<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\Frontend;
use App\Rules\FileTypeValidate;
use Illuminate\Http\Request;
use Illuminate\Validation\Rule;
use App\Lib\RequiredConfig;

class FrontendController extends Controller
{

    public function index()
    {
        $pageTitle = 'Manage Frontend Content';
        return view('admin.frontend.index', compact('pageTitle'));
    }
    public function templates()
    {
        $pageTitle = 'Templates';
        $temPaths  = array_filter(glob('core/resources/views/templates/*'), 'is_dir');
        foreach ($temPaths as $key => $temp) {
            $arr                      = explode('/', $temp);
            $tempname                 = end($arr);
            $templates[$key]['name']  = $tempname;
            $templates[$key]['image'] = asset($temp) . '/preview.jpg';
        }
        $extraTemplates = json_decode(getTemplates(), true);
        return view('admin.frontend.templates', compact('pageTitle', 'templates', 'extraTemplates'));
    }

    public function templatesActive(Request $request)
    {
        $general = gs();

        $general->active_template = $request->name;
        $general->save();

        $notify[] = ['success', strtoupper($request->name) . ' template activated successfully'];
        return back()->withNotify($notify);
    }

    public function seoEdit()
    {
        $pageTitle = 'SEO Configuration';
        $seo       = Frontend::where('data_keys', 'seo.data')->first();
        if (!$seo) {
            $data_values           = '{"keywords":[],"description":"","social_title":"","social_description":"","image":null}';
            $data_values           = json_decode($data_values, true);
            $frontend              = new Frontend();
            $frontend->data_keys   = 'seo.data';
            $frontend->data_values = $data_values;
            $frontend->save();
        }
        return view('admin.frontend.seo', compact('pageTitle', 'seo'));
    }

    public function frontendSections($key)
    {
        $section = isset(getPageSections()->$key) ? getPageSections()->$key : null;
        abort_if(!$section || !$section->builder, 404);
        $content   = Frontend::where('tempname', activeTemplateName())->where('data_keys', $key . '.content')->orderBy('id', 'desc')->first();
        $elements  = Frontend::where('tempname', activeTemplateName())->where('data_keys', $key . '.element')->orderBy('id', 'desc')->get();
        $pageTitle = $section->name;

        // ===add
        $general = gs();

        $temPaths = array_filter(glob('core/resources/views/templates/*'), 'is_dir');
        $temPaths = array_diff($temPaths, ["core/resources/views/templates/$general->active_template"]);

        $templates = [];
        foreach ($temPaths as $tempKey => $temp) {
            $arr      = explode('/', $temp);
            $tempname = end($arr);
            $tempJson = json_decode(json_encode(getPageSections(false, "templates/$tempname/")), true);
            if (array_key_exists($key, $tempJson)) {
                $templates[$tempKey]['name'] = $tempname;
            }
        }

        // ===end

        return view('admin.frontend.section', compact('section', 'content', 'elements', 'key', 'pageTitle', 'templates'));
    }

    public function frontendContent(Request $request, $key)
    {
        $purifier = new \HTMLPurifier();
        $valInputs = $request->except('_token', 'image_input', 'key', 'status', 'type', 'id', 'slug');
        foreach ($valInputs as $keyName => $input) {
            if (gettype($input) == 'array') {
                $inputContentValue[$keyName] = $input;
                continue;
            }
            $inputContentValue[$keyName] = htmlspecialchars_decode($purifier->purify($input));
        }
        $type = $request->type;
        if (!$type) {
            abort(404);
        }
        $imgJson = isset(getPageSections()->$key->$type->images) ? getPageSections()->$key->$type->images : null;
        $validationRule = [];
        $validationMessage = [];
        foreach ($request->except('_token', 'video') as $inputField => $val) {
            if ($inputField == 'has_image' && $imgJson) {
                foreach ($imgJson as $imgValKey => $imgJsonVal) {
                    $validationRule['image_input.' . $imgValKey] = ['nullable', 'image', new FileTypeValidate(['jpg', 'jpeg', 'png'])];
                    $validationMessage['image_input.' . $imgValKey . '.image'] = keyToTitle($imgValKey) . ' must be an image';
                    $validationMessage['image_input.' . $imgValKey . '.mimes'] = keyToTitle($imgValKey) . ' file type not supported';
                }
                continue;
            }
            if ($inputField == 'meta_robots') continue;
            $validationRule[$inputField] = ['required'];
            if ($inputField == 'slug') {
                $validationRule[$inputField] = [Rule::unique('frontends')->where(function ($query) use ($request) {
                    return $query->where('id', '!=', $request->id)
                        ->where('tempname', activeTemplateName());
                })];
            }
        }

