text: import esphome.codegen as cg
  import esphome.config_validation as cv
  from esphome import automation
  from esphome.components import cover
  from esphome.const import (
      CONF_CLOSE_ACTION,
      CONF_CLOSE_DURATION,
      CONF_ID,
      CONF_OPEN_ACTION,
      CONF_OPEN_DURATION,
      CONF_STOP_ACTION,
      CONF_ASSUMED_STATE,
  )
  
  time_based_ns = cg.esphome_ns.namespace("time_based")
  TimeBasedCover = time_based_ns.class_("TimeBasedCover", cover.Cover, cg.Component)
  
  CONF_HAS_BUILT_IN_ENDSTOP = "has_built_in_endstop"
  
  CONFIG_SCHEMA = cover.COVER_SCHEMA.extend(
      {
          cv.GenerateID(): cv.declare_id(TimeBasedCover),
          cv.Required(CONF_STOP_ACTION): automation.validate_automation(single=True),
          cv.Required(CONF_OPEN_ACTION): automation.validate_automation(single=True),
          cv.Required(CONF_OPEN_DURATION): cv.positive_time_period_milliseconds,
          cv.Required(CONF_CLOSE_ACTION): automation.validate_automation(single=True),
          cv.Required(CONF_CLOSE_DURATION): cv.positive_time_period_milliseconds,
          cv.Optional(CONF_HAS_BUILT_IN_ENDSTOP, default=False): cv.boolean,
          cv.Optional(CONF_ASSUMED_STATE, default=True): cv.boolean,
      }
  ).extend(cv.COMPONENT_SCHEMA)
  
  
  async def to_code(config):
      var = cg.new_Pvariable(config[CONF_ID])
      await cg.register_component(var, config)
      await cover.register_cover(var, config)
  
      await automation.build_automation(
          var.get_stop_trigger(), [], config[CONF_STOP_ACTION]
      )
  
      cg.add(var.set_open_duration(config[CONF_OPEN_DURATION]))
      await automation.build_automation(
          var.get_open_trigger(), [], config[CONF_OPEN_ACTION]
      )
  
      cg.add(var.set_close_duration(config[CONF_CLOSE_DURATION]))
      await automation.build_automation(
          var.get_close_trigger(), [], config[CONF_CLOSE_ACTION]
      )
  
      cg.add(var.set_has_built_in_endstop(config[CONF_HAS_BUILT_IN_ENDSTOP]))
      cg.add(var.set_assumed_state(config[CONF_ASSUMED_STATE]))
  