#pragma once
#include <SFML/Graphics/Rect.hpp>
#include <SFML/System/Vector2.hpp>
#include <algorithm>

namespace fluidsim::port::desktop {
// One geometry source for drawing, picking and viewport projection.
struct WorkshopLayout {
    sf::FloatRect left, right, viewport, library, search;
    float inspector_x{}, inspector_width{}, height{}, width{};
    static constexpr float field_top=302, field_height=52;
    int field_rows()const{return std::max(1,int((height-164-field_top)/field_height));}
    int library_rows()const{return std::max(1,int(library.size.y/36));}
    sf::FloatRect field_row(int row)const{return {{inspector_x+12,field_top+row*field_height},{inspector_width-24,48}};}
    sf::FloatRect field_value(int row)const{auto r=field_row(row);return {{r.position.x,r.position.y+21},{r.size.x-68,26}};}
    static WorkshopLayout calculate(sf::Vector2u size,float left_width=260,float right_width=340,bool left_closed=false,bool right_closed=false){
        WorkshopLayout l;l.width=float(size.x);l.height=float(size.y);
        const float available=std::max(480.f,l.width-440);
        float lw=left_closed?28.f:std::clamp(left_width,220.f,420.f),rw=right_closed?28.f:std::clamp(right_width,280.f,520.f);
        if(lw+rw>available){const float excess=lw+rw-available;rw=std::max(right_closed?28.f:280.f,rw-excess);lw=std::max(left_closed?28.f:180.f,std::min(lw,available-rw));}
        l.left={{8,96},{lw,std::max(100.f,l.height-154)}};
        l.right={{l.width-rw-8,96},{rw,std::max(100.f,l.height-154)}};
        l.inspector_x=l.right.position.x;l.inspector_width=rw;
        l.viewport={{l.left.position.x+lw+8,96},{std::max(100.f,l.right.position.x-lw-24),std::max(100.f,l.height-154)}};
        l.search={{20,152},{lw-24,30}};
        l.library={{20,230},{lw-24,std::max(36.f,l.height-474)}};
        return l;
    }
};
}