<?php

namespace App\Http\Controllers\admin;

use App\Http\Controllers\AgentApiController;
use App\Services\CompanyMonthlyReportService;
use Illuminate\Http\Request;

/** 总后台「公司营业报表」：按月上传 Excel，列表、新增（上个月及以前未上传的月份）、编辑（重新上传）、下载。 */
class CompanyReport extends AgentApiController
{
    public function index(Request $request, CompanyMonthlyReportService $service)
    {
        return $this->execute(function () use ($request, $service) {
            $data = $request->validate([
                'page' => ['nullable', 'integer', 'min:1'], 'limit' => ['nullable', 'integer', 'min:1', 'max:100'],
                'start_month' => ['nullable', 'date_format:Y-m'], 'end_month' => ['nullable', 'date_format:Y-m', 'after_or_equal:start_month'],
            ]);
            return $service->paginate($data, true);
        });
    }

    public function create(Request $request, CompanyMonthlyReportService $service)
    {
        return $this->execute(function () use ($request, $service) {
            $data = $request->validate([
                'month' => ['required', 'date_format:Y-m'],
                'file' => self::fileRule(),
            ], self::messages());
            return $service->create($data['month'], $request->file('file'), (int) request()->user->id);
        });
    }

    public function update(Request $request, CompanyMonthlyReportService $service)
    {
        return $this->execute(function () use ($request, $service) {
            $data = $request->validate(['id' => ['required', 'integer', 'min:1'], 'file' => self::fileRule()], self::messages());
            return $service->replace((int) $data['id'], $request->file('file'), (int) request()->user->id);
        });
    }

    public function download(Request $request, CompanyMonthlyReportService $service)
    {
        return $this->executeFile(function () use ($request, $service) {
            $data = $request->validate(['id' => ['required', 'integer', 'min:1']]);
            return $service->download((int) $data['id']);
        });
    }

    public static function fileRule(): array
    {
        return ['required', 'file', 'extensions:' . implode(',', CompanyMonthlyReportService::EXTENSIONS), 'max:' . CompanyMonthlyReportService::MAX_KB];
    }

    public static function messages(): array
    {
        return [
            'month.required' => '请选择月份', 'month.date_format' => '月份格式为 YYYY-MM',
            'file.required' => '请上传报表文件', 'file.file' => '请上传报表文件',
            'file.extensions' => '请上传 Excel 文件（.xlsx 或 .xls）', 'file.max' => '报表文件不能超过 20MB',
        ];
    }
}