<?php
declare (strict_types = 1);

namespace app\service;

use think\facade\Db;

/**
 * 岗位简历匹配度计算服务
 * 采用硬性条件一票否决 + 软性条件加分机制
 */
class MatchService
{
    /**
     * 计算岗位和简历的匹配度
     * @param array $position 岗位信息
     * @param array $resume 简历信息
     * @return int 匹配度分数（0-100分），硬性条件不满足返回0分
     */
    public function calculateMatchScore(array $position, array $resume): int
    {
        // 第一步：检查硬性条件（一票否决）
        $hardCheck = $this->checkHardRequirements($position, $resume);
        
        if (!$hardCheck['passed']) {
            return 0; // 硬性条件不满足，直接返回0分
        }
        
        // 第二步：计算软性条件匹配度（100分制）
        $softCheck = $this->calculateSoftRequirements($position, $resume);
        
        return $softCheck['score'];
    }
    
    /**
     * 批量匹配查询（基于数据库）
     * @param int $userId 用户ID
     * @param int $page 页码，从1开始
     * @param int $pageSize 每页数量
     * @param bool $filterZero 是否过滤0分岗位
     * @return array
     */
    public function batchMatchFromDb(int $userId, int $page = 1, int $pageSize = 20, bool $filterZero = false): array
    {
        // 1. 从数据库获取用户简历信息
        $resume = $this->getUserResumeFromDb($userId);
        if (empty($resume)) {
            return [
                'list' => [],
                'pagination' => [
                    'page' => $page,
                    'page_size' => $pageSize,
                    'total' => 0,
                    'total_pages' => 0
                ]
            ];
        }
        
        // 2. 从数据库获取所有岗位
        $filteredPositions = $this->filterPositionsFromDb($resume);
        
        if (empty($filteredPositions)) {
            return [
                'list' => [],
                'pagination' => [
                    'page' => $page,
                    'page_size' => $pageSize,
                    'total' => 0,
                    'total_pages' => 0
                ]
            ];
        }
        
        // 3. 计算匹配度
        $results = [];
        foreach ($filteredPositions as $position) {
            try {
                $score = $this->calculateMatchScore($position, $resume);
                
                if ($filterZero && $score == 0) {
                    continue; // 过滤0分岗位
                }
                
                $results[] = [
                    'position_id' => $position['id'] ?? 0,
                    'match_score' => $score,
                    'position' => $position
                ];
            } catch (\Exception $e) {
                // 如果计算出错，继续处理其他岗位
                continue;
            }
        }
        
        // 4. 按匹配度降序排序
        usort($results, function($a, $b) {
            return $b['match_score'] - $a['match_score'];
        });
        
        // 5. 分页
        $total = count($results);
        $totalPages = (int)ceil($total / $pageSize);
        $offset = ($page - 1) * $pageSize;
        $paginatedList = array_slice($results, $offset, $pageSize);
        
        return [
            'list' => $paginatedList,
            'pagination' => [
                'page' => $page,
                'page_size' => $pageSize,
                'total' => $total,
                'total_pages' => $totalPages,
                'has_more' => $page < $totalPages
            ]
        ];
    }
    
    /**
     * 从数据库获取用户简历信息
     * @param int $userId 用户ID
     * @return array
     */
    private function getUserResumeFromDb(int $userId): array
    {
        // 1. 获取用户基本信息（t_user表）
        // 尝试不同的主键字段名
        $user = null;
        try {
            $user = Db::name('t_user')->where('uid', $userId)->find();
        } catch (\Exception $e) {
            // ignore and fallback below
        }
        // 如果按 uid 没有查到，再按 id 尝试（即使没有异常也尝试，以防字段是 id）
        if (empty($user)) {
            try {
                $user = Db::name('t_user')->where('id', $userId)->find();
            } catch (\Exception $e2) {
                // 忽略错误
            }
        }
        
        if (empty($user)) {
            return [];
        }
        
        // 转换为数组（如果返回的是对象）
        if (is_object($user)) {
            $user = $user->toArray();
        }
        
