import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import output
from esphome.const import CONF_ID, CONF_LEVEL
from esphome import automation
from .. import bslamp2_ns, CODEOWNERS, CONF_FRONT_PANEL_HAL_ID, FrontPanelHAL, FRONT_PANEL_LED_OPTIONS

__all__ = ["CODEOWNERS"]

CONF_LEDS = "leds"

DEPENDENCIES = ["xiaomi_bslamp2"]

XiaomiBslamp2FrontPanelOutput = bslamp2_ns.class_("XiaomiBslamp2FrontPanelOutput", output.FloatOutput, cg.Component)
SetLEDsAction = bslamp2_ns.class_("SetLEDsAction", automation.Action)
SetLevelAction = bslamp2_ns.class_("SetLevelAction", automation.Action)
UpdateLEDsAction = bslamp2_ns.class_("UpdateLEDsAction", automation.Action)

CONFIG_SCHEMA = output.FLOAT_OUTPUT_SCHEMA.extend(
    {
        cv.GenerateID(): cv.declare_id(XiaomiBslamp2FrontPanelOutput),
        cv.GenerateID(CONF_FRONT_PANEL_HAL_ID): cv.use_id(FrontPanelHAL),
    }
).extend(cv.COMPONENT_SCHEMA)


def to_code(config):
    var = cg.new_Pvariable(config[CONF_ID])
    yield cg.register_component(var, config)
    yield output.register_output(var, config)

    front_panel_hal_var = yield cg.get_variable(config[CONF_FRONT_PANEL_HAL_ID])
    cg.add(var.set_parent(front_panel_hal_var))


def maybe_simple_level_value(schema):
    def validator(value):
        if isinstance(value, dict):
            return schema(value)
        return schema({"level": value})

    return validator


def maybe_simple_leds_value(schema):
    def validator(value):
        if isinstance(value, dict):
            return schema(value)
        return schema({"leds": value})

    return validator


FRONT_PANEL_SCHEMA = cv.Schema(
    {
        cv.GenerateID(CONF_ID): cv.use_id(XiaomiBslamp2FrontPanelOutput),
    }
)

FRONT_PANEL_LEVEL_SCHEMA = cv.Schema(
    maybe_simple_level_value(
        FRONT_PANEL_SCHEMA.extend(
            {
                cv.Required(CONF_LEVEL): cv.templatable(cv.percentage),
            }
        )
    )
)

FRONT_PANEL_LED_SCHEMA = cv.Schema(
    maybe_simple_leds_value(
        FRONT_PANEL_SCHEMA.extend(
            {
                cv.Required(CONF_LEDS): cv.ensure_list(cv.enum(FRONT_PANEL_LED_OPTIONS, upper=True)),
            }
        )
    )
)


@automation.register_action(
    "front_panel.set_level",
    SetLevelAction,
    FRONT_PANEL_LEVEL_SCHEMA,
    synchronous=True,
)
async def set_level_to_code(config, action_id, template_arg, args):
    output_var = await cg.get_variable(config[CONF_ID])
    action_var = cg.new_Pvariable(action_id, template_arg, output_var)
    template_ = await cg.templatable(config[CONF_LEVEL], args, float)
    cg.add(action_var.set_level(template_))
    return action_var


@automation.register_action(
    "front_panel.set_leds",
    SetLEDsAction,
    FRONT_PANEL_LED_SCHEMA,
    synchronous=True,
)
async def set_leds_to_code(config, action_id, template_arg, args):
    output_var = await cg.get_variable(config[CONF_ID])
    action_var = cg.new_Pvariable(action_id, template_arg, output_var)
    bits = [FRONT_PANEL_LED_OPTIONS["NONE"]] + [FRONT_PANEL_LED_OPTIONS[led] for led in config[CONF_LEDS]]
    value = cg.RawExpression("|".join(map(str, bits)))
    mode_template = await cg.templatable(2, args, cg.int_)
    cg.add(action_var.set_mode(mode_template))
    leds_template = await cg.templatable(value, args, cg.uint16)
    cg.add(action_var.set_leds(leds_template))
    return action_var


@automation.register_action(
    "front_panel.turn_on_leds",
    SetLEDsAction,
    FRONT_PANEL_LED_SCHEMA,
    synchronous=True,
)
async def turn_on_leds_to_code(config, action_id, template_arg, args):
    output_var = await cg.get_variable(config[CONF_ID])
    action_var = cg.new_Pvariable(action_id, template_arg, output_var)
    bits = [FRONT_PANEL_LED_OPTIONS["NONE"]] + [FRONT_PANEL_LED_OPTIONS[led] for led in config[CONF_LEDS]]
    value = cg.RawExpression("|".join(map(str, bits)))
    mode_template = await cg.templatable(1, args, cg.int_)
    cg.add(action_var.set_mode(mode_template))
    leds_template = await cg.templatable(value, args, cg.uint16)
    cg.add(action_var.set_leds(leds_template))
    return action_var


@automation.register_action(
    "front_panel.turn_off_leds",
    SetLEDsAction,
    FRONT_PANEL_LED_SCHEMA,
    synchronous=True,
)
async def turn_off_leds_to_code(config, action_id, template_arg, args):
    output_var = await cg.get_variable(config[CONF_ID])
    action_var = cg.new_Pvariable(action_id, template_arg, output_var)
    bits = [FRONT_PANEL_LED_OPTIONS["NONE"]] + [FRONT_PANEL_LED_OPTIONS[led] for led in config[CONF_LEDS]]
    value = cg.RawExpression("|".join(map(str, bits)))
    mode_template = await cg.templatable(0, args, cg.int_)
    cg.add(action_var.set_mode(mode_template))
    leds_template = await cg.templatable(value, args, cg.uint16)
    cg.add(action_var.set_leds(leds_template))
    return action_var


@automation.register_action(
    "front_panel.update_leds",
    UpdateLEDsAction,
    FRONT_PANEL_SCHEMA,
    synchronous=True,
)
async def update_leds_to_code(config, action_id, template_arg, args):
    output_var = await cg.get_variable(config[CONF_ID])
    action_var = cg.new_Pvariable(action_id, template_arg, output_var)
    return action_var