<?php

namespace App\Http\Controllers\Api;

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

class VenueController extends Controller
{
    public function store(Request $request): JsonResponse
    {
        abort_unless($request->user()?->isSuperAdmin(), 403, '仅超级管理员可操作');

        $data = $request->validate([
            'name' => ['required', 'string', 'max:120'],
            'venue_type' => ['nullable', 'string', 'max:80'],
            'unit_name' => ['nullable', 'string', 'max:120'],
            'district' => ['nullable', 'string', 'max:80'],
            'ticket_type' => ['nullable', 'string', 'max:80'],
            'open_time' => ['nullable', 'string', 'max:120'],
            'reservation_notice' => ['nullable', 'string'],
            'study_courses' => ['nullable', 'string'],
            'address' => ['nullable', 'string', 'max:255'],
            'lat' => ['nullable', 'numeric'],
            'lng' => ['nullable', 'numeric'],
            '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'],
            'detail_html' => ['nullable', 'string'],
            'live_people_count' => ['nullable', 'integer', 'min:0'],
            'sort' => ['nullable', 'integer', 'min:0'],
            'is_active' => ['boolean'],
        ]);

        $venue = Venue::create($data + ['is_active' => $data['is_active'] ?? true]);
        return response()->json($venue, 201);
    }

    public function index(Request $request): JsonResponse
    {
        $user = $request->user();
        $keyword = trim((string) $request->string('keyword'));
        $district = trim((string) $request->string('district'));
        $venueType = trim((string) $request->string('venue_type'));
        $ticketType = trim((string) $request->string('ticket_type'));
        $isActive = $request->input('is_active');

        // 必须用关联本身的查询，勿用 getQuery()->get()，否则会绕过 BelongsToMany::get()
        // 的 select `venues.*`，在 join user_venue 时 `id` 可能被 pivot 表的 id 覆盖（列表 id 比库大 1）。
        if ($user->isSuperAdmin()) {
            $query = Venue::query();
        } else {
            $query = $user->venues();
        }

        if ($keyword !== '') {
            $query->where(function ($q) use ($keyword) {
                $q->where('name', 'like', '%' . $keyword . '%')
                    ->orWhere('address', 'like', '%' . $keyword . '%')
                    ->orWhere('unit_name', 'like', '%' . $keyword . '%')
                    ->orWhere('open_time', 'like', '%' . $keyword . '%')
                    ->orWhere('reservation_notice', 'like', '%' . $keyword . '%')
                    ->orWhere('study_courses', 'like', '%' . $keyword . '%');
            });
        }

        if ($district !== '') {
            $query->where('district', $district);
        }
        if ($venueType !== '') {
            $query->where('venue_type', $venueType);
        }
        if ($ticketType !== '') {
            $query->where('ticket_type', $ticketType);
        }

        if ($isActive !== null && $isActive !== '') {
            $query->where('is_active', (int) $isActive === 1);
        }

        $venues = $query->orderBy('venues.sort')->orderByDesc('venues.id')->get();
        return response()->json($venues);
    }

    public function update(Request $request, int $id): JsonResponse
    {
        $venue = Venue::query()->findOrFail($id);
        $this->ensureVenuePermission($request, $venue->id);

        $data = $request->validate([
            'name' => ['sometimes', 'string', 'max:120'],
            'venue_type' => ['nullable', 'string', 'max:80'],
            'unit_name' => ['nullable', 'string', 'max:120'],
            'district' => ['nullable', 'string', 'max:80'],
            'ticket_type' => ['nullable', 'string', 'max:80'],
            'open_time' => ['nullable', 'string', 'max:120'],
            'reservation_notice' => ['nullable', 'string'],
            'study_courses' => ['nullable', 'string'],
            'address' => ['nullable', 'string', 'max:255'],
            'lat' => ['nullable', 'numeric'],
            'lng' => ['nullable', 'numeric'],
            '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'],
            'detail_html' => ['nullable', 'string'],
            'live_people_count' => ['nullable', 'integer', 'min:0'],
            'sort' => ['nullable', 'integer', 'min:0'],
            'is_active' => ['boolean'],
        ]);

        if (!$request->user()?->isSuperAdmin()) {
            unset($data['sort']);
        }

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

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

    private function ensureVenuePermission(Request $request, int $venueId): void
    {
        $user = $request->user();
        if ($user->isSuperAdmin()) {
            return;
        }

        $allowed = $user->venues()->where('venues.id', $venueId)->exists();
        abort_unless($allowed, 403, '仅可操作已绑定场馆');
    }
}