        // 2. 获取用户简历信息（t_user_curriculum_vitae表）
        // 尝试使用uid或user_id字段
        $curriculumVitae = null;
        try {
            $curriculumVitae = Db::name('t_user_curriculum_vitae')
                ->where('uid', $userId)
                ->find();
        } catch (\Exception $e) {
            // ignore and fallback below
        }
        // 如果按 uid 没查到，再按 user_id 查一次
        if (empty($curriculumVitae)) {
            try {
                $curriculumVitae = Db::name('t_user_curriculum_vitae')
                    ->where('user_id', $userId)
                    ->find();
            } catch (\Exception $e2) {
                // 如果都不存在，curriculumVitae保持为null
            }
        }
        
        // 转换为数组
        if (is_object($curriculumVitae)) {
            $curriculumVitae = $curriculumVitae->toArray();
        } elseif ($curriculumVitae === null) {
            $curriculumVitae = [];
        }
        
        // 3. 获取用户教育经历（t_user_education表）
        // 尝试使用uid或user_id字段
        $educations = [];
        try {
            $educations = Db::name('t_user_education')
                ->where('uid', $userId)
                ->order('education_level desc') // 按学历等级降序，最高学历在前
                ->select()
                ->toArray();
        } catch (\Exception $e) {
            // ignore and fallback below
        }
        // 如果按 uid 没查到，再按 user_id 查一次（即使没有异常也尝试，以防字段是 user_id）
        if (empty($educations)) {
            try {
                $educations = Db::name('t_user_education')
                    ->where('user_id', $userId)
                    ->order('education_level desc')
                    ->select()
                    ->toArray();
            } catch (\Exception $e2) {
                // 如果都不存在，educations保持为空数组
            }
        }
        
        // 3.1 如果教育经历里有专业代码，预先加载专业表（da_majors）以便解析专业名称
        $majorCodeMap = [];
        $majorCodes = [];
        foreach ($educations as $education) {
            // 收集所有可能的专业代码字段
            $codeFields = ['major_code', 'majors_code', 'code', 'major_id', 'majors_id', 'major_no', 'id'];
            foreach ($codeFields as $field) {
                if (!empty($education[$field])) {
                    $majorCodes[] = $education[$field];
                }
            }
        }
        $majorCodes = array_values(array_unique($majorCodes));

        if (!empty($majorCodes)) {
            try {
                // 尝试多种可能的查询字段：id, code, major_code, majors_id
                $majors = [];
                $queryFields = ['id', 'code', 'major_code', 'majors_id', 'major_id'];
                
                foreach ($queryFields as $queryField) {
                    try {
                        $majors = Db::name('da_majors')
                            ->whereIn($queryField, $majorCodes)
                            ->select()
                            ->toArray();
                        if (!empty($majors)) {
                            break; // 找到匹配的字段，退出循环
                        }
                    } catch (\Exception $e) {
                        // 字段不存在，继续尝试下一个
                        continue;
                    }
                }
                
                // 构建专业代码映射表
                foreach ($majors as $major) {
                    // 尝试多种可能的代码字段
                    $code = $major['id'] ?? $major['code'] ?? $major['major_code'] ?? $major['majors_id'] ?? $major['major_id'] ?? null;
                    if (!$code) {
                        continue;
                    }
                    
                    // 尝试多种可能的名称字段
                    $name = $major['major_name']
                        ?? $major['name']
                        ?? $major['title']
                        ?? $major['full_name']
                        ?? $major['major_full_name']
                        ?? $major['专业名称']
                        ?? $major['专业名称全称']
                        ?? '';
                    
                    // 尝试多种可能的类别字段
                    $category = $major['category_name']
                        ?? $major['category']
                        ?? $major['category_full']
                        ?? $major['major_category']
                        ?? $major['major_category_name']
                        ?? $major['专业类别']
                        ?? $major['学科类别']
                        ?? '';
                    
                    $majorCodeMap[$code] = [
                        'name' => $name,
                        'category' => $category,
                    ];
                }
                
            } catch (\Exception $e) {
                // 忽略错误
            }
        }

        // 构建简历数据结构
        $resume = [
            'user_id' => $userId,
            // 从用户表获取基本信息
            'birth_date' => $user['birth_date'] ?? $curriculumVitae['birth_date'] ?? '',
            'gender' => $user['gender'] ?? $curriculumVitae['gender'] ?? '',
            'ethnicity' => $user['ethnicity'] ?? $curriculumVitae['ethnicity'] ?? '',
            'political_status' => $user['political_status'] ?? $curriculumVitae['political_status'] ?? '',
            // 从简历表获取工作经历等信息
            'work_experience' => $curriculumVitae['work_experience'] ?? $user['work_experience'] ?? '',
            // 教育经历从t_user_education表获取
            'education' => []
        ];
        
