import obspython as obs
import datetime

interval    = 10
source_name = ""

# ------------------------------------------------------------

def update_text():
    global interval
    global source_name

    source = obs.obs_get_source_by_name(source_name)
    if source is not None:
        now = datetime.datetime.now()
        settings = obs.obs_data_create()
        obs.obs_data_set_string(settings, "text", now.strftime("%Y-%m-%d %I:%M %p"))
        obs.obs_source_update(source, settings)
        obs.obs_data_release(settings)
        obs.obs_source_release(source)

def refresh_pressed(props, prop):
    update_text()

# ------------------------------------------------------------

def script_description():
    return "Updates a text source to the current date and time"

def script_defaults(settings):
    obs.obs_data_set_default_int(settings, "interval", 10)
    obs.obs_data_set_default_string(settings, "source", "")

def script_properties():
    props = obs.obs_properties_create()

    obs.obs_properties_add_int(props, "interval", "Update Interval (seconds)", 1, 3600, 1)

    p = obs.obs_properties_add_list(props, "source", "Text Source", obs.OBS_COMBO_TYPE_EDITABLE, obs.OBS_COMBO_FORMAT_STRING)
    sources = obs.obs_enum_sources()
    if sources is not None:
        for source in sources:
            source_id = obs.obs_source_get_id(source)
            if source_id == "text_gdiplus" or source_id == "text_ft2_source":
                name = obs.obs_source_get_name(source)
                obs.obs_property_list_add_string(p, name, name)

        obs.source_list_release(sources)

    obs.obs_properties_add_button(props, "button", "Refresh", refresh_pressed)
    return props

def script_update(settings):
    global interval
    global source_name

    interval    = obs.obs_data_get_int(settings, "interval")
    source_name = obs.obs_data_get_string(settings, "source")

    obs.timer_remove(update_text)
    
    if source_name != "":
        obs.timer_add(update_text, interval * 1000)