#include "cell.h"

#include "hero.h"
#include "level.h"

#define UNUSED(expr) (void)(expr);

Cell::Cell(coordinate cell_x, coordinate cell_y, const sf::Color &color) :
    Entity(cell_x, cell_y),
    cell_color(color)
{}

Cell::~Cell()
{}

sf::Color Cell::color() const noexcept
{
    return cell_color;
}

///////////////////////////////////////

PassableCell::PassableCell(coordinate cell_x, coordinate cell_y, const sf::Color &color) :
    Cell(cell_x, cell_y, color)
{}

PassableCell::~PassableCell()
{}

bool PassableCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
{
    UNUSED(hero)
    UNUSED(level)

    // Hero just moves on.
    return true;
}

///////////////////////////////////////

WaterCell::WaterCell(coordinate cell_x, coordinate cell_y, const sf::Color &color) :
    Cell(cell_x, cell_y, color)
{}

WaterCell::~WaterCell()
{}

bool WaterCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
{
    // Try to use one charge to place a bridge
    if (hero->useCharge()) {
        level->placeBridge(pos_x, pos_y);
        return true;
    }

    // If hero doesn't have enough charges, we move Hero back
    return false;
}

///////////////////////////////////////

WallCell::WallCell(coordinate cell_x, coordinate cell_y, const sf::Color &color) :
    Cell(cell_x, cell_y, color)
{}

WallCell::~WallCell()
{}

bool WallCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
{
    UNUSED(hero)
    UNUSED(level)

    // Hero never passes this cell.
    return false;
}

///////////////////////////////////////

ChargeCell::ChargeCell(coordinate cell_x, coordinate cell_y, int has_charges, const sf::Color &color) :
    Cell(cell_x, cell_y, color),
    cell_charges(has_charges)
{}

ChargeCell::~ChargeCell()
{}

bool ChargeCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
{
    // Hero picks up the charge; remove it from the map
    hero->refillCharges(cell_charges);
    level->removeCharge(pos_x, pos_y);

    return true;
}

///////////////////////////////////////

ExitCell::ExitCell(coordinate cell_x, coordinate cell_y, const sf::Color &color) :
    Cell(cell_x, cell_y, color)
{}

ExitCell::~ExitCell()
{}

bool ExitCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
{
    UNUSED(level)

    // Level is over.
    hero->reachExit();
    return true;
}

///////////////////////////////////////

TeleportCell::TeleportCell(coordinate cell_x, coordinate cell_y, coordinate new_cell_x, coordinate new_cell_y, const sf::Color &color) :
    Cell(cell_x, cell_y, color),
    new_x(new_cell_x),
    new_y(new_cell_y)
{}

TeleportCell::~TeleportCell()
{}

bool TeleportCell::onMovingTo(HeroPtr &hero, LevelPtr &level)
{
    UNUSED(level)

    // Hero jumps into teleport!
    hero->setPosition(new_x, new_y);
    return true;
}