#include "ap2_fan.h"
#include "esphome/core/log.h"
#include <algorithm>

namespace esphome {
namespace ap2_hub {

static const char *const TAG = "ap2_hub.fan";

void AP2Fan::control(const fan::FanCall &call) {
  if (this->hub_ == nullptr || !this->hub_->slot_ready(this->slot_)) {
    ESP_LOGD(TAG, "slot %u not ready; command ignored", (unsigned) this->slot_);
    return;  // leave published state unchanged
  }
  bool had_state = call.get_state().has_value();
  bool had_speed = call.get_speed().has_value();
  if (had_state)
    this->state = *call.get_state();
  if (had_speed)
    this->speed = *call.get_speed();

  // A speed-only change (e.g. the web_server slider) of 0 means "off", any
  // other speed means "on" — keeps the slider's 0 position consistent with the
  // on/off toggle. An explicit state in the call always wins.
  if (had_speed && !had_state)
    this->state = this->speed > 0;

  uint8_t gear = this->state ? (uint8_t) std::max(1, this->speed) : 0;
  this->hub_->set_gear(this->slot_, gear);
  this->publish_state();
}

}  // namespace ap2_hub
}  // namespace esphome