/*
 * (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.
 */

#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* 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* tool_name  = "taf_ls";
const char* 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;
}