import esphome.codegen as cg
from esphome.components import sensor, uart
import esphome.config_validation as cv
from esphome.const import (
    CONF_APPARENT_POWER,
    CONF_CURRENT,
    CONF_ENERGY,
    CONF_ID,
    CONF_POWER,
    CONF_POWER_FACTOR,
    CONF_REACTIVE_POWER,
    CONF_VOLTAGE,
    DEVICE_CLASS_APPARENT_POWER,
    DEVICE_CLASS_CURRENT,
    DEVICE_CLASS_ENERGY,
    DEVICE_CLASS_POWER,
    DEVICE_CLASS_POWER_FACTOR,
    DEVICE_CLASS_REACTIVE_POWER,
    DEVICE_CLASS_VOLTAGE,
    STATE_CLASS_MEASUREMENT,
    STATE_CLASS_TOTAL_INCREASING,
    UNIT_AMPERE,
    UNIT_VOLT,
    UNIT_VOLT_AMPS,
    UNIT_VOLT_AMPS_REACTIVE,
    UNIT_WATT,
    UNIT_WATT_HOURS,
)

DEPENDENCIES = ["uart"]

cse7766_ns = cg.esphome_ns.namespace("cse7766")
CSE7766Component = cse7766_ns.class_("CSE7766Component", cg.Component, uart.UARTDevice)

CONFIG_SCHEMA = (
    cv.Schema(
        {
            cv.GenerateID(): cv.declare_id(CSE7766Component),
            cv.Optional(CONF_VOLTAGE): sensor.sensor_schema(
                unit_of_measurement=UNIT_VOLT,
                accuracy_decimals=1,
                device_class=DEVICE_CLASS_VOLTAGE,
                state_class=STATE_CLASS_MEASUREMENT,
            ),
            cv.Optional(CONF_CURRENT): sensor.sensor_schema(
                unit_of_measurement=UNIT_AMPERE,
                accuracy_decimals=2,
                device_class=DEVICE_CLASS_CURRENT,
                state_class=STATE_CLASS_MEASUREMENT,
            ),
            cv.Optional(CONF_POWER): sensor.sensor_schema(
                unit_of_measurement=UNIT_WATT,
                accuracy_decimals=1,
                device_class=DEVICE_CLASS_POWER,
                state_class=STATE_CLASS_MEASUREMENT,
            ),
            cv.Optional(CONF_ENERGY): sensor.sensor_schema(
                unit_of_measurement=UNIT_WATT_HOURS,
                accuracy_decimals=3,
                device_class=DEVICE_CLASS_ENERGY,
                state_class=STATE_CLASS_TOTAL_INCREASING,
            ),
            cv.Optional(CONF_APPARENT_POWER): sensor.sensor_schema(
                unit_of_measurement=UNIT_VOLT_AMPS,
                accuracy_decimals=1,
                device_class=DEVICE_CLASS_APPARENT_POWER,
                state_class=STATE_CLASS_MEASUREMENT,
            ),
            cv.Optional(CONF_REACTIVE_POWER): sensor.sensor_schema(
                unit_of_measurement=UNIT_VOLT_AMPS_REACTIVE,
                accuracy_decimals=1,
                device_class=DEVICE_CLASS_REACTIVE_POWER,
                state_class=STATE_CLASS_MEASUREMENT,
            ),
            cv.Optional(CONF_POWER_FACTOR): sensor.sensor_schema(
                accuracy_decimals=2,
                device_class=DEVICE_CLASS_POWER_FACTOR,
                state_class=STATE_CLASS_MEASUREMENT,
            ),
        }
    )
    .extend(uart.UART_DEVICE_SCHEMA)
    .extend(cv.COMPONENT_SCHEMA)
)
FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
    "cse7766", baud_rate=4800, parity="EVEN", require_rx=True
)


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

    if voltage_config := config.get(CONF_VOLTAGE):
        sens = await sensor.new_sensor(voltage_config)
        cg.add(var.set_voltage_sensor(sens))
    if current_config := config.get(CONF_CURRENT):
        sens = await sensor.new_sensor(current_config)
        cg.add(var.set_current_sensor(sens))
    if power_config := config.get(CONF_POWER):
        sens = await sensor.new_sensor(power_config)
        cg.add(var.set_power_sensor(sens))
    if energy_config := config.get(CONF_ENERGY):
        sens = await sensor.new_sensor(energy_config)
        cg.add(var.set_energy_sensor(sens))
    if apparent_power_config := config.get(CONF_APPARENT_POWER):
        sens = await sensor.new_sensor(apparent_power_config)
        cg.add(var.set_apparent_power_sensor(sens))
    if reactive_power_config := config.get(CONF_REACTIVE_POWER):
        sens = await sensor.new_sensor(reactive_power_config)
        cg.add(var.set_reactive_power_sensor(sens))
    if power_factor_config := config.get(CONF_POWER_FACTOR):
        sens = await sensor.new_sensor(power_factor_config)
        cg.add(var.set_power_factor_sensor(sens))
