<?php

declare(strict_types=1);

namespace Modules\Content\Http\Controllers;

use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Illuminate\Support\Facades\DB;
use Illuminate\Validation\Rule;
use Illuminate\View\View;
use Modules\Content\Models\ContentDocument;
use Modules\Content\Models\PageContent;

final class PageComposerController extends Controller
{
    public function edit(string $pageKey): View
    {
        return view('content::admin.pages.edit', [
            'pageKey'=>$pageKey,
            'placements'=>PageContent::with('document.type')->where('page_key',$pageKey)->orderBy('region')->orderBy('sort_order')->get()->groupBy('region'),
            'documents'=>ContentDocument::with('type')->orderBy('title')->get(),
        ]);
    }

    public function store(Request $request, string $pageKey): RedirectResponse
    {
        $data=$request->validate(['content_document_id'=>['required','exists:content_documents,id'],'region'=>['required',Rule::in(['header','body','footer'])]]);
        $data['page_key']=$pageKey; $data['is_enabled']=true;
        $data['sort_order']=(int) PageContent::where('page_key',$pageKey)->where('region',$data['region'])->max('sort_order')+1;
        PageContent::create($data);
        return back()->with('status','Placement added.');
    }

    public function update(Request $request, string $pageKey, PageContent $placement): RedirectResponse
    {
        abort_unless($placement->page_key===$pageKey,404);
        $placement->update($request->validate(['region'=>['sometimes',Rule::in(['header','body','footer'])],'is_enabled'=>['sometimes','boolean'],'published_at'=>['nullable','date'],'expires_at'=>['nullable','date','after:published_at']]));
        return back()->with('status','Placement updated.');
    }

    public function destroy(string $pageKey, PageContent $placement): RedirectResponse
    {
        abort_unless($placement->page_key===$pageKey,404); $placement->delete();
        return back()->with('status','Placement removed.');
    }

    public function reorder(Request $request, string $pageKey): JsonResponse
    {
        $data=$request->validate(['region'=>['required',Rule::in(['header','body','footer'])],'ids'=>['required','array'],'ids.*'=>['integer']]);
        DB::transaction(function() use($data,$pageKey){ foreach($data['ids'] as $i=>$id){ PageContent::whereKey($id)->where('page_key',$pageKey)->where('region',$data['region'])->update(['sort_order'=>$i]); }});
        return response()->json(['saved'=>true]);
    }
}