        // 处理教育经历数据，确保字段名正确
        foreach ($educations as $education) {
            // 尝试多种可能的专业字段名
            $majorName = '';
            $possibleMajorFields = [
                'majors_name', 'major_name', 'major', 'major_field', 
                'specialty', 'profession', 'discipline', 'subject',
                '专业名称', '专业', '学科专业', '专业类别'
            ];
            foreach ($possibleMajorFields as $field) {
                if (!empty($education[$field])) {
                    $majorName = $education[$field];
                    break;
                }
            }

            // 如果有专业代码但没有名称，尝试从 da_majors 映射获取
            if (empty($majorName)) {
                $codeFields = ['major_code', 'majors_code', 'code', 'major_id', 'majors_id', 'major_no', 'id'];
                foreach ($codeFields as $field) {
                    if (!empty($education[$field])) {
                        $codeValue = $education[$field];
                        // 尝试直接匹配
                        if (isset($majorCodeMap[$codeValue])) {
                            $majorName = $majorCodeMap[$codeValue]['name'] ?? '';
                            $education['major_category'] = $majorCodeMap[$codeValue]['category'] ?? '';
                            if (!empty($majorName)) {
                                break;
                            }
                        }
                    }
                }
            }

            // 保存专业代码，便于后续调试
            $majorCode = '';
            foreach (['major_code', 'majors_code', 'code', 'major_id', 'majors_id', 'major_no'] as $field) {
                if (!empty($education[$field])) {
                    $majorCode = $education[$field];
                    break;
                }
            }
            
            $resume['education'][] = [
                'education_level' => $education['education_level'] ?? $education['education'] ?? $education['学历'] ?? '',
                'degree' => $education['degree'] ?? $education['学位'] ?? '',
                'majors_name' => $majorName,
                'majors_code' => $majorCode,
                'majors_category' => $education['major_category'] ?? $education['专业类别'] ?? '',
                'school_name' => $education['school_name'] ?? $education['school'] ?? $education['学校名称'] ?? '',
                'graduation_date' => $education['graduation_date'] ?? $education['毕业时间'] ?? '',
            ];
        }
        
        return $resume;
    }
    
    /**
     * 从数据库获取所有岗位（用于匹配）
     * @param array $resume 简历信息（用于可选的快速过滤）
     * @return array
     */
    private function filterPositionsFromDb(array $resume): array
    {
        // 获取所有未删除的岗位（no_notice_position表）
        // 注意：根据用户要求，需要匹配所有岗位，所以这里不做严格过滤
        // 只排除已删除的岗位，其他过滤在详细匹配时进行
        $query = Db::name('no_notice_position');
        
        // 排除已删除的岗位（如果表中有deleted_at字段）
        // 使用where条件，如果字段不存在，SQL会报错，但我们可以通过查询表结构来判断
        // 为了安全，先尝试查询，如果失败则查询所有记录
        try {
            // 尝试添加deleted_at条件
            $query->whereNull('deleted_at');
            $positions = $query->select()->toArray();
        } catch (\Exception $e) {
            // 如果字段不存在或其他错误，查询所有记录
            try {
                $query = Db::name('no_notice_position');
                $positions = $query->select()->toArray();
            } catch (\Exception $e2) {
                $positions = [];
            }
        }
        
        // 解析JSON字段，构建position_require结构
        foreach ($positions as &$position) {
            // 处理position_other_require字段（可能是JSON格式）
            $otherRequire = [];
            if (!empty($position['position_other_require'])) {
                if (is_string($position['position_other_require'])) {
                    $otherRequire = json_decode($position['position_other_require'], true) ?: [];
                } else {
                    $otherRequire = $position['position_other_require'];
                }
            }
            