        $request->validate($validationRule, $validationMessage, ['image_input' => 'image']);

        if ($request->id) {
            $content = Frontend::findOrFail($request->id);
        } else {
            $content = Frontend::where('data_keys', $key . '.' . $request->type);
            if ($type != 'data') {
                $content = $content->where('tempname', activeTemplateName());
            }
            $content = $content->first();
            if (!$content || $request->type == 'element') {
                $content = new Frontend();
                $content->data_keys = $key . '.' . $request->type;
                $content->save();
            }
        }
        if ($imgJson) {
            foreach ($imgJson as $imgKey => $imgValue) {
                $imgData = $request->image_input && array_key_exists($imgKey, $request->image_input) ? $request->image_input[$imgKey] : null;
                $oldImage = isset($content?->data_values?->$imgKey) && $content?->data_values?->$imgKey ? $content?->data_values?->$imgKey : null;
                if (is_file($imgData)) {
                    try {
                        $inputContentValue[$imgKey] = $this->storeImage($imgJson, $type, $key, $imgData, $imgKey, $oldImage);
                    } catch (\Exception $exp) {
                        $notify[] = ['error', 'Couldn\'t upload the image'];
                        return back()->withNotify($notify);
                    }
                } else if ($content?->data_values?->$imgKey) {
                    $inputContentValue[$imgKey] = $oldImage;
                }
            }
        }
        $content->data_values = $inputContentValue;
        $content->slug = slug($request->slug);
        if ($type != 'data') {
            $content->tempname = activeTemplateName();
        }
        $content->save();

        if (!$request->id && (isset(getPageSections()->$key->element->seo) && getPageSections()->$key->element->seo) && $type != 'content') {
            $notify[] = ['info', 'Configure SEO content for ranking'];
            $notify[] = ['success', 'Content updated successfully'];
            return to_route('admin.frontend.sections.element.seo', [$key, $content->id])->withNotify($notify);
        }

        if ($content->data_keys == 'policy_pages.element') {
            RequiredConfig::configured('policy_content');
        }
        $notify[] = ['success', 'Content updated successfully'];
        return back()->withNotify($notify);
    }

    public function frontendElement($key, $id = null)
    {
        $section = isset(getPageSections()->$key) ? getPageSections()->$key : null;
        if (!$section) {
            return abort(404);
        }

        unset($section->element->modal);
        unset($section->element->seo);
        $pageTitle = $section->name . ' Items';
        if ($id) {
            $data = Frontend::where('tempname', activeTemplateName())->findOrFail($id);
            return view('admin.frontend.element', compact('section', 'key', 'pageTitle', 'data'));
        }
        return view('admin.frontend.element', compact('section', 'key', 'pageTitle'));
    }


    public function frontendElementSlugCheck($key, $id = null)
    {
        $content = Frontend::where('data_keys', $key . '.element')->where('tempname', activeTemplateName())->where('slug', request()->slug);
        if ($id) {
            $content = $content->where('id', '!=', $id);
        }
        $exist = $content->exists();
        return response()->json([
            'exists' => $exist
        ]);
    }

