/* libquvi

 * Copyright (C) 2012,2013  Toni Gundogdu <legatvs@gmail.com>

 *

 * This file is part of libquvi <http://quvi.sourceforge.net/>.

 *

 * This program is free software: you can redistribute it and/or

 * modify it under the terms of the GNU Affero General Public

 * License as published by the Free Software Foundation, either

 * version 3 of the License, or (at your option) any later version.

 *

 * This program 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 Affero General Public License for more details.

 *

 * You should have received a copy of the GNU Affero General

 * Public License along with this program.  If not, see

 * <http://www.gnu.org/licenses/>.

 */

#include "config.h"

#include <locale.h>

#include <stdlib.h>

#include <string.h>

#include <glib.h>

#include <quvi.h>

#include "examples.h"

struct _opts_s

{

  gboolean autoproxy;

  gboolean verbose;

  gboolean online;

  gchar *type;

  gchar **url;

};

static struct _opts_s opts;

static const GOptionEntry entries[] =

{

  {

    "type", 't', 0, G_OPTION_ARG_STRING, &opts.type,

    "Script type", "TYPE"

  },

  {

    "online", 's', 0, G_OPTION_ARG_NONE, &opts.online,

    "Check online", NULL

  },

  {

    "autoproxy", 'a', 0, G_OPTION_ARG_NONE, &opts.autoproxy,

    "Enable the autoproxy feature", NULL

  },

  {

    "verbose", 'v', 0, G_OPTION_ARG_NONE, &opts.verbose,

    "Verbose libcurl output", NULL

  },

  {

    G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_STRING_ARRAY, &opts.url, "URL"

  },

  {NULL, 0, 0, 0, NULL, NULL, NULL}

};

struct _type_lookup_s

{

  QuviSupportsType to;

  const gchar *from;

};

static const struct _type_lookup_s type_conv[] =

{

  {QUVI_SUPPORTS_TYPE_PLAYLIST, "playlist"},

  {QUVI_SUPPORTS_TYPE_SUBTITLE, "subtitle"},

  {QUVI_SUPPORTS_TYPE_MEDIA,    "media"},

  {QUVI_SUPPORTS_TYPE_ANY,      "any"},

  {0, NULL}

};

static gchar **type_sv()

{

  gchar **r;

  gint i,j;

  i=0;

  while (type_conv[i].from != NULL) ++i;

  r = g_new(gchar*, i+1);

  i=j=0;

  while (type_conv[j].from != NULL)

    r[i++] = g_strdup(type_conv[j++].from);

  r[i] = NULL;

  return (r);

}

static gboolean chk_type_values()

{

  gchar **v, *s;

  gboolean r;

  v = type_sv();

  r = examples_chk_val_s(opts.type, v, &s);

  if (r == FALSE)

    {

      g_printerr(

        "error: invalid value (`%s') for the option `--type'\n", s);

    }

  g_strfreev(v);

  v = NULL;

  return (r);

}

static QuviSupportsType type_n()

{

  gint i;

  for (i=0; type_conv[i].from != NULL; ++i)

    {

      if (g_strcmp0(opts.type, type_conv[i].from) == 0)

        return (type_conv[i].to);

    }

  return (QUVI_SUPPORTS_TYPE_MEDIA);

}

static gint opts_new(gint argc, gchar **argv)

{

  GOptionContext *c;

  GError *e;

  gint r;

  c = g_option_context_new("URL");

  r = EXIT_SUCCESS;

  e = NULL;

  g_option_context_set_help_enabled(c, TRUE);

  g_option_context_add_main_entries(c, entries, NULL);

  if (g_option_context_parse(c, &argc, &argv, &e) == FALSE)

    {

      g_printerr("error: %s\n", e->message);

      g_error_free(e);

      r = EXIT_FAILURE;

      e = NULL;

    }

  g_option_context_free(c);

  c = NULL;

  /* Set default values. */

  if (opts.type == NULL)

    opts.type = g_strdup("any");

  /* Check input. */

  if (chk_type_values() == FALSE)

    return (EXIT_FAILURE);

  if (opts.url == NULL)

    {

      g_printerr("error: no input URL\n");

      return (EXIT_FAILURE);

    }

  return (r);

}

static void opts_free()

{

  g_strfreev(opts.url);

  opts.url = NULL;

  g_free(opts.type);

  opts.type = NULL;

}

static QuviSupportsMode mode = QUVI_SUPPORTS_MODE_OFFLINE;

static QuviSupportsType type = QUVI_SUPPORTS_TYPE_ANY;

static void chk_support(const gchar *url)

{

  const QuviBoolean r = quvi_supports(q, url, mode, type);

  /* Always check for any network errors with QUVI_SUPPORTS_MODE_ONLINE. */

  if (r == FALSE && mode == QUVI_SUPPORTS_MODE_ONLINE)

    {

      const glong ec = quvi_errcode(q);

      if (ec != QUVI_ERROR_NO_SUPPORT)

        {

          g_printerr("\nerror: %s\n", quvi_errmsg(q));

          return;

        }

    }

  g_print("%s: %s\n", url, (r == QUVI_TRUE) ? "yes":"no");

}

typedef quvi_callback_status qcs;

gint main(gint argc, gchar **argv)

{

  gint i,r;

  g_assert(q == NULL);

  memset(&opts, 0, sizeof(struct _opts_s));

  setlocale(LC_ALL, "");

  r = opts_new(argc, argv);

  if (r != EXIT_SUCCESS)

    return (r);

  q = quvi_new();

  examples_exit_if_error();

  if (opts.autoproxy == TRUE)

    examples_enable_autoproxy();

  if (opts.verbose == TRUE)

    examples_enable_verbose();

  if (opts.online == TRUE)

    mode = QUVI_SUPPORTS_MODE_ONLINE;

  quvi_set(q, QUVI_OPTION_CALLBACK_STATUS, (qcs) examples_status);

  type = type_n();

  g_printerr("[%s] type=%s (0x%x), mode=0x%x\n",

             __func__, opts.type, type, mode);

  for (i=0; opts.url[i] != NULL; ++i)

    chk_support(opts.url[i]);

  opts_free();

  examples_cleanup();

  g_assert(q == NULL);

  return (r);

}

/* vim: set ts=2 sw=2 tw=72 expandtab: */