#include <e.h>
#include "e_mod_main.h"
#include <json-c/json.h>

char *strptime(const char *s, const char *format, struct tm *tm);

#define FORECASTS    2
#define KM_TO_MI     1.609344
#define MB_TO_IN     33.864

#define GOLDEN_RATIO 1.618033989

#define ENABLE_DEBUG 0
#define DEBUG(f, ...) if (ENABLE_DEBUG) \
    printf("[forecasts] "f "\n", __VA_ARGS__)

static E_Gadcon_Client *_gc_init(E_Gadcon *gc, const char *name, const char *id, const char *style);
static void             _gc_shutdown(E_Gadcon_Client *gcc);
static void             _gc_orient(E_Gadcon_Client *gcc, E_Gadcon_Orient orient);
static const char      *_gc_label(const E_Gadcon_Client_Class *client_class);
static Evas_Object     *_gc_icon(const E_Gadcon_Client_Class *client_class, Evas *evas);
static const char      *_gc_id_new(const E_Gadcon_Client_Class *client_class);

static E_Config_DD *conf_edd = NULL;
static E_Config_DD *conf_item_edd = NULL;

Config *forecasts_config = NULL;

static const E_Gadcon_Client_Class _gadcon_class = {
   GADCON_CLIENT_CLASS_VERSION,
   "forecasts", {_gc_init, _gc_shutdown, _gc_orient, _gc_label, _gc_icon, _gc_id_new, NULL, NULL},
   E_GADCON_CLIENT_STYLE_PLAIN
};

typedef struct _Instance  Instance;
typedef struct _Forecasts Forecasts;

struct _Instance
{
   E_Gadcon_Client     *gcc;
   Evas_Object         *forecasts_obj;
   Forecasts           *forecasts;
   Ecore_Timer         *check_timer;
   Ecore_Con_Url       *url;
   Ecore_Event_Handler *url_data_handler;
   Ecore_Event_Handler *url_complete_handler;

   const char          *update_time;
   struct
   {
      int  temp;
      char update[52];
      char desc[256];
      char code[128];
   } condition;

   struct
   {
      char temp, distance[3], pressure[3], speed[5];
   } units;

   struct
   {
      struct
      {
         int chill, direction, speed;
         Eina_Bool can_chill;
      } wind;

      struct
      {
         int   humidity;
         float pressure;
      } atmosphere;

   } details;

   struct
   {
      char day[4];
      char date[12];
      int  low, high;
      char code[128];
      char desc[256];
   } forecast[FORECASTS];

   Eina_Strbuf    *buffer;
   const char     *location;
   const char     *area;

   E_Gadcon_Popup *popup;
   Config_Item    *ci;
};

struct _Forecasts
{
   Instance    *inst;
   Evas_Object *forecasts_obj;
   Evas_Object *icon_obj;
};

/* Module Function Protos */
static void         _forecasts_cb_mouse_up(void *data, Evas *e, Evas_Object *obj,
                                           void *event_info);
static void         _forecasts_menu_cb_configure(void *data, E_Menu *m,
                                                 E_Menu_Item *mi);
static void         _forecasts_menu_cb_post(void *data, E_Menu *m);
static Eina_Bool    _forecasts_cb_check(void *data);
static Config_Item *_forecasts_config_item_get(const char *id);
static Forecasts   *_forecasts_new(Evas *evas);
static void         _forecasts_free(Forecasts *w);
static Eina_Bool    _forecasts_url_data(void *data, int type, void *event);
static Eina_Bool    _forecasts_url_complete(void *data, int type, void *event);
static int          _forecasts_parse(void *data);
static void         _forecasts_converter(Instance *inst);
static void         _forecasts_convert_degrees(int *value, int dir);
static void         _forecasts_convert_distances(int *value, int dir);
static void         _forecasts_convert_pressures(float *value, int dir);
static void         _forecasts_display_set(Instance *inst, int ok);
static void         _forecasts_popup_content_create(Instance *inst);
static void         _cb_mouse_up(void *data, Evas *e, Evas_Object *obj, void *event_info);
static Evas_Object *_forecasts_popup_icon_create(Evas *evas, const char *code);
static void         _forecasts_popup_destroy(Instance *inst);

/* Gadcon Functions */
static E_Gadcon_Client *
_gc_init(E_Gadcon *gc, const char *name, const char *id, const char *style)
{
   Evas_Object *o;
   E_Gadcon_Client *gcc;
   Forecasts *w;
   Instance *inst;

   inst = E_NEW(Instance, 1);

   inst->ci = _forecasts_config_item_get(id);
   inst->area = eina_stringshare_add(inst->ci->location);
   inst->buffer = eina_strbuf_new();

   w = _forecasts_new(gc->evas);
   w->inst = inst;
   inst->forecasts = w;

   o = w->forecasts_obj;
   gcc = e_gadcon_client_new(gc, name, id, style, o);
   gcc->data = inst;
   inst->gcc = gcc;
   inst->popup = NULL;
   inst->forecasts_obj = o;
   evas_object_event_callback_add(inst->forecasts_obj, EVAS_CALLBACK_MOUSE_UP,
                                  _cb_mouse_up, inst);

   if (!inst->url_data_handler)
     inst->url_data_handler =
       ecore_event_handler_add(ECORE_CON_EVENT_URL_DATA,
                               _forecasts_url_data, inst);
   if (!inst->url_complete_handler)
     inst->url_complete_handler =
       ecore_event_handler_add(ECORE_CON_EVENT_URL_COMPLETE,
                               _forecasts_url_complete, inst);

   evas_object_event_callback_add(w->forecasts_obj, EVAS_CALLBACK_MOUSE_UP,
                                  _forecasts_cb_mouse_up, inst);
   forecasts_config->instances =
     eina_list_append(forecasts_config->instances, inst);