            // 构建统一的position_require结构
            $position['position_require'] = [
                '学历要求' => $position['education_require'] ?? '',
                '学位要求' => $position['degree_require'] ?? '',
                '年龄要求' => $position['age_require'] ?? '',
                '性别要求' => $position['sex_require'] ?? '',
                '专业（学科）类别' => $otherRequire['专业（学科）类别'] ?? '',
                '专业-本科' => $otherRequire['专业-本科'] ?? '',
                '专业-硕士' => $otherRequire['专业-硕士'] ?? '',
                '其他资格条件' => $otherRequire['其他资格条件'] ?? '',
                '专业资格条件' => $otherRequire['专业资格条件'] ?? '',
            ];
        }
        
        return $positions;
    }
    
    /**
     * 检查硬性条件（一票否决机制）
     * @param array $position 岗位信息
     * @param array $resume 简历信息
     * @return array
     */
    private function checkHardRequirements(array $position, array $resume): array
    {
        $positionRequire = $position['position_require'] ?? [];
        $result = [
            'passed' => true,
            'rejection_reasons' => [],
            'details' => []
        ];
        
        // 1. 学历要求（硬性）
        if (!empty($positionRequire['学历要求'])) {
            $educationCheck = $this->checkEducation($positionRequire['学历要求'], $resume);
            $result['details']['学历要求'] = $educationCheck;
            if (!$educationCheck['passed']) {
                $result['passed'] = false;
                $result['rejection_reasons'][] = $educationCheck['reason'];
            }
        }
        
        // 2. 学位要求（硬性）
        if (!empty($positionRequire['学位要求'])) {
            $degreeCheck = $this->checkDegree($positionRequire['学位要求'], $resume);
            $result['details']['学位要求'] = $degreeCheck;
            if (!$degreeCheck['passed']) {
                $result['passed'] = false;
                $result['rejection_reasons'][] = $degreeCheck['reason'];
            }
        }
        
        // 3. 年龄要求（硬性）
        $ageRequire = $positionRequire['年龄要求'] ?? '';
        if (!empty($ageRequire) && trim($ageRequire) !== '' && trim($ageRequire) !== '无' && trim($ageRequire) !== '不限制') {
            $ageCheck = $this->checkAge($ageRequire, $resume);
            $result['details']['年龄要求'] = $ageCheck;
            if (!$ageCheck['passed']) {
                $result['passed'] = false;
                $result['rejection_reasons'][] = $ageCheck['reason'];
            }
        }
        
        // 4. 专业要求（硬性）
        // 支持多种专业字段格式：专业（学科）类别、专业-本科、专业-硕士
        $majorRequire = $this->getMajorRequirement($positionRequire, $resume);
        if (!empty($majorRequire)) {
            $majorCheck = $this->checkMajor($majorRequire, $resume);
            $result['details']['专业要求'] = $majorCheck;
            if (!$majorCheck['passed']) {
                $result['passed'] = false;
                $result['rejection_reasons'][] = $majorCheck['reason'];
            }
        }
        
        // 5. 性别要求（硬性，如果明确要求）
        // 优先检查 sex_require 字段
        $sexRequire = $positionRequire['性别要求'] ?? '';
        if (!empty($sexRequire) && $sexRequire !== '不限制' && $sexRequire !== '无') {
            $genderCheck = $this->checkGender($sexRequire, $resume);
            $result['details']['性别要求'] = $genderCheck;
            if (!$genderCheck['passed']) {
                $result['passed'] = false;
                $result['rejection_reasons'][] = $genderCheck['reason'];
            }
        }
        
        // 如果 sex_require 字段没有明确要求，再检查其他资格条件
        if (empty($sexRequire) || $sexRequire === '不限制' || $sexRequire === '无') {
            $otherConditions = $positionRequire['其他资格条件'] ?? '';
            if (preg_match('/适合(男|女)性/u', $otherConditions, $matches)) {
                $genderCheck = $this->checkGender($matches[1], $resume);
                $result['details']['性别要求'] = $genderCheck;
                if (!$genderCheck['passed']) {
                    $result['passed'] = false;
                    $result['rejection_reasons'][] = $genderCheck['reason'];
                }
            }
        }
        
        return $result;
    }
    
    /**
     * 计算软性条件匹配度（100分制）
     * @param array $position 岗位信息
     * @param array $resume 简历信息
     * @return array
     */
    private function calculateSoftRequirements(array $position, array $resume): array
    {
        $positionRequire = $position['position_require'] ?? [];
        $score = 0;
        $details = [];
        $maxScore = 100;
        
