can also use the forward-slash character '/' to specify an OR condition (i.e. a logical disjunction)"
             "\n\t\tNote: only one -w clause is allowed.\n",0,1,0},
        {"B:",0,0,0,1,0},
        /*{"s:",0,0,0,1,0},*/
        {"V",0,0,0,1,0},
        {"W:",0,0,0,1,0},
        {"M",0,0,0,1,0},
        {"U",0,0,1,0,0},
        {"H",0,0,1,0,0},
        {"T:",0,0,0,1,0},
        {"S",0,0,1,0,0},
        {"g",0,0,0,1,0},
        {"G",0,0,0,1,0},
        {"7",0,0,0,1,0},
        {"v",0,0,0,1,0}
};

int grib_options_count=sizeof(grib_options)/sizeof(grib_option);

int main(int argc, char *argv[])
{
    int ret=grib_tool(argc,argv);
    return ret;
}

int grib_tool_before_getopt(grib_runtime_options* options)
{
    return 0;
}

int grib_tool_init(grib_runtime_options* options)
{
#if 0
    if (options->outfile && options->outfile->name) {
        options->outfile->file = fopen(options->outfile->name,"w");
        if(!options->outfile->file) {
            perror(options->outfile->name);
            exit(1);
        }
    }
#endif
    return 0;
}

int grib_tool_new_filename_action(grib_runtime_options* options,const char* file)
{
    return 0;
}

int grib_tool_new_file_action(grib_runtime_options* options,grib_tools_file* file)
{
    return 0;
}

int grib_tool_new_handle_action(grib_runtime_options* options, grib_handle* h)
{
    double* v;
    size_t size=0;

    /* For '-s' option
    if (!options->skip) {
        int err = 0;
        if (options->set_values_count != 0)
            err=grib_set_values(h,options->set_values,options->set_values_count);
        if( err != GRIB_SUCCESS && options->fail) exit(err);
    }
    */

    if ( options->repack ) {
        GRIB_CHECK_NOLINE(grib_get_size(h,"values",&size),0);

        v    = (double*)calloc(size,sizeof(double));
        if(!v) {
            fprintf(stderr,"failed to allocate %ld bytes\n",(long)(size*sizeof(double)));
            exit(1);
        }

        GRIB_CHECK_NOLINE(grib_get_double_array(h,"values",v,&size),0);
        GRIB_CHECK_NOLINE(grib_set_double_array(h,"values",v,size),0);
        free(v);
    }
    grib_tools_write_message(options,h);
    return 0;
}

int grib_tool_skip_handle(grib_runtime_options* options, grib_handle* h)
{
    grib_handle_delete(h);
    return 0;
}

void grib_tool_print_key_values(grib_runtime_options* options,grib_handle* h)
{
    grib_print_key_values(options,h);
}

int grib_tool_finalise_action(grib_runtime_options* options)
{
    int err=0;
    grib_file_close_all(&err);
    if (err != GRIB_SUCCESS) {
        perror(grib_tool_name);
        exit(err);
    }
    /* if (options->outfile->file)
       fclose(options->outfile->file); */
    return 0;
}

int grib_no_handle_action(grib_runtime_options* options, int err)
{
    fprintf(dump_file,"\t\t\"ERROR: unreadable message\"\n");
    return 0;
}