   _forecasts_cb_check(inst);
   inst->check_timer =
     ecore_timer_add(inst->ci->poll_time, _forecasts_cb_check, inst);
   return gcc;
}

static void
_gc_shutdown(E_Gadcon_Client *gcc)
{
   Instance *inst;
   Forecasts *w;

   inst = gcc->data;
   w = inst->forecasts;

   if (inst->popup) _forecasts_popup_destroy(inst);
   if (inst->check_timer)
     ecore_timer_del(inst->check_timer);
   if (inst->url_data_handler)
     ecore_event_handler_del(inst->url_data_handler);
   if (inst->url_complete_handler)
     ecore_event_handler_del(inst->url_complete_handler);
   if (inst->url)
     ecore_con_url_free(inst->url);
   if (inst->area)
     eina_stringshare_del(inst->area);
   eina_strbuf_free(inst->buffer);
   if (inst->update_time)
     eina_stringshare_del(inst->update_time);

   inst->url = NULL;
   forecasts_config->instances =
     eina_list_remove(forecasts_config->instances, inst);

   evas_object_event_callback_del(w->forecasts_obj, EVAS_CALLBACK_MOUSE_UP,
                                  _forecasts_cb_mouse_up);

   _forecasts_free(w);
   E_FREE(inst);
}

static void
_gc_orient(E_Gadcon_Client *gcc, E_Gadcon_Orient orient)
{
   Instance *inst;

   inst = gcc->data;

   switch (orient)
     {
      case E_GADCON_ORIENT_FLOAT:
        edje_object_signal_emit(inst->forecasts_obj, "e,state,orientation,float", "e");
        e_gadcon_client_aspect_set(gcc, 240, 120);
        e_gadcon_client_min_size_set(gcc, 240, 120);
        break;

      default:
        edje_object_signal_emit(inst->forecasts_obj, "e,state,orientation,default", "e");
        e_gadcon_client_aspect_set(gcc, 16, 16);
        e_gadcon_client_min_size_set(gcc, 16, 16);
        break;
     }
}

static const char *
_gc_label(const E_Gadcon_Client_Class *client_class EINA_UNUSED)
{
   return D_("Forecasts");
}

static Evas_Object *
_gc_icon(const E_Gadcon_Client_Class *client_class EINA_UNUSED, Evas *evas)
{
   Evas_Object *o;
   char buf[4096];

   o = edje_object_add(evas);
   snprintf(buf, sizeof(buf), "%s/e-module-forecasts.edj",
            e_module_dir_get(forecasts_config->module));
   edje_object_file_set(o, buf, "icon");
   return o;
}

static const char *
_gc_id_new(const E_Gadcon_Client_Class *client_class EINA_UNUSED)
{
   Config_Item *ci;

   ci = _forecasts_config_item_get(NULL);
   return ci->id;
}

static void
_forecasts_cb_mouse_up(void *data, Evas *e EINA_UNUSED,
                       Evas_Object *obj EINA_UNUSED,
                       void *event_info)
{
   Instance *inst = data;
   Evas_Event_Mouse_Up *ev = event_info;

   if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return;
   if ((ev->button == 3) && (!forecasts_config->menu))
     {
        E_Menu *m;
        E_Menu_Item *mi;
        int x, y, w, h;

        m = e_menu_new();
        mi = e_menu_item_new(m);
        e_menu_item_label_set(mi, D_("Settings"));
        e_util_menu_item_theme_icon_set(mi, "preferences-system");
        e_menu_item_callback_set(mi, _forecasts_menu_cb_configure, inst);

        m = e_gadcon_client_util_menu_items_append(inst->gcc, m, 0);
        e_menu_post_deactivate_callback_set(m, _forecasts_menu_cb_post, inst);
        forecasts_config->menu = m;

        e_gadcon_canvas_zone_geometry_get(inst->gcc->gadcon, &x, &y, &w, &h);
        e_menu_activate_mouse(m,
                              e_zone_current_get(), x + ev->output.x,
                              y + ev->output.y, 1, 1,
                              E_MENU_POP_DIRECTION_DOWN, ev->timestamp);
        evas_event_feed_mouse_up(inst->gcc->gadcon->evas, ev->button,
                                 EVAS_BUTTON_NONE, ev->timestamp, NULL);
     }
}

static void
_forecasts_menu_cb_post(void *data EINA_UNUSED, E_Menu *m EINA_UNUSED)
{
   if (!forecasts_config->menu)
     return;
   e_object_del(E_OBJECT(forecasts_config->menu));
   forecasts_config->menu = NULL;
}

static void
_forecasts_menu_cb_configure(void *data, E_Menu *m EINA_UNUSED, E_Menu_Item *mi EINA_UNUSED)
{
   Instance *inst;

   inst = data;
   _config_forecasts_module(inst->ci);
}

static Config_Item *
_forecasts_config_item_get(const char *id)
{
   Eina_List *l;
   Config_Item *ci;
   char buf[128];

   if (!id)
     {
        int num = 0;

