#include "blocks.hpp"
#include "global_vars.hpp"
#include "objectids.hpp"
#include "sprites.hpp"
#include "editor_visitor.hpp"
#include <unordered_map>
#include "mario_visitor.hpp"

#define CAN_BE_DESTROYED_FLAG 0x0000000000000001
#define HAS_COLLISION         0x0000000000000002

MarioBlock::MarioBlock( int x, int y,
                        std::shared_ptr< SDLPP::Renderer > renderer,
                        std::shared_ptr< SDLPP::Texture > texture,
                        SDL_Rect src, bool can_be_destroyed, bool destructible )
        : RectangleRender( x * BLOCK_SIZE, 1 - ( 16 - y ) * BLOCK_SIZE,
                           BLOCK_SIZE, BLOCK_SIZE, renderer, texture, src ) {
            _can_be_destroyed = can_be_destroyed;
            _destructible = can_be_destroyed && destructible;
            setMovementSpeed(1);
}
void MarioBlock::visit( SDLPP::Visitor &visitor ) {
#ifdef EDITOR
    if ( !_tool && _terrain &&
         visitor.getVisitorType() == VisitorType::Terrain ) {
        destroy();
    }
    if ( !_tool && !_terrain &&
         visitor.getVisitorType() == VisitorType::Modifier ) {
        destroy();
    }
#else
    if(visitor.getFromId() == MARIO_TOP_DETECT && dynamic_cast<MarioVisitor&>(visitor).canDestroy()) {
        // TODO if big mario and _can_be_destroyed
        if( _destructible ) {
            destroy();
        } else {
            BounceVisitor bv;
            bv.setVisitorType(VisitorType::Terrain);

            setPos(getPos() - SDLPP::Vec2D<double>(0, BLOCK_SIZE));
            if(getCollisions().size() < 2)
                addCollision(SDLPP::RectColider(0.1, 0.1, 0.8, 0.8, 69));
            updateSizeAndPosition();
            g_playground->visitCollisions(*this, bv);
            setPos(getPos() + SDLPP::Vec2D<double>(0, BLOCK_SIZE));
            updateSizeAndPosition();
            if(bv.canBounce())
                bounce();
        }
    }
#endif
    visitor.visit( *this );
}
void MarioBlock::setTool( bool tool ) {
    _tool = tool;
}
void MarioBlock::setTerrain( bool terrain ) {
    _terrain = terrain;
}

void MarioBlock::bounce() {
    if(_bouncing)
        return;
    _bouncing = true;
    og_pos = getPos();
    setMovement(0, -0.5);
}

void MarioBlock::custom_move(int ticks) {
    if(!_bouncing)
        return;
    if(getMovement().getY() < 0) {
        ticks_to_bounce -= ticks;
        if(ticks_to_bounce < 0) {
            setMovement(0, 0.5);
            ticks_to_bounce = bounce_ticks;
        }
    } else {
        if(getPos().getY() >= og_pos.getY()) {
            setMovement(0, 0);
            setPos(getPos().getX(), og_pos.getY());
            _bouncing = false;
        }
    }
}

void MarioBlock::setType(LandType::Value type) {
    _type = type;
}
LandType::Value MarioBlock::getType() const {
    return _type;
}

