<?php

namespace App\Console\Commands;

use App\Models\Company;
use App\Models\Course;
use App\Models\CourseForm;
use App\Models\CourseSign;
use App\Models\CourseType;
use App\Models\User;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Artisan;

class UpdateUserFromCourseSign extends Command
{
    /**
     * 课程体系优先级（高研班 > 攀峰班 > 初创班）
     *
     * @var array
     */
    protected $courseTypePriority = ['高研班', '攀峰班', '初创班'];

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

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = '从高研班/攀峰班/初创班报名表获取用户填写的信息，按优先级覆盖到user数据表';

    /**
     * Create a new command instance.
     *
     * @return void
     */
    public function __construct()
    {
        parent::__construct();
    }

    /**
     * Execute the console command.
     *
     * @return mixed
     */
    public function handle()
    {
        // 获取高研班、攀峰班、初创班三个课程体系下的课程 ID
        $courseTypeIds = CourseType::whereIn('name', $this->courseTypePriority)->pluck('id')->toArray();
        if (empty($courseTypeIds)) {
            return $this->error('未找到高研班/攀峰班/初创班课程类型');
        }

        $courseIds = Course::whereIn('type', $courseTypeIds)->pluck('id')->toArray();
        if (empty($courseIds)) {
            return $this->error('三个课程体系下没有课程');
        }

        // 获取这三个体系下所有有报名数据（data 不为空）的报名记录，再取去重用户
        $userIds = CourseSign::whereIn('course_id', $courseIds)
            ->whereNotNull('user_id')
            ->whereNotNull('data')
            ->pluck('user_id')
            ->unique()
            ->values()
            ->toArray();

        if (empty($userIds)) {
            return $this->error('没有找到符合条件的报名用户');
        }

        $users = User::whereIn('id', $userIds)->get();
        $this->info("找到 {$users->count()} 个用户需要处理（高研班/攀峰班/初创班报名用户）");

        $successCount = 0;
        $failCount = 0;

        foreach ($users as $user) {
            $this->newLine();
            $this->info("========== 处理用户：{$user->name} (手机号: {$user->mobile}, ID: {$user->id}) ==========");

            try {
                $this->processUser($user, $courseIds);
                $successCount++;
            } catch (\Exception $e) {
                $this->error("处理用户 {$user->name} 时出错：" . $e->getMessage());
                $failCount++;
            }
        }

        $this->newLine();
        return $this->info("全部处理完成！成功：{$successCount}，失败：{$failCount}");
    }

    /**
     * 处理单个用户
     * 按优先级（高研班 > 攀峰班 > 初创班）选定课程体系，取该体系下最新一条报名数据覆盖用户
     *
     * @param \App\Models\User $user
     * @param array $courseIds 高研班/攀峰班/初创班下的课程 ID 列表
     */
    private function processUser($user, array $courseIds)
    {
        $user_id = $user->id;

        // 仅获取该用户在三个体系下的报名记录（携带课程及课程类型），按 created_at 倒序
        $courseSigns = CourseSign::with('course.typeDetail')
            ->where('user_id', $user_id)
            ->whereIn('course_id', $courseIds)
            ->whereNotNull('data')
            ->orderByDesc('created_at')
            ->get();

        if ($courseSigns->isEmpty()) {
            $this->info('该用户在此三个体系下没有报名记录或报名记录中没有数据');
            return;
        }

        // 统计用户报名的课程体系
        $userCourseTypes = $courseSigns->map(function ($sign) {
            return $sign->course->typeDetail->name ?? '';
        })->filter()->unique()->values()->toArray();
        $this->info('用户报名的课程体系：' . implode('、', $userCourseTypes));

        // 按优先级确定使用的课程体系：有高研班用高研班，否则攀峰班，否则初创班
        $selectedTypeName = null;
        foreach ($this->courseTypePriority as $typeName) {
            $hasSign = $courseSigns->contains(function ($sign) use ($typeName) {
                $name = $sign->course->typeDetail->name ?? '';
                return $name === $typeName;
            });
            if ($hasSign) {
                $selectedTypeName = $typeName;
                $this->info("检测到用户报名了【{$typeName}】，优先使用该体系的数据");
                break;
            }
        }

        if ($selectedTypeName === null) {
            $this->info('未匹配到高研班/攀峰班/初创班课程类型，跳过');
            return;
        }