        /* Create id */
        if (forecasts_config->items)
          {
             const char *p;
             ci = eina_list_last(forecasts_config->items)->data;
             p = strrchr(ci->id, '.');
             if (p) num = strtol(p + 1, NULL, 10) + 1;
          }
        snprintf(buf, sizeof(buf), "%s.%d", _gadcon_class.name, num);
        id = buf;
     }
   else
     {
        for (l = forecasts_config->items; l; l = l->next)
          {
             ci = l->data;
             if (!ci->id)
               continue;
             if (!strcmp(ci->id, id))
               return ci;
          }
     }

   ci = E_NEW(Config_Item, 1);
   ci->id = eina_stringshare_add(id);
   ci->poll_time = 60.0;
   ci->degrees = DEGREES_C;
   ci->lat = ci->lon = 0;
   ci->show_text = 1;
   ci->popup_on_hover = 1;

   forecasts_config->items = eina_list_append(forecasts_config->items, ci);
   return ci;
}

/* Gadman Module Setup */
E_API E_Module_Api e_modapi = {
   E_MODULE_API_VERSION,
   "Forecasts"
};

E_API void *
e_modapi_init(E_Module *m)
{
   Eina_List *l;
   Config_Item *ci;

   ecore_con_url_init();
   bindtextdomain(PACKAGE, LOCALE_DIR);
   bind_textdomain_codeset(PACKAGE, "UTF-8");

   conf_item_edd = E_CONFIG_DD_NEW("Forecasts_Config_Item", Config_Item);
#undef T
#undef D
#define T Config_Item
#define D conf_item_edd
   E_CONFIG_VAL(D, T, id, STR);
   E_CONFIG_VAL(D, T, poll_time, DOUBLE);
   E_CONFIG_VAL(D, T, degrees, INT);
   E_CONFIG_VAL(D, T, show_text, INT);
   E_CONFIG_VAL(D, T, popup_on_hover, INT);
   E_CONFIG_VAL(D, T, location_id, INT);
   E_CONFIG_VAL(D, T, location, STR);
   E_CONFIG_VAL(D, T, lat, STR);
   E_CONFIG_VAL(D, T, lon, STR);

   conf_edd = E_CONFIG_DD_NEW("Forecasts_Config", Config);
#undef T
#undef D
#define T Config
#define D conf_edd
   E_CONFIG_LIST(D, T, items, conf_item_edd);

   forecasts_config = e_config_domain_load("module.forecasts", conf_edd);
   if (!forecasts_config)
     {
        forecasts_config = E_NEW(Config, 1);

        ci = E_NEW(Config_Item, 1);
        ci->poll_time = 60.0;
        ci->degrees = DEGREES_C;
        ci->lat = ci->lon = 0;
        ci->id = eina_stringshare_add("0");
        ci->show_text = 1;
        ci->popup_on_hover = 1;

        forecasts_config->items = eina_list_append(forecasts_config->items, ci);
     }
   EINA_LIST_FOREACH(forecasts_config->items, l, ci)
     {
        if (ci->poll_time < 60.0) ci->poll_time = 60.0;
        else if (ci->poll_time > 3600.0) ci->poll_time = 3600.0;
     }

   forecasts_config->module = m;
   e_gadcon_provider_register(&_gadcon_class);
   return m;
}

E_API int
e_modapi_shutdown(E_Module *m EINA_UNUSED)
{
   forecasts_config->module = NULL;
   e_gadcon_provider_unregister(&_gadcon_class);

   if (forecasts_config->config_dialog)
     e_object_del(E_OBJECT(forecasts_config->config_dialog));
   if (forecasts_config->menu)
     {
        e_menu_post_deactivate_callback_set(forecasts_config->menu, NULL, NULL);
        e_object_del(E_OBJECT(forecasts_config->menu));
        forecasts_config->menu = NULL;
     }

   while (forecasts_config->items)
     {
        Config_Item *ci;

        ci = forecasts_config->items->data;
        if (ci->id)
          eina_stringshare_del(ci->id);
        if (ci->location)
          eina_stringshare_del(ci->location);

        forecasts_config->items =
          eina_list_remove_list(forecasts_config->items, forecasts_config->items);
        free(ci);
        ci = NULL;
     }

   E_FREE(forecasts_config);
   E_CONFIG_DD_FREE(conf_item_edd);
   E_CONFIG_DD_FREE(conf_edd);
   ecore_con_url_shutdown();
   return 1;
}

