import esphome.codegen as cg
from esphome.components import i2c, sensor
import esphome.config_validation as cv
from esphome.const import (
    CONF_ID,
    CONF_OVERSAMPLING,
    CONF_PRESSURE,
    CONF_TEMPERATURE,
    DEVICE_CLASS_PRESSURE,
    DEVICE_CLASS_TEMPERATURE,
    STATE_CLASS_MEASUREMENT,
    UNIT_CELSIUS,
    UNIT_PASCAL,
)

DEPENDENCIES = ["i2c"]
CODEOWNERS = ["@gcormier"]

CONF_K_VALUE = "k_value"

xgzp68xx_ns = cg.esphome_ns.namespace("xgzp68xx")
XGZP68XXOversampling = xgzp68xx_ns.enum("XGZP68XXOversampling")
OVERSAMPLING_OPTIONS = {
    "256X": XGZP68XXOversampling.XGZP68XX_OVERSAMPLING_256X,
    "512X": XGZP68XXOversampling.XGZP68XX_OVERSAMPLING_512X,
    "1024X": XGZP68XXOversampling.XGZP68XX_OVERSAMPLING_1024X,
    "2048X": XGZP68XXOversampling.XGZP68XX_OVERSAMPLING_2048X,
    "4096X": XGZP68XXOversampling.XGZP68XX_OVERSAMPLING_4096X,
    "8192X": XGZP68XXOversampling.XGZP68XX_OVERSAMPLING_8192X,
    "16384X": XGZP68XXOversampling.XGZP68XX_OVERSAMPLING_16384X,
    "32768X": XGZP68XXOversampling.XGZP68XX_OVERSAMPLING_32768X,
}
XGZP68XXComponent = xgzp68xx_ns.class_(
    "XGZP68XXComponent", cg.PollingComponent, i2c.I2CDevice
)

CONFIG_SCHEMA = (
    cv.Schema(
        {
            cv.GenerateID(): cv.declare_id(XGZP68XXComponent),
            cv.Optional(CONF_PRESSURE): sensor.sensor_schema(
                unit_of_measurement=UNIT_PASCAL,
                accuracy_decimals=1,
                device_class=DEVICE_CLASS_PRESSURE,
                state_class=STATE_CLASS_MEASUREMENT,
            ).extend(
                {
                    cv.Optional(CONF_OVERSAMPLING, default="4096X"): cv.enum(
                        OVERSAMPLING_OPTIONS, upper=True
                    ),
                }
            ),
            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_K_VALUE, default=4096): cv.uint16_t,
        }
    )
    .extend(cv.polling_component_schema("60s"))
    .extend(i2c.i2c_device_schema(0x6D))
)


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

    if pressure_config := config.get(CONF_PRESSURE):
        sens = await sensor.new_sensor(pressure_config)
        cg.add(var.set_pressure_sensor(sens))
        cg.add(var.set_pressure_oversampling(pressure_config[CONF_OVERSAMPLING]))

    cg.add(var.set_k_value(config[CONF_K_VALUE]))
