import esphome.config_validation as cv
import esphome.codegen as cg
from esphome import automation
from esphome.components import i2c, time
from esphome.const import CONF_ID, CONF_INTERVAL


CODEOWNERS = ["@brogon"]
DEPENDENCIES = ["i2c"]
pcf85063_ns = cg.esphome_ns.namespace("pcf85063")
PCF85063Component = pcf85063_ns.class_(
    "PCF85063Component", time.RealTimeClock, i2c.I2CDevice
)
WriteAction = pcf85063_ns.class_("WriteAction", automation.Action)
ReadAction = pcf85063_ns.class_("ReadAction", automation.Action)
StartTimerAction = pcf85063_ns.class_("StartTimerAction", automation.Action)


CONFIG_SCHEMA = time.TIME_SCHEMA.extend(
    {
        cv.GenerateID(): cv.declare_id(PCF85063Component),
    }
).extend(i2c.i2c_device_schema(0x51))


@automation.register_action(
    "pcf85063.write_time",
    WriteAction,
    cv.Schema(
        {
            cv.GenerateID(): cv.use_id(PCF85063Component),
        }
    ),
)
async def pcf85063_write_time_to_code(config, action_id, template_arg, args):
    var = cg.new_Pvariable(action_id, template_arg)
    await cg.register_parented(var, config[CONF_ID])
    return var


@automation.register_action(
    "pcf85063.read_time",
    ReadAction,
    automation.maybe_simple_id(
        {
            cv.GenerateID(): cv.use_id(PCF85063Component),
        }
    ),
)
async def pcf85063_read_time_to_code(config, action_id, template_arg, args):
    var = cg.new_Pvariable(action_id, template_arg)
    await cg.register_parented(var, config[CONF_ID])
    return var


def validate_timer_seconds(value):
    value: cv.TimePeriodSeconds = cv.positive_time_period_seconds(value)
    min_interval = cv.TimePeriod(seconds=1)
    max_interval = cv.TimePeriod(minutes=255)

    if value < min_interval:
        raise cv.Invalid(
            f"This timer interval is not possible, please choose a larger interval (at least {min_interval})"
        )
    if value > max_interval:
        raise cv.Invalid(
            f"This timer interval is not possible, please choose a lower interval (at most {max_interval})"
        )
    return value

@automation.register_action(
    "pcf85063.start_timer",
    StartTimerAction,
    cv.Schema(
        {
            cv.GenerateID(): cv.use_id(PCF85063Component),
            cv.Required(CONF_INTERVAL): cv.templatable(validate_timer_seconds),
        }
    ),
)
async def pcf85063_start_timer_to_code(config, action_id, template_arg, args):
    var = cg.new_Pvariable(action_id, template_arg)

    template_ = await cg.templatable(config[CONF_INTERVAL], args, cv.TimePeriodSeconds)
    cg.add(var.set_timer_seconds(template_))

    await cg.register_parented(var, config[CONF_ID])
    return var

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)
    await time.register_time(var, config)