E_API int
e_modapi_save(E_Module *m EINA_UNUSED)
{
   e_config_domain_save("module.forecasts", conf_edd, forecasts_config);
   return 1;
}

static Forecasts *
_forecasts_new(Evas *evas)
{
   Forecasts *w;
   char buf[4096];

   w = E_NEW(Forecasts, 1);

   w->forecasts_obj = edje_object_add(evas);

   snprintf(buf, sizeof(buf), "%s/forecasts.edj",
            e_module_dir_get(forecasts_config->module));
   if (!e_theme_edje_object_set(w->forecasts_obj, "base/theme/modules/forecasts",
                                "modules/forecasts/main"))
     edje_object_file_set(w->forecasts_obj, buf, "modules/forecasts/main");
   evas_object_show(w->forecasts_obj);

   w->icon_obj = edje_object_add(evas);
   if (!e_theme_edje_object_set(w->icon_obj, "base/theme/modules/forecasts/icons",
                                "modules/forecasts/icons/3200"))
     edje_object_file_set(w->icon_obj, buf, "modules/forecasts/icons/3200");
   edje_object_part_swallow(w->forecasts_obj, "icon", w->icon_obj);

   return w;
}

static void
_forecasts_free(Forecasts *w)
{
   char name[60];
   int i;

   for (i = 0; i < FORECASTS; i++)
     {
        Evas_Object *swallow;

        snprintf(name, sizeof(name), "e.swallow.day%d.icon", i);
        swallow = edje_object_part_swallow_get(w->forecasts_obj, name);
        if (swallow)
          evas_object_del(swallow);
     }
   evas_object_del(w->forecasts_obj);
   evas_object_del(w->icon_obj);
   free(w);
   w = NULL;
}

static Eina_Bool
_forecasts_cb_check(void *data)
{
   Instance *inst = data;
   char buf[256];

   /* if we have a previous server, delete it */
   if (inst->url) ecore_con_url_free(inst->url);
   snprintf(buf, sizeof(buf),
            "https://www.enlightenment.org/weather.php?lat=%s&lon=%s",
            inst->ci->lat, inst->ci->lon);
   DEBUG("FC: URL: %s", buf);
   inst->url = ecore_con_url_new(buf);
   if (!inst->url) return EINA_FALSE;
   ecore_con_url_http_version_set(inst->url, ECORE_CON_URL_HTTP_VERSION_1_0);
   ecore_con_url_get(inst->url);
   return EINA_TRUE;
}

static Eina_Bool
_forecasts_url_data(void *data, int type EINA_UNUSED, void *event)
{
   Instance *inst = data;
   Ecore_Con_Event_Url_Data *ev = event;

   if ((!inst->url) || (inst->url != ev->url_con)) return EINA_TRUE;
   eina_strbuf_append_length(inst->buffer, (const char *)ev->data, ev->size);
   return EINA_FALSE;
}

static Eina_Bool
_forecasts_url_complete(void *data, int type EINA_UNUSED, void *event)
{
   Instance *inst = data;
   Ecore_Con_Event_Url_Complete *ev = event;
   int ret;

   if ((!inst->url) || (inst->url != ev->url_con)) return EINA_TRUE;
   DEBUG("FC: status: %i %s", ev->status, eina_strbuf_string_get(inst->buffer));
   ecore_con_url_free(inst->url);
   inst->url = NULL;

   eina_stringshare_replace(&inst->location, inst->ci->location);
   ret = _forecasts_parse(inst);
   _forecasts_converter(inst);
   _forecasts_display_set(inst, ret);

   eina_strbuf_string_free(inst->buffer);
   return EINA_FALSE;
}

static void
_timestamp_local(const char *timestamp, char *buf, size_t len)
{
   struct tm tm_in;
   struct tm *tm_out;
   time_t t;

   memset(&tm_in, 0, sizeof(struct tm));
   strptime(timestamp, "%Y-%m-%dT%H:%M:%SZ", &tm_in);
   t = mktime(&tm_in);
   tm_out = localtime(&t);
   strftime(buf, len - 1, "%Y-%m-%d %H:%M:%S", tm_out);
}

static struct tm *
_timestamp_time(const char *timestamp)
{
   struct tm tm_in;
   struct tm *tm_out;
   time_t t;

   memset(&tm_in, 0, sizeof(struct tm));
   strptime(timestamp, "%Y-%m-%dT%H:%M:%SZ", &tm_in);
   t = mktime(&tm_in);
   tm_out = localtime(&t);

   return tm_out;
}

static int
_epoch_days(struct tm *tm_in)
{
   time_t t = mktime(tm_in);

   return t / 86400;
}

static int
_forecasts_parse(void *data)
{
   Instance *inst = data;
   const char *result;
   const char *timestamp, *code;
   time_t now;
   struct tm *tm_local, *tm_data;
   int i, len, days_prev, idx = 0;
   static char *weekdays[7] =
   {
      "Sun",
      "Mon",
      "Tue",
      "Wed",
      "Thu",
      "Fri",
      "Sat",
   };

   if (!inst->buffer) return 0;

   for (int i = 0; i < FORECASTS; i++)
     {
        inst->forecast[i].high = -237.15;
        inst->forecast[i].low =  190.0;
     }
   now = time(NULL);
   tm_local = localtime(&now);
   days_prev = _epoch_days(tm_local);