        // 1. 专业匹配度（40分）- 即使专业类别符合，也可以根据专业相关性打分
        $majorScore = $this->scoreMajorMatch($positionRequire['专业（学科）类别'] ?? '', $resume);
        $score += $majorScore['score'];
        $details['专业匹配度'] = $majorScore;
        
        // 2. 学历层次匹配度（20分）- 超过要求的学历可以加分
        $educationScore = $this->scoreEducationLevel($positionRequire['学历要求'] ?? '', $resume);
        $score += $educationScore['score'];
        $details['学历层次匹配度'] = $educationScore;
        
        // 3. 专业资格条件（20分）- 竞赛获奖等
        $qualificationScore = $this->scoreQualification($positionRequire['专业资格条件'] ?? '', $resume);
        $score += $qualificationScore['score'];
        $details['专业资格条件'] = $qualificationScore;
        
        // 4. 基层工作经历（10分）
        $workExpScore = $this->scoreWorkExperience($resume);
        $score += $workExpScore['score'];
        $details['基层工作经历'] = $workExpScore;
        
        // 5. 其他条件匹配（10分）- 如政治面貌、特殊身份等
        $otherScore = $this->scoreOtherConditions($positionRequire['其他资格条件'] ?? '', $resume);
        $score += $otherScore['score'];
        $details['其他条件'] = $otherScore;
        
        return [
            'score' => min(100, $score),
            'max_score' => $maxScore,
            'details' => $details
        ];
    }
    
    // ==================== 硬性条件检查方法 ====================
    
    /**
     * 检查学历要求（硬性）
     */
    private function checkEducation(string $requirement, array $resume): array
    {
        $educations = $resume['education'] ?? [];
        if (empty($educations)) {
            return [
                'passed' => false,
                'reason' => '未提供学历信息',
                'required' => $requirement,
                'actual' => null
            ];
        }
        
        $highestEducation = $this->getHighestEducation($educations);
        if (empty($highestEducation)) {
            return [
                'passed' => false,
                'reason' => '无法识别最高学历',
                'required' => $requirement,
                'actual' => null
            ];
        }
        
        $educationLevel = $highestEducation['education_level'] ?? '';
        $educationLevels = [
            '普通本科' => 3,
            '本科' => 3,
            '大学本科' => 3,
            '本科学历' => 3,
            '硕士研究生' => 4,
            '硕士' => 4,
            '研究生' => 4,
            '博士研究生' => 5,
            '博士' => 5,
        ];
        
        $requireLevel = $this->parseEducationRequire($requirement);
        $actualLevel = $educationLevels[$educationLevel] ?? 0;
        
        if ($actualLevel >= $requireLevel) {
            return [
                'passed' => true,
                'required' => $requirement,
                'actual' => $educationLevel
            ];
        }
        
        return [
            'passed' => false,
            'reason' => "学历不符合要求：需要{$requirement}，实际为{$educationLevel}",
            'required' => $requirement,
            'actual' => $educationLevel
        ];
    }
    
    /**
     * 检查学位要求（硬性）
     */
    private function checkDegree(string $requirement, array $resume): array
    {
        $educations = $resume['education'] ?? [];
        if (empty($educations)) {
            return [
                'passed' => false,
                'reason' => '未提供学位信息',
                'required' => $requirement,
                'actual' => null
            ];
        }
        
        $highestEducation = $this->getHighestEducation($educations);
        $degree = $highestEducation['degree'] ?? '';
        
        $degreeLevels = [
            '学士' => 1,
            '硕士' => 2,
            '博士' => 3,
        ];
        
        $requireLevel = $this->parseDegreeRequire($requirement);
        $actualLevel = $degreeLevels[$degree] ?? 0;
        
        if ($actualLevel >= $requireLevel) {
            return [
                'passed' => true,
                'required' => $requirement,
                'actual' => $degree
            ];
        }
        
        return [
            'passed' => false,
            'reason' => "学位不符合要求：需要{$requirement}，实际为{$degree}",
            'required' => $requirement,
            'actual' => $degree
        ];
    }
    
    /**
     * 检查年龄要求（硬性）
     */
    private function checkAge(string $requirement, array $resume): array
    {
        // 如果年龄要求为空或"无"，直接通过
        $requirement = trim($requirement);
        if (empty($requirement) || $requirement === '无' || $requirement === '不限制') {
            return [
                'passed' => true,
                'required' => $requirement ?: '无要求',
                'actual' => '无要求'
            ];
        }
        
