<?php

namespace app\api\controller;

use app\common\controller\Api;
use app\common\service\ContentService;
use app\common\service\CycleService;

/**
 * 健康建议接口（M5）
 *
 * 内容 + 规则匹配：按当前周期阶段给出 饮食 / 运动 / 睡眠 / 痛经 四类建议。
 */
class Health extends Api
{
    protected $noNeedLogin = [];
    protected $noNeedRight = '*';

    /** 分类 → 建议类型 */
    protected $categoryMap = [
        'diet'   => 4,
        'sport'  => 5,
        'sleep'  => 6,
        'pain'   => 7,
    ];

    /**
     * 建议总览
     */
    public function index()
    {
        $userId = $this->auth->id;
        $cycle = CycleService::current($userId);
        $phase = $cycle['phase'] ?: 'all';

        $groups = [];
        foreach ($this->categoryMap as $key => $categoryId) {
            $data = ContentService::lists($userId, [
                'type'        => 'advice',
                'category_id' => $categoryId,
                'phase'       => $phase,
                'limit'       => 3,
            ]);
            $groups[] = [
                'key'    => $key,
                'title'  => $this->title($key),
                'icon'   => $this->icon($key),
                'list'   => $data['list'],
            ];
        }

        $this->success('', [
            'phase'      => $phase,
            'phase_text' => $cycle['phase_text'],
            'has_data'   => $cycle['has_data'],
            'day'        => $cycle['day'],
            'groups'     => $groups,
            'tips'       => $this->phaseTips($phase),
            'disclaimer' => '以上内容仅供参考，不能替代医疗诊断。',
        ]);
    }

    /**
     * 某一类的全部建议
     * GET type=diet|sport|sleep|pain
     */
    public function detail()
    {
        $type = $this->request->param('type', 'diet');
        if (!isset($this->categoryMap[$type])) {
            $this->error('类型不存在');
        }
        $cycle = CycleService::current($this->auth->id);
        $data = ContentService::lists($this->auth->id, [
            'type'        => 'advice',
            'category_id' => $this->categoryMap[$type],
            'phase'       => $cycle['phase'] ?: 'all',
            'limit'       => 20,
        ]);
        $data['title'] = $this->title($type);
        $data['disclaimer'] = '以上内容仅供参考，不能替代医疗诊断。';
        $this->success('', $data);
    }

    protected function title($key)
    {
        $map = ['diet' => '饮食建议', 'sport' => '运动建议', 'sleep' => '睡眠建议', 'pain' => '痛经缓解'];
        return isset($map[$key]) ? $map[$key] : $key;
    }

    protected function icon($key)
    {
        $map = ['diet' => '🍲', 'sport' => '🧘', 'sleep' => '🌙', 'pain' => '🌡'];
        return isset($map[$key]) ? $map[$key] : '🌸';
    }

    protected function phaseTips($phase)
    {
        $map = [
            'menstrual'  => ['保暖优先', '补铁 + 温热饮食', '避免高强度运动'],
            'follicular' => ['精力回升', '适合加量训练', '多吃优质蛋白'],
            'ovulation'  => ['易孕期', '注意私处清洁', '保持规律作息'],
            'luteal'     => ['情绪易波动', '少糖多纤维', '优先保证睡眠'],
        ];
        return isset($map[$phase]) ? $map[$phase] : ['记录后获得个性化建议'];
    }
}