   result = eina_strbuf_string_get(inst->buffer);
   if (!result) goto error;

   json_object *o_root = json_tokener_parse(result);
   if (!o_root) goto error;
   json_object *o_properties = json_object_object_get(o_root, "properties");
   if (!o_properties) goto error;
   json_object *o_meta = json_object_object_get(o_properties, "meta");
   if (!o_meta) goto error;
   json_object *o_updated = json_object_object_get(o_meta, "updated_at");
   if (!o_updated) goto error;
   timestamp = json_object_get_string(o_updated);
   if (!timestamp) goto error;
   eina_stringshare_replace(&inst->update_time, timestamp);
   json_object *o_timeseries = json_object_object_get(o_properties, "timeseries");
   if (!o_timeseries) goto error;
   if (json_object_get_type(o_timeseries) != json_type_array) goto error;

   inst->units.temp = 'C';
   snprintf(inst->units.distance, 3, "km");
   snprintf(inst->units.pressure, 3, "mb");
   snprintf(inst->units.speed, 5, "km/h");

   len = json_object_array_length(o_timeseries);
   for (i = 0; i < len; i++)
     {
        json_object *o_index = json_object_array_get_idx(o_timeseries, i);
        if (!o_index) break;

        timestamp = json_object_get_string(json_object_object_get(o_index, "time"));
        tm_data = _timestamp_time(timestamp);

        int days = _epoch_days(tm_data);
        if ((days != days_prev) && days == (days_prev + 1))
          idx++;

        if (idx > 1) break;
        else if (idx == 0)
          {
             strftime(inst->forecast[idx].date, 12, "%d %b %Y", tm_data);
             strncpy(inst->forecast[idx].day, weekdays[tm_data->tm_wday], 3);
          }
        else if (idx == 1)
          {
             strftime(inst->forecast[idx].date, 12, "%d %b %Y", tm_data);
             strncpy(inst->forecast[idx].day, weekdays[tm_data->tm_wday], 3);
          }

        json_object *o_data = json_object_object_get(o_index, "data");
        if (!o_data) break;
        json_object *o_instant = json_object_object_get(o_data, "instant");
        if (!o_instant) break;
        json_object *o_details = json_object_object_get(o_instant, "details");
        if (!o_details) break;

        double v = json_object_get_double(json_object_object_get(o_details, "air_temperature"));

        if (v > inst->forecast[idx].high) inst->forecast[idx].high = v;
        if (v < inst->forecast[idx].low) inst->forecast[idx].low = v;

        if (i == 0)
          {
             inst->condition.temp = v;
             v = json_object_get_double(json_object_object_get(o_details, "air_pressure_at_sea_level"));
             inst->details.atmosphere.pressure = v;
             v = json_object_get_double(json_object_object_get(o_details, "relative_humidity"));
             inst->details.atmosphere.humidity = v;
             v = json_object_get_double(json_object_object_get(o_details, "wind_from_direction"));
             inst->details.wind.direction = v;
             v = json_object_get_double(json_object_object_get(o_details, "wind_speed"));
             v *= 3.6;
             inst->details.wind.speed = v;

             if (inst->condition.temp <= 10.0)
               {
                  double t, vpow;
                  t = inst->condition.temp;
                  vpow = pow(inst->details.wind.speed, 0.16);
                  inst->details.wind.chill = (13.12 + (0.6215 * t)) - (11.37 * (vpow)) + ((0.3965 * t) * (vpow));
                  inst->details.wind.can_chill = 1;
               }

             json_object *o_next = json_object_object_get(o_data, "next_1_hours");
             json_object *o_summary = json_object_object_get(o_next, "summary");
             code = json_object_get_string(json_object_object_get(o_summary, "symbol_code"));
             snprintf(inst->condition.code, sizeof(inst->condition.code), "%s", code);
             snprintf(inst->forecast[idx].code, sizeof(inst->condition.code), "%s", code);
          }

        if (tm_data->tm_hour == 8)
          {
             // XXX We need TZ data.
             json_object *o_next = json_object_object_get(o_data, "next_12_hours");
             json_object *o_summary = json_object_object_get(o_next, "summary");
             code = json_object_get_string(json_object_object_get(o_summary, "symbol_code"));
             snprintf(inst->forecast[idx].code, sizeof(inst->condition.code), "%s", code);
          }

        days_prev = days;
     }

   json_object_put(o_root);
   return 1;

error:
   printf("FC: ERROR: Couldn't parse info\n");
   return 0;
}

void
_forecasts_converter(Instance *inst)
{
   int i, dir = -1;

   if ((inst->units.temp == 'F') && (inst->ci->degrees == DEGREES_C))
     {
        dir = DEGREES_C;
        inst->units.temp = 'C';
        snprintf(inst->units.distance, 3, "km");
        snprintf(inst->units.pressure, 3, "mb");
        snprintf(inst->units.speed, 5, "km/h");
     }
   else if ((inst->units.temp == 'C') && (inst->ci->degrees == DEGREES_F))
     {
        dir = DEGREES_F;
        inst->units.temp = 'F';
        snprintf(inst->units.distance, 3, "mi");
        snprintf(inst->units.pressure, 3, "in");
        snprintf(inst->units.speed, 4, "mph");
     }
   if (dir == -1) return;

