#include <gtk/gtk.h>

#include <glib.h>

#include <glib/gprintf.h>

#include <sys/types.h>

#include <sys/stat.h>

#include <unistd.h>

#include <string.h>

#include <stdio.h>

#include "mmyth_ui.h"

#include "mmyth_uicommon.h"

#include "mmyth_recordui.h"

#include "mmyth_schedulerui.h"

/* GMyth library includes */

#include "gmyth_scheduler.h"

#include "gmyth_common.h"

#include "gmyth_epg.h"

static void run_calendar_dialog (GtkButton *button, gpointer data);

static void add_channel_field (MMythSchedulerUI *scheduler_ui, GtkWidget *vbox);

static void add_time_field (MMythSchedulerUI *scheduler_ui, GtkWidget *vbox);

static void add_date_field (MMythSchedulerUI *scheduler_ui, GtkWidget *vbox);

static void add_duration_field (MMythSchedulerUI *scheduler_ui, GtkWidget *vbox);

static void add_frequency_field (MMythSchedulerUI *scheduler_ui, GtkWidget *vbox);

static void add_title_field (MMythSchedulerUI *scheduler_ui, GtkWidget *vbox);

MMythSchedulerUI*

mmyth_schedulerui_new (void)

{

	GtkWidget *scrolledwindow;	

	GtkWidget *viewport;	

	GtkWidget *head_hbox;

	GtkWidget *fields_vbox;

	GtkWidget *hseparator;

	GtkWidget *label;

	MMythSchedulerUI *scheduler_ui = g_new0 (MMythSchedulerUI, 1);

	scrolledwindow = gtk_scrolled_window_new (NULL, NULL);

	scheduler_ui->main_widget = scrolledwindow;

	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolledwindow),

  			GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);

	//Is this needed?  

	viewport = gtk_viewport_new (NULL, NULL);

	gtk_container_add (GTK_CONTAINER (scrolledwindow), viewport);

	//Is this needed?

	head_hbox = gtk_hbox_new (FALSE, 0);

	gtk_container_add (GTK_CONTAINER (viewport), head_hbox);

	fields_vbox = gtk_vbox_new (FALSE, 0);

	gtk_box_pack_start (GTK_BOX (head_hbox), fields_vbox, TRUE, TRUE, 0);

	gtk_container_set_border_width (GTK_CONTAINER (fields_vbox), 10);

	label = gtk_label_new_with_mnemonic (("Manual Schedule Recording"));

	gtk_box_pack_start (GTK_BOX (fields_vbox), label, FALSE, FALSE, 0);

	gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);

	hseparator = gtk_hseparator_new ();

	gtk_box_pack_start (GTK_BOX (fields_vbox), hseparator, FALSE, TRUE, 0);

	add_channel_field (scheduler_ui, fields_vbox);

	add_time_field (scheduler_ui, fields_vbox);

	add_date_field (scheduler_ui, fields_vbox);

	add_duration_field (scheduler_ui, fields_vbox);

	add_frequency_field (scheduler_ui, fields_vbox);

	add_title_field (scheduler_ui, fields_vbox);

	return scheduler_ui;

}

static void

set_date_from_calendar (GtkCalendar *calendar, gpointer data)

{

	char sched_date[24];

	MMythSchedulerUI *scheduler_ui = (MMythSchedulerUI*) data;

	// FIXME: Change this, save another value instead of month_temp, day_temp, ...	

	gtk_calendar_get_date(GTK_CALENDAR(calendar), 

		&(scheduler_ui->year_temp), &(scheduler_ui->month_temp), &(scheduler_ui->day_temp));

	sched_date[23]='\0';

	g_sprintf(sched_date, "%04d %02d %02d (yyyy mm dd)",

		scheduler_ui->year_temp, scheduler_ui->month_temp+1, scheduler_ui->day_temp);

	gtk_button_set_label(GTK_BUTTON(scheduler_ui->date_button), sched_date);

	gtk_widget_destroy(scheduler_ui->calendar_dialog);

	scheduler_ui->calendar_dialog = NULL;

	scheduler_ui->calendar = NULL;