        $birthDate = $resume['birth_date'] ?? '';
        if (empty($birthDate)) {
            return [
                'passed' => false,
                'reason' => '未提供出生日期',
                'required' => $requirement,
                'actual' => null
            ];
        }
        
        $age = $this->calculateAge($birthDate);
        
        if (preg_match('/(\d+)周岁以上.*?(\d+)周岁以下/u', $requirement, $matches)) {
            $minAge = (int)$matches[1];
            $maxAge = (int)$matches[2];
            
            if ($age >= $minAge && $age <= $maxAge) {
                return [
                    'passed' => true,
                    'required' => $requirement,
                    'actual' => "{$age}岁"
                ];
            }
            
            return [
                'passed' => false,
                'reason' => "年龄不符合要求：需要{$minAge}-{$maxAge}岁，实际为{$age}岁",
                'required' => $requirement,
                'actual' => "{$age}岁"
            ];
        }
        
        return [
            'passed' => false,
            'reason' => '无法解析年龄要求格式',
            'required' => $requirement,
            'actual' => "{$age}岁"
        ];
    }
    
    /**
     * 检查专业要求（硬性）
     */
    private function checkMajor(string $requirement, array $resume): array
    {
        $educations = $resume['education'] ?? [];
        if (empty($educations)) {
            return [
                'passed' => false,
                'reason' => '未提供专业信息',
                'required' => $requirement,
                'actual' => null
            ];
        }
        
        $matchedMajors = [];
        foreach ($educations as $education) {
            // 尝试多种可能的专业字段名
            $majorName = $education['majors_name'] ?? 
                        $education['major_name'] ?? 
                        $education['major'] ?? 
                        $education['major_field'] ?? 
                        $education['specialty'] ?? 
                        $education['profession'] ?? 
                        $education['majors_category'] ?? '';
            
            if (!empty($majorName) && $this->isMajorCategoryMatch($majorName, $requirement)) {
                $matchedMajors[] = $majorName;
            }
        }
        
        if (!empty($matchedMajors)) {
            return [
                'passed' => true,
                'required' => $requirement,
                'actual' => implode('、', $matchedMajors)
            ];
        }
        
        // 收集所有专业名称用于错误信息
        $actualMajors = [];
        foreach ($educations as $edu) {
            $majorName = $edu['majors_name'] ?? 
                        $edu['major_name'] ?? 
                        $edu['major'] ?? 
                        $edu['major_field'] ?? 
                        $edu['specialty'] ?? 
                        $edu['profession'] ?? 
                        $edu['majors_category'] ?? '';
            if (!empty($majorName)) {
                $actualMajors[] = $majorName;
            }
        }
        
        return [
            'passed' => false,
            'reason' => "专业不符合要求：需要{$requirement}，实际为" . implode('、', $actualMajors),
            'required' => $requirement,
            'actual' => implode('、', $actualMajors)
        ];
    }
    
    /**
     * 检查性别要求（硬性）
     */
    private function checkGender(string $requireGender, array $resume): array
    {
        $gender = $resume['gender'] ?? '';
        if ($gender === $requireGender) {
            return [
                'passed' => true,
                'required' => $requireGender,
                'actual' => $gender
            ];
        }
        
        return [
            'passed' => false,
            'reason' => "性别不符合要求：需要{$requireGender}，实际为{$gender}",
            'required' => $requireGender,
            'actual' => $gender
        ];
    }
    
    // ==================== 软性条件评分方法 ====================
    
    /**
     * 专业匹配度评分（40分）
     */
    private function scoreMajorMatch(string $requirement, array $resume): array
    {
        if (empty($requirement)) {
            return ['score' => 40, 'reason' => '无专业要求'];
        }
        
        $educations = $resume['education'] ?? [];
        if (empty($educations)) {
            return ['score' => 0, 'reason' => '无专业信息'];
        }
        
        $maxScore = 0;
        foreach ($educations as $education) {
            $majorName = $education['majors_name'] ?? '';
            $score = $this->calculateMajorRelevanceScore($majorName, $requirement);
            $maxScore = max($maxScore, $score);
        }
        
        return [
            'score' => min(40, $maxScore),
            'max_score' => 40,
            'reason' => $maxScore >= 40 ? '专业高度匹配' : '专业部分匹配'
        ];
    }
    
