<?php

declare(strict_types=1);

namespace App\Framework\Console\Layout;

use App\Framework\Console\Layout\Components\Footer;
use App\Framework\Console\Layout\Components\Header;
use App\Framework\Console\Layout\Components\Sidebar;
use App\Framework\Console\Layout\ValueObjects\LayoutOptions;

/**
 * Page layout with header, main content, footer, and optional sidebar
 */
final class PageLayout extends LayoutContainer
{
    private ?Header $header = null;
    private ?Footer $footer = null;
    private ?Sidebar $sidebar = null;
    private array $sections = [];
    private array $mainContent = [];

    public function __construct(
        ?TerminalSize $customTerminalSize = null,
        ?LayoutOptions $options = null
    ) {
        parent::__construct($customTerminalSize, $options);
    }

    /**
     * Set header
     */
    public function withHeader(string $title, ?string $subtitle = null, array $meta = []): self
    {
        $this->header = new Header($title, $subtitle, $this->theme, $meta);
        return $this;
    }

    /**
     * Set footer
     */
    public function withFooter(string $content): self
    {
        $this->footer = new Footer($content, $this->theme);
        return $this;
    }

    /**
     * Set sidebar
     */
    public function withSidebar(array $items, ?string $title = null): self
    {
        $this->sidebar = new Sidebar($items, $title, $this->theme);
        return $this;
    }

    /**
     * Add section to main content
     */
    public function addSection(Section $section): self
    {
        $this->sections[] = $section;
        return $this;
    }

    /**
     * Add content line to main area
     */
    public function addContent(string $content): self
    {
        $this->mainContent[] = $content;
        return $this;
    }

    /**
     * Render the page layout
     */
    public function render(): string
    {
        $width = $this->getEffectiveWidth();
        $output = [];
        $hasSidebar = $this->sidebar !== null && $this->shouldShowSidebar();

        // Header
        if ($this->header !== null) {
            $output[] = $this->header->render($width, $this->options->showBorders);
            $output[] = '';
        }

        // Main content area
        $mainContent = $this->renderMainContent($width, $hasSidebar);

        if ($hasSidebar) {
            // Split layout: sidebar + main content
            $sidebarWidth = min(25, (int)($width * 0.25));
            $mainWidth = $width - $sidebarWidth - 2; // Space between sidebar and main

            $sidebarLines = explode("\n", $this->sidebar->render($sidebarWidth, $this->options->showBorders));
            $mainLines = explode("\n", $mainContent);

            $maxLines = max(count($sidebarLines), count($mainLines));

            for ($i = 0; $i < $maxLines; $i++) {
                $sidebarLine = $sidebarLines[$i] ?? str_repeat(' ', $sidebarWidth);
                $mainLine = $mainLines[$i] ?? '';
                $output[] = $sidebarLine . '  ' . $mainLine;
            }
        } else {
            // Full width main content
            $output[] = $mainContent;
        }

        // Footer
        if ($this->footer !== null) {
            $output[] = '';
            $output[] = $this->footer->render($width, $this->options->showBorders);
        }

        return implode("\n", $output);
    }

    private function renderMainContent(int $width, bool $hasSidebar): string
    {
        $content = [];

        // Render sections
        foreach ($this->sections as $section) {
            $content[] = $section->render($width, $this->options->showBorders);
            $content[] = '';
        }

        // Render additional content
        foreach ($this->mainContent as $line) {
            $content[] = $line;
        }

        return implode("\n", $content);
    }

    private function shouldShowSidebar(): bool
    {
        if (!$this->isResponsive()) {
            return true;
        }

        // Hide sidebar on small terminals
        $breakpoint = $this->terminalSize->getBreakpoint();
        return $breakpoint !== TerminalBreakpoint::EXTRA_SMALL && $breakpoint !== TerminalBreakpoint::SMALL;
    }

    /**
     * Create page layout
     */
    public static function create(?TerminalSize $terminalSize = null, ?LayoutOptions $options = null): self
    {
        return new self($terminalSize, $options);
    }
}