/*
 * This file is part of libbluray
 * Copyright (C) 2009-2010  hpi1
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library. If not, see
 * <http://www.gnu.org/licenses/>.
 */

#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <unistd.h>

#include "bdnav/meta_data.h"
#include "bluray.h"

static const char *_yes_no(int i)
{
    return i > 0 ? "yes" : i < 0 ? "unknown" : "no";
}

static const char *_str_chk_null(const char *s)
{
    return s ? s : "<undefined>";
}

static const char *_num2str(int i)
{
    if (i > 0 && i < 0xff) {
        static char str[32];
        sprintf(str, "%d", i);
        return str;
    }

    return "<undefined>";
}

static const char *_hex2str(const uint8_t *data, size_t len)
{
    static char *str = NULL;
    size_t i;

    str = (char*)realloc(str, 2*len + 1);
    *str = 0;

    for (i = 0; i < len; i++) {
        sprintf(str+2*i, "%02X", data[i]);
    }

    return str;
}

static const char *_aacs_error2str(int error_code)
{
    switch (error_code) {
        case BD_AACS_CORRUPTED_DISC: return "corrupted BluRay disc";
        case BD_AACS_NO_CONFIG:      return "AACS configuration file missing";
        case BD_AACS_NO_PK:          return "no matching processing key";
        case BD_AACS_NO_CERT:        return "no valid AACS certificate";
        case BD_AACS_CERT_REVOKED:   return "AACS certificate revoked";
        case BD_AACS_MMC_FAILED:     return "MMC authentication failed";
    }
    return "unknown error";
}

static const char *_res2str(int x, int y)
{
    if (x > 0 && y > 0 && x < 0xffff && y < 0xffff) {
        static char str[64];
        sprintf(str, "%dx%d", x, y);
        return str;
    }

    return "";
}

static void _print_meta(const META_DL *meta)
{
    if (!meta) {
        printf("\nNo disc library metadata\n");
        return;
    }

    unsigned ii;

    printf("\nDisc library metadata:\n");
    printf("Metadata file       : %s\n", _str_chk_null(meta->filename));
    printf("Language            : %s\n", _str_chk_null(meta->language_code));
    printf("Disc name           : %s\n", _str_chk_null(meta->di_name));
    printf("Alternative         : %s\n", _str_chk_null(meta->di_alternative));
    printf("Disc #              : %s/%s\n", _num2str(meta->di_set_number), _num2str(meta->di_num_sets));

    printf("TOC count           : %d\n", meta->toc_count);
    for (ii = 0; ii < meta->toc_count; ii++) {
        printf("\tTitle %d: %s\n",
               meta->toc_entries[ii].title_number,
               _str_chk_null(meta->toc_entries[ii].title_name));
    }

    printf("Thumbnail count     : %d\n", meta->thumb_count);
    for (ii = 0; ii < meta->thumb_count; ii++) {
        printf("\t%s \t%s\n",
               _str_chk_null(meta->thumbnails[ii].path),
               _res2str(meta->thumbnails[ii].xres, meta->thumbnails[ii].yres));
    }
}

static void _print_app_info(const BLURAY_DISC_INFO *info)
{
    static const char video_format_str[16][8] = {
        "ignored", "480i", "576i", "480p", "1080i", "720p", "1080p", "576p"
    };

    static const char frame_rate_str[16][16] = {
        "ignored",
        "23.976 Hz",
        "24 Hz",
        "25 Hz",
        "29.97 Hz",
        "reserved",
        "50 Hz",
        "59.94 Hz"
    };

    printf("\nApplication info:\n");
    printf("  initial mode preference : %s\n",        info->initial_output_mode_preference ? "3D"  : "2D");
    printf("  3D content exists       : %s\n",        info->content_exist_3D               ? "Yes" : "No");
    printf("  video format            : %s (0x%x)\n", video_format_str[info->video_format & 0xf], info->video_format);
    printf("  frame rate              : %s (0x%x)\n", frame_rate_str[info->frame_rate & 0xf],     info->frame_rate);
    printf("  provider data           : \'%32s\'\n",  info->provider_data);
}

int main(int argc, char *argv[])
{
    int major, minor, micro;
    const char *disc_root = (argc > 1) ? argv[1] : NULL;
    const char *keyfile   = (argc > 2) ? argv[2] : NULL;

    bd_get_version(&major, &minor, &micro);
    printf("Using libbluray version %d.%d.%d\n", major, minor, micro);

    if (!disc_root) {
        fprintf(stderr,
                "%s <BD base dir> [keyfile]\n"
                "   Show BD disc info\n",
                argv[0]);
        exit(EXIT_FAILURE);
    }


    BLURAY *bd = bd_open(disc_root, keyfile);
    if (!bd) {
        fprintf(stderr, "bd_open('%s', '%s') failed.\n", disc_root, keyfile);
        exit(EXIT_FAILURE);
    }

    const BLURAY_DISC_INFO *info = bd_get_disc_info(bd);
    if (!info) {
        fprintf(stderr, "bd_get_disc_info() failed.\n");
        exit(EXIT_FAILURE);
    }

    if (info->udf_volume_id) {
        printf("Volume Identifier   : %s\n", info->udf_volume_id);
    }
    printf("BluRay detected     : %s\n", _yes_no(info->bluray_detected));
    if (info->bluray_detected) {
        printf("First Play supported: %s\n", _yes_no(info->first_play_supported));
        printf("Top menu supported  : %s\n", _yes_no(info->top_menu_supported));
        printf("HDMV titles         : %d\n", info->num_hdmv_titles);
        printf("BD-J titles         : %d\n", info->num_bdj_titles);
        printf("UNSUPPORTED titles  : %d\n", info->num_unsupported_titles);

        printf("\nBD-J detected       : %s\n", _yes_no(info->bdj_detected));
        if (info->bdj_detected) {
            printf("Java VM found       : %s\n", _yes_no(info->libjvm_detected));
            printf("BD-J handled        : %s\n", _yes_no(info->bdj_handled));
            printf("BD-J organization ID: %s\n", info->bdj_org_id);
            printf("BD-J disc ID        : %s\n", info->bdj_disc_id);
        }
    }

    printf("\nAACS detected       : %s\n", _yes_no(info->aacs_detected));
    if (info->aacs_detected) {
        printf("libaacs detected    : %s\n", _yes_no(info->libaacs_detected));
        if (info->libaacs_detected) {
          printf("Disc ID             : %s\n", _hex2str(info->disc_id, sizeof(info->disc_id)));
          printf("AACS MKB version    : %d\n", info->aacs_mkbv);
          printf("AACS handled        : %s\n", _yes_no(info->aacs_handled));
          if (!info->aacs_handled) {
            printf("                      (%s)\n", _aacs_error2str(info->aacs_error_code));
          }
        }
    }

    printf("\nBD+ detected        : %s\n", _yes_no(info->bdplus_detected));
    if (info->bdplus_detected) {
        printf("libbdplus detected  : %s\n", _yes_no(info->libbdplus_detected));
        if (info->libbdplus_detected) {
            if (info->bdplus_gen) {
                printf("BD+ generation      : %d\n", info->bdplus_gen);
            }
            if (info->bdplus_date) {
                printf("BD+ release date    : %d-%02d-%02d\n",
                       info->bdplus_date >> 16, (info->bdplus_date >> 8) & 0xff, info->bdplus_date & 0xff );
            }
            printf("BD+ handled         : %s\n", _yes_no(info->bdplus_handled));
        }
    }

    _print_app_info(info);

    _print_meta(bd_get_meta(bd));

    bd_close(bd);

    return 0;
}