#include "e_mod_mixer.h"

Eina_Bool _mixer_using_default = EINA_FALSE;
E_Mixer_Volume_Get_Cb e_mod_mixer_volume_get;
E_Mixer_Volume_Set_Cb e_mod_mixer_volume_set;
E_Mixer_Mute_Get_Cb e_mod_mixer_mute_get;
E_Mixer_Mute_Set_Cb e_mod_mixer_mute_set;
E_Mixer_State_Get_Cb e_mod_mixer_state_get;
E_Mixer_Cb e_mod_mixer_new;
E_Mixer_Cb e_mod_mixer_del;
E_Mixer_Cb e_mod_mixer_channel_default_name_get;
E_Mixer_Cb e_mod_mixer_channel_info_get_by_name;
E_Mixer_Cb e_mod_mixer_channels_get;
E_Mixer_Cb e_mod_mixer_channel_names_get;
E_Mixer_Cb e_mod_mixer_card_name_get;
E_Mixer_Cb e_mod_mixer_card_names_get;
E_Mixer_Cb e_mod_mixer_card_default_get;

void
e_mixer_default_setup(void)
{
   e_mod_mixer_volume_get = (void *)e_mixer_system_get_volume;
   e_mod_mixer_volume_set = (void *)e_mixer_system_set_volume;
   e_mod_mixer_mute_get = (void *)e_mixer_system_get_mute;
   e_mod_mixer_mute_set = (void *)e_mixer_system_set_mute;
   e_mod_mixer_state_get = (void *)e_mixer_system_get_state;
   e_mod_mixer_new = (void *)e_mixer_system_new;
   e_mod_mixer_del = (void *)e_mixer_system_del;
   e_mod_mixer_channel_default_name_get = (void *)e_mixer_system_get_default_channel_name;
   e_mod_mixer_channel_info_get_by_name = (void *)e_mixer_system_get_channel_by_name;
   e_mod_mixer_channels_get = (void *)e_mixer_system_get_channels;
   e_mod_mixer_channel_names_get = (void *)e_mixer_system_get_channel_names;
   e_mod_mixer_card_name_get = (void *)e_mixer_system_get_card_name;
   e_mod_mixer_card_names_get = (void *)e_mixer_system_get_cards;
   e_mod_mixer_card_default_get = (void *)e_mixer_system_get_default_card;
   _mixer_using_default = EINA_TRUE;
}

void
e_mixer_pulse_setup()
{
   e_mod_mixer_volume_get = (void *)e_mixer_pulse_get_volume;
   e_mod_mixer_volume_set = (void *)e_mixer_pulse_set_volume;
   e_mod_mixer_mute_get = (void *)e_mixer_pulse_get_mute;
   e_mod_mixer_mute_set = (void *)e_mixer_pulse_set_mute;
   e_mod_mixer_state_get = (void *)e_mixer_pulse_get_state;
   e_mod_mixer_new = (void *)e_mixer_pulse_new;
   e_mod_mixer_del = (void *)e_mixer_pulse_del;
   e_mod_mixer_channel_default_name_get = (void *)e_mixer_pulse_get_default_channel_name;
   e_mod_mixer_channel_info_get_by_name = (void *)e_mixer_pulse_get_channel_by_name;
   e_mod_mixer_channels_get = (void *)e_mixer_pulse_get_channels;
   e_mod_mixer_channel_names_get = (void *)e_mixer_pulse_get_channel_names;
   e_mod_mixer_card_name_get = (void *)e_mixer_pulse_get_card_name;
   e_mod_mixer_card_names_get = (void *)e_mixer_pulse_get_cards;
   e_mod_mixer_card_default_get = (void *)e_mixer_pulse_get_default_card;
   _mixer_using_default = EINA_FALSE;
}

static int
_channel_info_cmp(const void *data_a, const void *data_b)
{
   const E_Mixer_Channel_Info *a = data_a, *b = data_b;

   if (e_mod_mixer_channel_group_get(a) == e_mod_mixer_channel_group_get(b))
     return strcmp(a->name, b->name);
   if (e_mod_mixer_channel_is_boost(a))
     return 1;
   if (e_mod_mixer_channel_is_boost(b))
     return -1;
   if (e_mod_mixer_channel_group_get(a) < e_mod_mixer_channel_group_get(b))
     return 1;
   return -1;
}

void e_mod_mixer_channel_info_free(E_Mixer_Channel_Info* info)
{
   if (!info) return;
   eina_stringshare_del(info->name);
   free(info);
}

Eina_List *
e_mod_mixer_channel_infos_get(const E_Mixer_System *sys)
{
   return eina_list_sort(e_mod_mixer_channels_get(sys), -1, _channel_info_cmp);
}

void
e_mod_mixer_channel_infos_free(Eina_List *list)
{
   E_Mixer_Channel_Info *info;

   EINA_LIST_FREE(list, info)
     {
        eina_stringshare_del(info->name);
        free(info);
     }
}

void
e_mod_mixer_channel_names_free(Eina_List *list)
{
   const char *str;
   EINA_LIST_FREE(list, str)
     eina_stringshare_del(str);
}

void
e_mod_mixer_card_names_free(Eina_List *list)
{
   const char *str;
   EINA_LIST_FREE(list, str)
     eina_stringshare_del(str);
}