<?php

namespace App\Http\Requests;

use App\Enums\EngagementType;
use App\Enums\InputType;
use App\Lib\Utils;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\ValidationException;

class UpdateEngagement extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        if (auth()->check()) {
            $this->merge([
                'status' => $this->status === null ? 0 : 1
            ]);
            return true;
        }
        return false;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        $rules = [
            'title' => 'required|string|min:7'
        ];
        if ($this->engagement->type == EngagementType::header()) {
            $rules = array_merge($rules, [
                'content' => 'required|string|min:40'
            ]);
        } else {
            $rules = array_merge($rules, [
                'metaTitle' => 'required|string|min:20|max:60',
                'metaDescription' => 'required|string|min:130|max:160'
            ]);
            foreach ($this->engagement->content as $i => $block) {
                foreach ($block['content'] as $iptName => $input) {
                    switch ($input['inputType']['value']) {
                        case InputType::string()->value:
                            $rules = array_merge($rules, [
                                "content.$i.content.$iptName.value" => 'required|string|min:4'
                            ]);
                            break;
                        case InputType::text()->value:
                            $rules = array_merge($rules, [
                                "content.$i.content.$iptName.value" => 'required|string|min:15'
                            ]);
                            break;
                        case InputType::image()->value:
                            $ipt = $this->engagement->content[$i]['content'][$iptName];
                            $max = isset($ipt['dimensionsMax']);
                            $dim = collect(explode(
                                ',',
                                $ipt['dimensions'] ?? $ipt['dimensionsMax']
                            ))->mapWithKeys(function ($v) {
                                $v = explode(' ', $v);
                                return [$v[0] => $v[1]];
                            });
                            $rules = array_merge($rules, [
                                "content.$i.content.$iptName.value" => [
                                    'sometimes',
                                    'image',
                                    'mimes:png,jpg,svg',
                                    sprintf(
                                        'dimensions:%s=%d,%s=%d',
                                        $max ? 'max_height' : 'height',
                                        $dim['hauteur'],
                                        $max ? 'max_width' : 'width',
                                        $dim['largeur']
                                    )
                                ]
                            ]);
                            break;
                        case InputType::imageArray()->value:
                            $ipt = $this->engagement->content[$i]['content'][$iptName];
                            $max = isset($ipt['dimensionsMax']);
                            $dim = collect(explode(
                                ',',
                                $ipt['dimensions'] ?? $ipt['dimensionsMax']
                            ))->mapWithKeys(function ($v) {
                                $v = explode(' ', $v);
                                return [$v[0] => $v[1]];
                            });
                            $rules = array_merge($rules, [
                                "content.$i.content.$iptName.value.*" => 'sometimes|array'
                            ]);
                            if (is_array($this->input("content.$i.content.$iptName.value.*"))) {
                                $all = $this->all();
                                $images = $this->input("content.$i.content.$iptName.value");
                                if (is_array($images)) {
                                    ksort($images);
                                    $all['content'][$i]['content'][$iptName]['value'] = $images;
                                    $this->merge($all);
                                }
                                foreach ($this->input("content.$i.content.$iptName.value.*") as $imageK => $image) {
                                    if (!is_string($image)) {
                                        $rules = array_merge($rules, [
                                            "content.$i.content.$iptName.value.$imageK" => [
                                                'image',
                                                'mimes:png,jpg,svg',
                                                sprintf(
                                                    'dimensions:%s=%d,%s=%d',
                                                    $max ? 'max_height' : 'height',
                                                    $dim['hauteur'],
                                                    $max ? 'max_width' : 'width',
                                                    $dim['largeur']
                                                )
                                            ]
                                        ]);
                                    } else {
                                        $rules = array_merge($rules, [
                                            "content.$i.content.$iptName.value.$imageK" => 'string'
                                        ]);
                                    }
                                }
                            }
                            break;
                        case InputType::url()->value:
                            $rules = array_merge($rules, [
                                "content.$i.content.$iptName.value" => [
                                    'required', 'url',
                                    // @phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundInExtendedClassBeforeLastUsed
                                    function ($attribute, $value, $fail) {
                                        try {
                                            Utils::assertNoInternalUrls($attribute, $value);
                                        } catch (ValidationException $e) {
                                            $fail(collect($e->errors())->first()[0]);
                                        }
                                    }
                                ]
                            ]);
                            break;
                        case InputType::labelArray()->value:
                            $all = $this->all();
                            try {
                                foreach ($this->input("content.$i.content.$iptName.value") as $labelIndex => $label) {
                                    if ($labelIndex === 'X') {
                                        unset($all['content'][$i]['content'][$iptName]['value'][$labelIndex]);
                                        continue;
                                    }
                                    $rules = array_merge($rules, [
                                        "content.$i.content.$iptName.value.$labelIndex.*" => 'string'
                                    ]);
                                }
                            } catch (\Exception $e) {
                                dd($this->input("content.$i.content.$iptName.value"));
                            }
                            $this->merge($all);
                            break;
                        case InputType::boolean()->value:
                            $all = $this->all();
                            $nested = Utils::dotStringToNestedArray(
                                "content.$i.content.$iptName.value",
                                $this->input("content.$i.content.$iptName.value") ? true : false
                            );
                            $all = array_merge_recursive_distinct($all, $nested);
                            $this->merge($all);
                            $rules = array_merge($rules, [
                                "content.$i.content.$iptName.value" => 'boolean'
                            ]);
                            break;
                    }
                }
            }
        }
        return $rules;
    }
}