   _forecasts_convert_degrees(&inst->condition.temp, dir);
   _forecasts_convert_degrees(&inst->details.wind.chill, dir);
   _forecasts_convert_distances(&inst->details.wind.speed, dir);
   _forecasts_convert_pressures(&inst->details.atmosphere.pressure, dir);
   for (i = 0; i < FORECASTS; i++)
     {
        _forecasts_convert_degrees(&inst->forecast[i].low, dir);
        _forecasts_convert_degrees(&inst->forecast[i].high, dir);
     }
}

static void
_forecasts_convert_degrees(int *value, int dir)
{
   if ((dir == DEGREES_C))
     *value = (*value - 32) * 5.0 / 9.0;
   else
     *value = (*value * 9.0 / 5.0) + 32;
}

static void
_forecasts_convert_distances(int *value, int dir)
{
   if ((dir == DEGREES_C))
     *value = (*value) * KM_TO_MI;
   else
     *value = (*value) / KM_TO_MI;
}

static void
_forecasts_convert_pressures(float *value, int dir)
{
   if ((dir == DEGREES_C))
     *value = (*value) * MB_TO_IN;
   else
     *value = (*value) / MB_TO_IN;
}

static void
_forecasts_display_set(Instance *inst, int ok EINA_UNUSED)
{
   char buf[4096];
   char m[4096];

   if (!inst) return;

   snprintf(m, sizeof(m), "%s/forecasts.edj",
            e_module_dir_get(forecasts_config->module));
   snprintf(buf, sizeof(buf), "modules/forecasts/icons/%s", inst->condition.code);
   if (!e_theme_edje_object_set(inst->forecasts->icon_obj,
                                "base/theme/modules/forecasts/icons", buf))
     edje_object_file_set(inst->forecasts->icon_obj, m, buf);
   edje_object_part_swallow(inst->forecasts->forecasts_obj, "icon", inst->forecasts->icon_obj);

   if (!inst->ci->show_text)
     edje_object_signal_emit(inst->forecasts_obj, "e,state,description,hide", "e");
   else
     edje_object_signal_emit(inst->forecasts_obj, "e,state,description,show", "e");

   snprintf(buf, sizeof(buf), "%d°%c", inst->condition.temp, inst->units.temp);
   edje_object_part_text_set(inst->forecasts->forecasts_obj, "e.text.temp", buf);
   edje_object_part_text_set(inst->forecasts->forecasts_obj, "e.text.description",
                             inst->condition.desc);
   edje_object_part_text_set(inst->forecasts->forecasts_obj, "e.text.location", inst->ci->location);

   if (inst->gcc->gadcon->orient == E_GADCON_ORIENT_FLOAT)
     {
        char buf[4096], name[60];
        int i;

        for (i = 0; i < FORECASTS; i++)
          {
             Evas_Object *swallow;

             snprintf(name, sizeof(name), "e.text.day%d.date", i);
             edje_object_part_text_set(inst->forecasts->forecasts_obj, name, inst->forecast[i].date);

             snprintf(name, sizeof(name), "e.text.day%d.description", i);
             edje_object_part_text_set(inst->forecasts->forecasts_obj, name, inst->forecast[i].desc);

             snprintf(name, sizeof(name), "e.text.day%d.high", i);
             snprintf(buf, sizeof(buf), "%d°%c", inst->forecast[i].high, inst->units.temp);
             edje_object_part_text_set(inst->forecasts->forecasts_obj, name, buf);

             snprintf(name, sizeof(name), "e.text.day%d.low", i);
             snprintf(buf, sizeof(buf), "%d°%c", inst->forecast[i].low, inst->units.temp);
             edje_object_part_text_set(inst->forecasts->forecasts_obj, name, buf);

             snprintf(name, sizeof(name), "e.swallow.day%d.icon", i);
             swallow = edje_object_part_swallow_get(inst->forecasts->forecasts_obj, name);
             if (swallow)
               evas_object_del(swallow);
             edje_object_part_swallow(inst->forecasts->forecasts_obj, name,
                                      _forecasts_popup_icon_create(inst->gcc->gadcon->evas, inst->forecast[i].code));
          }
     }

   if (inst->popup) _forecasts_popup_destroy(inst);
   inst->popup = NULL;
}

void
_forecasts_config_updated(Config_Item *ci)
{
   Eina_List *l;
   char buf[4096];

   if (!forecasts_config)
     return;
   for (l = forecasts_config->instances; l; l = l->next)
     {
        Instance *inst;

        inst = l->data;
        if (inst->ci != ci) continue;
        int area_changed = 0;

        if ((!inst->area && inst->ci->location) ||
            (inst->area && strcmp(inst->area, inst->ci->location)))
          area_changed = 1;

        if (inst->area) eina_stringshare_del(inst->area);
        inst->area = eina_stringshare_add(inst->ci->location);
        _forecasts_converter(inst);

        if (inst->popup) _forecasts_popup_destroy(inst);
        inst->popup = NULL;

