<?php

/**
 * 文件功能：勤务台页面控制器
 * 左侧五个子菜单：任职列表、日榜、周榜、月榜、总榜
 * 路由：GET /duty-hall?tab=roster|day|week|month|all
 *
 * @author   ChatRoom Laravel
 *
 * @version  1.1.0
 */

namespace App\Http\Controllers;

use App\Models\Department;
use App\Models\PositionDutyLog;
use Illuminate\Http\Request;
use Illuminate\View\View;

class DutyHallController extends Controller
{
    /**
     * 勤务台主页（根据 tab 切换内容）
     */
    public function index(Request $request): View
    {
        $tab = $request->input('tab', 'roster');

        // ── 任职列表：按部门→职务展示全部（含空缺） ────────────────────
        $currentStaff = null;
        if ($tab === 'roster') {
            $currentStaff = Department::query()
                ->with([
                    'positions' => fn ($q) => $q->orderByDesc('rank'),
                    'positions.activeUserPositions.user',
                ])
                ->orderByDesc('rank')
                ->get();
        }

        // ── 日/周/月/总榜：勤务时长排行 ──────────────────────────────────
        $leaderboard = null;
        if (in_array($tab, ['day', 'week', 'month', 'all'])) {
            $query = PositionDutyLog::query()
                ->selectRaw('user_id, SUM(duration_seconds) as total_seconds, COUNT(*) as checkin_count');

            // 按时间段过滤
            match ($tab) {
                'day' => $query->whereDate('login_at', today()),
                'week' => $query->whereBetween('login_at', [now()->startOfWeek(), now()->endOfWeek()]),
                'month' => $query->whereYear('login_at', now()->year)->whereMonth('login_at', now()->month),
                'all' => null,   // 不加时间限制
            };

            $leaderboard = $query
                ->groupBy('user_id')
                ->orderByDesc('total_seconds')
                ->limit(20)
                ->with('user')
                ->get();
        }

        // 各榜标签配置
        $tabs = [
            'roster' => ['label' => '任职列表', 'icon' => '🏛️'],
            'day' => ['label' => '日榜',     'icon' => '☀️'],
            'week' => ['label' => '周榜',     'icon' => '📆'],
            'month' => ['label' => '月榜',     'icon' => '🗓️'],
            'all' => ['label' => '总榜',     'icon' => '🏆'],
        ];

        return view('duty-hall.index', compact(
            'tab',
            'tabs',
            'currentStaff',
            'leaderboard',
        ));
    }
}