<?php

namespace App\Console\Commands;

use App\Models\User;
use Illuminate\Console\Command;

class CheckSchoolmateData extends Command
{
    /**
     * 允许直接认定为校友的课程体系名称
     *
     * @var string[]
     */
    protected array $allowedCourseTypeNames = ['高研班', '攀峰班'];

    /**
     * 允许直接认定为校友的课程名称
     *
     * @var string[]
     */
    protected array $allowedCourseNames = ['首期技术经理人领航班'];

    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'check_schoolmate_data';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = '按当前校友认定口径校验所有校友数据，并自动修正不合格校友';

    /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        $today = date('Y-m-d');
        $allowedCourseTypeNames = $this->allowedCourseTypeNames;
        $allowedCourseNames = $this->allowedCourseNames;
        $fixedUsers = User::query()
            ->where('is_schoolmate', 1)
            ->where(function ($query) {
                $query->whereNull('mobile')
                    ->orWhere('mobile', '');
            })
            ->orderBy('id')
            ->get();

        $fixedCount = 0;
        foreach ($fixedUsers as $user) {
            $user->is_schoolmate = 0;
            $user->schoolmate_time = null;
            if ($user->isDirty()) {
                $user->save();
                $fixedCount++;
            }
        }

        $invalidUsers = User::query()
            ->where('is_schoolmate', 1)
            ->whereDoesntHave('courseSigns', function ($query) use ($today, $allowedCourseTypeNames, $allowedCourseNames) {
                $query->where('status', 1)
                    ->whereHas('course', function ($courseQuery) use ($today, $allowedCourseTypeNames, $allowedCourseNames) {
                        $courseQuery->where(function ($eligibleQuery) use ($today, $allowedCourseTypeNames, $allowedCourseNames) {
                            $eligibleQuery->where(function ($autoSchoolmateQuery) use ($today) {
                                $autoSchoolmateQuery->where('auto_schoolmate', 1)
                                    ->whereNotNull('start_date')
                                    ->where('start_date', '<=', $today);
                            })->orWhereHas('typeDetail', function ($typeQuery) use ($allowedCourseTypeNames) {
                                $typeQuery->whereIn('name', $allowedCourseTypeNames);
                            })->orWhereIn('name', $allowedCourseNames);
                        });
                    });
            })
            ->with([
                'courseSigns' => function ($query) {
                    $query->where('status', 1)->with('course.typeDetail');
                }
            ])
            ->orderBy('id')
            ->get();

        $schoolmateTotal = User::where('is_schoolmate', 1)->count();
        $invalidCount = $invalidUsers->count();

        $this->info("当前校友总数：{$schoolmateTotal}");
        $this->info("已自动修正无手机号但仍是校友的用户数：{$fixedCount}");
        $this->info('检测口径：用户当前是校友，但不存在以下任一合格来源，则判定为不符合要求：');
        $this->line('1. 已审核通过，且课程开启自动入校友，且课程已开课');
        $this->line('2. 已审核通过，且课程属于高研班体系');
        $this->line('3. 已审核通过，且课程属于攀峰班体系');
        $this->line('4. 已审核通过，且课程为“首期技术经理人领航班”');

        if ($invalidUsers->isEmpty()) {
            $this->info('检测完成：当前所有校友数据都符合校友认定规则。');
            return self::SUCCESS;
        }

        $this->warn('检测完成：发现 ' . $invalidCount . ' 位校友不符合校友认定规则，以下用户将被自动取消校友身份。');
        $this->newLine();

        $rows = [];
        foreach ($invalidUsers as $user) {
            $passedCourses = $user->courseSigns
                ->map(function ($courseSign) use ($allowedCourseTypeNames, $allowedCourseNames, $today) {
                    if (empty($courseSign->course)) {
                        return '课程已删除';
                    }

                    $course = $courseSign->course;
                    $courseTypeName = $course->typeDetail->name ?? '空';
                    $reasons = [];

                    if ($course->auto_schoolmate == 1 && !empty($course->start_date) && $course->start_date <= $today) {
                        $reasons[] = '自动入校友';
                    }
                    if (in_array($courseTypeName, $allowedCourseTypeNames, true)) {
                        $reasons[] = '体系白名单';
                    }
                    if (in_array($course->name, $allowedCourseNames, true)) {
                        $reasons[] = '课程白名单';
                    }

                    return sprintf(
                        '%s[课程体系=%s,auto_schoolmate=%s,start_date=%s,命中规则=%s]',
                        $course->name,
                        $courseTypeName,
                        (string) $course->auto_schoolmate,
                        $course->start_date ?: '空',
                        empty($reasons) ? '无' : implode('+', $reasons)
                    );
                })
                ->filter()
                ->unique()
                ->values()
                ->implode('；');

            $rows[] = [
                '用户ID' => $user->id,
                '姓名' => $user->name,
                '手机号' => $user->mobile,
                '成为校友时间' => $user->schoolmate_time ?: '空',
                '已通过课程' => $passedCourses ?: '无',
                '不符合原因' => '没有符合自动入校友规则的已通过课程',
            ];
        }

        $this->table(
            ['用户ID', '姓名', '手机号', '成为校友时间', '已通过课程', '不符合原因'],
            $rows
        );

        $updatedCount = 0;
        foreach ($invalidUsers as $user) {
            $user->is_schoolmate = 0;
            $user->schoolmate_time = null;
            if ($user->isDirty()) {
                $user->save();
                $updatedCount++;
            }
        }

        $this->newLine();
        $this->info("已自动取消 {$updatedCount} 位异常校友的校友身份。");
        $this->info('本次仅在命令行输出处理结果，不再生成 txt 文件。');

        return self::SUCCESS;
    }
}