        // 只保留该体系下的报名，且已按 created_at 倒序，取最新一条
        $targetSigns = $courseSigns->filter(function ($sign) use ($selectedTypeName) {
            $name = $sign->course->typeDetail->name ?? '';
            return $name === $selectedTypeName;
        });
        $latestSign = $targetSigns->first();
        $this->info("使用课程体系【{$selectedTypeName}】下最新报名（course_sign_id: {$latestSign->id}）覆盖用户数据");

        // 从单条最新报名中提取用户字段
        $userData = [];
        $hasCompanyName = false;

        if (empty($latestSign->data) || !is_array($latestSign->data)) {
            $this->info('该条报名 data 为空，无法更新用户');
            return;
        }

        $courseForms = CourseForm::where('course_id', $latestSign->course_id)
            ->where('belong_user', 1)
            ->whereNotNull('belong_user_table')
            ->where('belong_user_table', '!=', '')
            ->get(['field', 'belong_user_table']);

        if ($courseForms->isEmpty()) {
            $this->info('该课程无 belong_user 表单配置，跳过');
            return;
        }

        $fieldMapping = [];
        foreach ($courseForms as $form) {
            $fieldMapping[$form->field] = $form->belong_user_table;
        }

        $dataArray = [];
        foreach ($latestSign->data as $item) {
            if (isset($item['field'], $item['value'])) {
                $dataArray[$item['field']] = $item['value'];
            }
        }

        foreach ($fieldMapping as $field => $userTableField) {
            if (isset($dataArray[$field]) && $dataArray[$field] !== null && $dataArray[$field] !== '') {
                $userData[$userTableField] = $dataArray[$field];
                if ($userTableField === 'company_name') {
                    $hasCompanyName = true;
                }
            }
        }

        if (empty($userData)) {
            $this->info('未解析出可更新的用户字段');
            return;
        }

        // 如果用户已有 company_id 且存在对应的 company 数据，则不更新公司名字
        if ($user->company_id) {
            $hasCompany = Company::where('id', $user->company_id)->exists();
            if ($hasCompany) {
                // 有关联的 company 数据，移除 company_name 字段，不更新
                if (isset($userData['company_name'])) {
                    unset($userData['company_name']);
                    $hasCompanyName = false;
                    $this->info('用户已有关联的 company 数据（company_id: ' . $user->company_id . '），跳过公司名字更新');
                }
            }
        }

        if (empty($userData)) {
            $this->info('移除公司名字后，没有其他需要更新的用户字段');
            return;
        }

        $this->info('准备更新以下字段：' . implode(', ', array_keys($userData)));

        // 根据 User::$coverFields 判断覆盖或追加
        foreach ($userData as $key => $value) {
            if (!in_array($key, User::$coverFields)) {
                $currentValue = $user->$key ?? '';
                if (!empty($currentValue)) {
                    $tempArray = explode(',', $currentValue . ',' . $value);
                    $tempArray = array_unique(array_filter($tempArray));
                    $userData[$key] = implode(',', $tempArray);
                }
            }
        }

        $oldCompanyName = $user->company_name;
        $newCompanyName = $userData['company_name'] ?? null;
        $companyNameChanged = $hasCompanyName && isset($newCompanyName) &&
            (empty($oldCompanyName) || $oldCompanyName != $newCompanyName);

        $user->fill($userData);
        $user->save();

        $this->info('用户信息更新成功');

        if ($companyNameChanged) {
            if (empty($oldCompanyName)) {
                $this->info("检测到新增公司名字（{$newCompanyName}），开始调用 UpdateCompany 脚本更新公司信息...");
            } else {
                $this->info("检测到公司名字发生变化（{$oldCompanyName} -> {$newCompanyName}），开始调用 UpdateCompany 脚本更新公司信息...");
            }
            Artisan::call("update_company --user_id={$user_id}");
            $this->info('公司信息更新完成');
        } elseif ($hasCompanyName && isset($newCompanyName)) {
            $this->info("公司名字未发生变化（{$newCompanyName}），跳过公司信息更新");
        }

        $this->info('用户更新完成');
    }
}