/*
 * Copyright 2005-2016 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: bufr_dump
 *
 */

#include "grib_tools.h"

grib_option grib_options[]={
        /*  {id, args, help}, on, command_line, value*/
        {"j:","s/f/a","\n\t\tJSON mode (JavaScript Object Notation)."
                    "\n\t\tOptions: s->structure, f->flat (only data), a->all attributes"
                    "\n\t\tDefault mode is structure.\n",
                1,1,"s"},
        {"S",0,0,1,0,0},
        {"O",0,"Octet mode. WMO documentation style dump.\n",0,1,0},
        /* {"D",0,0,0,1,0},  */  /* See ECC-215 */
        {"d",0,"Print all data values.\n",1,1,0},
        {"u",0,"Print only some values.\n",0,1,0},
        /* {"C",0,0,0,1,0}, */
        {"t",0,0,0,1,0},
        {"f",0,0,0,1,0},
        {"H",0,0,0,1,0},
        {"a",0,0,0,1,0},
        {"w:",0,0,0,1,0},
        {"s:",0,0,0,1,0},
        /* {"M",0,0,0,1,0}, */
        {"T:",0,0,1,0,"B"},
        {"7",0,0,0,1,0},
        {"V",0,0,0,1,0},
        {"q",0,0,1,0,0}
        /* {"x",0,0,0,1,0} */
};

char* grib_tool_description="Dump the content of a BUFR file in different formats.";
char* grib_tool_name="bufr_dump";
char* grib_tool_usage="[options] file file ...";
static int json=0;
static char* json_option=0;
static int first_handle=1;

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

/**
 * bufr_dump
 * Dump the content of a BUFR file
 *
 */
int main(int argc, char *argv[])
{
    return grib_tool(argc,argv);
}

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

int grib_tool_init(grib_runtime_options* options)
{
    int opt=grib_options_on("C")+grib_options_on("O");

    options->dump_mode = "default";

    if (opt > 1) {
        printf("%s: simultaneous j/C/O options not allowed\n",grib_tool_name);
        exit(1);
    }

    if (grib_options_on("j:")) {
        options->dump_mode = "json";
        json_option=grib_options_get_option("j:");
        if (strlen(json_option)>1 || ( json_option[0] != 's' && json_option[0]!= 'f' && json_option[0]!= 'a')) {
          printf("wrong json option %s\n",json_option);
          exit(1);
        }
        json=1;
    }

    if (grib_options_on("C")) {
        options->dump_mode = "c_code";
        if (grib_options_on("d"))
            options->dump_flags = 0;
        else
            options->dump_flags = GRIB_DUMP_FLAG_NO_DATA;
    }

    if  (grib_options_on("O")) {
        options->dump_mode = "wmo";
        json=0;
        options->dump_flags = GRIB_DUMP_FLAG_CODED
                | GRIB_DUMP_FLAG_OCTECT
                | GRIB_DUMP_FLAG_VALUES
                | GRIB_DUMP_FLAG_READ_ONLY;
    }

    /* See ECC-215
    if (grib_options_on("D")) {
        options->dump_mode = "debug";
        options->dump_flags = GRIB_DUMP_FLAG_VALUES
                |  GRIB_DUMP_FLAG_READ_ONLY;
    }  */

    if (grib_options_on("a"))
        options->dump_flags |= GRIB_DUMP_FLAG_ALIASES;

    if (grib_options_on("t"))
        options->dump_flags |= GRIB_DUMP_FLAG_TYPE;

    if (grib_options_on("H"))
        options->dump_flags |= GRIB_DUMP_FLAG_HEXADECIMAL;

    if (grib_options_on("d") && !grib_options_on("u"))
        options->dump_flags |= GRIB_DUMP_FLAG_ALL_DATA;

    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)
{
    char tmp[1024];
    if (!options->current_infile->name) return 0;
    if (json) return 0;

    sprintf(tmp,"FILE: %s ",options->current_infile->name);
    if (!grib_options_on("C"))
        fprintf(stdout,"***** %s\n",tmp);

    return 0;
}

int grib_tool_new_handle_action(grib_runtime_options* options, grib_handle* h)
{
    long length=0;
    char tmp[1024];
    int i,err=0;
    grib_accessor* a=NULL;
    grib_accessors_list* al=NULL;
    if (grib_get_long(h,"totalLength",&length) != GRIB_SUCCESS)
        length=-9999;

    if (!options->skip) {
        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);
    }

    for (i=0;i<options->print_keys_count;i++)
        grib_set_flag(h,options->print_keys[i].name,GRIB_ACCESSOR_FLAG_DUMP);

    if (json) {
        if (options->handle_count>1) fprintf(stdout,",\n");
        if (json && first_handle) {
          fprintf(stdout,"{ \"messages\" : [ \n");
          first_handle=0;
        }
        switch (json_option[0]) {
          case 'f':
            err=grib_set_long(h,"unpack",2);
            if (err) {
              fprintf(stdout,"\"ERROR: unable to unpack data section\"");
              options->error=err;
              return err;
            }
            a=grib_find_accessor(h,"numericValues");
            al=accessor_bufr_data_array_get_dataAccessors(a);
            options->dump_flags=GRIB_DUMP_FLAG_ALL_ATTRIBUTES;
            codes_dump_bufr_flat(al,h,stdout,options->dump_mode,options->dump_flags,0);
            break;
          case 's':
            err=grib_set_long(h,"unpack",1);
            if (err) {
              fprintf(stdout,"\"ERROR: unable to unpack data section\"");
              options->error=err;
              return err;
            }
            grib_dump_content(h,stdout,options->dump_mode,options->dump_flags,0);
            break;
          case 'a':
            err=grib_set_long(h,"unpack",1);
            if (err) {
              fprintf(stdout,"\"ERROR: unable to unpack data section\"");
              options->error=err;
              return err;
            }
            options->dump_flags=GRIB_DUMP_FLAG_ALL_ATTRIBUTES;
            grib_dump_content(h,stdout,options->dump_mode,options->dump_flags,0);
            break;
          default :
            printf("unknown json option %s\n",json_option);
            exit(1);
        }
    } else {
        sprintf(tmp,"MESSAGE %d ( length=%ld )",options->handle_count,length);
        if (!grib_options_on("C"))
            fprintf(stdout,"#==============   %-38s   ==============\n",tmp);
        grib_set_long(h,"unpack",1);
        grib_dump_content(h,stdout,options->dump_mode,options->dump_flags,0);
    }

    if (!strcmp(options->dump_mode,"default"))
        printf("}\n");
    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)
{
    if (json) fprintf(stdout,"\n]}\n");
    return 0;
}

int grib_no_handle_action(int err) {
    if (json ){
        if (first_handle) {
            fprintf(dump_file,"{ \"messages\" : [ \n");
            first_handle=0;
        } else {
            fprintf(dump_file,",\n");
        }
    }
    fprintf(dump_file,"\"ERROR: unreadable message\"\n");
    return 0;
}