<?php

namespace App\Http\Controllers\Api;

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

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

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

    public function store(Request $request): JsonResponse
    {
        $this->ensureSuperAdmin($request);
        $data = $request->validate(StudyTourPayload::validationRules(true));
        $data = StudyTourPayload::normalizeIncoming($data);

        $row = StudyTour::create($data + [
            'tags' => $data['tags'] ?? [],
            'venue_ids' => $data['venue_ids'] ?? [],
            'venue_items' => $data['venue_items'] ?? [],
            'seasons' => $data['seasons'] ?? [],
            'grade_levels' => $data['grade_levels'] ?? [],
            'route_plans' => $data['route_plans'] ?? [],
            'courses' => $data['courses'] ?? [],
            'gallery_media' => $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(StudyTourPayload::validationRules(false));
        $data = StudyTourPayload::normalizeIncoming($data);

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

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

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

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

    public function parseDoc(Request $request): JsonResponse
    {
        $request->validate([
            'file' => ['required', 'file', 'max:10240'],
        ]);

        $uploaded = $request->file('file');
        if ($uploaded === null) {
            return response()->json(['message' => '请上传申报表文件'], 422);
        }

        $extension = strtolower((string) ($uploaded->getClientOriginalExtension() ?: $uploaded->extension()));
        if (! in_array($extension, ['doc', 'docx'], true)) {
            return response()->json(['message' => '仅支持 .doc / .docx 申报表'], 422);
        }
        $tmpPath = $uploaded->getRealPath();
        if (! is_string($tmpPath) || $tmpPath === '') {
            return response()->json(['message' => '无法读取上传文件'], 422);
        }

        try {
            $result = StudyTourDeclarationParser::parseFile($tmpPath, $extension);
        } catch (\Throwable $e) {
            return response()->json(['message' => '申报表解析失败：'.$e->getMessage()], 422);
        }

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

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