/*
 * playlist.c -- GTK+ 2 omnplay
 * Copyright (C) 2011 Maksym Veremeyenko <verem@m1stereo.tv>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gtk/gtk.h>
#include <gdk/gdkkeysyms.h>
#include <pthread.h>

#include "omnplay.h"
#include "ui.h"
#include "timecode.h"

void omnplay_library_load(omnplay_instance_t* app)
{
    int i;
    FILE* f;
    char *l;
    playlist_item_t item;

    /* allocate space for strings and items */
    l = malloc(PATH_MAX);

    pthread_mutex_lock(&app->library.lock);

    app->library.count = 0;

    /* open and process file */
    if(app->library.filename[0] && (f = fopen(app->library.filename, "rt")))
    {
        while( !feof(f) )
        {
            char *s, *sp_r, *sp_b;

            /* load string */
            memset(l, 0, PATH_MAX);
            fgets(l, PATH_MAX, f);

            /* remove newlines */
            if( (s = strchr(l, '\n')) ) *s = 0;
            if( (s = strchr(l, '\r')) ) *s = 0;

            /* check for empty line */
            if(l[0] && l[0] != '#')
            {
                memset(&item, 0, sizeof(playlist_item_t));

                for(i = 0, sp_b = l; (NULL != (sp_r = strtok(sp_b, "\t"))); i++, sp_b = NULL)
                {
                    switch(i)
                    {
                        case 0: strncpy(item.id, sp_r, PATH_MAX); break;
                        case 1: tc2frames(sp_r, 25.0, &item.in); break;
                        case 2: tc2frames(sp_r, 25.0, &item.dur); break;
                        case 3: strncpy(item.title, sp_r, PATH_MAX); break;
                    };
                };

                /* insert item */
                app->library.item[app->library.count++] = item;
            };
        }

        fclose(f);
    }

    pthread_mutex_unlock(&app->library.lock);

    /* free data */
    free(l);

    omnplay_library_draw(app);
};

void omnplay_library_save(omnplay_instance_t* app)
{
    int i;
    FILE* f;

    pthread_mutex_lock(&app->library.lock);

    if(app->library.filename[0] && (f = fopen(app->library.filename, "wt")))
    {
        char tc_in[32], tc_dur[32];

        for(i = 0; i < app->library.count; i++)
            fprintf(f, "%s\t%s\t%s\t%s\n",
                app->library.item[i].id,
                frames2tc(app->library.item[i].in, 25.0, tc_in),
                frames2tc(app->library.item[i].dur, 25.0, tc_dur),
                app->library.item[i].title);

        fclose(f);
    };

    pthread_mutex_unlock(&app->library.lock);
};

void omnplay_library_refresh(omnplay_instance_t* app)
{
};

void omnplay_library_draw(omnplay_instance_t* app)
{
    int i;
    char tc[12];
    GtkListStore *list_store;
    GtkTreeIter iter;

    list_store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(app->library_grid)));
    gtk_list_store_clear(list_store);

    pthread_mutex_lock(&app->library.lock);

    for(i = 0;i < app->library.count; i++)
    {
        gtk_list_store_append(list_store, &iter);

        gtk_list_store_set(list_store, &iter,
            0, app->library.item[i].id,
            1, frames2tc(app->playlist.item[i].dur, 25.0, tc),
            2, app->library.item[i].title,
            3, i,
            -1 );
    }

    pthread_mutex_unlock(&app->library.lock);
};