include <../config/strong_angler.scad>

function strong_angler_size() = [
    (
        strong_angler_target_screws_margin
        * strong_angler_target_screws_count.x
        + strong_angler_target_screws_margin
    ),
    (
        strong_angler_target_screws_margin
        * strong_angler_target_screws_count.y
        + strong_angler_target_screws_margin
    ),
    strong_angler_height
];

module strong_angler_target_cutoff(oversized = false) {
    diameter = strong_angler_target_screw_diameter;
    padding = strong_angler_target_screw_padding;
    margin = strong_angler_target_screws_margin;
    width = strong_angler_size().x;
    height = strong_angler_size().y;
    move_x = width / 2 - margin;
    move_y = height / 2 - margin;

    module hole(vector_x = 0, vector_y = 0) {
        translate([vector_x, vector_y]) {
            if (oversized) {
                circle(d = diameter + padding * 2);
            } else {
                circle(d = diameter);
            }
        }
    }

    for (count_x = [-move_x : margin : move_x]) {
        for (count_y = [-move_y : margin : move_y]) {
            hole(count_x, count_y);
        }
    }
}

module strong_angler_wall_cutoff(oversized = false) {
    diameter = strong_angler_wall_screw_diameter;
    padding = strong_angler_wall_screw_padding;
    
    if (oversized) {
        circle(d = diameter + padding * 2);
    } else {
        circle(d = diameter);
    }
}

module strong_angler_object() {
    width = strong_angler_size().x;
    depth = strong_angler_size().y;
    height = strong_angler_size().z;
    rounding = strong_angler_rounding;
    thickness = strong_angler_thickness;
    
    module corner(vector = [0, 0, 0]) {
        translate(vector) {
            sphere(r = rounding);
        }
    }   

    module base_object() {
        move_x = width / 2 - rounding;
        move_y = depth / 2 - rounding;
        move_z = height / 2 - rounding;

        hull() {
            corner([move_x, move_y, move_z]);
            corner([-move_x, move_y, move_z]);
            corner([move_x, -move_y, move_z]);
            corner([-move_x, -move_y, move_z]);
            corner([move_x, move_y, -move_z]);
            corner([-move_x, move_y, -move_z]);
        }
    }

    module target_cutoff() {
        move_z = height / 2;
        move_top = move_z - thickness / 2;
        thickness_bottom = height - thickness;
        move_bottom = move_top - thickness / 2 - thickness_bottom / 2; 

        translate([0, 0, move_top]) {
            linear_extrude(height = thickness, center = true) {
                strong_angler_target_cutoff(oversized = false);
            }
        }

        translate([0, 0, move_bottom]) {
            linear_extrude(height = thickness_bottom, center = true) {
                strong_angler_target_cutoff(oversized = true);
            }   
        }
    }

    module wall_cutoff() {
        move_y = depth / 2;
        move_top = move_y - thickness / 2;
        bottom_thickness = depth - thickness;
        move_bottom = move_top - bottom_thickness / 2 - thickness / 2;

        module hole(size = 0, oversized = false) {
            rotate([90, 0, 0]) {
                linear_extrude(height = size, center = true) {
                    strong_angler_wall_cutoff(oversized);
                }
            }
        }

        translate([0, move_top, 0]) {
            hole(thickness, false);
        }

        translate([0, move_bottom, 0]) {
            hole(bottom_thickness, true);
        }
    }

    module final_object() {
        difference() {
            base_object();
            target_cutoff();
            wall_cutoff();
        }
    }

    color("#404080") {
        render() {
            final_object();        
        }
    }
}