        snprintf(buf, sizeof(buf), "%d°%c", inst->condition.temp, inst->units.temp);
        edje_object_part_text_set(inst->forecasts->forecasts_obj, "e.text.temp", buf);

        if (!inst->ci->show_text)
          edje_object_signal_emit(inst->forecasts_obj, "e,state,description,hide", "e");
        else
          edje_object_signal_emit(inst->forecasts_obj, "e,state,description,show", "e");

        if (area_changed)
          _forecasts_cb_check(inst);
        if (inst->check_timer) ecore_timer_del(inst->check_timer);
        inst->check_timer =
          ecore_timer_add(inst->ci->poll_time, _forecasts_cb_check,
                          inst);
     }
}

static Evas_Object *
_lb_add(Evas_Object *base, const char *txt)
{
   Evas_Object *lb = elm_label_add(base);
   evas_object_size_hint_weight_set(lb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   elm_object_text_set(lb, txt);
   evas_object_show(lb);

   return lb;
}

static void
_forecasts_popup_content_create(Instance *inst)
{
   Evas_Object *base, *bx, *hbx, *fr, *tb, *lb;
   Evas_Object *rec, *ic, *im;
   char buf[2048], tmp[2048];
   int row = 0;
   Evas_Coord w, h;

   if (!inst->location) return;

   inst->popup = e_gadcon_popup_new(inst->gcc, 0);

   base = e_comp->elm;

   bx = elm_box_add(base);
   evas_object_size_hint_weight_set(bx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(bx, EVAS_HINT_FILL, EVAS_HINT_FILL);
   evas_object_show(bx);

   fr = elm_frame_add(base);
   evas_object_size_hint_weight_set(fr, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(fr, EVAS_HINT_FILL, EVAS_HINT_FILL);
   elm_object_text_set(fr, D_("Current Conditions"));
   evas_object_show(fr);
   elm_box_pack_end(bx, fr);

   tb = elm_table_add(base);
   evas_object_size_hint_weight_set(tb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(tb, EVAS_HINT_FILL, EVAS_HINT_FILL);
   elm_table_align_set(tb, 0.0, 0.0);
   elm_table_padding_set(tb, 2, 2);
   evas_object_show(tb);

   rec = evas_object_rectangle_add(e_comp->evas);
   evas_object_size_hint_min_set(rec, 240, 1);
   elm_table_pack(tb, rec, 0, 0, 2, 1);

   elm_object_content_set(fr, tb);

   ic = _forecasts_popup_icon_create(e_comp->evas,
                                     inst->condition.code);
   edje_object_size_max_get(ic, &w, &h);
   if (w > 160) w = 160;
   if (h > 160) h = 160;
   im = e_widget_image_add_from_object(e_comp->evas, ic, w, h);
   evas_object_show(im);
   elm_table_pack(tb, im, 0, row, 2, 1);

   _timestamp_local(inst->update_time, tmp, sizeof(tmp));
   snprintf(buf, sizeof(buf), D_("<small>Updated: %s</>"), tmp);
   lb = _lb_add(base, buf);
   evas_object_size_hint_align_set(lb, 1.0, 0.0);
   elm_table_pack(tb, lb, 0, row++, 2, 1);

   snprintf(buf, sizeof(buf), "<b>%s</>", inst->location);
   lb = _lb_add(base, buf);
   evas_object_size_hint_align_set(lb, 0.5, 1.0);
   elm_table_pack(tb, lb, 0, row++, 2, 1);

   lb = _lb_add(base, D_("Temperature"));
   elm_table_pack(tb, lb, 0, row, 1, 1);
   snprintf(buf, sizeof(buf), "%d°%c", inst->condition.temp, inst->units.temp);
   lb = _lb_add(base, buf);
   elm_table_pack(tb, lb, 1, row++, 1, 1);

   lb = _lb_add(base, D_("Wind Chill"));
   elm_table_pack(tb, lb, 0, row, 1, 1);
   if (inst->details.wind.can_chill)
     snprintf(buf, sizeof(buf), "%d°%c", inst->details.wind.chill, inst->units.temp);
   else
     snprintf(buf, sizeof(buf), "N/A");
   lb = _lb_add(base, buf);
   elm_table_pack(tb, lb, 1, row++, 1, 1);

   lb = _lb_add(base, D_("Wind Speed"));
   elm_table_pack(tb, lb, 0, row, 1, 1);
   snprintf(buf, sizeof(buf), "%d %s", inst->details.wind.speed, inst->units.speed);
   lb = _lb_add(base, buf);
   elm_table_pack(tb, lb, 1, row++, 1, 1);

   lb = _lb_add(base, D_("Humidity"));
   elm_table_pack(tb, lb, 0, row, 1, 1);
   snprintf(buf, sizeof(buf), "%d %%", inst->details.atmosphere.humidity);
   lb = _lb_add(base, buf);
   elm_table_pack(tb, lb, 1, row++, 1, 1);

   lb = _lb_add(base, D_("Pressure"));
   elm_table_pack(tb, lb, 0, row, 1, 1);
   snprintf(buf, sizeof(buf), "%.2f %s", inst->details.atmosphere.pressure, inst->units.pressure);
   lb = _lb_add(base, buf);
   elm_table_pack(tb, lb, 1, row++, 1, 1);

