import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import climate
from esphome.const import CONF_ID, CONF_LAMBDA
from .. import custom_ns

CustomClimateConstructor = custom_ns.class_('CustomClimateConstructor')
CONF_CLIMATES = 'climates'

CONFIG_SCHEMA = cv.Schema({
    cv.GenerateID(): cv.declare_id(CustomClimateConstructor),
    cv.Required(CONF_LAMBDA): cv.returning_lambda,
    cv.Required(CONF_CLIMATES): cv.ensure_list(climate.CLIMATE_SCHEMA),
})


def to_code(config):
    template_ = yield cg.process_lambda(
        config[CONF_LAMBDA], [],
        return_type=cg.std_vector.template(climate.Climate.operator('ptr')))

    rhs = CustomClimateConstructor(template_)
    custom = cg.variable(config[CONF_ID], rhs)
    for i, conf in enumerate(config[CONF_CLIMATES]):
        rhs = custom.Pget_climate(i)
        yield climate.register_climate(rhs, conf)