}

//calendar

static void

run_calendar_dialog (GtkButton *button, gpointer data)

{

	GtkWidget *dialog_vbox;

	MMythSchedulerUI *scheduler_ui = (MMythSchedulerUI*) data;

	// calendar_dialog and calendar are been released at set_date_from_calendar ()

	scheduler_ui->calendar_dialog = gtk_dialog_new ();

	gtk_container_set_border_width (GTK_CONTAINER (scheduler_ui->calendar_dialog), 1);

  	gtk_window_set_title (GTK_WINDOW (scheduler_ui->calendar_dialog), "Select starting date");

  	gtk_window_set_position (GTK_WINDOW (scheduler_ui->calendar_dialog), GTK_WIN_POS_CENTER);

	gtk_window_set_decorated (GTK_WINDOW (scheduler_ui->calendar_dialog), FALSE);

	dialog_vbox = GTK_DIALOG (scheduler_ui->calendar_dialog)->vbox;

	scheduler_ui->calendar = gtk_calendar_new ();

	gtk_box_pack_start (GTK_BOX (dialog_vbox), scheduler_ui->calendar, TRUE, TRUE, 0);

	gtk_calendar_display_options (GTK_CALENDAR (scheduler_ui->calendar),

        GTK_CALENDAR_SHOW_HEADING | GTK_CALENDAR_SHOW_DAY_NAMES);

	gtk_widget_show_all (scheduler_ui->calendar_dialog);

	g_signal_connect (G_OBJECT (scheduler_ui->calendar), "day-selected-double-click",

                      G_CALLBACK (set_date_from_calendar), data);

}

gboolean

mmyth_schedulerui_save (MMythSchedulerUI *scheduler_ui)

{

    GMythScheduler *scheduler;

	ScheduleInfo *schedule_info;

	GMythChannelInfo *channel_info;

	GList *clist;

	gint index, duration;

    gint frequency;

    struct tm start_tm;

	schedule_info = g_new0(ScheduleInfo, 1);

    if(schedule_info == NULL) {

        g_warning ("Error allocating memory");

        return FALSE;

    }

    clist = scheduler_ui->channel_list;

    index = gtk_combo_box_get_active(GTK_COMBO_BOX(scheduler_ui->channel_combobox));

    if (clist != NULL)

		clist = g_list_nth(clist, index);

    if (clist) {

	    g_debug ("[%s] New schedule: %d", __FUNCTION__, index);

    } else {

	    g_warning ("[%s] Error when adding new schedule", __FUNCTION__);

	    return FALSE;

    }

    channel_info = clist->data;

    /* initialize schedule_info */

    schedule_info->channel_id = channel_info->channel_ID;

    start_tm.tm_hour = 

        (int)gtk_spin_button_get_value(GTK_SPIN_BUTTON(scheduler_ui->hour_spinbutton));

	start_tm.tm_min = 

        (int)gtk_spin_button_get_value(GTK_SPIN_BUTTON(scheduler_ui->min_spinbutton));

    start_tm.tm_sec = 0;

	start_tm.tm_mday = (gint)scheduler_ui->day_temp;

	start_tm.tm_mon =  (gint)scheduler_ui->month_temp;

	start_tm.tm_year = (gint)scheduler_ui->year_temp - 1900; //years since 1900

    schedule_info->start_time = timelocal(&start_tm);

    if (schedule_info->start_time == (time_t)(-1)) {

        g_warning ("timelocal error!\n");

        return FALSE;

    }

	duration = (gint) gtk_spin_button_get_value(

                        GTK_SPIN_BUTTON(scheduler_ui->duration_spinbutton));

    schedule_info->end_time = schedule_info->start_time + (duration*60);

