maze-generator/src/main/java/ch/fritteli/maze/generator/renderer/text/CharDefinition.java

package ch.fritteli.maze.generator.renderer.text;

import lombok.AccessLevel;
import lombok.AllArgsConstructor;
import lombok.EqualsAndHashCode;
import lombok.NoArgsConstructor;
import lombok.experimental.FieldDefaults;

@AllArgsConstructor
@EqualsAndHashCode
@FieldDefaults(level = AccessLevel.PRIVATE)
@NoArgsConstructor
class CharDefinition {
    // ─
    static final String HORIZONTAL = "\u2500";
    // │
    static final String VERTICAL = "\u2502";
    // ╴
    static final String LEFT = "\u2574";
    // ╵
    static final String UP = "\u2575";
    // ╶
    static final String RIGHT = "\u2576";
    // ╷
    static final String DOWN = "\u2577";
    // ┌
    static final String DOWN_RIGHT = "\u250c";
    // ┐
    static final String DOWN_LEFT = "\u2510";
    // └
    static final String UP_RIGHT = "\u2514";
    // ┘
    static final String UP_LEFT = "\u2518";
    // ├
    static final String VERTICAL_RIGHT = "\u251c";
    // ┤
    static final String VERTICAL_LEFT = "\u2524";
    // ┬
    static final String HORIZONTAL_DOWN = "\u252c";
    // ┴
    static final String HORIZONTAL_UP = "\u2534";
    // ┼
    static final String CROSS = "\u253c";
    // ╭
    static final String SOLUTION_DOWN_RIGHT = "\u256d";
    // ╮
    static final String SOLUTION_DOWN_LEFT = "\u256e";
    // ╯
    static final String SOLUTION_UP_LEFT = "\u256f";
    // ╰
    static final String SOLUTION_UP_RIGHT = "\u2570";
    boolean up = false;
    boolean down = false;
    boolean left = false;
    boolean right = false;
    boolean solution = false;

    CharDefinition solution() {
        this.solution = true;
        return this;
    }

    CharDefinition up() {
        this.up = true;
        return this;
    }

    CharDefinition down() {
        this.down = true;
        return this;
    }

    CharDefinition vertical() {
        return this.up().down();
    }

    CharDefinition left() {
        this.left = true;
        return this;
    }

    CharDefinition right() {
        this.right = true;
        return this;
    }

    CharDefinition horizontal() {
        return this.left().right();
    }

    public String toString() {
        if (this.up) {
            if (this.down) {
                if (this.left) {
                    if (this.right) {
                        return CROSS;
                    } else {
                        return VERTICAL_LEFT;
                    }
                } else {
                    if (this.right) {
                        return VERTICAL_RIGHT;
                    } else {
                        return VERTICAL;
                    }
                }
            } else {
                if (this.left) {
                    if (this.right) {
                        return HORIZONTAL_UP;
                    } else {
                        return this.solution ? SOLUTION_UP_LEFT : UP_LEFT;
                    }
                } else {
                    if (this.right) {
                        return this.solution ? SOLUTION_UP_RIGHT : UP_RIGHT;
                    } else {
                        return UP;
                    }
                }
            }
        } else {
            if (this.down) {
                if (this.left) {
                    if (this.right) {
                        return HORIZONTAL_DOWN;
                    } else {
                        return this.solution ? SOLUTION_DOWN_LEFT : DOWN_LEFT;
                    }
                } else {
                    if (this.right) {
                        return this.solution ? SOLUTION_DOWN_RIGHT : DOWN_RIGHT;
                    } else {
                        return DOWN;
                    }
                }
            } else {
                if (this.left) {
                    if (this.right) {
                        return HORIZONTAL;
                    } else {
                        return LEFT;
                    }
                } else {
                    if (this.right) {
                        return RIGHT;
                    } else {
                        return " ";
                    }
                }
            }
        }
    }
}