const std::vector< uint64_t > possibleBlocks = {
    FLOOR_ID,
    STEP_ID,
    HILL_TOP_ID,
    HILL_DOTS_LEFT_ID,
    HILL_FILL_ID,
    HILL_INCLINE_ID,
    HILL_DOTS_RIGHT_ID,
    HILL_DECLINE_ID,
    CLOUD_LEFT_TOP_ID,
    CLOUD_MIDDLE_TOP_ID,
    CLOUD_RIGHT_TOP_ID,
    VINE_TOP_ID,
    CLOUD_LEFT_BOTTOM_ID,
    CLOUD_MIDDLE_BOTTOM_ID,
    CLOUD_RIGHT_BOTTOM_ID,
    VINE_BOTTOM_ID,
    BRICK_TOP_ID,
    BRICK_ID,
    FLAG_ID,
    WATER_TOP_ID,
    BUSH_LEFT_ID,
    BUSH_MIDDLE_ID,
    BUSH_RIGHT_ID,
    WATER_FILL_ID,
    PIPE_LEFT_TOP_ID,
    PIPE_RIGHT_TOP_ID,
    CASTLE_TOWER_ID,
    CASTLE_TOWER_FILLED_ID,
    PIPE_LEFT_BOTTOM_ID,
    PIPE_RIGHT_BOTTOM_ID,
    CASTLE_LEFT_ID,
    CASTLE_RIGHT_ID,
    POLE_TOP_ID,
    CASTLE_ENTRY_ID,
    SIDEWAY_PIPE_END_TOP_ID,
    SIDEWAY_PIPE_MIDDLE_TOP_ID,
    POLE_BOTTOM_ID,
    CASTLE_BLACK_ID,
    SIDEWAY_PIPE_END_BOTTOM_ID,
    SIDEWAY_PIPE_MIDDLE_BOTTOM_ID,
    SIDEWAY_PIPE_CONNECTOR_TOP_ID,
    TREE_PLATFORM_TOP_LEFT_ID,
    TREE_PLATFORM_TOP_MIDDLE_ID,
    TREE_PLATFORM_TOP_RIGHT_ID,
    SIDEWAY_PIPE_CONNECTOR_BOTTOM_ID,
    MUSHROOM_PLATFORM_TOP_LEFT_ID,
    MUSHROOM_PLATFORM_TOP_MIDDLE_ID,
    MUSHROOM_PLATFORM_TOP_RIGHT_ID,
    TREE_PLATFORM_BARK_ID,
    MUSHROOM_PLATFORM_BARK_TOP_ID,
    TREE_LEAVES_TOP_ID,
    TREE_LEAVES_SMALL_ID,
    CANNON_TOWER_ID,
    MUSHROOM_PLATFORM_BARK_BOTTOM_ID,
    TREE_LEAVES_BOTTOM_ID,
    TREE_BARK_ID,
    CANNON_PEDESTAL_ID,
    CANNON_ID,
};

const std::vector< uint64_t > possibleMods = {
    DESTRUCTIBLE_MODIFIER_ID,
    BACKGROUND_MODIFIER_ID,
};

const std::vector< uint64_t > possibleCharacters = {
    MARIO_ID,
};

const std::vector< LandType::Value > possibleLands = {
    LandType::OVERWORLD,
    LandType::UNDERWORLD,
    LandType::WATER,
    LandType::BOWSER
};