    /* TODO: frequency is not implemented yet */

	frequency = gtk_combo_box_get_active(GTK_COMBO_BOX(scheduler_ui->freq_combobox));

	schedule_info->title = g_string_new("");

	g_string_printf(schedule_info->title, "%s", 

                    gtk_entry_get_text(GTK_ENTRY(scheduler_ui->title_entry)));

    /* FIXME: Architecture change to reuse the scheduler created in the recordui! */

    scheduler = gmyth_scheduler_new ();

    gmyth_scheduler_connect(scheduler);

    /* FIXME: set record_id = -1 to add a new schedule */

    schedule_info->record_id = -1;

    gmyth_scheduler_add_schedule (scheduler, schedule_info);

    gmyth_scheduler_disconnect(scheduler);

    /* free allocated memory */

    g_object_unref (scheduler);

    g_free (schedule_info);

    return TRUE;

} 

static GtkWidget*

add_line (GtkWidget *vbox, const gchar *str)

{

	GtkWidget *label;

	GtkWidget *hbox = gtk_hbox_new (FALSE, 0);

	gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);

	gtk_container_set_border_width (GTK_CONTAINER (hbox), 3);

	label = gtk_label_new (str);

	gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);

	gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);	

	return hbox;

}

static void

add_channel_field (MMythSchedulerUI *scheduler_ui, GtkWidget *vbox)

{

	GtkWidget *combobox;

	GtkWidget *hbox = add_line (vbox, "Channel:    ");

	combobox = gtk_combo_box_new_text ();

	scheduler_ui->channel_combobox = combobox;

	gtk_box_pack_start (GTK_BOX (hbox), combobox, FALSE, FALSE, 0);

	GMythEPG *mmyth_epg = gmyth_epg_new ();

	if (!gmyth_epg_connect (mmyth_epg)) {

		// FIXME: Without this list the scheduler UI should not be shown!

		g_warning ("[%s] Error when getting list of channels", __FUNCTION__);

	}

	if (gmyth_epg_get_channel_list (mmyth_epg, &(scheduler_ui->channel_list)) < 0) {

		g_debug ("[%s] Error while trying to retrieve channel list", __FUNCTION__);

	} else {

 		GList *clist =  scheduler_ui->channel_list;

		GMythChannelInfo *channel_info;

		while (clist != NULL) {

  	  		channel_info = clist->data;

  	  		clist = clist->next;

  	  		gtk_combo_box_append_text (GTK_COMBO_BOX (scheduler_ui->channel_combobox), 

                                       (channel_info->channel_name->str));

  		}

       gtk_combo_box_set_active(GTK_COMBO_BOX (scheduler_ui->channel_combobox), 0);

  	}

}

static void

add_time_field (MMythSchedulerUI *scheduler_ui, GtkWidget *vbox)

{

	GtkWidget *label;

	GtkObject *spinbutton_adj;

	GtkWidget *hbox = add_line (vbox, "Time:         ");

	time_t real_time;

	struct tm sched_time;

	time(&real_time);

    if (localtime_r((time_t *)&real_time, &sched_time) == NULL) {

        g_warning ("localtime_r error in mmyth_epg_grid_view!\n");

        return NULL;

    }

	if (sched_time.tm_min>30){

  		sched_time.tm_hour = sched_time.tm_hour+1;

  		sched_time.tm_min = 0;

	} else if (sched_time.tm_min>0) {

  		sched_time.tm_min = 30;

	}

  	scheduler_ui->year_temp = (guint)sched_time.tm_year + 1900;

  	scheduler_ui->month_temp = (guint)sched_time.tm_mon;

  	scheduler_ui->day_temp = (guint)sched_time.tm_mday;

	//hour entry

	spinbutton_adj = gtk_adjustment_new (sched_time.tm_hour, 00, 23, 1, 10, 10);

	scheduler_ui->hour_spinbutton = gtk_spin_button_new (GTK_ADJUSTMENT (spinbutton_adj), 1, 0);

	gtk_box_pack_start (GTK_BOX (hbox), scheduler_ui->hour_spinbutton, FALSE, FALSE, 0);

	label = gtk_label_new ((" : "));

	gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);

	gtk_label_set_justify (GTK_LABEL (label), GTK_JUSTIFY_RIGHT);

	gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);

