import voluptuous as vol

import esphomeyaml.config_validation as cv
from esphomeyaml import pins
from esphomeyaml.components import sensor
from esphomeyaml.const import CONF_COUNT_MODE, CONF_FALLING_EDGE, CONF_INTERNAL_FILTER, \
    CONF_MAKE_ID, CONF_NAME, CONF_PIN, CONF_PULL_MODE, CONF_RISING_EDGE, CONF_UPDATE_INTERVAL, \
    ESP_PLATFORM_ESP32
from esphomeyaml.helpers import App, add, global_ns, variable, Application

ESP_PLATFORMS = [ESP_PLATFORM_ESP32]

GPIO_PULL_MODES = {
    'PULLUP': global_ns.GPIO_PULLUP_ONLY,
    'PULLDOWN': global_ns.GPIO_PULLDOWN_ONLY,
    'PULLUP_PULLDOWN': global_ns.GPIO_PULLUP_PULLDOWN,
    'FLOATING': global_ns.GPIO_FLOATING,
}

GPIO_PULL_MODE_SCHEMA = vol.All(vol.Upper, cv.one_of(*GPIO_PULL_MODES))

COUNT_MODES = {
    'DISABLE': global_ns.PCNT_COUNT_DIS,
    'INCREMENT': global_ns.PCNT_COUNT_INC,
    'DECREMENT': global_ns.PCNT_COUNT_DEC,
}

COUNT_MODE_SCHEMA = vol.All(vol.Upper, cv.one_of(*COUNT_MODES))

PLATFORM_SCHEMA = sensor.PLATFORM_SCHEMA.extend({
    cv.GenerateID('pulse_counter', CONF_MAKE_ID): cv.register_variable_id,
    vol.Required(CONF_PIN): pins.input_pin,
    vol.Optional(CONF_PULL_MODE): GPIO_PULL_MODE_SCHEMA,
    vol.Optional(CONF_COUNT_MODE): vol.Schema({
        vol.Required(CONF_RISING_EDGE): COUNT_MODE_SCHEMA,
        vol.Required(CONF_FALLING_EDGE): COUNT_MODE_SCHEMA,
    }),
    vol.Optional(CONF_INTERNAL_FILTER): vol.All(vol.Coerce(int), vol.Range(min=0, max=1023)),
    vol.Optional(CONF_UPDATE_INTERVAL): cv.positive_time_period_milliseconds,
}).extend(sensor.SENSOR_SCHEMA.schema)

MakePulseCounterSensor = Application.MakePulseCounterSensor


def to_code(config):
    rhs = App.make_pulse_counter_sensor(config[CONF_NAME], config[CONF_PIN],
                                        config.get(CONF_UPDATE_INTERVAL))
    make = variable(MakePulseCounterSensor, config[CONF_MAKE_ID], rhs)
    pcnt = make.Ppcnt
    if CONF_PULL_MODE in config:
        pull_mode = GPIO_PULL_MODES[config[CONF_PULL_MODE]]
        add(pcnt.set_pull_mode(pull_mode))
    if CONF_COUNT_MODE in config:
        count_mode = config[CONF_COUNT_MODE]
        rising_edge = COUNT_MODES[count_mode[CONF_RISING_EDGE]]
        falling_edge = COUNT_MODES[count_mode[CONF_FALLING_EDGE]]
        add(pcnt.set_edge_mode(rising_edge, falling_edge))
    if CONF_INTERNAL_FILTER in config:
        add(pcnt.set_filter(config[CONF_INTERNAL_FILTER]))
    sensor.setup_sensor(make.Ppcnt, make.Pmqtt, config)


BUILD_FLAGS = '-DUSE_PULSE_COUNTER_SENSOR'