#include "mario.hpp"
#include "global_vars.hpp"
#include "objectids.hpp"
#include "sprites.hpp"

Mario::Mario(const std::shared_ptr< SDLPP::Renderer > &renderer) : SDLPP::RectangleRender(0, 0, BLOCK_SIZE, BLOCK_SIZE, renderer, g_mario_texture, MARIO_STANDING_SRC) {
    setAnimationFrames( MARIO_WALK_ANIM );
    setId( MARIO_ID );
    setAlignment( SDLPP::OBJ_CENTER, SDLPP::OBJ_CENTER );
    setAnimationSpeed( 12.5 );
    pauseAnimation();
    setMovement( 0, 0 );
    setMovementSpeed( 1 );
    addCollision(
        SDLPP::RectColider( 0.21, 0.85, 0.65, 0.25, MARIO_FLOOR_DETECT ) );
    addCollision(
        SDLPP::RectColider( 0, 0.1, 0.1, 0.8, MARIO_LEFT_SIDE_DETECT ) );
    addCollision(
        SDLPP::RectColider( 0.9, 0.1, 0.1, 0.8, MARIO_RIGHT_SIDE_DETECT ) );
    addCollision(
        SDLPP::RectColider( 0.45, 0, 0.1, 0.15, MARIO_TOP_DETECT ) );
    setStatic( false );
}
void Mario::walkLeft() {
    if(on_ground)
        resumeAnimation();
    addMovement( -side_movement, 0 );
    if ( getMovement().getX() < 0 && faces_right ) {
        flipHorizontally();
        faces_right = false;
    }
}

void Mario::walkRight() {
    if(on_ground)
        resumeAnimation();
    addMovement( side_movement, 0 );
    if ( getMovement().getX() > 0 && !faces_right ) {
        flipHorizontally();
        faces_right = true;
    }
}

void Mario::setStanding() {
    if ( getMovement().getX() == 0 ) {
        pauseAnimation();
    }
}

void Mario::handleVisitor(MarioVisitor &visitor, SDLPP::Vec2D<double> previous_position) {
    // handle gravity
    // TODO - https://haydnscarlett.wordpress.com/2020/07/30/marios-jump/
/*    if (jumping) {
        if(stop_jump && getPos().getY() - min_jump < 0.05) {
            jumping = false;
            resetMovementY();
        } else if( getPos().getY() - max_jump < 0.05 ) {
            jumping = false;
            resetMovementY();
        } else if ( getPos().getY() - slow_jump < 0.05 && getMovement().getY() < -1*jump_movement/5 ) {
            addMovement(0, jump_movement/50);
        }
    }*/
    on_ground = visitor.isOnGround();
    if(!jumping && on_ground) {
        resetMovementY();
        setTextureSourceRect(MARIO_STANDING_SRC);
        if(getMovement().getX() != 0)
            resumeAnimation();
        // for some reason falling of the edge causes on_ground to be true, but
        // visitor ground_y is 0
        if(visitor.getGroundY() != 0) {
            setPos(getPos().getX(), visitor.getGroundY() - BLOCK_SIZE);
        }
    }
    if(visitor.topBlock() && getMovement().getY() < 0) {
        resetMovementY();
    }
    // make sure Mario isn't stuck inside a wall
    if ( visitor.isStopped() ||
         ( !visitor.canGoLeft() && previous_position.getX() > getPos().getX() ) ||
         ( !visitor.canGoRight() && previous_position.getX() < getPos().getX() ) ) {
        setPos( previous_position.getX(), getPos().getY() );
    }
}

void Mario::jump() {
    if(!on_ground)
        return;
    jumping = true;
    stop_jump = false;
    max_jump = getPos().getY() - 3*BLOCK_SIZE;
    min_jump = getPos().getY() - 1*BLOCK_SIZE;
    slow_jump = getPos().getY() - 2*BLOCK_SIZE;
    addMovement( 0, -jump_movement );
    ticks_till_gravity = base_gravity_ticks;
    setTextureSourceRect(MARIO_JUMP_SRC);
    pauseAnimation();
}

void Mario::stopJump() {
    stop_jump = true;
}

void Mario::custom_move( int ticks ) {
    if(!jumping && on_ground)
        return;
    if(getMovement().getY() >= 1.0625 * jump_movement)
        return;
    ticks_till_gravity -= ticks;
    if(ticks_till_gravity < 0) {
        if(getMovement().getY() > 0) {
            jumping = false;
            addMovement(0, gravity_add_jumping);
        } else {
            if(stop_jump) {
                addMovement(0, gravity_add_falling);
            } else {
                addMovement(0, gravity_add_jumping);
            }
        }
        ticks_till_gravity += base_gravity_ticks;
    }
}