    /**
     * 学历层次匹配度评分（20分）
     */
    private function scoreEducationLevel(string $requirement, array $resume): array
    {
        $educations = $resume['education'] ?? [];
        if (empty($educations)) {
            return ['score' => 0, 'reason' => '无学历信息'];
        }
        
        $highestEducation = $this->getHighestEducation($educations);
        $educationLevel = $highestEducation['education_level'] ?? '';
        
        $educationLevels = [
            '普通本科' => 3,
            '本科' => 3,
            '大学本科' => 3,
            '本科学历' => 3,
            '硕士研究生' => 4,
            '硕士' => 4,
            '研究生' => 4,
            '博士研究生' => 5,
            '博士' => 5,
        ];
        
        $requireLevel = $this->parseEducationRequire($requirement);
        $actualLevel = $educationLevels[$educationLevel] ?? 0;
        
        // 刚好满足要求：15分，超过一级：20分，超过两级及以上：20分
        if ($actualLevel == $requireLevel) {
            return ['score' => 15, 'max_score' => 20, 'reason' => '刚好满足要求'];
        } elseif ($actualLevel > $requireLevel) {
            $exceed = $actualLevel - $requireLevel;
            return [
                'score' => 15 + min(5, $exceed * 5),
                'max_score' => 20,
                'reason' => "超过要求{$exceed}级"
            ];
        }
        
        return ['score' => 0, 'reason' => '未达到要求'];
    }
    
    /**
     * 专业资格条件评分（20分）
     */
    private function scoreQualification(string $requirement, array $resume): array
    {
        if (empty($requirement)) {
            return [
                'score' => 20,
                'max_score' => 20,
                'reason' => '无专业资格要求'
            ];
        }
        
        // 这里可以根据简历中的证书、获奖等信息来评分
        // 由于当前简历数据结构中没有这些字段，暂时返回基础分数
        // 实际应用中需要扩展简历数据结构
        
        return [
            'score' => 0,
            'max_score' => 20,
            'reason' => '未提供专业资格证明材料（需扩展简历数据结构）'
        ];
    }
    
    /**
     * 基层工作经历评分（10分）
     */
    private function scoreWorkExperience(array $resume): array
    {
        $workExperience = $resume['work_experience'] ?? '';
        
        if (empty($workExperience) || strpos($workExperience, '无') !== false) {
            return [
                'score' => 0,
                'max_score' => 10,
                'reason' => '无基层工作经历'
            ];
        }
        
        // 可以根据工作年限进一步细化评分
        return [
            'score' => 10,
            'max_score' => 10,
            'reason' => '有基层工作经历'
        ];
    }
    
    /**
     * 其他条件评分（10分）
     */
    private function scoreOtherConditions(string $requirement, array $resume): array
    {
        if (empty($requirement)) {
            return ['score' => 10, 'reason' => '无其他条件要求'];
        }
        
        $score = 0;
        $maxScore = 10;
        
        // 政治面貌等可以根据岗位要求评分
        // 当前暂不实现，返回基础分数
        
        return [
            'score' => 10,
            'max_score' => $maxScore,
            'reason' => '其他条件匹配（需根据具体岗位要求细化）'
        ];
    }
    
    // ==================== 辅助方法 ====================
    
    /**
     * 计算年龄
     */
    private function calculateAge(string $birthDate): int
    {
        $birthTimestamp = strtotime($birthDate);
        $currentTimestamp = time();
        $age = date('Y', $currentTimestamp) - date('Y', $birthTimestamp);
        if (date('md', $currentTimestamp) < date('md', $birthTimestamp)) {
            $age--;
        }
        return $age;
    }
    
    /**
     * 获取最高学历
     */
    private function getHighestEducation(array $educations): ?array
    {
        if (empty($educations)) {
            return null;
        }
        
        $educationLevels = [
            '普通本科' => 3,
            '本科' => 3,
            '大学本科' => 3,
            '本科学历' => 3,
            '硕士研究生' => 4,
            '硕士' => 4,
            '研究生' => 4,
            '博士研究生' => 5,
            '博士' => 5,
        ];
        