    public function frontendSeo($key, $id)
    {
        $hasSeo = isset(getPageSections()->$key->element->seo) ? getPageSections()->$key->element->seo : null;
        if (!$hasSeo) {
            abort(404);
        }
        $data      = Frontend::findOrFail($id);
        $pageTitle = 'SEO Configuration';
        return view('admin.frontend.frontend_seo', compact('pageTitle', 'key', 'data'));
    }

    public function frontendSeoUpdate(Request $request, $key, $id)
    {
        $request->validate([
            'image' => ['nullable', new FileTypeValidate(['jpeg', 'jpg', 'png'])],
        ]);
        $hasSeo = isset(getPageSections()->$key->element->seo) ? getPageSections()->$key->element->seo : null;
        if (!$hasSeo) {
            abort(404);
        }
        $data  = Frontend::findOrFail($id);
        $image = $data?->seo_content?->image;
        if ($request->hasFile('image')) {
            try {
                $path = 'assets/images/frontend/' . $key . '/seo';
                $image = fileUploader($request->image, $path, getFileSize('seo'), $data?->seo_content?->image);
            } catch (\Exception $exp) {
                $notify[] = ['error', 'Couldn\'t upload the image'];
                return back()->withNotify($notify);
            }
        }
        $data->seo_content = [
            'image'              => $image,
            'description'        => $request->description,
            'social_title'       => $request->social_title,
            'social_description' => $request->social_description,
            'keywords'           => $request->keywords,
            'meta_robots'        => $request->meta_robots
        ];
        $data->save();

        $notify[] = ['success', 'SEO content updated successfully'];
        return back()->withNotify($notify);
    }

    protected function storeImage($imgJson, $type, $key, $image, $imgKey, $oldImage = null)
    {
        $path = 'assets/images/frontend/' . $key;
        if ($type == 'element' || $type == 'content') {
            $size = $imgJson?->$imgKey?->size;
            $thumb = $imgJson?->$imgKey?->thumb ?? '';
        } else {
            $path = getFilePath($key);
            $size = getFileSize($key);
            $thumb = fileManager()->$key()?->thumb;
        }
        return fileUploader($image, $path, $size, $oldImage, $thumb);
    }

    public function remove($id)
    {
        $frontend = Frontend::findOrFail($id);
        $key = explode('.', $frontend->data_keys)[0];
        $type = explode('.', $frontend->data_keys)[1];
        if ($type == 'element' || $type == 'content') {
            $path = 'assets/images/frontend/' . $key;
            $imgJson = isset(getPageSections()->$key->$type->images) && getPageSections()->$key->$type->images ? getPageSections()->$key->$type->images : null;
            if ($imgJson) {
                foreach ($imgJson as $imgKey => $imgValue) {
                    fileManager()->removeFile($path . '/' . ($frontend->data_values->$imgKey ?? ''));
                    fileManager()->removeFile($path . '/thumb_' . ($frontend->data_values->$imgKey ?? ''));
                }
            }
            if (isset(getPageSections()->$key->element->seo) && getPageSections()->$key->element->seo) {
                fileManager()->removeFile($path . '/seo/' . $frontend?->seo_content?->image);
            }
        }
        $frontend->delete();
        $notify[] = ['success', 'Content removed successfully'];
        return back()->withNotify($notify);
    }

    public function importContent(Request $request, $key)
    {

        $temPaths = array_filter(glob('core/resources/views/templates/*'), 'is_dir');
        foreach ($temPaths as $temp) {
            $arr         = explode('/', $temp);
            $tempname    = end($arr);
            $templates[] = $tempname;
        }

        $request->validate([
            'template_name' => 'required|in:' . implode(',', $templates),
        ]);

        $fromTemp = $request->template_name;
        $toTemp   = gs('active_template');

