import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import light, output
from esphome.const import (
    CONF_OUTPUT_ID,
    CONF_COLD_WHITE,
    CONF_WARM_WHITE,
    CONF_COLD_WHITE_COLOR_TEMPERATURE,
    CONF_WARM_WHITE_COLOR_TEMPERATURE,
)

cwww_ns = cg.esphome_ns.namespace("cwww")
CWWWLightOutput = cwww_ns.class_("CWWWLightOutput", light.LightOutput)

CONF_CONSTANT_BRIGHTNESS = "constant_brightness"

CONFIG_SCHEMA = light.RGB_LIGHT_SCHEMA.extend(
    {
        cv.GenerateID(CONF_OUTPUT_ID): cv.declare_id(CWWWLightOutput),
        cv.Required(CONF_COLD_WHITE): cv.use_id(output.FloatOutput),
        cv.Required(CONF_WARM_WHITE): cv.use_id(output.FloatOutput),
        cv.Required(CONF_COLD_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
        cv.Required(CONF_WARM_WHITE_COLOR_TEMPERATURE): cv.color_temperature,
        cv.Optional(CONF_CONSTANT_BRIGHTNESS, default=False): cv.boolean,
    }
)


def to_code(config):
    var = cg.new_Pvariable(config[CONF_OUTPUT_ID])
    yield light.register_light(var, config)
    cwhite = yield cg.get_variable(config[CONF_COLD_WHITE])
    cg.add(var.set_cold_white(cwhite))
    cg.add(var.set_cold_white_temperature(config[CONF_COLD_WHITE_COLOR_TEMPERATURE]))

    wwhite = yield cg.get_variable(config[CONF_WARM_WHITE])
    cg.add(var.set_warm_white(wwhite))
    cg.add(var.set_warm_white_temperature(config[CONF_WARM_WHITE_COLOR_TEMPERATURE]))
    cg.add(var.set_constant_brightness(config[CONF_CONSTANT_BRIGHTNESS]))