#include "01_automato.h"

void handle_move_direction(Moving_t direction) {
    GameState_t* state = get_game_state();
    switch (direction) {
        case LeftDown:
            state->curr.x--;
            break;
        case RightDown:
            state->curr.x++;
            break;
        default:
            break;
    }
}

void handle_rotate(void) {
    GameState_t* state = get_game_state();
    state->curr.rotation = (state->curr.rotation + 1) % 4;
    const int (*shape)[4] = get_figure_shape(state->curr.sprite, state->curr.rotation);
    for (int i = 0; i < 4; ++i)
        for (int j = 0; j < 4; ++j)
            state->curr.mtrx[i][j] = shape[i][j];
}

void handle_horizontal_rotate_move(void) {
    GameState_t* state = get_game_state();
    Figure_t old = state->curr;
    
    switch (state->moving_type) {
        case LeftDown:
        case RightDown:
            handle_move_direction(state->moving_type);
            break;
        case Rotate:
            handle_rotate();
            break;
        default:
            break;
    }
    
    if (check_collision()) {
        state->curr = old;
    }
    state->state = Move;
}

void handle_to_down_move(void) {
    GameState_t* state = get_game_state();
    while (!check_collision()) {
        state->curr.y++;
    }
    state->curr.y--;
    state->state = Attaching;
}

void do_moving(void) {
    GameState_t* state = get_game_state();

    switch (state->moving_type) {
        case LeftDown:
        case RightDown:
        case Rotate:
            handle_horizontal_rotate_move();
            break;
        case ToDown:
            handle_to_down_move();
            break;
        case DoNothing:
            state->state = Move;
            break;
    }
}