#include "../inc/DS_Button.h"

void DS_ButtonInit(DS_Button* Button, GPIO_TypeDef *Port, uint16_t Pin)
{
    Button->Port = Port;
    Button->Pin = Pin;
    Button->Presed = false;
    Button->PresedLong = false;
    Button->PresedLongLong = false;
    Button->Released = false;
    Button->PrevTick = 0;
    Button->PressStartTick = 0;
    Button->PressStartTickLong = 0;
    Button->Storage = 5;

    Button->FallingEdge = false;
    Button->RisingEdge = false;
}

void DS_ButtonUpdate(DS_Button *Button)
{
    uint32_t CurrentTick = HAL_GetTick();
    if ((CurrentTick - Button->PrevTick) < 10)
        return;
    
    Button->PrevTick = CurrentTick;

    GPIO_PinState ButtonState = HAL_GPIO_ReadPin(Button->Port, Button->Pin);

    if (ButtonState == GPIO_PIN_SET)
    {
        if (Button->Storage == 0)
           Button->Storage +=5;
        else if (Button->Storage <= 10)
           Button->Storage +=1;


        if (Button->PressStartTick == 0)
            Button->PressStartTick = CurrentTick;
        else if ((CurrentTick-Button->PressStartTick)>1000)
            Button->PresedLong = true;

        if (Button->PressStartTickLong == 0)
            Button->PressStartTickLong = CurrentTick;
        else if ((CurrentTick-Button->PressStartTickLong)>5000)
            Button->PresedLongLong = true;

        
        
    }
    else
    {
        if (Button->Storage == 10)
            Button->Storage -=5;

        else if (Button->Storage > 0)
            Button->Storage -=1;

        Button->PressStartTick = 0;
        Button->PresedLong = false;

        Button->PressStartTickLong = 0;
        Button->PresedLongLong = false;
    }
    
    switch (Button->Storage)
    {
    case 0:
        if (Button->Released == false)
        {
            Button->FallingEdge = true;
        }
        Button->Presed = false;
        Button->Released = true;
        break;

    case 10:
        if (Button->Presed == false)
        {
            Button->RisingEdge = true;
        }
        Button->Presed = true;
        Button->Released = false;
        break;
    
    default:
        break;
    }

}

bool DS_ButtonPressed(DS_Button *Button)
{
    if (Button->Presed)
    {
        return true;
    }
    return false;
}

bool DS_ButtonReleased(DS_Button *Button)
{
    if (Button->Released)
    {
        return true;
    }
    return false;
}

bool DS_ButtonPressedLong(DS_Button *Button)
{
    if (Button->PresedLong)
    {
        Button->PresedLong = false;
        Button->PressStartTick = Button->PressStartTick + 500;
        return true;
    }
    return false;
}

bool DS_ButtonPressedLongLong(DS_Button *Button)
{
    if (Button->PresedLongLong)
    {
        Button->PressStartTick = 0;
        Button->PresedLongLong = false;
        Button->PressStartTickLong = Button->PressStartTickLong+500;
        return true;
    }
    return false;
}

bool DS_ButtonRisingEdge(DS_Button *Button)
{
    if (Button->RisingEdge)
    {
        Button->RisingEdge = false;
        return true;
    }
    return false;
}

bool DS_ButtonFalingEdge(DS_Button *Button)
{
    if (Button->FallingEdge)
    {
        Button->FallingEdge = false;
        return true;
    }
    
    return false;
}