<?php

namespace App\Http\Controllers\Api;

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

class VenueController extends Controller
{
    public function store(Request $request): JsonResponse
    {
        $user = $request->user();
        abort_unless($user && ($user->isSuperAdmin() || $user->role === 'venue_admin'), 403, '无权限');

        $data = $request->validate([
            'name' => ['required', 'string', 'max:120'],
            'venue_type' => ['nullable', 'string', 'max:80'],
            'venue_types' => ['nullable', 'array'],
            'venue_types.*' => ['string', 'max:80'],
            'unit_name' => ['nullable', 'string', 'max:120'],
            'district' => ['nullable', 'string', 'max:80'],
            'ticket_type' => ['nullable', 'string', 'max:80'],
            'appointment_type' => ['nullable', 'string', 'max:40'],
            'open_mode' => ['nullable', 'string', 'max:40', Rule::in(['fulltime', 'scheduled', 'appointment'])],
            'open_time' => ['nullable', 'string', 'max:120'],
            'reservation_notice' => ['nullable', 'string'],
            'ticket_content' => ['nullable', 'string'],
            'booking_method' => ['nullable', 'string'],
            'visit_form' => ['nullable', 'string'],
            'consultation_hours' => ['nullable', 'string'],
            'address' => ['nullable', 'string', 'max:255'],
            'contact_phone' => ['nullable', 'string', 'max:20'],
            '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'],
        ]);

        $auditStatus = $user->isSuperAdmin() ? Venue::AUDIT_APPROVED : Venue::AUDIT_PENDING;

        $venue = Venue::create($data + [
            'is_active' => $data['is_active'] ?? true,
            'audit_status' => $auditStatus,
            'audit_remark' => null,
            'last_approved_snapshot' => null,
        ]);

        if (! $user->isSuperAdmin()) {
            $user->venues()->syncWithoutDetaching([$venue->id]);
        }

        return response()->json($venue->fresh(), 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'));
        $openMode = trim((string) $request->string('open_mode'));
        $isActive = $request->input('is_active');
        $auditStatus = trim((string) $request->string('audit_status'));

        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('ticket_content', 'like', '%' . $keyword . '%')
                    ->orWhere('booking_method', 'like', '%' . $keyword . '%')
                    ->orWhere('visit_form', 'like', '%' . $keyword . '%')
                    ->orWhere('consultation_hours', 'like', '%' . $keyword . '%');
            });
        }

        if ($district !== '') {
            $query->where('district', $district);
        }
        if ($venueType !== '') {
            $query->where(function ($q) use ($venueType) {
                $q->where('venue_type', $venueType)
                    ->orWhereJsonContains('venue_types', $venueType);
            });
        }
        if ($ticketType !== '') {
            $query->where('ticket_type', $ticketType);
        }
        if ($openMode !== '') {
            $query->where('open_mode', $openMode);
        }

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

        if ($auditStatus !== '') {
            $query->where('audit_status', $auditStatus);
        }

        $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);

        $user = $request->user();

        $data = $request->validate([
            'name' => ['sometimes', 'string', 'max:120'],
            'venue_type' => ['nullable', 'string', 'max:80'],
            'venue_types' => ['nullable', 'array'],
            'venue_types.*' => ['string', 'max:80'],
            'unit_name' => ['nullable', 'string', 'max:120'],
            'district' => ['nullable', 'string', 'max:80'],
            'ticket_type' => ['nullable', 'string', 'max:80'],
            'appointment_type' => ['nullable', 'string', 'max:40'],
            'open_mode' => ['nullable', 'string', 'max:40', Rule::in(['fulltime', 'scheduled', 'appointment'])],
            'open_time' => ['nullable', 'string', 'max:120'],
            'reservation_notice' => ['nullable', 'string'],
            'ticket_content' => ['nullable', 'string'],
            'booking_method' => ['nullable', 'string'],
            'visit_form' => ['nullable', 'string'],
            'consultation_hours' => ['nullable', 'string'],
            'address' => ['nullable', 'string', 'max:255'],
            'contact_phone' => ['nullable', 'string', 'max:20'],
            '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 (! $user->isSuperAdmin()) {
            unset($data['sort']);
            if ($venue->audit_status === Venue::AUDIT_APPROVED) {
                $venue->last_approved_snapshot = $venue->buildAuditSnapshot();
            }
            $data['audit_status'] = Venue::AUDIT_PENDING;
            $data['audit_remark'] = null;
        } else {
            $data['audit_status'] = Venue::AUDIT_APPROVED;
            $data['audit_remark'] = null;
            $data['last_approved_snapshot'] = null;
        }

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

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

    public function approve(Request $request, int $id): JsonResponse
    {
        abort_unless($request->user()?->isSuperAdmin(), 403, '仅超级管理员可审核');

        $venue = Venue::query()->findOrFail($id);
        $venue->audit_status = Venue::AUDIT_APPROVED;
        $venue->audit_remark = null;
        $venue->last_approved_snapshot = null;
        $venue->save();

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

    public function reject(Request $request, int $id): JsonResponse
    {
        abort_unless($request->user()?->isSuperAdmin(), 403, '仅超级管理员可审核');

        $data = $request->validate([
            'remark' => ['nullable', 'string', 'max:2000'],
        ]);

        $venue = Venue::query()->findOrFail($id);
        $venue->audit_status = Venue::AUDIT_REJECTED;
        $venue->audit_remark = $data['remark'] ?? null;
        $venue->save();

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

    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');
    }
}