const std::unordered_map< uint64_t, const SDL_Rect * > block_mapping = {
    { FLOOR_ID, &FLOOR_SRC },
    { HILL_INCLINE_ID, &HILL_INCLINE_SRC },
    { HILL_DECLINE_ID, &HILL_DECLINE_SRC },
    { HILL_DOTS_RIGHT_ID, &HILL_DOTS_RIGHT_SRC },
    { HILL_DOTS_LEFT_ID, &HILL_DOTS_LEFT_SRC },
    { HILL_FILL_ID, &HILL_FILL_SRC },
    { HILL_TOP_ID, &HILL_TOP_SRC },
    { BUSH_LEFT_ID, &BUSH_LEFT_SRC },
    { BUSH_MIDDLE_ID, &BUSH_MIDDLE_SRC },
    { BUSH_RIGHT_ID, &BUSH_RIGHT_SRC },
    { CLOUD_LEFT_BOTTOM_ID, &CLOUD_LEFT_BOTTOM_SRC },
    { CLOUD_MIDDLE_BOTTOM_ID, &CLOUD_MIDDLE_BOTTOM_SRC },
    { CLOUD_RIGHT_BOTTOM_ID, &CLOUD_RIGHT_BOTTOM_SRC },
    { CLOUD_LEFT_TOP_ID, &CLOUD_LEFT_TOP_SRC },
    { CLOUD_MIDDLE_TOP_ID, &CLOUD_MIDDLE_TOP_SRC },
    { CLOUD_RIGHT_TOP_ID, &CLOUD_RIGHT_TOP_SRC },
    { PIPE_LEFT_BOTTOM_ID, &PIPE_LEFT_BOTTOM_SRC },
    { PIPE_LEFT_TOP_ID, &PIPE_LEFT_TOP_SRC },
    { PIPE_RIGHT_BOTTOM_ID, &PIPE_RIGHT_BOTTOM_SRC },
    { PIPE_RIGHT_TOP_ID, &PIPE_RIGHT_TOP_SRC },
    { CASTLE_LEFT_ID, &CASTLE_LEFT_SRC },
    { CASTLE_RIGHT_ID, &CASTLE_RIGHT_SRC },
    { CASTLE_BLACK_ID, &CASTLE_BLACK_SRC },
    { CASTLE_ENTRY_ID, &CASTLE_ENTRY_SRC },
    { CASTLE_TOWER_ID, &CASTLE_TOWER_SRC },
    { CASTLE_TOWER_FILLED_ID, &CASTLE_TOWER_FILLED_SRC },
    { VINE_TOP_ID, &VINE_TOP_SRC },
    { VINE_BOTTOM_ID, &VINE_BOTTOM_SRC },
    { POLE_TOP_ID, &POLE_TOP_SRC },
    { POLE_BOTTOM_ID, &POLE_BOTTOM_SRC },
    { FLAG_ID, &FLAG_SRC },
    { STEP_ID, &STEP_SRC },
    { BRICK_ID, &BRICK_SRC },
    { BRICK_TOP_ID, &BRICK_TOP_SRC },
    { SIDEWAY_PIPE_END_TOP_ID, &SIDEWAY_PIPE_END_TOP_SRC },
    { SIDEWAY_PIPE_END_BOTTOM_ID, &SIDEWAY_PIPE_END_BOTTOM_SRC },
    { SIDEWAY_PIPE_MIDDLE_TOP_ID, &SIDEWAY_PIPE_MIDDLE_TOP_SRC },
    { SIDEWAY_PIPE_MIDDLE_BOTTOM_ID, &SIDEWAY_PIPE_MIDDLE_BOTTOM_SRC },
    { SIDEWAY_PIPE_CONNECTOR_TOP_ID, &SIDEWAY_PIPE_CONNECTOR_TOP_SRC },
    { SIDEWAY_PIPE_CONNECTOR_BOTTOM_ID, &SIDEWAY_PIPE_CONNECTOR_BOTTOM_SRC },
    { TREE_PLATFORM_TOP_LEFT_ID, &TREE_PLATFORM_TOP_LEFT_SRC },
    { TREE_PLATFORM_TOP_MIDDLE_ID, &TREE_PLATFORM_TOP_MIDDLE_SRC },
    { TREE_PLATFORM_TOP_RIGHT_ID, &TREE_PLATFORM_TOP_RIGHT_SRC },
    { TREE_PLATFORM_BARK_ID, &TREE_PLATFORM_BARK_SRC },
    { WATER_TOP_ID, &WATER_TOP_SRC },
    { WATER_FILL_ID, &WATER_FILL_SRC },
    { MUSHROOM_PLATFORM_TOP_LEFT_ID, &MUSHROOM_PLATFORM_TOP_LEFT_SRC },
    { MUSHROOM_PLATFORM_TOP_MIDDLE_ID, &MUSHROOM_PLATFORM_TOP_MIDDLE_SRC },
    { MUSHROOM_PLATFORM_TOP_RIGHT_ID, &MUSHROOM_PLATFORM_TOP_RIGHT_SRC },
    { MUSHROOM_PLATFORM_BARK_TOP_ID, &MUSHROOM_PLATFORM_BARK_TOP_SRC },
    { MUSHROOM_PLATFORM_BARK_BOTTOM_ID, &MUSHROOM_PLATFORM_BARK_BOTTOM_SRC },
    { TREE_BARK_ID, &TREE_BARK_SRC },
    { TREE_LEAVES_SMALL_ID, &TREE_LEAVES_SMALL_SRC },
    { TREE_LEAVES_TOP_ID, &TREE_LEAVES_TOP_SRC },
    { TREE_LEAVES_BOTTOM_ID, &TREE_LEAVES_BOTTOM_SRC },
    { CANNON_TOWER_ID, &CANNON_TOWER_SRC },
    { CANNON_PEDESTAL_ID, &CANNON_PEDESTAL_SRC },
    { CANNON_ID, &CANNON_SRC },
    { MARIO_ID, &MARIO_STANDING_SRC },
    { DESTRUCTIBLE_MODIFIER_ID, &DESTRUCTIBLE_SRC },
    { BACKGROUND_MODIFIER_ID, &BACKGROUND_SRC },
};