	//minute entry

	spinbutton_adj = gtk_adjustment_new (sched_time.tm_min, 0, 59, 1, 10, 10);

	scheduler_ui->min_spinbutton = gtk_spin_button_new (GTK_ADJUSTMENT (spinbutton_adj), 1, 0);

	gtk_box_pack_start (GTK_BOX (hbox), scheduler_ui->min_spinbutton, FALSE, FALSE, 0);

	label = gtk_label_new ((" (hh:mm)"));

	gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);

}	

static void

add_date_field (MMythSchedulerUI *scheduler_ui, GtkWidget *vbox)

{

	char sched_date[24];

	GtkWidget *hbox = add_line (vbox, "Date:        ");

	//sched_date = ctime(&real_time);

  	g_sprintf (sched_date, "%04d %02d %02d (yyyy mm dd)", scheduler_ui->year_temp, scheduler_ui->month_temp+1, scheduler_ui->day_temp);

  	sched_date[23]='\0';

  	scheduler_ui->date_button = gtk_button_new_with_label (sched_date);

  	gtk_box_pack_start (GTK_BOX (hbox), scheduler_ui->date_button, FALSE, FALSE, 0);

  	gtk_button_set_relief (GTK_BUTTON (scheduler_ui->date_button), GTK_RELIEF_NONE);

	g_signal_connect (G_OBJECT (scheduler_ui->date_button), "clicked",

                      G_CALLBACK (run_calendar_dialog), scheduler_ui);

}

static void

add_duration_field (MMythSchedulerUI *scheduler_ui, GtkWidget *vbox)

{

	GtkWidget *hbox = add_line (vbox, "Duration:   ");

	GtkWidget *label;

	GtkObject *spinbutton_adj;

	spinbutton_adj = gtk_adjustment_new (60, 5, 360, 5, 60, 60);

  	scheduler_ui->duration_spinbutton = gtk_spin_button_new (GTK_ADJUSTMENT (spinbutton_adj), 1, 0);

  	gtk_box_pack_start (GTK_BOX (hbox), scheduler_ui->duration_spinbutton, FALSE, TRUE, 0);

  	gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (scheduler_ui->duration_spinbutton), TRUE);

	label = gtk_label_new ((" (minutes)     "));

  	gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);

}

static void

add_frequency_field (MMythSchedulerUI *scheduler_ui, GtkWidget *vbox)

{

	GtkWidget *hbox = add_line (vbox, "Frequency: ");	

	scheduler_ui->freq_combobox = gtk_combo_box_new_text ();

	gtk_box_pack_start (GTK_BOX (hbox), scheduler_ui->freq_combobox, FALSE, FALSE, 0);

	gtk_combo_box_append_text (GTK_COMBO_BOX (scheduler_ui->freq_combobox), ("Only this day               "));

	gtk_combo_box_append_text (GTK_COMBO_BOX (scheduler_ui->freq_combobox), ("Daily                            "));

	gtk_combo_box_append_text (GTK_COMBO_BOX (scheduler_ui->freq_combobox), ("Weekly                         "));

	gtk_combo_box_set_active(GTK_COMBO_BOX (scheduler_ui->freq_combobox), 0);

}

static void

add_title_field (MMythSchedulerUI *scheduler_ui, GtkWidget *vbox)

{

	GtkWidget *hbox = add_line (vbox, "Title:           ");

  	scheduler_ui->title_entry = gtk_entry_new ();

  	gtk_box_pack_start (GTK_BOX (hbox), scheduler_ui->title_entry, FALSE, FALSE, 0);

  	gtk_entry_set_text (GTK_ENTRY (scheduler_ui->title_entry), "(Optional)");

}