import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import output
from esphome.const import CONF_CHANNEL, CONF_ID
from . import PCA9685Output, pca9685_ns

DEPENDENCIES = ['pca9685']

PCA9685Channel = pca9685_ns.class_('PCA9685Channel', output.FloatOutput)
CONF_PCA9685_ID = 'pca9685_id'

CONFIG_SCHEMA = output.FLOAT_OUTPUT_SCHEMA.extend({
    cv.Required(CONF_ID): cv.declare_id(PCA9685Channel),
    cv.GenerateID(CONF_PCA9685_ID): cv.use_id(PCA9685Output),

    cv.Required(CONF_CHANNEL): cv.int_range(min=0, max=15),
})


def to_code(config):
    paren = yield cg.get_variable(config[CONF_PCA9685_ID])
    rhs = paren.create_channel(config[CONF_CHANNEL])
    var = cg.Pvariable(config[CONF_ID], rhs)
    yield output.register_output(var, config)