        $fromTempJson = json_decode(json_encode(getPageSections(false, "templates/$fromTemp/")), true);
        $toTempJson   = json_decode(json_encode(getPageSections()), true)[$key];

        if (!array_key_exists($key, $fromTempJson)) {
            $notify[] = ['error', 'Key doesn\'t exists'];
            return back()->withNotify($notify);
        }

        $dataContent = Frontend::where('data_keys', $key . '.content')->where('tempname', $fromTemp)->first();

        if ($dataContent) {
            $toContentData = [];
            if (@$toTempJson['content']) {
                foreach ($toTempJson['content'] as $toContentKey => $toContentValue) {
                    if ($toContentKey == 'images') {
                        foreach ($toContentValue as $imageKey => $imageValue) {
                            $toContentData[$imageKey] = '';
                        }
                    } else {
                        $toContentData[$toContentKey] = @$dataContent->data_values->$toContentKey;
                    }
                }

                $toFrontendContent = Frontend::where('tempname', $toTemp)->where('data_keys', $key . '.content')->first();
                if (!$toFrontendContent) {
                    $toFrontendContent = new Frontend();
                }
                $toFrontendContent->data_keys   = $key . '.content';
                $toFrontendContent->data_values = $toContentData;
                $toFrontendContent->tempname    = $toTemp;
                $toFrontendContent->slug        = @$dataContent->slug ?? null;
                $toFrontendContent->save();
            }
        }

        if (@$toTempJson['element']) {
            $dataElement = Frontend::where('data_keys', $key . '.element')->where('tempname', $fromTemp)->get();
            Frontend::where('tempname', $toTemp)->where('data_keys', $key . '.element')->delete();

            foreach ($dataElement as $dataEl) {
                $toElementData = [];
                foreach ($toTempJson['element'] as $toElementKey => $toElementValue) {
                    if (in_array($toElementKey, ['modal'])) {
                        continue;
                    }
                    if ($toElementKey == 'images') {
                        foreach ($toElementValue as $imageKey => $imageValue) {
                            $toElementData[$imageKey] = '';
                        }
                    } else {
                        $toElementData[$toElementKey] = @$dataEl->data_values->$toElementKey;
                    }
                }
                $toFrontendElement              = new Frontend();
                $toFrontendElement->tempname    = $toTemp;
                $toFrontendElement->data_keys   = $key . '.element';
                $toFrontendElement->data_values = $toElementData;
                $toFrontendElement->slug        = @$dataEl->slug ?? null;
                $toFrontendElement->save();
            }
        }

        $notify[] = ['success', 'Template updated successfully'];
        return back()->withNotify($notify);
    }

    public function updateSeoContent(Request $request)
    {
        $validated = $request->validate([
            'image' => ['nullable', new FileTypeValidate(['jpeg', 'jpg', 'png'])],
            'keywords' => 'required|array|min:1',
            'keywords.*' => 'required|string',
            'meta_robots' => 'nullable|string',
            'description' => 'required|string',
            'social_title' => 'required|string',
            'social_description' => 'required|string',
        ]);

        $seo = Frontend::where('data_keys', 'seo.data')->first();

        $oldData = $seo->data_values ? json_decode(json_encode($seo->data_values), true) : [];

        $data = array_merge($oldData ?? [], $validated);

        if ($request->hasFile('image')) {
            try {
                $image = fileUploader($request->image, getFilePath('seo'), getFileSize('seo'), $seo?->data_values?->image ?? null);
                $data['image'] = $image;
            } catch (\Exception $exp) {
                $notify[] = ['error', 'Couldn\'t upload the image'];
                return back()->withNotify($notify);
            }
        }

        if (!$seo) {
            $seo = new Frontend();
            $seo->data_keys = 'seo.data';
        }

        $seo->data_values = $data;
        $seo->save();

        RequiredConfig::configured('seo');

        $notify[] = ['success', 'SEO content updated successfully'];
        return back()->withNotify($notify);
    }
}