   hbx = elm_box_add(base);
   evas_object_size_hint_weight_set(hbx, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(hbx, EVAS_HINT_FILL, EVAS_HINT_FILL);
   elm_box_horizontal_set(hbx, 1);
   evas_object_show(hbx);
   elm_box_pack_end(bx, hbx);

   fr = elm_frame_add(base);
   evas_object_size_hint_weight_set(fr, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(fr, EVAS_HINT_FILL, EVAS_HINT_FILL);
   elm_object_text_set(fr, D_("Today"));
   evas_object_show(fr);

   tb = elm_table_add(base);
   evas_object_size_hint_weight_set(tb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(tb, EVAS_HINT_FILL, EVAS_HINT_FILL);
   evas_object_show(tb);
   elm_object_content_set(fr, tb);

   ic = _forecasts_popup_icon_create(e_comp->evas,
                                     inst->forecast[0].code);
   im = e_widget_image_add_from_object(e_comp->evas, ic, 24, 24);
   evas_object_size_hint_weight_set(im, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_show(im);
   elm_table_pack(tb, im, 0, 0, 2, 1);

   lb = _lb_add(base, D_("High"));
   elm_table_pack(tb, lb, 0, 1, 1, 1);
   snprintf(buf, sizeof(buf), "%d°%c", inst->forecast[0].high, inst->units.temp);
   lb = _lb_add(base, buf);
   elm_table_pack(tb, lb, 0, 2, 1, 1);

   lb = _lb_add(base, D_("Low"));
   elm_table_pack(tb, lb, 1, 1, 1, 1);
   snprintf(buf, sizeof(buf), "%d°%c", inst->forecast[0].low, inst->units.temp);
   lb = _lb_add(base, buf);
   elm_table_pack(tb, lb, 1, 2, 1, 1);
   elm_box_pack_end(hbx, fr);

   fr = elm_frame_add(base);
   evas_object_size_hint_weight_set(fr, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(fr, EVAS_HINT_FILL, EVAS_HINT_FILL);
   elm_object_text_set(fr, D_("Tomorrow"));
   evas_object_show(fr);
   elm_box_pack_end(hbx, fr);

   tb = elm_table_add(base);
   evas_object_size_hint_weight_set(tb, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_size_hint_align_set(tb, EVAS_HINT_FILL, EVAS_HINT_FILL);
   evas_object_show(tb);
   elm_object_content_set(fr, tb);

   ic = _forecasts_popup_icon_create(e_comp->evas,
                                     inst->forecast[1].code);
   im = e_widget_image_add_from_object(e_comp->evas, ic, 24, 24);
   evas_object_size_hint_weight_set(im, EVAS_HINT_EXPAND, EVAS_HINT_EXPAND);
   evas_object_show(im);
   elm_table_pack(tb, im, 0, 0, 2, 1);

   lb = _lb_add(base, D_("High"));
   elm_table_pack(tb, lb, 0, 1, 1, 1);
   snprintf(buf, sizeof(buf), "%d°%c", inst->forecast[1].high, inst->units.temp);
   lb = _lb_add(base, buf);
   elm_table_pack(tb, lb, 0, 2, 1, 1);

   lb = _lb_add(base, D_("Low"));
   elm_table_pack(tb, lb, 1, 1, 1, 1);
   snprintf(buf, sizeof(buf), "%d°%c", inst->forecast[1].low, inst->units.temp);
   lb = _lb_add(base, buf);
   elm_table_pack(tb, lb, 1, 2, 1, 1);

   e_gadcon_popup_content_set(inst->popup, bx);
}

static Evas_Object *
_forecasts_popup_icon_create(Evas *evas, const char *code)
{
   char buf[4096];
   char m[4096];
   Evas_Object *o;

   snprintf(m, sizeof(m), "%s/forecasts.edj",
            e_module_dir_get(forecasts_config->module));
   o = edje_object_add(evas);
   snprintf(buf, sizeof(buf), "modules/forecasts/icons/%s", code);
   if (!e_theme_edje_object_set(o, "base/theme/modules/forecasts/icons", buf))
     edje_object_file_set(o, m, buf);

   return o;
}

static void
_forecasts_popup_destroy(Instance *inst)
{
   if (!inst->popup) return;
   e_object_del(E_OBJECT(inst->popup));
}

static void
_cb_mouse_up(void *data, Evas *e EINA_UNUSED, Evas_Object *obj EINA_UNUSED, void *event_info)
{
   Instance *inst = data;
   Evas_Event_Mouse_Up *ev = event_info;

   if (ev->event_flags & EVAS_EVENT_FLAG_ON_HOLD) return;
   if (ev->button == 1)
     {
        if (!inst->popup)
          {
             _forecasts_popup_content_create(inst);
             e_gadcon_popup_show(inst->popup);
             e_gadcon_popup_toggle_pinned(inst->popup);
          }
        else
          {
             _forecasts_popup_destroy(inst);
             inst->popup = NULL;
          }
     }

}