<?php

namespace app\common\model;

use think\Model;
use traits\model\SoftDelete;

/**
 * 身体档案模型
 */
class BodyProfile extends Model
{
    use SoftDelete;

    // 表名
    protected $table = 'fa_body_profile';
    
    // 开启自动写入时间戳字段
    protected $autoWriteTimestamp = 'int';
    // 定义时间戳字段名
    protected $createTime = 'createtime';
    protected $updateTime = 'updatetime';
    protected $deleteTime = 'deletetime';

    // 追加属性
    protected $append = [
        'gender_text',
        'body_photos_text',
        'is_own_text'
    ];

    /**
     * 关联用户
     */
    public function user()
    {
        return $this->belongsTo('User', 'user_id', 'id', [], 'LEFT')->setEagerlyType(0);
    }

    /**
     * 关联身体测量数据
     */
    public function measurements()
    {
        return $this->hasMany('BodyMeasurements', 'profile_id', 'id');
    }

    /**
     * 关联最新的身体测量数据
     */
    public function latestMeasurement()
    {
        return $this->hasOne('BodyMeasurements', 'profile_id', 'id')->order('measurement_date DESC');
    }

    /**
     * 关联身体类型选择
     */
    public function bodyTypeSelections()
    {
        return $this->hasMany('BodyTypeSelection', 'profile_id', 'id');
    }

    /**
     * 关联AI报告
     */
    public function aiReports()
    {
        return $this->hasMany('BodyAiReport', 'profile_id', 'id');
    }

    /**
     * 关联最新AI报告
     */
    public function latestAiReport()
    {
        return $this->hasOne('BodyAiReport', 'profile_id', 'id')->order('generated_time DESC');
    }

    /**
     * 获取性别文本
     */
    public function getGenderTextAttr($value, $data)
    {
        $genderMap = [
            1 => '男',
            2 => '女'
        ];
        return isset($genderMap[$data['gender']]) ? $genderMap[$data['gender']] : '未知';
    }

    /**
     * 获取是否本人档案文本
     */
    public function getIsOwnTextAttr($value, $data)
    {
        return $data['is_own'] ? '本人档案' : '他人档案';
    }

    /**
     * 获取身体照片数组
     */
    public function getBodyPhotosTextAttr($value, $data)
    {
        if (empty($data['body_photos'])) {
            return [
                'front' => '',
                'side' => '',
                'back' => ''
            ];
        }
        return json_decode($data['body_photos'], true);
    }

    /**
     * 设置身体照片
     */
    public function setBodyPhotosAttr($value)
    {
        return is_array($value) ? json_encode($value) : $value;
    }

    /**
     * 获取完整的档案信息(包含测量数据和体型选择)
     */
    public function getFullProfileData()
    {
        $profile = $this->toArray();
        
        // 获取最新测量数据
        $latestMeasurement = $this->latestMeasurement;
        $profile['measurements'] = $latestMeasurement ? $latestMeasurement->toArray() : null;
        
        // 获取体型选择
        $bodyTypes = $this->bodyTypeSelections()->with('typeConfig')->select();
        $profile['body_types'] = [];
        foreach ($bodyTypes as $selection) {
            $profile['body_types'][$selection['type_category']] = [
                'type_id' => $selection['selected_type_id'],
                'type_name' => $selection->typeConfig ? $selection->typeConfig['type_name'] : '',
                'type_image' => $selection->typeConfig ? cdnurl($selection->typeConfig['type_image'], true) : ''
            ];
        }
        
        // 获取最新AI报告
        $latestReport = $this->latestAiReport;
        $profile['ai_report'] = $latestReport ? $latestReport->toArray() : null;
        
        return $profile;
    }

    /**
     * 计算BMI指数
     */
    public function calculateBMI()
    {
        if ($this->height <= 0 || $this->weight <= 0) {
            return 0;
        }
        
        $heightInMeters = $this->height / 100;
        return round($this->weight / ($heightInMeters * $heightInMeters), 2);
    }

    /**
     * 获取BMI等级
     */
    public function getBMILevel()
    {
        $bmi = $this->calculateBMI();
        
        if ($bmi < 18.5) {
            return '偏瘦';
        } elseif ($bmi < 24) {
            return '正常';
        } elseif ($bmi < 28) {
            return '超重';
        } else {
            return '肥胖';
        }
    }
}