<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\StudyTour;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class StudyTourController extends Controller
{
    public function index(Request $request): JsonResponse
    {
        $q = StudyTour::query()->orderBy('sort')->orderByDesc('id');

        if ($request->filled('keyword')) {
            $kw = trim((string) $request->input('keyword'));
            if ($kw !== '') {
                $q->where('name', 'like', '%'.$kw.'%');
            }
        }

        if ($request->filled('venue_id')) {
            $vid = (int) $request->input('venue_id');
            if ($vid > 0) {
                $q->whereJsonContains('venue_ids', $vid);
            }
        }

        if ($request->has('is_on_shelf') && $request->input('is_on_shelf') !== '' && $request->input('is_on_shelf') !== null) {
            $raw = $request->input('is_on_shelf');
            $on = in_array($raw, [1, '1', true, 'true', 'on', 'yes'], true);
            $off = in_array($raw, [0, '0', false, 'false', 'off', 'no'], true);
            if ($on || $off) {
                $q->where('is_on_shelf', $on);
            }
        }

        return response()->json($q->get());
    }

    public function store(Request $request): JsonResponse
    {
        $this->ensureSuperAdmin($request);
        $data = $request->validate([
            'name' => ['required', 'string', 'max:120'],
            'tags' => ['nullable', 'array'],
            'tags.*' => ['string', 'max:50'],
            'venue_ids' => ['nullable', 'array'],
            'venue_ids.*' => ['integer', 'exists:venues,id'],
            'cover_image' => ['nullable', 'string', 'max:255'],
            'gallery_media' => ['nullable', 'array'],
            'gallery_media.*.type' => ['required_with:gallery_media', 'in:image,video'],
            'gallery_media.*.url' => ['required_with:gallery_media', 'string', 'max:255'],
            'intro_html' => ['nullable', 'string'],
            'sort' => ['nullable', 'integer', 'min:0'],
            'is_on_shelf' => ['sometimes', 'boolean'],
        ]);

        $row = StudyTour::create($data + [
            'tags' => array_values($data['tags'] ?? []),
            'venue_ids' => array_values($data['venue_ids'] ?? []),
            'gallery_media' => array_values($data['gallery_media'] ?? []),
            'sort' => $data['sort'] ?? 0,
            'is_on_shelf' => $data['is_on_shelf'] ?? true,
        ]);

        return response()->json($row, 201);
    }

    public function update(Request $request, StudyTour $studyTour): JsonResponse
    {
        $this->ensureSuperAdmin($request);
        $data = $request->validate([
            'name' => ['sometimes', 'string', 'max:120'],
            'tags' => ['sometimes', 'nullable', 'array'],
            'tags.*' => ['string', 'max:50'],
            'venue_ids' => ['sometimes', 'nullable', 'array'],
            'venue_ids.*' => ['integer', 'exists:venues,id'],
            'cover_image' => ['sometimes', 'nullable', 'string', 'max:255'],
            'gallery_media' => ['sometimes', 'nullable', 'array'],
            'gallery_media.*.type' => ['required_with:gallery_media', 'in:image,video'],
            'gallery_media.*.url' => ['required_with:gallery_media', 'string', 'max:255'],
            'intro_html' => ['sometimes', 'nullable', 'string'],
            'sort' => ['nullable', 'integer', 'min:0'],
            'is_on_shelf' => ['sometimes', 'boolean'],
        ]);

        if (array_key_exists('tags', $data)) {
            $data['tags'] = array_values($data['tags'] ?? []);
        }
        if (array_key_exists('venue_ids', $data)) {
            $data['venue_ids'] = array_values($data['venue_ids'] ?? []);
        }
        if (array_key_exists('gallery_media', $data)) {
            $data['gallery_media'] = array_values($data['gallery_media'] ?? []);
        }

        $studyTour->fill($data)->save();

        return response()->json($studyTour);
    }

    public function destroy(Request $request, StudyTour $studyTour): JsonResponse
    {
        $this->ensureSuperAdmin($request);
        $studyTour->delete();

        return response()->json(['message' => '删除成功']);
    }

    private function ensureSuperAdmin(Request $request): void
    {
        abort_unless($request->user()?->isSuperAdmin(), 403, '仅超级管理员可操作');
    }
}