<?php

namespace App\Models;

use App\Models\SectionTemplate;
use App\Support\PageTemplateHero;
use App\Traits\HasTranslations;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use SolutionForest\FilamentTree\Concern\ModelTree;

class Page extends Model
{
    use HasFactory, SoftDeletes, HasTranslations, ModelTree;

    protected $fillable = [
        'title',
        'slug',
        'content',
        'excerpt',
        'meta_title',
        'meta_description',
        'status',
        'featured_image',
        'published_at',
        'author_id',
        'parent_id',
        'sort_order',
        'template',
        'is_homepage',
        'show_in_menu',
        'sections',
        'data',
        // Template System
        'header_template_id',
        'header_data',
        'custom_header_blade',
        'footer_template_id',
        'footer_data',
        'custom_footer_blade',
        'sections_data',
    ];

    /**
     * Translatable fields
     */
    protected $translatable = [
        'title',
        'content',
        'excerpt',
        'meta_title',
        'meta_description',
    ];

    protected $casts = [
        'published_at' => 'datetime',
        'is_homepage' => 'boolean',
        'show_in_menu' => 'boolean',
        'sort_order' => 'integer',
        'sections' => 'array',
        'data' => 'array',
        // Template System
        'header_data' => 'array',
        'footer_data' => 'array',
        'sections_data' => 'array',
    ];

    public function author()
    {
        return $this->belongsTo(User::class, 'author_id');
    }

    public function parent()
    {
        return $this->belongsTo(Page::class, 'parent_id');
    }

    public function children()
    {
        return $this->hasMany(Page::class, 'parent_id');
    }

    public function testimonials()
    {
        return $this->hasMany(Testimonial::class);
    }

    /**
     * Get the header template for the page.
     */
    public function headerTemplate()
    {
        return $this->belongsTo(HeaderTemplate::class, 'header_template_id');
    }

    /**
     * Get the footer template for the page.
     */
    public function footerTemplate()
    {
        return $this->belongsTo(FooterTemplate::class, 'footer_template_id');
    }

    public function getRouteKeyName()
    {
        return 'slug';
    }

    public function getUrlAttribute()
    {
        if ($this->is_homepage) {
            return '/';
        }
        
        return '/' . $this->slug;
    }

    public function getFeaturedImageUrlAttribute(): ?string
    {
        return PageTemplateHero::urlForPage($this);
    }

    public function usesTemplateHeroImage(): bool
    {
        return ! $this->featured_image && PageTemplateHero::hasHero($this->template);
    }
    
    /**
     * Get sections with parsed data as associative array
     */
    public function getParsedSectionsAttribute()
    {
        if (!$this->sections || !is_array($this->sections)) {
            return [];
        }
        
        return collect($this->sections)->map(function ($section) {
            if (!isset($section['data']) || !is_array($section['data'])) {
                return $section;
            }
            
            // Convert key-value-type array to associative array
            $parsedData = collect($section['data'])->pluck('value', 'key')->toArray();
            
            return [
                'type' => $section['type'] ?? null,
                'data' => $parsedData,
            ];
        })->toArray();
    }
    
    /**
     * Get a specific section's data by type
     */
    public function getSectionData(string $type, int $index = 0): ?array
    {
        $sections = $this->parsed_sections;
        $matchingSections = array_filter($sections, fn($s) => ($s['type'] ?? null) === $type);
        $matchingSections = array_values($matchingSections);
        
        return $matchingSections[$index] ?? null;
    }

    /**
     * Get templated sections with their templates loaded.
     * Used for new dynamic template system.
     */
    public function getTemplatedSectionsAttribute()
    {
        if (!$this->sections_data || !is_array($this->sections_data)) {
            return collect([]);
        }

        return collect($this->sections_data)->map(function ($section) {
            $templateId = $section['section_template_id'] ?? null;
            $template = $templateId ? SectionTemplate::find($templateId) : null;

            return [
                'template' => $template,
                'data' => $section['section_data'] ?? [],
            ];
        })->filter(fn($section) => $section['template'] !== null);
    }

    /**
     * ModelTree - Custom column names
     */
    public function determineOrderColumnName(): string
    {
        return 'sort_order';
    }

    public function determineParentColumnName(): string
    {
        return 'parent_id';
    }

    public function determineTitleColumnName(): string
    {
        return 'title';
    }

    public static function defaultParentKey()
    {
        return null; // Mevcut migration nullable olduğu için null kullanıyoruz
    }

    /**
     * Duplicate the page
     */
    public function duplicate(): self
    {
        $duplicated = $this->replicate();
        
        // Generate unique slug
        $baseSlug = $this->slug;
        $counter = 1;
        do {
            $newSlug = $baseSlug . '-copy-' . $counter;
            $counter++;
        } while (static::where('slug', $newSlug)->exists());
        
        $duplicated->slug = $newSlug;
        $duplicated->title = $this->title . ' (Kopya)';
        $duplicated->status = 'draft';
        $duplicated->published_at = null;
        $duplicated->is_homepage = false; // Duplicate can't be homepage
        $duplicated->author_id = auth()->id();
        $duplicated->save();

        // Duplicate translations if HasTranslations trait is used
        if (method_exists($this, 'translations')) {
            foreach ($this->translations()->get() as $translation) {
                $duplicatedTranslation = $translation->replicate();
                $duplicatedTranslation->translatable_type = get_class($duplicated);
                $duplicatedTranslation->translatable_id = $duplicated->id;
                $duplicatedTranslation->save();
            }
        }

        return $duplicated;
    }

    /**
     * Publish the page
     */
    public function publish(): bool
    {
        $this->status = 'published';
        if (!$this->published_at) {
            $this->published_at = now();
        }
        return $this->save();
    }

    /**
     * Set the page to draft status
     */
    public function draft(): bool
    {
        $this->status = 'draft';
        return $this->save();
    }
}