#include "touch.h"
#include "common/constants.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
// TODO: implement actual touch functionality

TouchHandler::TouchHandler(QueueHandle_t touch_queue) {
  (void)touch_queue;
}

TouchHandler::~TouchHandler() { }

EInkTouchHandler::EInkTouchHandler(QueueHandle_t touch_queue)
  : TouchHandler(touch_queue) { }

EInkTouchHandler::~EInkTouchHandler() { }

void EInkTouchHandler::init(EventGroupHandle_t system_event_group) {
  if (system_event_group != NULL) {
    xEventGroupSetBits(system_event_group, TOUCH_CALIBRATED_BIT);
  }
}

void EInkTouchHandler::start_event_loop() {
  // Minimal background task to represent touch processing
  xTaskCreate(
    // use static adapter and pass `this` as task parameter
    EInkTouchHandler::task_adapter,
    "touch_task",
    2048,
    this,
    tskIDLE_PRIORITY + 1,
    nullptr
  );
}

// static
void EInkTouchHandler::task_adapter(void* arg) {
  EInkTouchHandler* self = static_cast<EInkTouchHandler*>(arg);
  if (self) {
    self->run_event_loop();
  } else {
    printf("EInkTouchHandler::task_adapter received null pointer\n");
  }
  vTaskDelete(NULL);
}

void EInkTouchHandler::run_event_loop() {
  for (;;) {
    vTaskDelay(pdMS_TO_TICKS(1000));
  }
}