import esphome.codegen as cg
from esphome.components import i2c, sensor
import esphome.config_validation as cv
from esphome.const import (
    CONF_CO2,
    CONF_ID,
    CONF_PRESSURE,
    CONF_TEMPERATURE,
    DEVICE_CLASS_PRESSURE,
    DEVICE_CLASS_TEMPERATURE,
    ICON_MOLECULE_CO2,
    STATE_CLASS_MEASUREMENT,
    UNIT_CELSIUS,
    UNIT_HECTOPASCAL,
    UNIT_PARTS_PER_MILLION,
)

CODEOWNERS = ["@Stock-M"]

DEPENDENCIES = ["i2c"]

ee895_ns = cg.esphome_ns.namespace("ee895")
EE895Component = ee895_ns.class_("EE895Component", cg.PollingComponent, i2c.I2CDevice)

CONFIG_SCHEMA = (
    cv.Schema(
        {
            cv.GenerateID(): cv.declare_id(EE895Component),
            cv.Optional(CONF_TEMPERATURE): sensor.sensor_schema(
                unit_of_measurement=UNIT_CELSIUS,
                accuracy_decimals=1,
                device_class=DEVICE_CLASS_TEMPERATURE,
                state_class=STATE_CLASS_MEASUREMENT,
            ),
            cv.Optional(CONF_CO2): sensor.sensor_schema(
                unit_of_measurement=UNIT_PARTS_PER_MILLION,
                icon=ICON_MOLECULE_CO2,
                accuracy_decimals=0,
                state_class=STATE_CLASS_MEASUREMENT,
            ),
            cv.Optional(CONF_PRESSURE): sensor.sensor_schema(
                unit_of_measurement=UNIT_HECTOPASCAL,
                accuracy_decimals=1,
                device_class=DEVICE_CLASS_PRESSURE,
                state_class=STATE_CLASS_MEASUREMENT,
            ),
        }
    )
    .extend(cv.polling_component_schema("60s"))
    .extend(i2c.i2c_device_schema(0x5F))
)


async def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    await cg.register_component(var, config)
    await i2c.register_i2c_device(var, config)

    if temperature := config.get(CONF_TEMPERATURE):
        sens = await sensor.new_sensor(temperature)
        cg.add(var.set_temperature_sensor(sens))

    if co2 := config.get(CONF_CO2):
        sens = await sensor.new_sensor(co2)
        cg.add(var.set_co2_sensor(sens))

    if pressure := config.get(CONF_PRESSURE):
        sens = await sensor.new_sensor(pressure)
        cg.add(var.set_pressure_sensor(sens))