const std::unordered_map< uint64_t, uint64_t > block_flags = {
    { FLOOR_ID, CAN_BE_DESTROYED_FLAG | HAS_COLLISION },
    { HILL_INCLINE_ID, 0 },
    { HILL_DECLINE_ID, 0 },
    { HILL_DOTS_RIGHT_ID, 0 },
    { HILL_DOTS_LEFT_ID, 0 },
    { HILL_FILL_ID, 0 },
    { HILL_TOP_ID, 0 },
    { BUSH_LEFT_ID, 0 },
    { BUSH_MIDDLE_ID, 0 },
    { BUSH_RIGHT_ID, 0 },
    { CLOUD_LEFT_BOTTOM_ID, 0 },
    { CLOUD_MIDDLE_BOTTOM_ID, 0 },
    { CLOUD_RIGHT_BOTTOM_ID, 0 },
    { CLOUD_LEFT_TOP_ID, 0 },
    { CLOUD_MIDDLE_TOP_ID, 0 },
    { CLOUD_RIGHT_TOP_ID, 0 },
    { PIPE_LEFT_BOTTOM_ID, HAS_COLLISION },
    { PIPE_LEFT_TOP_ID, HAS_COLLISION },
    { PIPE_RIGHT_BOTTOM_ID, HAS_COLLISION },
    { PIPE_RIGHT_TOP_ID, HAS_COLLISION },
    { CASTLE_LEFT_ID, 0 },
    { CASTLE_RIGHT_ID, 0 },
    { CASTLE_BLACK_ID, 0 },
    { CASTLE_ENTRY_ID, 0 },
    { CASTLE_TOWER_ID, 0 },
    { CASTLE_TOWER_FILLED_ID, 0 },
    { VINE_TOP_ID, HAS_COLLISION },
    { VINE_BOTTOM_ID, HAS_COLLISION },
    { POLE_TOP_ID, HAS_COLLISION },
    { POLE_BOTTOM_ID, HAS_COLLISION },
    { FLAG_ID, 0 },
    { STEP_ID, CAN_BE_DESTROYED_FLAG | HAS_COLLISION },
    { BRICK_ID, CAN_BE_DESTROYED_FLAG | HAS_COLLISION },
    { BRICK_TOP_ID, CAN_BE_DESTROYED_FLAG | HAS_COLLISION },
    { SIDEWAY_PIPE_END_TOP_ID, HAS_COLLISION },
    { SIDEWAY_PIPE_END_BOTTOM_ID, HAS_COLLISION },
    { SIDEWAY_PIPE_MIDDLE_TOP_ID, HAS_COLLISION },
    { SIDEWAY_PIPE_MIDDLE_BOTTOM_ID, HAS_COLLISION },
    { SIDEWAY_PIPE_CONNECTOR_TOP_ID, HAS_COLLISION },
    { SIDEWAY_PIPE_CONNECTOR_BOTTOM_ID, HAS_COLLISION },
    { TREE_PLATFORM_TOP_LEFT_ID, HAS_COLLISION },
    { TREE_PLATFORM_TOP_MIDDLE_ID, HAS_COLLISION },
    { TREE_PLATFORM_TOP_RIGHT_ID, HAS_COLLISION },
    { TREE_PLATFORM_BARK_ID, HAS_COLLISION },
    { WATER_TOP_ID, HAS_COLLISION },
    { WATER_FILL_ID, HAS_COLLISION },
    { MUSHROOM_PLATFORM_TOP_LEFT_ID, HAS_COLLISION },
    { MUSHROOM_PLATFORM_TOP_MIDDLE_ID, HAS_COLLISION },
    { MUSHROOM_PLATFORM_TOP_RIGHT_ID, HAS_COLLISION },
    { MUSHROOM_PLATFORM_BARK_TOP_ID, HAS_COLLISION },
    { MUSHROOM_PLATFORM_BARK_BOTTOM_ID, HAS_COLLISION },
    { TREE_BARK_ID, HAS_COLLISION },
    { TREE_LEAVES_SMALL_ID, HAS_COLLISION },
    { TREE_LEAVES_TOP_ID, HAS_COLLISION },
    { TREE_LEAVES_BOTTOM_ID, HAS_COLLISION },
    { CANNON_TOWER_ID, HAS_COLLISION },
    { CANNON_PEDESTAL_ID, HAS_COLLISION },
    { CANNON_ID, HAS_COLLISION },
    { MARIO_ID, 0 },
    { DESTRUCTIBLE_MODIFIER_ID, 0 },
    { BACKGROUND_MODIFIER_ID, 0 },
};

bool blockCanBeDestroyed(uint64_t id) {
    auto it = block_flags.find(id);
    if(it == block_flags.end())
        return false;
    return it->second & CAN_BE_DESTROYED_FLAG;
}

