import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import i2c, sensor, output
from esphome.const import CONF_ID

DEPENDENCIES = ['i2c']

CONF_I2C_ADDR = 0x09

showcase_component_ns = cg.esphome_ns.namespace('showcase_component')
ShowcaseComponent = showcase_component_ns.class_('ShowcaseComponent', cg.Component, i2c.I2CDevice)

CONFIG_SCHEMA = cv.Schema(
    {
        cv.GenerateID(): cv.declare_id(ShowcaseComponent),

        cv.Required("upper"): cv.use_id(output.FloatOutput),
        cv.Required("lower"): cv.use_id(output.FloatOutput)
    }
).extend(cv.COMPONENT_SCHEMA).extend(i2c.i2c_device_schema(CONF_I2C_ADDR))

def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])

    upper = await cg.get_variable(config["upper"])
    cg.add(var.set_upper(upper))
    lower = await cg.get_variable(config["lower"])
    cg.add(var.set_lower(lower))

    yield cg.register_component(var, config)
    yield i2c.register_i2c_device(var, config)