<?php

namespace App\Http\Requests;

use App\Rules\PublicFileExists;
use App\Rules\XfUserExists;
use Illuminate\Contracts\Validation\ValidationRule;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Str;

class StoreEntryRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     */
    public function authorize(): bool
    {
        $entry = $this->route('entry');
        if( $entry )
            return $this->user()->can('update', $entry);

        return $this->user()->can('create', '\App\Models\Entry');
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array<string, ValidationRule|array<mixed>|string>
     */
    public function prepareForValidation(): void
    {

        $newGameTitle = trim((string) $this->input('new-game-title', ''));
        $newGamePlatform = $this->input('new-game-platform');
        $newGameGenre = $this->input('new-game-genre');

        $this->merge([
            'game_id' => $this->input('game_id') !== '' ? $this->input('game_id') : null,
            'new-game-title' => $newGameTitle !== '' ? $newGameTitle : null,
            'new-game-platform' => $newGamePlatform !== '' ? $newGamePlatform : null,
            'new-game-genre' => $newGameGenre !== '' ? $newGameGenre : null,
            'gallery' => $this->input('gallery') !== '' ? $this->input('gallery') : null,
        ]);
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array<string, ValidationRule|array<mixed>|string>
     */
    public function rules(): array
    {

        $isEdit = (bool) $this->route('entry');

        $rules = [];
        $section = $this->route('section');

        $rules['files_uuid'] = 'array|required|min:1';
        $rules['files_uuid.*'] = 'string';

        if( $isEdit ){
            $rules['files_state'] = 'array|required|min:1';
            $rules['files_state.*'] = 'string|in:public,private,archived';
        }

        if( section_must_not_be( 'translations', $section ) ){
            $rules['entry_title'] = "required|string|max:255";
        } else {
            $rules['entry_title'] = "nullable|string|max:255";
        }

        if( section_must_be( 'romhacks', $section ) ){
            $rules['modifications'] = 'array|required|min:1';
            $rules['modifications.*'] = 'integer|exists:modifications,id';
        }

        $rules['version'] = 'required|string|max:50';
        $rules['release-date'] = 'required|date';
        $rules['status'] = 'required|integer|exists:statuses,id';
        $rules['description'] = 'required|string';

        if( section_must_be( ['romhacks', 'translations' ], $section ) ){
            $rules['game_id'] = 'required_without:new-game-title|nullable|integer|exists:games,id';
            $rules['new-game-title'] = 'required_without:game_id|nullable|string|max:255';
            $rules['new-game-platform'] = 'required_with:new-game-title|nullable|integer|exists:platforms,id';
            $rules['new-game-genre'] = 'required_with:new-game-title|integer|nullable|exists:genres,id';
        }

        $rules['hashes'] = 'array|required|min:1';
        $rules['hashes.*.filename'] = 'required|string|max:512';
        $rules['hashes.*.hash_crc32'] = 'required|string|max:512';
        $rules['hashes.*.hash_sha1'] = 'required|string|max:512';
        $rules['hashes.*.verified'] = 'required|string|max:512';

        $rules['languages'] = 'array|required|min:1';
        $rules['languages.*'] = 'integer|exists:languages,id';

        $rules['main-image'] = [ 'required', 'string', new PublicFileExists ];
        $rules['gallery'] = 'array|required|min:1';
        $rules['gallery.*'] = [ 'string', new PublicFileExists ];

        $rules['authors'] = 'array|required_without:new-authors|min:1';
        $rules['authors.*'] = 'integer|exists:authors,id';
        $rules['new-authors'] = 'array|required_without:authors|min:1';
        $rules['new-authors.*'] = 'string|max:255';

        $rules['staff_credits'] = 'nullable|json';
        $rules['release_site'] = 'nullable|url|max:500';
        $rules['youtube_video'] = 'nullable|url|max:500';

        if( $isEdit ){
            $ss = 'draft,pending,published';
            if( \Auth::user()->can('moderate', $this->route('entry')) && \Auth::user()->can('view-hidden', $this->route('entry')) )
                $ss .= ',hidden';
            if(\Auth::user()->can('moderate', $this->route('entry')) && \Auth::user()->can('view-locked', $this->route('entry')) )
                $ss .= ',locked';
            $rules['submit-state'] = 'required|in:' . $ss;
        } else {
            if( $this->user()->can('skip-queue', '\App\Models\Entry') ){
                $rules['submit-state'] = 'required|string|in:draft,pending,published';
            } else {
                $rules['submit-state'] = 'required|string|in:draft,pending';
            }
        }

        if( $isEdit && $this->user()->can('moderate', $this->route('entry') ) ){
            $rules['staff_comment'] = 'nullable|string';
            $rules['owner_user_id'] = [ 'required', 'integer', new XfUserExists ];
        }

        return $rules;
    }

    public function messages(): array
    {
        return [
            'entry_title.required' => 'Please provide an entry title.',
            'slug.unique' => 'An entry with this title already exists. Please choose another title.',
            'file_ids.required' => 'Please upload at least one file.',
            'file_ids.min' => 'Please upload at least one file.',
            'hashes.required' => 'Please add at least one hash.',
            'hashes.min' => 'Please add at least one hash.',
            'gallery.required' => 'Please add at least one screenshot.',
            'gallery.min' => 'Please add at least one screenshot.',
            'new-game-platform.required_without' => 'Please choose a platform for the new game.',
            'new-game-genre.required_without' => 'Please choose a genre for the new game.',
        ];
    }
}