bool blockHasCollision(uint64_t id) {
    auto it = block_flags.find(id);
    if(it == block_flags.end()) {
        return false;
    }
    return it->second & HAS_COLLISION;
}

std::shared_ptr< SDLPP::RectangleRender >
createBlock( std::shared_ptr< SDLPP::Renderer > &renderer, int x, int y,
             std::shared_ptr< SDLPP::Texture > &texture, const SDL_Rect &src,
             uint64_t id, LandType::Value land_type, bool destructible, bool editor ) {
    auto can_destroy = blockCanBeDestroyed(id);
    auto collision = blockHasCollision(id);
    if(editor) {
        collision = true;
    }
    auto block = std::make_shared< MarioBlock >( x, y, renderer, texture, src, can_destroy, destructible );
    block->setId( id );
    block->setAlignment( SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER );
    block->setStatic();
    block->setType(land_type);
    if ( collision ) {
        block->addCollision( SDLPP::RectColider( 0, 0, 1, 1 ) );
    }
    return block;
}

SDL_Rect getSourceRectByID( uint64_t id, LandType::Value type ) {
    auto mapping = block_mapping.find( id );
    if ( mapping == block_mapping.end() )
        return {};
    SDL_Rect ret_src = *mapping->second;
    switch ( type ) {
    case LandType::OVERWORLD:
        ret_src.x += OVERWORLD_SHIFT.getX();
        ret_src.y += OVERWORLD_SHIFT.getY();
        break;
    case LandType::UNDERWORLD:
        ret_src.x += UNDERWORLD_SHIFT.getX();
        ret_src.y += UNDERWORLD_SHIFT.getY();
        break;
    case LandType::WATER:
        ret_src.x += WATER_SHIFT.getX();
        ret_src.y += WATER_SHIFT.getY();
        break;
    case LandType::BOWSER:
        ret_src.x += BOWSER_SHIFT.getX();
        ret_src.y += BOWSER_SHIFT.getY();
        break;
    }
    return ret_src;
}
std::shared_ptr< SDLPP::RectangleRender >
createTerrainBlock( uint64_t block_id, LandType::Value type,
                    std::shared_ptr< SDLPP::Renderer > &renderer, int x, int y,
                    std::shared_ptr< SDLPP::Texture > texture,
                    bool destructible, bool editor ) {
    return createBlock( renderer, x, y, texture,
                        getSourceRectByID( block_id, type ), block_id, type,
                        destructible, editor );
}
std::shared_ptr< SDLPP::RectangleRender >
createTerrainBlock( uint64_t block_id, LandType::Value type,
                    std::shared_ptr< SDLPP::Renderer > &renderer,
                    std::shared_ptr< SDLPP::Texture > texture,
                    bool destructible, bool editor ) {
    return createTerrainBlock( block_id, type, renderer, 0, 0, texture,
                               destructible, editor );
}

std::shared_ptr< SDLPP::RectangleRender >
createTerrainBlock( uint64_t block_id, LandType::Value type,
                    std::shared_ptr< SDLPP::Renderer > &renderer, int x, int y,
                    bool destructible, bool editor ) {
    return createTerrainBlock( block_id, type, renderer, x, y,
                               g_terrain_texture, destructible, editor );
}

std::shared_ptr< SDLPP::RectangleRender >
createTerrainBlock( uint64_t block_id, LandType::Value type,
                    std::shared_ptr< SDLPP::Renderer > &renderer,
                    bool destructible, bool editor ) {
    return createTerrainBlock( block_id, type, renderer, g_terrain_texture,
                               destructible, editor );
}

std::shared_ptr< SDLPP::RectangleRender >
createMario( LandType::Value type, std::shared_ptr< SDLPP::Renderer > &renderer,
             int x, int y ) {
    // TODO add type additions
    auto mario = createBlock( renderer, x, y, g_mario_texture,
                              MARIO_STANDING_SRC, MARIO_ID, type, false, true );
    dynamic_cast< MarioBlock & >( *mario ).setTerrain( false );
    return mario;
}

enum BlockRole::Value getBlockRole( uint64_t id ) {
    if ( id >= 0x7000 )
        return BlockRole::TERRAIN;
    if ( id == MARIO_ID )
        return BlockRole::MARIO;
    if ( id < MARIO_ID )
        return BlockRole::MODIFIER;
    // TODO modifier/character
    return BlockRole::MODIFIER;
}