import { getRecipeListHTML } from './views/RecipeList.js';
import { getFilterHTML, setupFilter } from './views/Filter.js';
import { getRecipeDetailHTML, setupRecipeDetail } from './views/RecipeDetail.js';
import { getMealPlannerHTML, setupMealPlanner } from './views/MealPlanner.js';

function getBottomNavHTML() {
    return `
    <nav id="app-bottom-nav" class="absolute bottom-0 left-0 right-0 w-full bg-white border-t border-gray-200 flex justify-between px-4 py-3 pb-6 z-20" aria-label="Główna nawigacja">
        <button type="button" data-tab="recipes" id="nav-recipes" class="nav-tab flex flex-col items-center gap-1 text-black min-w-[3.5rem]">
            <i class="fas fa-book text-xl" aria-hidden="true"></i>
            <span class="text-[11px] font-medium">Przepisy</span>
        </button>
        <button type="button" data-tab="planner" id="nav-planner" class="nav-tab flex flex-col items-center gap-1 text-gray-500 hover:text-gray-700 min-w-[3.5rem]">
            <i class="far fa-calendar-alt text-xl" aria-hidden="true"></i>
            <span class="text-[11px] font-medium">Planer</span>
        </button>
        <button type="button" data-tab="shopping" class="nav-tab flex flex-col items-center gap-1 text-gray-500 hover:text-gray-700 min-w-[3.5rem]" disabled title="Wkrótce">
            <i class="fas fa-shopping-cart text-xl" aria-hidden="true"></i>
            <span class="text-[11px] font-medium">Zakupy</span>
        </button>
        <button type="button" data-tab="pantry" class="nav-tab flex flex-col items-center gap-1 text-gray-500 hover:text-gray-700 min-w-[3.5rem]" disabled title="Wkrótce">
            <i class="fas fa-box text-xl" aria-hidden="true"></i>
            <span class="text-[11px] font-medium">Zapasy</span>
        </button>
    </nav>
    `;
}

function setupTabs() {
    const main = document.getElementById('main-view');
    const planner = document.getElementById('planner-view');
    const nav = document.getElementById('app-bottom-nav');
    if (!main || !planner || !nav) return;

    const activeTab = 'nav-tab flex flex-col items-center gap-1 text-black min-w-[3.5rem]';
    const idleTab = 'nav-tab flex flex-col items-center gap-1 text-gray-500 hover:text-gray-700 min-w-[3.5rem]';

    const apply = (tab) => {
        const showRecipes = tab === 'recipes';
        main.classList.toggle('hidden', !showRecipes);
        planner.classList.toggle('hidden', showRecipes);

        nav.querySelectorAll('.nav-tab[data-tab]').forEach((btn) => {
            const id = btn.getAttribute('data-tab');
            if (btn.hasAttribute('disabled')) return;
            if (id === 'recipes' || id === 'planner') {
                btn.className = id === tab ? activeTab : idleTab;
            }
        });
    };

    nav.addEventListener('click', (e) => {
        const btn = e.target.closest('.nav-tab[data-tab]');
        if (!btn || btn.hasAttribute('disabled')) return;
        const tab = btn.getAttribute('data-tab');
        if (tab === 'recipes' || tab === 'planner') apply(tab);
    });

    apply('recipes');
}

document.addEventListener('DOMContentLoaded', () => {
    const appContainer = document.getElementById('app-container');

    appContainer.innerHTML = `
        ${getRecipeListHTML()}
        ${getMealPlannerHTML()}
        ${getBottomNavHTML()}
        ${getRecipeDetailHTML()}
        ${getFilterHTML()}
    `;

    setupTabs();
    setupMealPlanner();
    setupFilter();
    setupRecipeDetail();
});

// --- GLOBAL NAVIGATION METHODS ---
window.openRecipeDetail = () => {
    const view = document.getElementById('recipe-detail-view');
    // Swap Tailwind classes to slide IN
    view.classList.remove('translate-x-full', 'opacity-0', 'pointer-events-none');
    view.classList.add('translate-x-0', 'opacity-100', 'pointer-events-auto');
};

window.closeRecipeDetail = () => {
    const view = document.getElementById('recipe-detail-view');
    // Swap Tailwind classes to slide OUT
    view.classList.remove('translate-x-0', 'opacity-100', 'pointer-events-auto');
    view.classList.add('translate-x-full', 'opacity-0', 'pointer-events-none');
};

window.openFilters = () => {
    const fv = document.getElementById('filter-view');
    fv.classList.remove('hidden');
    fv.classList.add('flex');
};

window.closeFilters = () => {
    const fv = document.getElementById('filter-view');
    fv.classList.add('hidden');
    fv.classList.remove('flex');
};