/*
 * Copyright 2005-2019 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.
 */

#include "grib_tools.h"

grib_option grib_options[]={
        /*  {id, args, help}, on, command_line, value*/
        {"f",0,0,1,0,0},
        {"p:",0,0,0,1,0},
        {"F:",0,0,1,1,"%g"},
        {"P:",0,0,0,1,0},
        {"w:",0,0,0,1,0},
        {"j",0,"json output\n",0,1,0},
        {"B:",0,0,0,1,0},
        {"l:",0,0,0,1,0},
        {"s:",0,0,0,1,0},
        {"i:",0,0,0,1,0},
        {"n:",0,0,1,1,"ls"},
        {"m",0,0,0,1,0},
        {"V",0,0,0,1,0},
        {"W:",0,0,1,1,"10"},
        {"S",0,0,1,0,0},
        {"M",0,0,0,1,0},
        {"H",0,0,1,0,0},
        {"g",0,0,0,1,0},
        {"P",0,0,1,0,0},
        {"T:",0,0,1,0,"F"},
        {"7",0,0,0,1,0},
        {"v",0,0,1,0,0},
        {"x",0,0,0,1,0}
};

const char* grib_tool_description="List content of TAF files printing values of "
        "some keys.\n\tIt does not fail when a key is not found.";
const char* grib_tool_name="taf_ls";
const char* grib_tool_usage="[options] file file ...";

int grib_options_count=sizeof(grib_options)/sizeof(grib_option);
double lat=0;
double lon=0;
int mode=0;
static int json=0;

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)
{
    if (grib_options_on("j")) {
        options->verbose=0;
        json=1;
    }
    if (json) printf("[\n");

    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;
}

static void print_key_values(grib_runtime_options* options,grib_handle* h)
{
    int i;
    int ret=0;
    char* s="\"keys\" : {";
    double dvalue=0;
    long lvalue=0;
    char value[MAX_STRING_LEN];
    size_t len=MAX_STRING_LEN;
    for (i=0;i<options->print_keys_count;i++) {
        ret=GRIB_SUCCESS;
        printf("%s",s);
        len=MAX_STRING_LEN;
        printf("\"%s\" : ",options->print_keys[i].name);
        if (grib_is_missing(h,options->print_keys[i].name,&ret) && ret==GRIB_SUCCESS)
            printf("\"missing\"");
        else if ( ret == GRIB_SUCCESS ) {
            if (options->print_keys[i].type == GRIB_TYPE_UNDEFINED)
                grib_get_native_type(h,options->print_keys[i].name,&(options->print_keys[i].type));
            switch (options->print_keys[i].type) {
            case GRIB_TYPE_STRING:
                ret=grib_get_string( h,options->print_keys[i].name,value,&len);
                printf("\"%s\"",value);
                break;
            case GRIB_TYPE_DOUBLE:
                ret=grib_get_double( h,options->print_keys[i].name,&dvalue);
                printf("%g",dvalue);
                break;
            case GRIB_TYPE_LONG:
                ret=grib_get_long( h,options->print_keys[i].name,&lvalue);
                printf("%ld",lvalue);
                break;
            default:
                printf("invalid_type");
            }
        }
        if (ret == GRIB_NOT_FOUND) printf("null");
        s=", ";
    }
    printf("}");
}

int grib_tool_new_handle_action(grib_runtime_options* options, grib_handle* h)
{
    int err=0;

    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);
    }

    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) printf("\n]\n");

    return 0;
}

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