        $highest = null;
        $highestLevel = 0;
        
        foreach ($educations as $education) {
            $level = $educationLevels[$education['education_level'] ?? ''] ?? 0;
            if ($level > $highestLevel) {
                $highestLevel = $level;
                $highest = $education;
            }
        }
        
        return $highest;
    }
    
    /**
     * 解析学历要求
     */
    private function parseEducationRequire(string $require): int
    {
        if (strpos($require, '本科') !== false) {
            return 3;
        }
        if (strpos($require, '硕士') !== false) {
            return 4;
        }
        if (strpos($require, '博士') !== false) {
            return 5;
        }
        return 0;
    }
    
    /**
     * 解析学位要求
     */
    private function parseDegreeRequire(string $require): int
    {
        if (strpos($require, '学士') !== false) {
            return 1;
        }
        if (strpos($require, '硕士') !== false) {
            return 2;
        }
        if (strpos($require, '博士') !== false) {
            return 3;
        }
        return 0;
    }
    
    /**
     * 获取专业要求（支持多种格式）
     */
    private function getMajorRequirement(array $positionRequire, array $resume): string
    {
        // 优先使用 专业（学科）类别
        if (!empty($positionRequire['专业（学科）类别'])) {
            return $positionRequire['专业（学科）类别'];
        }
        
        // 根据最高学历选择对应的专业要求
        $educations = $resume['education'] ?? [];
        if (!empty($educations)) {
            $highestEducation = $this->getHighestEducation($educations);
            $educationLevel = $highestEducation['education_level'] ?? '';
            
            // 判断学历等级
            $isUndergraduate = in_array($educationLevel, ['普通本科', '本科', '大学本科', '本科学历']);
            $isGraduate = in_array($educationLevel, ['硕士研究生', '硕士', '研究生', '博士研究生', '博士']);
            
            if ($isUndergraduate && !empty($positionRequire['专业-本科'])) {
                return $positionRequire['专业-本科'];
            }
            if ($isGraduate && !empty($positionRequire['专业-硕士'])) {
                return $positionRequire['专业-硕士'];
            }
            // 如果没有对应学历的专业要求，尝试使用另一个
            if ($isGraduate && !empty($positionRequire['专业-本科'])) {
                return $positionRequire['专业-本科'];
            }
        }
        
        return '';
    }
    
    /**
     * 判断专业类别是否匹配（硬性检查）
     */
    private function isMajorCategoryMatch(string $majorName, string $majorRequire): bool
    {
        if (empty($majorName) || empty($majorRequire)) {
            return false;
        }
        
        // 支持多种分隔符：，、、
        $requireCategories = preg_split('/[，、,]/u', $majorRequire);
        
        foreach ($requireCategories as $category) {
            $category = trim($category);
            
            // 直接匹配专业名称
            if ($majorName === $category || strpos($majorName, $category) !== false || strpos($category, $majorName) !== false) {
                return true;
            }
            
            // 计算机科学与技术类
            if (strpos($category, '计算机') !== false) {
                $computerKeywords = ['计算机', '软件', '网络', '信息', '数据', '人工智能', '大数据', '网络安全', '信息安全'];
                foreach ($computerKeywords as $keyword) {
                    if (strpos($majorName, $keyword) !== false) {
                        return true;
                    }
                }
            }
            
            // 电气、电子及自动化类
            if (strpos($category, '电气') !== false || strpos($category, '电子') !== false || strpos($category, '自动化') !== false) {
                $electronicsKeywords = ['电气', '电子', '自动化', '通信', '电信', '电子信息'];
                foreach ($electronicsKeywords as $keyword) {
                    if (strpos($majorName, $keyword) !== false) {
                        return true;
                    }
                }
            }
            
            // 教育学类
            if (strpos($category, '教育') !== false) {
                if (strpos($majorName, '教育') !== false) {
                    return true;
                }
            }
            
            // 心理学类
            if (strpos($category, '心理') !== false) {
                if (strpos($majorName, '心理') !== false) {
                    return true;
                }
            }
        }
        
        return false;
    }
    
    /**
     * 计算专业相关性分数（软性评分）
     */
    private function calculateMajorRelevanceScore(string $majorName, string $majorRequire): int
    {
        if ($this->isMajorCategoryMatch($majorName, $majorRequire)) {
            return 40; // 完全匹配
        }
        
        // 可以根据专业相似度进一步细化评分
        // 这里简单返回0分
        return 0;
    }
}