import esphome.codegen as cg
import esphome.config_validation as cv
from esphome import pins
from esphome.components import spi
from esphome.const import (
    CONF_ID
)

CONF_DRDY_PIN = "drdy_pin"
CONF_REFERENCE_VOLTAGE = "reference_voltage"

DEPENDENCIES = ["spi"]
ads131m08_ns = cg.esphome_ns.namespace("ads131m08")
ADS131M08Hub = ads131m08_ns.class_("ADS131M08Hub", cg.Component, spi.SPIDevice)

CONFIG_SCHEMA = cv.Schema({
    cv.GenerateID(): cv.declare_id(ADS131M08Hub),
    cv.Required(CONF_DRDY_PIN): pins.internal_gpio_input_pin_schema,
    cv.Optional(CONF_REFERENCE_VOLTAGE, default=1.2): cv.float_range(min=1.1, max=1.3),
}).extend(cv.COMPONENT_SCHEMA).extend(spi.spi_device_schema(cs_pin_required=True))

async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await spi.register_spi_device(var, config)
    drdy = await cg.gpio_pin_expression(config[CONF_DRDY_PIN])
    reference_voltage = config[CONF_REFERENCE_VOLTAGE]
    cg.add(var.set_reference_voltage(reference_voltage))
    cg.add(var.set_drdy_pin(drdy))